Merge fd67acbc7f into 85c0d2d3ee

Bumps [github.com/stretchr/testify](https://github.com/stretchr/testify)
from 1.9.0 to 1.10.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/stretchr/testify/releases">github.com/stretchr/testify's
releases</a>.</em></p>
<blockquote>
<h2>v1.10.0</h2>
<h2>What's Changed</h2>
<h3>Functional Changes</h3>
<ul>
<li>Add PanicAssertionFunc by <a
href="https://github.com/fahimbagar"><code>@​fahimbagar</code></a> in <a
href="https://redirect.github.com/stretchr/testify/pull/1337">stretchr/testify#1337</a></li>
<li>assert: deprecate CompareType by <a
href="https://github.com/dolmen"><code>@​dolmen</code></a> in <a
href="https://redirect.github.com/stretchr/testify/pull/1566">stretchr/testify#1566</a></li>
<li>assert: make YAML dependency pluggable via build tags by <a
href="https://github.com/dolmen"><code>@​dolmen</code></a> in <a
href="https://redirect.github.com/stretchr/testify/pull/1579">stretchr/testify#1579</a></li>
<li>assert: new assertion NotElementsMatch by <a
href="https://github.com/hendrywiranto"><code>@​hendrywiranto</code></a>
in <a
href="https://redirect.github.com/stretchr/testify/pull/1600">stretchr/testify#1600</a></li>
<li>mock: in order mock calls by <a
href="https://github.com/ReyOrtiz"><code>@​ReyOrtiz</code></a> in <a
href="https://redirect.github.com/stretchr/testify/pull/1637">stretchr/testify#1637</a></li>
<li>Add assertion for NotErrorAs by <a
href="https://github.com/palsivertsen"><code>@​palsivertsen</code></a>
in <a
href="https://redirect.github.com/stretchr/testify/pull/1129">stretchr/testify#1129</a></li>
<li>Record Return Arguments of a Call by <a
href="https://github.com/jayd3e"><code>@​jayd3e</code></a> in <a
href="https://redirect.github.com/stretchr/testify/pull/1636">stretchr/testify#1636</a></li>
<li>assert.EqualExportedValues: accepts everything by <a
href="https://github.com/redachl"><code>@​redachl</code></a> in <a
href="https://redirect.github.com/stretchr/testify/pull/1586">stretchr/testify#1586</a></li>
</ul>
<h3>Fixes</h3>
<ul>
<li>assert: make tHelper a type alias by <a
href="https://github.com/dolmen"><code>@​dolmen</code></a> in <a
href="https://redirect.github.com/stretchr/testify/pull/1562">stretchr/testify#1562</a></li>
<li>Do not get argument again unnecessarily in Arguments.Error() by <a
href="https://github.com/TomWright"><code>@​TomWright</code></a> in <a
href="https://redirect.github.com/stretchr/testify/pull/820">stretchr/testify#820</a></li>
<li>Fix time.Time compare by <a
href="https://github.com/myxo"><code>@​myxo</code></a> in <a
href="https://redirect.github.com/stretchr/testify/pull/1582">stretchr/testify#1582</a></li>
<li>assert.Regexp: handle []byte array properly by <a
href="https://github.com/kevinburkesegment"><code>@​kevinburkesegment</code></a>
in <a
href="https://redirect.github.com/stretchr/testify/pull/1587">stretchr/testify#1587</a></li>
<li>assert: collect.FailNow() should not panic by <a
href="https://github.com/marshall-lee"><code>@​marshall-lee</code></a>
in <a
href="https://redirect.github.com/stretchr/testify/pull/1481">stretchr/testify#1481</a></li>
<li>mock: simplify implementation of FunctionalOptions by <a
href="https://github.com/dolmen"><code>@​dolmen</code></a> in <a
href="https://redirect.github.com/stretchr/testify/pull/1571">stretchr/testify#1571</a></li>
<li>mock: caller information for unexpected method call by <a
href="https://github.com/spirin"><code>@​spirin</code></a> in <a
href="https://redirect.github.com/stretchr/testify/pull/1644">stretchr/testify#1644</a></li>
<li>suite: fix test failures by <a
href="https://github.com/stevenh"><code>@​stevenh</code></a> in <a
href="https://redirect.github.com/stretchr/testify/pull/1421">stretchr/testify#1421</a></li>
<li>Fix issue <a
href="https://redirect.github.com/stretchr/testify/issues/1662">#1662</a>
(comparing infs should fail) by <a
href="https://github.com/ybrustin"><code>@​ybrustin</code></a> in <a
href="https://redirect.github.com/stretchr/testify/pull/1663">stretchr/testify#1663</a></li>
<li>NotSame should fail if args are not pointers <a
href="https://redirect.github.com/stretchr/testify/issues/1661">#1661</a>
by <a href="https://github.com/sikehish"><code>@​sikehish</code></a> in
<a
href="https://redirect.github.com/stretchr/testify/pull/1664">stretchr/testify#1664</a></li>
<li>Increase timeouts in Test_Mock_Called_blocks to reduce flakiness in
CI by <a href="https://github.com/sikehish"><code>@​sikehish</code></a>
in <a
href="https://redirect.github.com/stretchr/testify/pull/1667">stretchr/testify#1667</a></li>
<li>fix: compare functional option names for indirect calls by <a
href="https://github.com/arjun-1"><code>@​arjun-1</code></a> in <a
href="https://redirect.github.com/stretchr/testify/pull/1626">stretchr/testify#1626</a></li>
</ul>
<h3>Documantation, Build &amp; CI</h3>
<ul>
<li>.gitignore: ignore &quot;go test -c&quot; binaries by <a
href="https://github.com/dolmen"><code>@​dolmen</code></a> in <a
href="https://redirect.github.com/stretchr/testify/pull/1565">stretchr/testify#1565</a></li>
<li>mock: improve doc by <a
href="https://github.com/dolmen"><code>@​dolmen</code></a> in <a
href="https://redirect.github.com/stretchr/testify/pull/1570">stretchr/testify#1570</a></li>
<li>mock: fix FunctionalOptions docs by <a
href="https://github.com/snirye"><code>@​snirye</code></a> in <a
href="https://redirect.github.com/stretchr/testify/pull/1433">stretchr/testify#1433</a></li>
<li>README: link out to the excellent testifylint by <a
href="https://github.com/brackendawson"><code>@​brackendawson</code></a>
in <a
href="https://redirect.github.com/stretchr/testify/pull/1568">stretchr/testify#1568</a></li>
<li>assert: fix typo in comment by <a
href="https://github.com/JohnEndson"><code>@​JohnEndson</code></a> in <a
href="https://redirect.github.com/stretchr/testify/pull/1580">stretchr/testify#1580</a></li>
<li>Correct the EventuallyWithT and EventuallyWithTf example by <a
href="https://github.com/JonCrowther"><code>@​JonCrowther</code></a> in
<a
href="https://redirect.github.com/stretchr/testify/pull/1588">stretchr/testify#1588</a></li>
<li>CI: bump softprops/action-gh-release from 1 to 2 by <a
href="https://github.com/dependabot"><code>@​dependabot</code></a> in <a
href="https://redirect.github.com/stretchr/testify/pull/1575">stretchr/testify#1575</a></li>
<li>mock: document more alternatives to deprecated
AnythingOfTypeArgument by <a
href="https://github.com/dolmen"><code>@​dolmen</code></a> in <a
href="https://redirect.github.com/stretchr/testify/pull/1569">stretchr/testify#1569</a></li>
<li>assert: Correctly document EqualValues behavior by <a
href="https://github.com/brackendawson"><code>@​brackendawson</code></a>
in <a
href="https://redirect.github.com/stretchr/testify/pull/1593">stretchr/testify#1593</a></li>
<li>fix: grammar in godoc by <a
href="https://github.com/miparnisari"><code>@​miparnisari</code></a> in
<a
href="https://redirect.github.com/stretchr/testify/pull/1607">stretchr/testify#1607</a></li>
<li>.github/workflows: Run tests for Go 1.22 by <a
href="https://github.com/HaraldNordgren"><code>@​HaraldNordgren</code></a>
in <a
href="https://redirect.github.com/stretchr/testify/pull/1629">stretchr/testify#1629</a></li>
<li>Document suite's lack of support for t.Parallel by <a
href="https://github.com/brackendawson"><code>@​brackendawson</code></a>
in <a
href="https://redirect.github.com/stretchr/testify/pull/1645">stretchr/testify#1645</a></li>
<li>assert: fix typos in comments by <a
href="https://github.com/alexandear"><code>@​alexandear</code></a> in <a
href="https://redirect.github.com/stretchr/testify/pull/1650">stretchr/testify#1650</a></li>
<li>mock: fix doc comment for NotBefore by <a
href="https://github.com/alexandear"><code>@​alexandear</code></a> in <a
href="https://redirect.github.com/stretchr/testify/pull/1651">stretchr/testify#1651</a></li>
<li>Generate better comments for require package by <a
href="https://github.com/Neokil"><code>@​Neokil</code></a> in <a
href="https://redirect.github.com/stretchr/testify/pull/1610">stretchr/testify#1610</a></li>
<li>README: replace Testify V2 notice with <a
href="https://github.com/dolmen"><code>@​dolmen</code></a>'s V2
manifesto by <a
href="https://github.com/hendrywiranto"><code>@​hendrywiranto</code></a>
in <a
href="https://redirect.github.com/stretchr/testify/pull/1518">stretchr/testify#1518</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a
href="https://github.com/fahimbagar"><code>@​fahimbagar</code></a> made
their first contribution in <a
href="https://redirect.github.com/stretchr/testify/pull/1337">stretchr/testify#1337</a></li>
<li><a href="https://github.com/TomWright"><code>@​TomWright</code></a>
made their first contribution in <a
href="https://redirect.github.com/stretchr/testify/pull/820">stretchr/testify#820</a></li>
<li><a href="https://github.com/snirye"><code>@​snirye</code></a> made
their first contribution in <a
href="https://redirect.github.com/stretchr/testify/pull/1433">stretchr/testify#1433</a></li>
<li><a href="https://github.com/myxo"><code>@​myxo</code></a> made their
first contribution in <a
href="https://redirect.github.com/stretchr/testify/pull/1582">stretchr/testify#1582</a></li>
<li><a
href="https://github.com/JohnEndson"><code>@​JohnEndson</code></a> made
their first contribution in <a
href="https://redirect.github.com/stretchr/testify/pull/1580">stretchr/testify#1580</a></li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="89cbdd9e7b"><code>89cbdd9</code></a>
Merge pull request <a
href="https://redirect.github.com/stretchr/testify/issues/1626">#1626</a>
from arjun-1/fix-functional-options-diff-indirect-calls</li>
<li><a
href="07bac606be"><code>07bac60</code></a>
Merge pull request <a
href="https://redirect.github.com/stretchr/testify/issues/1667">#1667</a>
from sikehish/flaky</li>
<li><a
href="716de8dff4"><code>716de8d</code></a>
Increase timeouts in Test_Mock_Called_blocks to reduce flakiness in
CI</li>
<li><a
href="118fb83466"><code>118fb83</code></a>
NotSame should fail if args are not pointers <a
href="https://redirect.github.com/stretchr/testify/issues/1661">#1661</a>
(<a
href="https://redirect.github.com/stretchr/testify/issues/1664">#1664</a>)</li>
<li><a
href="7d99b2b43d"><code>7d99b2b</code></a>
attempt 2</li>
<li><a
href="05f87c0160"><code>05f87c0</code></a>
more similar</li>
<li><a
href="ea7129e006"><code>ea7129e</code></a>
better fmt</li>
<li><a
href="a1b9c9efe3"><code>a1b9c9e</code></a>
Merge pull request <a
href="https://redirect.github.com/stretchr/testify/issues/1663">#1663</a>
from ybrustin/master</li>
<li><a
href="8302de98b1"><code>8302de9</code></a>
Merge branch 'master' into master</li>
<li><a
href="89352f7958"><code>89352f7</code></a>
Merge pull request <a
href="https://redirect.github.com/stretchr/testify/issues/1518">#1518</a>
from hendrywiranto/adjust-readme-remove-v2</li>
<li>Additional commits viewable in <a
href="https://github.com/stretchr/testify/compare/v1.9.0...v1.10.0">compare
view</a></li>
</ul>
</details>
<br />


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.codegen.json

@@ -5,8 +5,7 @@
     },
     "batch": {
         ".codegen/cmds-workspace.go.tmpl": "cmd/workspace/cmd.go",
-        ".codegen/cmds-account.go.tmpl": "cmd/account/cmd.go",
+        ".codegen/cmds-account.go.tmpl": "cmd/account/cmd.go"
-        ".codegen/lookup.go.tmpl": "bundle/config/variable/lookup.go"
     },
     "toolchain": {
         "required": ["go"],

.codegen/lookup.go.tmpl

@@ -1,134 +0,0 @@
-// Code generated from OpenAPI specs by Databricks SDK Generator. DO NOT EDIT.
-
-package variable
-
-{{ $allowlist :=
-	list
-		"alerts"
-		"clusters"
-		"cluster-policies"
-		"clusters"
-		"dashboards"
-		"instance-pools"
-		"jobs"
-		"metastores"
-		"pipelines"
-		"service-principals"
-		"queries"
-		"warehouses"
-}}
-
-{{	$customField :=
-		dict
-			"service-principals" "ApplicationId"
-}}
-
-import (
-	"context"
-	"fmt"
-
-	"github.com/databricks/databricks-sdk-go"
-)
-
-type Lookup struct {
-	{{range .Services -}}
-	{{- if in $allowlist .KebabName -}}
-	{{.Singular.PascalName}} string `json:"{{.Singular.SnakeName}},omitempty"`
-
-	{{end}}
-	{{- end}}
-}
-
-func LookupFromMap(m map[string]any) *Lookup {
-	l := &Lookup{}
-	{{range .Services -}}
-	{{- if in $allowlist .KebabName -}}
-	if v, ok := m["{{.Singular.SnakeName}}"]; ok {
-		l.{{.Singular.PascalName}} = v.(string)
-	}
-	{{end -}}
-	{{- end}}
-	return l
-}
-
-func (l *Lookup) Resolve(ctx context.Context, w *databricks.WorkspaceClient) (string, error) {
-	if err := l.validate(); err != nil {
-		return "", err
-	}
-
-	r := allResolvers()
-	{{range .Services -}}
-	{{- if in $allowlist .KebabName -}}
-	if l.{{.Singular.PascalName}} != "" {
-		return r.{{.Singular.PascalName}}(ctx, w, l.{{.Singular.PascalName}})
-	}
-	{{end -}}
-	{{- end}}
-
-	return "", fmt.Errorf("no valid lookup fields provided")
-}
-
-func (l *Lookup) String() string {
-	{{range .Services -}}
-	{{- if in $allowlist .KebabName -}}
-	if l.{{.Singular.PascalName}} != "" {
-		return fmt.Sprintf("{{.Singular.KebabName}}: %s", l.{{.Singular.PascalName}})
-	}
-	{{end -}}
-	{{- end}}
-	return ""
-}
-
-func (l *Lookup) validate() error {
-	// Validate that only one field is set
-	count := 0
-	{{range .Services -}}
-	{{- if in $allowlist .KebabName -}}
-	if l.{{.Singular.PascalName}} != "" {
-		count++
-	}
-	{{end -}}
-	{{- end}}
-
-	if count != 1 {
-		return fmt.Errorf("exactly one lookup field must be provided")
-	}
-
-	if strings.Contains(l.String(), "${var") {
-		return fmt.Errorf("lookup fields cannot contain variable references")
-	}
-
-	return nil
-}
-
-
-type resolverFunc func(ctx context.Context, w *databricks.WorkspaceClient, name string) (string, error)
-type resolvers struct {
-	{{range .Services -}}
-	{{- if in $allowlist .KebabName -}}
-	{{.Singular.PascalName}} resolverFunc
-	{{end -}}
-	{{- end}}
-}
-
-func allResolvers() *resolvers {
-	r := &resolvers{}
-	{{range .Services -}}
-	{{- if in $allowlist .KebabName -}}
-	r.{{.Singular.PascalName}} = func(ctx context.Context, w *databricks.WorkspaceClient, name string) (string, error) {
-		fn, ok := lookupOverrides["{{.Singular.PascalName}}"]
-		if ok {
-			return fn(ctx, w, name)
-		}
-		entity, err := w.{{.PascalName}}.GetBy{{range .NamedIdMap.NamePath}}{{.PascalName}}{{end}}(ctx, name)
-		if err != nil {
-			return "", err
-		}
-
-		return fmt.Sprint(entity.{{ getOrDefault $customField .KebabName ((index .NamedIdMap.IdPath 0).PascalName) }}), nil
-	}
-	{{end -}}
-	{{- end}}
-
-	return r
-}

.gitattributes

@@ -1,4 +1,3 @@
-bundle/config/variable/lookup.go linguist-generated=true
 cmd/account/access-control/access-control.go linguist-generated=true
 cmd/account/billable-usage/billable-usage.go linguist-generated=true
 cmd/account/budgets/budgets.go linguist-generated=true

CHANGELOG.md

@@ -1,5 +1,28 @@
 # Version changelog
 
+## [Release] Release v0.235.0
+
+**Note:** the `bundle generate` command now uses the `.<resource-type>.yml`
+sub-extension for the configuration files it writes. Existing configuration
+files that do not use this sub-extension are renamed to include it.
+
+Bundles:
+ * Make `TableName` field part of quality monitor schema ([#1903](https://github.com/databricks/cli/pull/1903)).
+ * Do not prepend paths starting with ~ or variable reference ([#1905](https://github.com/databricks/cli/pull/1905)).
+ * Fix workspace extensions filer accidentally reading notebooks ([#1891](https://github.com/databricks/cli/pull/1891)).
+ * Fix template initialization when running on Databricks ([#1912](https://github.com/databricks/cli/pull/1912)).
+ * Source-linked deployments for bundles in the workspace ([#1884](https://github.com/databricks/cli/pull/1884)).
+ * Added integration test to deploy bundle to /Shared root path ([#1914](https://github.com/databricks/cli/pull/1914)).
+ * Update filenames used by bundle generate to use `.<resource-type>.yml` ([#1901](https://github.com/databricks/cli/pull/1901)).
+
+Internal:
+ * Extract functionality to detect if the CLI is running on DBR ([#1889](https://github.com/databricks/cli/pull/1889)).
+ * Consolidate test helpers for `io/fs` ([#1906](https://github.com/databricks/cli/pull/1906)).
+ * Use `fs.FS` interface to read template ([#1910](https://github.com/databricks/cli/pull/1910)).
+ * Use `filer.Filer` to write template instantiation ([#1911](https://github.com/databricks/cli/pull/1911)).
+
+
+
 ## [Release] Release v0.234.0
 
 Bundles:

bundle/bundle.go

@@ -81,6 +81,9 @@ type Bundle struct {
 	// files
 	AutoApprove bool
 
+	// if true, the deploy changes are presented, but not applied
+	DryRun bool
+
 	// Tagging is used to normalize tag keys and values.
 	// The implementation depends on the cloud being targeted.
 	Tagging tags.Cloud

bundle/config/mutator/apply_presets.go

@@ -9,6 +9,7 @@ import (
 
 	"github.com/databricks/cli/bundle"
 	"github.com/databricks/cli/bundle/config"
+	"github.com/databricks/cli/libs/dbr"
 	"github.com/databricks/cli/libs/diag"
 	"github.com/databricks/cli/libs/dyn"
 	"github.com/databricks/cli/libs/textutil"
@@ -221,6 +222,27 @@ func (m *applyPresets) Apply(ctx context.Context, b *bundle.Bundle) diag.Diagnos
 		dashboard.DisplayName = prefix + dashboard.DisplayName
 	}
 
+	if config.IsExplicitlyEnabled((b.Config.Presets.SourceLinkedDeployment)) {
+		isDatabricksWorkspace := dbr.RunsOnRuntime(ctx) && strings.HasPrefix(b.SyncRootPath, "/Workspace/")
+		if !isDatabricksWorkspace {
+			target := b.Config.Bundle.Target
+			path := dyn.NewPath(dyn.Key("targets"), dyn.Key(target), dyn.Key("presets"), dyn.Key("source_linked_deployment"))
+			diags = diags.Append(
+				diag.Diagnostic{
+					Severity: diag.Warning,
+					Summary:  "source-linked deployment is available only in the Databricks Workspace",
+					Paths: []dyn.Path{
+						path,
+					},
+					Locations: b.Config.GetLocations(path[2:].String()),
+				},
+			)
+
+			disabled := false
+			b.Config.Presets.SourceLinkedDeployment = &disabled
+		}
+	}
+
 	return diags
 }
 

bundle/config/mutator/apply_presets_test.go

@@ -2,12 +2,16 @@ package mutator_test
 
 import (
 	"context"
+	"runtime"
 	"testing"
 
 	"github.com/databricks/cli/bundle"
 	"github.com/databricks/cli/bundle/config"
 	"github.com/databricks/cli/bundle/config/mutator"
 	"github.com/databricks/cli/bundle/config/resources"
+	"github.com/databricks/cli/bundle/internal/bundletest"
+	"github.com/databricks/cli/libs/dbr"
+	"github.com/databricks/cli/libs/dyn"
 	"github.com/databricks/databricks-sdk-go/service/catalog"
 	"github.com/databricks/databricks-sdk-go/service/jobs"
 	"github.com/stretchr/testify/require"
@@ -364,3 +368,88 @@ func TestApplyPresetsResourceNotDefined(t *testing.T) {
 		})
 	}
 }
+
+func TestApplyPresetsSourceLinkedDeployment(t *testing.T) {
+	if runtime.GOOS == "windows" {
+		t.Skip("this test is not applicable on Windows because source-linked mode works only in the Databricks Workspace")
+	}
+
+	testContext := context.Background()
+	enabled := true
+	disabled := false
+	workspacePath := "/Workspace/user.name@company.com"
+
+	tests := []struct {
+		bundlePath      string
+		ctx             context.Context
+		name            string
+		initialValue    *bool
+		expectedValue   *bool
+		expectedWarning string
+	}{
+		{
+			name:          "preset enabled, bundle in Workspace, databricks runtime",
+			bundlePath:    workspacePath,
+			ctx:           dbr.MockRuntime(testContext, true),
+			initialValue:  &enabled,
+			expectedValue: &enabled,
+		},
+		{
+			name:            "preset enabled, bundle not in Workspace, databricks runtime",
+			bundlePath:      "/Users/user.name@company.com",
+			ctx:             dbr.MockRuntime(testContext, true),
+			initialValue:    &enabled,
+			expectedValue:   &disabled,
+			expectedWarning: "source-linked deployment is available only in the Databricks Workspace",
+		},
+		{
+			name:            "preset enabled, bundle in Workspace, not databricks runtime",
+			bundlePath:      workspacePath,
+			ctx:             dbr.MockRuntime(testContext, false),
+			initialValue:    &enabled,
+			expectedValue:   &disabled,
+			expectedWarning: "source-linked deployment is available only in the Databricks Workspace",
+		},
+		{
+			name:          "preset disabled, bundle in Workspace, databricks runtime",
+			bundlePath:    workspacePath,
+			ctx:           dbr.MockRuntime(testContext, true),
+			initialValue:  &disabled,
+			expectedValue: &disabled,
+		},
+		{
+			name:          "preset nil, bundle in Workspace, databricks runtime",
+			bundlePath:    workspacePath,
+			ctx:           dbr.MockRuntime(testContext, true),
+			initialValue:  nil,
+			expectedValue: nil,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			b := &bundle.Bundle{
+				SyncRootPath: tt.bundlePath,
+				Config: config.Root{
+					Presets: config.Presets{
+						SourceLinkedDeployment: tt.initialValue,
+					},
+				},
+			}
+
+			bundletest.SetLocation(b, "presets.source_linked_deployment", []dyn.Location{{File: "databricks.yml"}})
+			diags := bundle.Apply(tt.ctx, b, mutator.ApplyPresets())
+			if diags.HasError() {
+				t.Fatalf("unexpected error: %v", diags)
+			}
+
+			if tt.expectedWarning != "" {
+				require.Equal(t, tt.expectedWarning, diags[0].Summary)
+				require.NotEmpty(t, diags[0].Locations)
+			}
+
+			require.Equal(t, tt.expectedValue, b.Config.Presets.SourceLinkedDeployment)
+		})
+	}
+
+}

bundle/config/mutator/process_target_mode.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/databricks/cli/bundle"
 	"github.com/databricks/cli/bundle/config"
+	"github.com/databricks/cli/libs/dbr"
 	"github.com/databricks/cli/libs/diag"
 	"github.com/databricks/cli/libs/dyn"
 	"github.com/databricks/cli/libs/iamutil"
@@ -57,6 +58,14 @@ func transformDevelopmentMode(ctx context.Context, b *bundle.Bundle) {
 		t.TriggerPauseStatus = config.Paused
 	}
 
+	if !config.IsExplicitlyDisabled(t.SourceLinkedDeployment) {
+		isInWorkspace := strings.HasPrefix(b.SyncRootPath, "/Workspace/")
+		if isInWorkspace && dbr.RunsOnRuntime(ctx) {
+			enabled := true
+			t.SourceLinkedDeployment = &enabled
+		}
+	}
+
 	if !config.IsExplicitlyDisabled(t.PipelinesDevelopment) {
 		enabled := true
 		t.PipelinesDevelopment = &enabled

bundle/config/mutator/process_target_mode_test.go

@@ -3,14 +3,17 @@ package mutator
 import (
 	"context"
 	"reflect"
+	"runtime"
 	"strings"
 	"testing"
 
 	"github.com/databricks/cli/bundle"
 	"github.com/databricks/cli/bundle/config"
 	"github.com/databricks/cli/bundle/config/resources"
+	"github.com/databricks/cli/libs/dbr"
 	"github.com/databricks/cli/libs/diag"
 	"github.com/databricks/cli/libs/tags"
+	"github.com/databricks/cli/libs/vfs"
 	sdkconfig "github.com/databricks/databricks-sdk-go/config"
 	"github.com/databricks/databricks-sdk-go/service/catalog"
 	"github.com/databricks/databricks-sdk-go/service/compute"
@@ -140,6 +143,7 @@ func mockBundle(mode config.Mode) *bundle.Bundle {
 				},
 			},
 		},
+		SyncRoot: vfs.MustNew("/Users/lennart.kats@databricks.com"),
 		// Use AWS implementation for testing.
 		Tagging: tags.ForCloud(&sdkconfig.Config{
 			Host: "https://company.cloud.databricks.com",
@@ -522,3 +526,32 @@ func TestPipelinesDevelopmentDisabled(t *testing.T) {
 
 	assert.False(t, b.Config.Resources.Pipelines["pipeline1"].PipelineSpec.Development)
 }
+
+func TestSourceLinkedDeploymentEnabled(t *testing.T) {
+	b, diags := processSourceLinkedBundle(t, true)
+	require.NoError(t, diags.Error())
+	assert.True(t, *b.Config.Presets.SourceLinkedDeployment)
+}
+
+func TestSourceLinkedDeploymentDisabled(t *testing.T) {
+	b, diags := processSourceLinkedBundle(t, false)
+	require.NoError(t, diags.Error())
+	assert.False(t, *b.Config.Presets.SourceLinkedDeployment)
+}
+
+func processSourceLinkedBundle(t *testing.T, presetEnabled bool) (*bundle.Bundle, diag.Diagnostics) {
+	if runtime.GOOS == "windows" {
+		t.Skip("this test is not applicable on Windows because source-linked mode works only in the Databricks Workspace")
+	}
+
+	b := mockBundle(config.Development)
+
+	workspacePath := "/Workspace/lennart@company.com/"
+	b.SyncRootPath = workspacePath
+	b.Config.Presets.SourceLinkedDeployment = &presetEnabled
+
+	ctx := dbr.MockRuntime(context.Background(), true)
+	m := bundle.Seq(ProcessTargetMode(), ApplyPresets())
+	diags := bundle.Apply(ctx, b, m)
+	return b, diags
+}

bundle/config/mutator/translate_paths.go

@@ -11,6 +11,7 @@ import (
 	"strings"
 
 	"github.com/databricks/cli/bundle"
+	"github.com/databricks/cli/bundle/config"
 	"github.com/databricks/cli/libs/diag"
 	"github.com/databricks/cli/libs/dyn"
 	"github.com/databricks/cli/libs/notebook"
@@ -103,8 +104,13 @@ func (t *translateContext) rewritePath(
 		return fmt.Errorf("path %s is not contained in sync root path", localPath)
 	}
 
-	// Prefix remote path with its remote root path.
+	var workspacePath string
-	remotePath := path.Join(t.b.Config.Workspace.FilePath, filepath.ToSlash(localRelPath))
+	if config.IsExplicitlyEnabled(t.b.Config.Presets.SourceLinkedDeployment) {
+		workspacePath = t.b.SyncRootPath
+	} else {
+		workspacePath = t.b.Config.Workspace.FilePath
+	}
+	remotePath := path.Join(workspacePath, filepath.ToSlash(localRelPath))
 
 	// Convert local path into workspace path via specified function.
 	interp, err := fn(*p, localPath, localRelPath, remotePath)
@@ -120,7 +126,33 @@ func (t *translateContext) rewritePath(
 func (t *translateContext) translateNotebookPath(literal, localFullPath, localRelPath, remotePath string) (string, error) {
 	nb, _, err := notebook.DetectWithFS(t.b.SyncRoot, filepath.ToSlash(localRelPath))
 	if errors.Is(err, fs.ErrNotExist) {
-		return "", fmt.Errorf("notebook %s not found", literal)
+		if filepath.Ext(localFullPath) != notebook.ExtensionNone {
+			return "", fmt.Errorf("notebook %s not found", literal)
+		}
+
+		extensions := []string{
+			notebook.ExtensionPython,
+			notebook.ExtensionR,
+			notebook.ExtensionScala,
+			notebook.ExtensionSql,
+			notebook.ExtensionJupyter,
+		}
+
+		// Check whether a file with a notebook extension already exists. This
+		// way we can provide a more targeted error message.
+		for _, ext := range extensions {
+			literalWithExt := literal + ext
+			localRelPathWithExt := filepath.ToSlash(localRelPath + ext)
+			if _, err := fs.Stat(t.b.SyncRoot, localRelPathWithExt); err == nil {
+				return "", fmt.Errorf(`notebook %s not found. Did you mean %s?
+Local notebook references are expected to contain one of the following
+file extensions: [%s]`, literal, literalWithExt, strings.Join(extensions, ", "))
+			}
+		}
+
+		// Return a generic error message if no matching possible file is found.
+		return "", fmt.Errorf(`notebook %s not found. Local notebook references are expected
+to contain one of the following file extensions: [%s]`, literal, strings.Join(extensions, ", "))
 	}
 	if err != nil {
 		return "", fmt.Errorf("unable to determine if %s is a notebook: %w", localFullPath, err)

bundle/config/mutator/translate_paths_test.go

@@ -2,8 +2,10 @@ package mutator_test
 
 import (
 	"context"
+	"fmt"
 	"os"
 	"path/filepath"
+	"runtime"
 	"strings"
 	"testing"
 
@@ -507,6 +509,59 @@ func TestPipelineNotebookDoesNotExistError(t *testing.T) {
 	assert.EqualError(t, diags.Error(), "notebook ./doesnt_exist.py not found")
 }
 
+func TestPipelineNotebookDoesNotExistErrorWithoutExtension(t *testing.T) {
+	for _, ext := range []string{
+		".py",
+		".r",
+		".scala",
+		".sql",
+		".ipynb",
+		"",
+	} {
+		t.Run("case_"+ext, func(t *testing.T) {
+			dir := t.TempDir()
+
+			if ext != "" {
+				touchEmptyFile(t, filepath.Join(dir, "foo"+ext))
+			}
+
+			b := &bundle.Bundle{
+				SyncRootPath: dir,
+				SyncRoot:     vfs.MustNew(dir),
+				Config: config.Root{
+					Resources: config.Resources{
+						Pipelines: map[string]*resources.Pipeline{
+							"pipeline": {
+								PipelineSpec: &pipelines.PipelineSpec{
+									Libraries: []pipelines.PipelineLibrary{
+										{
+											Notebook: &pipelines.NotebookLibrary{
+												Path: "./foo",
+											},
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			}
+
+			bundletest.SetLocation(b, ".", []dyn.Location{{File: filepath.Join(dir, "fake.yml")}})
+			diags := bundle.Apply(context.Background(), b, mutator.TranslatePaths())
+
+			if ext == "" {
+				assert.EqualError(t, diags.Error(), `notebook ./foo not found. Local notebook references are expected
+to contain one of the following file extensions: [.py, .r, .scala, .sql, .ipynb]`)
+			} else {
+				assert.EqualError(t, diags.Error(), fmt.Sprintf(`notebook ./foo not found. Did you mean ./foo%s?
+Local notebook references are expected to contain one of the following
+file extensions: [.py, .r, .scala, .sql, .ipynb]`, ext))
+			}
+		})
+	}
+}
+
 func TestPipelineFileDoesNotExistError(t *testing.T) {
 	dir := t.TempDir()
 
@@ -787,3 +842,163 @@ func TestTranslatePathWithComplexVariables(t *testing.T) {
 		b.Config.Resources.Jobs["job"].Tasks[0].Libraries[0].Whl,
 	)
 }
+
+func TestTranslatePathsWithSourceLinkedDeployment(t *testing.T) {
+	if runtime.GOOS == "windows" {
+		t.Skip("this test is not applicable on Windows because source-linked mode works only in the Databricks Workspace")
+	}
+
+	dir := t.TempDir()
+	touchNotebookFile(t, filepath.Join(dir, "my_job_notebook.py"))
+	touchNotebookFile(t, filepath.Join(dir, "my_pipeline_notebook.py"))
+	touchEmptyFile(t, filepath.Join(dir, "my_python_file.py"))
+	touchEmptyFile(t, filepath.Join(dir, "dist", "task.jar"))
+	touchEmptyFile(t, filepath.Join(dir, "requirements.txt"))
+
+	enabled := true
+	b := &bundle.Bundle{
+		SyncRootPath: dir,
+		SyncRoot:     vfs.MustNew(dir),
+		Config: config.Root{
+			Workspace: config.Workspace{
+				FilePath: "/bundle",
+			},
+			Resources: config.Resources{
+				Jobs: map[string]*resources.Job{
+					"job": {
+						JobSettings: &jobs.JobSettings{
+							Tasks: []jobs.Task{
+								{
+									NotebookTask: &jobs.NotebookTask{
+										NotebookPath: "my_job_notebook.py",
+									},
+									Libraries: []compute.Library{
+										{Whl: "./dist/task.whl"},
+									},
+								},
+								{
+									NotebookTask: &jobs.NotebookTask{
+										NotebookPath: "/Users/jane.doe@databricks.com/absolute_remote.py",
+									},
+								},
+								{
+									NotebookTask: &jobs.NotebookTask{
+										NotebookPath: "my_job_notebook.py",
+									},
+									Libraries: []compute.Library{
+										{Requirements: "requirements.txt"},
+									},
+								},
+								{
+									SparkPythonTask: &jobs.SparkPythonTask{
+										PythonFile: "my_python_file.py",
+									},
+								},
+								{
+									SparkJarTask: &jobs.SparkJarTask{
+										MainClassName: "HelloWorld",
+									},
+									Libraries: []compute.Library{
+										{Jar: "./dist/task.jar"},
+									},
+								},
+								{
+									SparkJarTask: &jobs.SparkJarTask{
+										MainClassName: "HelloWorldRemote",
+									},
+									Libraries: []compute.Library{
+										{Jar: "dbfs:/bundle/dist/task_remote.jar"},
+									},
+								},
+							},
+						},
+					},
+				},
+				Pipelines: map[string]*resources.Pipeline{
+					"pipeline": {
+						PipelineSpec: &pipelines.PipelineSpec{
+							Libraries: []pipelines.PipelineLibrary{
+								{
+									Notebook: &pipelines.NotebookLibrary{
+										Path: "my_pipeline_notebook.py",
+									},
+								},
+								{
+									Notebook: &pipelines.NotebookLibrary{
+										Path: "/Users/jane.doe@databricks.com/absolute_remote.py",
+									},
+								},
+								{
+									File: &pipelines.FileLibrary{
+										Path: "my_python_file.py",
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+			Presets: config.Presets{
+				SourceLinkedDeployment: &enabled,
+			},
+		},
+	}
+
+	bundletest.SetLocation(b, ".", []dyn.Location{{File: filepath.Join(dir, "resource.yml")}})
+	diags := bundle.Apply(context.Background(), b, mutator.TranslatePaths())
+	require.NoError(t, diags.Error())
+
+	// updated to source path
+	assert.Equal(
+		t,
+		filepath.Join(dir, "my_job_notebook"),
+		b.Config.Resources.Jobs["job"].Tasks[0].NotebookTask.NotebookPath,
+	)
+	assert.Equal(
+		t,
+		filepath.Join(dir, "requirements.txt"),
+		b.Config.Resources.Jobs["job"].Tasks[2].Libraries[0].Requirements,
+	)
+	assert.Equal(
+		t,
+		filepath.Join(dir, "my_python_file.py"),
+		b.Config.Resources.Jobs["job"].Tasks[3].SparkPythonTask.PythonFile,
+	)
+	assert.Equal(
+		t,
+		filepath.Join(dir, "my_pipeline_notebook"),
+		b.Config.Resources.Pipelines["pipeline"].Libraries[0].Notebook.Path,
+	)
+	assert.Equal(
+		t,
+		filepath.Join(dir, "my_python_file.py"),
+		b.Config.Resources.Pipelines["pipeline"].Libraries[2].File.Path,
+	)
+
+	// left as is
+	assert.Equal(
+		t,
+		filepath.Join("dist", "task.whl"),
+		b.Config.Resources.Jobs["job"].Tasks[0].Libraries[0].Whl,
+	)
+	assert.Equal(
+		t,
+		"/Users/jane.doe@databricks.com/absolute_remote.py",
+		b.Config.Resources.Jobs["job"].Tasks[1].NotebookTask.NotebookPath,
+	)
+	assert.Equal(
+		t,
+		filepath.Join("dist", "task.jar"),
+		b.Config.Resources.Jobs["job"].Tasks[4].Libraries[0].Jar,
+	)
+	assert.Equal(
+		t,
+		"dbfs:/bundle/dist/task_remote.jar",
+		b.Config.Resources.Jobs["job"].Tasks[5].Libraries[0].Jar,
+	)
+	assert.Equal(
+		t,
+		"/Users/jane.doe@databricks.com/absolute_remote.py",
+		b.Config.Resources.Pipelines["pipeline"].Libraries[1].Notebook.Path,
+	)
+}

bundle/config/presets.go

@@ -17,6 +17,11 @@ type Presets struct {
 	// JobsMaxConcurrentRuns is the default value for the max concurrent runs of jobs.
 	JobsMaxConcurrentRuns int `json:"jobs_max_concurrent_runs,omitempty"`
 
+	// SourceLinkedDeployment indicates whether source-linked deployment is enabled. Works only in Databricks Workspace
+	// When set to true, resources created during deployment will point to source files in the workspace instead of their workspace copies.
+	// File synchronization to ${workspace.file_path} is skipped.
+	SourceLinkedDeployment *bool `json:"source_linked_deployment,omitempty"`
+
 	// Tags to add to all resources.
 	Tags map[string]string `json:"tags,omitempty"`
 }

bundle/config/validate/files_to_sync.go

@@ -21,6 +21,12 @@ func (v *filesToSync) Name() string {
 }
 
 func (v *filesToSync) Apply(ctx context.Context, rb bundle.ReadOnlyBundle) diag.Diagnostics {
+	// The user may be intentional about not synchronizing any files.
+	// In this case, we should not show any warnings.
+	if len(rb.Config().Sync.Paths) == 0 {
+		return nil
+	}
+
 	sync, err := files.GetSync(ctx, rb)
 	if err != nil {
 		return diag.FromErr(err)
@@ -31,6 +37,7 @@ func (v *filesToSync) Apply(ctx context.Context, rb bundle.ReadOnlyBundle) diag.
 		return diag.FromErr(err)
 	}
 
+	// If there are files to sync, we don't need to show any warnings.
 	if len(fl) != 0 {
 		return nil
 	}

bundle/config/validate/files_to_sync_test.go

@@ -0,0 +1,105 @@
+package validate
+
+import (
+	"context"
+	"testing"
+
+	"github.com/databricks/cli/bundle"
+	"github.com/databricks/cli/bundle/config"
+	"github.com/databricks/cli/internal/testutil"
+	"github.com/databricks/cli/libs/diag"
+	"github.com/databricks/cli/libs/vfs"
+	sdkconfig "github.com/databricks/databricks-sdk-go/config"
+	"github.com/databricks/databricks-sdk-go/experimental/mocks"
+	"github.com/databricks/databricks-sdk-go/service/iam"
+	"github.com/databricks/databricks-sdk-go/service/workspace"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/stretchr/testify/require"
+)
+
+func TestFilesToSync_NoPaths(t *testing.T) {
+	b := &bundle.Bundle{
+		Config: config.Root{
+			Sync: config.Sync{
+				Paths: []string{},
+			},
+		},
+	}
+
+	ctx := context.Background()
+	rb := bundle.ReadOnly(b)
+	diags := bundle.ApplyReadOnly(ctx, rb, FilesToSync())
+	assert.Empty(t, diags)
+}
+
+func setupBundleForFilesToSyncTest(t *testing.T) *bundle.Bundle {
+	dir := t.TempDir()
+
+	testutil.Touch(t, dir, "file1")
+	testutil.Touch(t, dir, "file2")
+
+	b := &bundle.Bundle{
+		BundleRootPath: dir,
+		BundleRoot:     vfs.MustNew(dir),
+		SyncRootPath:   dir,
+		SyncRoot:       vfs.MustNew(dir),
+		Config: config.Root{
+			Bundle: config.Bundle{
+				Target: "default",
+			},
+			Workspace: config.Workspace{
+				FilePath: "/this/doesnt/matter",
+				CurrentUser: &config.User{
+					User: &iam.User{},
+				},
+			},
+			Sync: config.Sync{
+				// Paths are relative to [SyncRootPath].
+				Paths: []string{"."},
+			},
+		},
+	}
+
+	m := mocks.NewMockWorkspaceClient(t)
+	m.WorkspaceClient.Config = &sdkconfig.Config{
+		Host: "https://foo.com",
+	}
+
+	// The initialization logic in [sync.New] performs a check on the destination path.
+	// Removing this check at initialization time is tbd...
+	m.GetMockWorkspaceAPI().EXPECT().GetStatusByPath(mock.Anything, "/this/doesnt/matter").Return(&workspace.ObjectInfo{
+		ObjectType: workspace.ObjectTypeDirectory,
+	}, nil)
+
+	b.SetWorkpaceClient(m.WorkspaceClient)
+	return b
+}
+
+func TestFilesToSync_EverythingIgnored(t *testing.T) {
+	b := setupBundleForFilesToSyncTest(t)
+
+	// Ignore all files.
+	testutil.WriteFile(t, "*\n.*\n", b.BundleRootPath, ".gitignore")
+
+	ctx := context.Background()
+	rb := bundle.ReadOnly(b)
+	diags := bundle.ApplyReadOnly(ctx, rb, FilesToSync())
+	require.Equal(t, 1, len(diags))
+	assert.Equal(t, diag.Warning, diags[0].Severity)
+	assert.Equal(t, "There are no files to sync, please check your .gitignore", diags[0].Summary)
+}
+
+func TestFilesToSync_EverythingExcluded(t *testing.T) {
+	b := setupBundleForFilesToSyncTest(t)
+
+	// Exclude all files.
+	b.Config.Sync.Exclude = []string{"*"}
+
+	ctx := context.Background()
+	rb := bundle.ReadOnly(b)
+	diags := bundle.ApplyReadOnly(ctx, rb, FilesToSync())
+	require.Equal(t, 1, len(diags))
+	assert.Equal(t, diag.Warning, diags[0].Severity)
+	assert.Equal(t, "There are no files to sync, please check your .gitignore and sync.exclude configuration", diags[0].Summary)
+}

bundle/config/validate/single_node_cluster.go

@@ -0,0 +1,137 @@
+package validate
+
+import (
+	"context"
+	"strings"
+
+	"github.com/databricks/cli/bundle"
+	"github.com/databricks/cli/libs/diag"
+	"github.com/databricks/cli/libs/dyn"
+	"github.com/databricks/cli/libs/dyn/convert"
+	"github.com/databricks/cli/libs/log"
+)
+
+// Validates that any single node clusters defined in the bundle are correctly configured.
+func SingleNodeCluster() bundle.ReadOnlyMutator {
+	return &singleNodeCluster{}
+}
+
+type singleNodeCluster struct{}
+
+func (m *singleNodeCluster) Name() string {
+	return "validate:SingleNodeCluster"
+}
+
+const singleNodeWarningDetail = `num_workers should be 0 only for single-node clusters. To create a
+valid single node cluster please ensure that the following properties
+are correctly set in the cluster specification:
+
+  spark_conf:
+    spark.databricks.cluster.profile: singleNode
+    spark.master: local[*]
+
+  custom_tags:
+    ResourceClass: SingleNode
+  `
+
+const singleNodeWarningSummary = `Single node cluster is not correctly configured`
+
+func showSingleNodeClusterWarning(ctx context.Context, v dyn.Value) bool {
+	// Check if the user has explicitly set the num_workers to 0. Skip the warning
+	// if that's not the case.
+	numWorkers, ok := v.Get("num_workers").AsInt()
+	if !ok || numWorkers > 0 {
+		return false
+	}
+
+	// Convenient type that contains the common fields from compute.ClusterSpec and
+	// pipelines.PipelineCluster that we are interested in.
+	type ClusterConf struct {
+		SparkConf  map[string]string `json:"spark_conf"`
+		CustomTags map[string]string `json:"custom_tags"`
+		PolicyId   string            `json:"policy_id"`
+	}
+
+	conf := &ClusterConf{}
+	err := convert.ToTyped(conf, v)
+	if err != nil {
+		return false
+	}
+
+	// If the policy id is set, we don't want to show the warning. This is because
+	// the user might have configured `spark_conf` and `custom_tags` correctly
+	// in their cluster policy.
+	if conf.PolicyId != "" {
+		return false
+	}
+
+	profile, ok := conf.SparkConf["spark.databricks.cluster.profile"]
+	if !ok {
+		log.Debugf(ctx, "spark_conf spark.databricks.cluster.profile not found in single-node cluster spec")
+		return true
+	}
+	if profile != "singleNode" {
+		log.Debugf(ctx, "spark_conf spark.databricks.cluster.profile is not singleNode in single-node cluster spec: %s", profile)
+		return true
+	}
+
+	master, ok := conf.SparkConf["spark.master"]
+	if !ok {
+		log.Debugf(ctx, "spark_conf spark.master not found in single-node cluster spec")
+		return true
+	}
+	if !strings.HasPrefix(master, "local") {
+		log.Debugf(ctx, "spark_conf spark.master does not start with local in single-node cluster spec: %s", master)
+		return true
+	}
+
+	resourceClass, ok := conf.CustomTags["ResourceClass"]
+	if !ok {
+		log.Debugf(ctx, "custom_tag ResourceClass not found in single-node cluster spec")
+		return true
+	}
+	if resourceClass != "SingleNode" {
+		log.Debugf(ctx, "custom_tag ResourceClass is not SingleNode in single-node cluster spec: %s", resourceClass)
+		return true
+	}
+
+	return false
+}
+
+func (m *singleNodeCluster) Apply(ctx context.Context, rb bundle.ReadOnlyBundle) diag.Diagnostics {
+	diags := diag.Diagnostics{}
+
+	patterns := []dyn.Pattern{
+		// Interactive clusters
+		dyn.NewPattern(dyn.Key("resources"), dyn.Key("clusters"), dyn.AnyKey()),
+		// Job clusters
+		dyn.NewPattern(dyn.Key("resources"), dyn.Key("jobs"), dyn.AnyKey(), dyn.Key("job_clusters"), dyn.AnyIndex(), dyn.Key("new_cluster")),
+		// Job task clusters
+		dyn.NewPattern(dyn.Key("resources"), dyn.Key("jobs"), dyn.AnyKey(), dyn.Key("tasks"), dyn.AnyIndex(), dyn.Key("new_cluster")),
+		// Job for each task clusters
+		dyn.NewPattern(dyn.Key("resources"), dyn.Key("jobs"), dyn.AnyKey(), dyn.Key("tasks"), dyn.AnyIndex(), dyn.Key("for_each_task"), dyn.Key("task"), dyn.Key("new_cluster")),
+		// Pipeline clusters
+		dyn.NewPattern(dyn.Key("resources"), dyn.Key("pipelines"), dyn.AnyKey(), dyn.Key("clusters"), dyn.AnyIndex()),
+	}
+
+	for _, p := range patterns {
+		_, err := dyn.MapByPattern(rb.Config().Value(), p, func(p dyn.Path, v dyn.Value) (dyn.Value, error) {
+			warning := diag.Diagnostic{
+				Severity:  diag.Warning,
+				Summary:   singleNodeWarningSummary,
+				Detail:    singleNodeWarningDetail,
+				Locations: v.Locations(),
+				Paths:     []dyn.Path{p},
+			}
+
+			if showSingleNodeClusterWarning(ctx, v) {
+				diags = append(diags, warning)
+			}
+			return v, nil
+		})
+		if err != nil {
+			log.Debugf(ctx, "Error while applying single node cluster validation: %s", err)
+		}
+	}
+	return diags
+}

bundle/config/validate/single_node_cluster_test.go

@@ -0,0 +1,566 @@
+package validate
+
+import (
+	"context"
+	"testing"
+
+	"github.com/databricks/cli/bundle"
+	"github.com/databricks/cli/bundle/config"
+	"github.com/databricks/cli/bundle/config/resources"
+	"github.com/databricks/cli/bundle/internal/bundletest"
+	"github.com/databricks/cli/libs/diag"
+	"github.com/databricks/cli/libs/dyn"
+	"github.com/databricks/databricks-sdk-go/service/compute"
+	"github.com/databricks/databricks-sdk-go/service/jobs"
+	"github.com/databricks/databricks-sdk-go/service/pipelines"
+	"github.com/stretchr/testify/assert"
+)
+
+func failCases() []struct {
+	name       string
+	sparkConf  map[string]string
+	customTags map[string]string
+} {
+	return []struct {
+		name       string
+		sparkConf  map[string]string
+		customTags map[string]string
+	}{
+		{
+			name: "no tags or conf",
+		},
+		{
+			name: "no tags",
+			sparkConf: map[string]string{
+				"spark.databricks.cluster.profile": "singleNode",
+				"spark.master":                     "local[*]",
+			},
+		},
+		{
+			name:       "no conf",
+			customTags: map[string]string{"ResourceClass": "SingleNode"},
+		},
+		{
+			name: "invalid spark cluster profile",
+			sparkConf: map[string]string{
+				"spark.databricks.cluster.profile": "invalid",
+				"spark.master":                     "local[*]",
+			},
+			customTags: map[string]string{"ResourceClass": "SingleNode"},
+		},
+		{
+			name: "invalid spark.master",
+			sparkConf: map[string]string{
+				"spark.databricks.cluster.profile": "singleNode",
+				"spark.master":                     "invalid",
+			},
+			customTags: map[string]string{"ResourceClass": "SingleNode"},
+		},
+		{
+			name: "invalid tags",
+			sparkConf: map[string]string{
+				"spark.databricks.cluster.profile": "singleNode",
+				"spark.master":                     "local[*]",
+			},
+			customTags: map[string]string{"ResourceClass": "invalid"},
+		},
+		{
+			name: "missing ResourceClass tag",
+			sparkConf: map[string]string{
+				"spark.databricks.cluster.profile": "singleNode",
+				"spark.master":                     "local[*]",
+			},
+			customTags: map[string]string{"what": "ever"},
+		},
+		{
+			name: "missing spark.master",
+			sparkConf: map[string]string{
+				"spark.databricks.cluster.profile": "singleNode",
+			},
+			customTags: map[string]string{"ResourceClass": "SingleNode"},
+		},
+		{
+			name: "missing spark.databricks.cluster.profile",
+			sparkConf: map[string]string{
+				"spark.master": "local[*]",
+			},
+			customTags: map[string]string{"ResourceClass": "SingleNode"},
+		},
+	}
+}
+
+func TestValidateSingleNodeClusterFailForInteractiveClusters(t *testing.T) {
+	ctx := context.Background()
+
+	for _, tc := range failCases() {
+		t.Run(tc.name, func(t *testing.T) {
+			b := &bundle.Bundle{
+				Config: config.Root{
+					Resources: config.Resources{
+						Clusters: map[string]*resources.Cluster{
+							"foo": {
+								ClusterSpec: &compute.ClusterSpec{
+									SparkConf:  tc.sparkConf,
+									CustomTags: tc.customTags,
+								},
+							},
+						},
+					},
+				},
+			}
+
+			bundletest.SetLocation(b, "resources.clusters.foo", []dyn.Location{{File: "a.yml", Line: 1, Column: 1}})
+
+			// We can't set num_workers to 0 explicitly in the typed configuration.
+			// Do it on the dyn.Value directly.
+			bundletest.Mutate(t, b, func(v dyn.Value) (dyn.Value, error) {
+				return dyn.Set(v, "resources.clusters.foo.num_workers", dyn.V(0))
+			})
+			diags := bundle.ApplyReadOnly(ctx, bundle.ReadOnly(b), SingleNodeCluster())
+			assert.Equal(t, diag.Diagnostics{
+				{
+					Severity:  diag.Warning,
+					Summary:   singleNodeWarningSummary,
+					Detail:    singleNodeWarningDetail,
+					Locations: []dyn.Location{{File: "a.yml", Line: 1, Column: 1}},
+					Paths:     []dyn.Path{dyn.NewPath(dyn.Key("resources"), dyn.Key("clusters"), dyn.Key("foo"))},
+				},
+			}, diags)
+		})
+	}
+}
+
+func TestValidateSingleNodeClusterFailForJobClusters(t *testing.T) {
+	ctx := context.Background()
+
+	for _, tc := range failCases() {
+		t.Run(tc.name, func(t *testing.T) {
+			b := &bundle.Bundle{
+				Config: config.Root{
+					Resources: config.Resources{
+						Jobs: map[string]*resources.Job{
+							"foo": {
+								JobSettings: &jobs.JobSettings{
+									JobClusters: []jobs.JobCluster{
+										{
+											NewCluster: compute.ClusterSpec{
+												ClusterName: "my_cluster",
+												SparkConf:   tc.sparkConf,
+												CustomTags:  tc.customTags,
+											},
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			}
+
+			bundletest.SetLocation(b, "resources.jobs.foo.job_clusters[0].new_cluster", []dyn.Location{{File: "b.yml", Line: 1, Column: 1}})
+
+			// We can't set num_workers to 0 explicitly in the typed configuration.
+			// Do it on the dyn.Value directly.
+			bundletest.Mutate(t, b, func(v dyn.Value) (dyn.Value, error) {
+				return dyn.Set(v, "resources.jobs.foo.job_clusters[0].new_cluster.num_workers", dyn.V(0))
+			})
+
+			diags := bundle.ApplyReadOnly(ctx, bundle.ReadOnly(b), SingleNodeCluster())
+			assert.Equal(t, diag.Diagnostics{
+				{
+					Severity:  diag.Warning,
+					Summary:   singleNodeWarningSummary,
+					Detail:    singleNodeWarningDetail,
+					Locations: []dyn.Location{{File: "b.yml", Line: 1, Column: 1}},
+					Paths:     []dyn.Path{dyn.MustPathFromString("resources.jobs.foo.job_clusters[0].new_cluster")},
+				},
+			}, diags)
+
+		})
+	}
+}
+
+func TestValidateSingleNodeClusterFailForJobTaskClusters(t *testing.T) {
+	ctx := context.Background()
+
+	for _, tc := range failCases() {
+		t.Run(tc.name, func(t *testing.T) {
+			b := &bundle.Bundle{
+				Config: config.Root{
+					Resources: config.Resources{
+						Jobs: map[string]*resources.Job{
+							"foo": {
+								JobSettings: &jobs.JobSettings{
+									Tasks: []jobs.Task{
+										{
+											NewCluster: &compute.ClusterSpec{
+												ClusterName: "my_cluster",
+												SparkConf:   tc.sparkConf,
+												CustomTags:  tc.customTags,
+											},
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			}
+
+			bundletest.SetLocation(b, "resources.jobs.foo.tasks[0].new_cluster", []dyn.Location{{File: "c.yml", Line: 1, Column: 1}})
+
+			// We can't set num_workers to 0 explicitly in the typed configuration.
+			// Do it on the dyn.Value directly.
+			bundletest.Mutate(t, b, func(v dyn.Value) (dyn.Value, error) {
+				return dyn.Set(v, "resources.jobs.foo.tasks[0].new_cluster.num_workers", dyn.V(0))
+			})
+
+			diags := bundle.ApplyReadOnly(ctx, bundle.ReadOnly(b), SingleNodeCluster())
+			assert.Equal(t, diag.Diagnostics{
+				{
+					Severity:  diag.Warning,
+					Summary:   singleNodeWarningSummary,
+					Detail:    singleNodeWarningDetail,
+					Locations: []dyn.Location{{File: "c.yml", Line: 1, Column: 1}},
+					Paths:     []dyn.Path{dyn.MustPathFromString("resources.jobs.foo.tasks[0].new_cluster")},
+				},
+			}, diags)
+		})
+	}
+}
+
+func TestValidateSingleNodeClusterFailForPipelineClusters(t *testing.T) {
+	ctx := context.Background()
+
+	for _, tc := range failCases() {
+		t.Run(tc.name, func(t *testing.T) {
+			b := &bundle.Bundle{
+				Config: config.Root{
+					Resources: config.Resources{
+						Pipelines: map[string]*resources.Pipeline{
+							"foo": {
+								PipelineSpec: &pipelines.PipelineSpec{
+									Clusters: []pipelines.PipelineCluster{
+										{
+											SparkConf:  tc.sparkConf,
+											CustomTags: tc.customTags,
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			}
+
+			bundletest.SetLocation(b, "resources.pipelines.foo.clusters[0]", []dyn.Location{{File: "d.yml", Line: 1, Column: 1}})
+
+			// We can't set num_workers to 0 explicitly in the typed configuration.
+			// Do it on the dyn.Value directly.
+			bundletest.Mutate(t, b, func(v dyn.Value) (dyn.Value, error) {
+				return dyn.Set(v, "resources.pipelines.foo.clusters[0].num_workers", dyn.V(0))
+			})
+
+			diags := bundle.ApplyReadOnly(ctx, bundle.ReadOnly(b), SingleNodeCluster())
+			assert.Equal(t, diag.Diagnostics{
+				{
+					Severity:  diag.Warning,
+					Summary:   singleNodeWarningSummary,
+					Detail:    singleNodeWarningDetail,
+					Locations: []dyn.Location{{File: "d.yml", Line: 1, Column: 1}},
+					Paths:     []dyn.Path{dyn.MustPathFromString("resources.pipelines.foo.clusters[0]")},
+				},
+			}, diags)
+		})
+	}
+}
+
+func TestValidateSingleNodeClusterFailForJobForEachTaskCluster(t *testing.T) {
+	ctx := context.Background()
+
+	for _, tc := range failCases() {
+		t.Run(tc.name, func(t *testing.T) {
+			b := &bundle.Bundle{
+				Config: config.Root{
+					Resources: config.Resources{
+						Jobs: map[string]*resources.Job{
+							"foo": {
+								JobSettings: &jobs.JobSettings{
+									Tasks: []jobs.Task{
+										{
+											ForEachTask: &jobs.ForEachTask{
+												Task: jobs.Task{
+													NewCluster: &compute.ClusterSpec{
+														ClusterName: "my_cluster",
+														SparkConf:   tc.sparkConf,
+														CustomTags:  tc.customTags,
+													},
+												},
+											},
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			}
+
+			bundletest.SetLocation(b, "resources.jobs.foo.tasks[0].for_each_task.task.new_cluster", []dyn.Location{{File: "e.yml", Line: 1, Column: 1}})
+
+			// We can't set num_workers to 0 explicitly in the typed configuration.
+			// Do it on the dyn.Value directly.
+			bundletest.Mutate(t, b, func(v dyn.Value) (dyn.Value, error) {
+				return dyn.Set(v, "resources.jobs.foo.tasks[0].for_each_task.task.new_cluster.num_workers", dyn.V(0))
+			})
+
+			diags := bundle.ApplyReadOnly(ctx, bundle.ReadOnly(b), SingleNodeCluster())
+			assert.Equal(t, diag.Diagnostics{
+				{
+					Severity:  diag.Warning,
+					Summary:   singleNodeWarningSummary,
+					Detail:    singleNodeWarningDetail,
+					Locations: []dyn.Location{{File: "e.yml", Line: 1, Column: 1}},
+					Paths:     []dyn.Path{dyn.MustPathFromString("resources.jobs.foo.tasks[0].for_each_task.task.new_cluster")},
+				},
+			}, diags)
+		})
+	}
+}
+
+func passCases() []struct {
+	name       string
+	numWorkers *int
+	sparkConf  map[string]string
+	customTags map[string]string
+	policyId   string
+} {
+	zero := 0
+	one := 1
+
+	return []struct {
+		name       string
+		numWorkers *int
+		sparkConf  map[string]string
+		customTags map[string]string
+		policyId   string
+	}{
+		{
+			name: "single node cluster",
+			sparkConf: map[string]string{
+				"spark.databricks.cluster.profile": "singleNode",
+				"spark.master":                     "local[*]",
+			},
+			customTags: map[string]string{
+				"ResourceClass": "SingleNode",
+			},
+			numWorkers: &zero,
+		},
+		{
+			name:       "num workers is not zero",
+			numWorkers: &one,
+		},
+		{
+			name: "num workers is not set",
+		},
+		{
+			name:       "policy id is not empty",
+			policyId:   "policy-abc",
+			numWorkers: &zero,
+		},
+	}
+}
+
+func TestValidateSingleNodeClusterPassInteractiveClusters(t *testing.T) {
+	ctx := context.Background()
+
+	for _, tc := range passCases() {
+		t.Run(tc.name, func(t *testing.T) {
+			b := &bundle.Bundle{
+				Config: config.Root{
+					Resources: config.Resources{
+						Clusters: map[string]*resources.Cluster{
+							"foo": {
+								ClusterSpec: &compute.ClusterSpec{
+									SparkConf:  tc.sparkConf,
+									CustomTags: tc.customTags,
+									PolicyId:   tc.policyId,
+								},
+							},
+						},
+					},
+				},
+			}
+
+			if tc.numWorkers != nil {
+				bundletest.Mutate(t, b, func(v dyn.Value) (dyn.Value, error) {
+					return dyn.Set(v, "resources.clusters.foo.num_workers", dyn.V(*tc.numWorkers))
+				})
+			}
+
+			diags := bundle.ApplyReadOnly(ctx, bundle.ReadOnly(b), SingleNodeCluster())
+			assert.Empty(t, diags)
+		})
+	}
+}
+
+func TestValidateSingleNodeClusterPassJobClusters(t *testing.T) {
+	ctx := context.Background()
+
+	for _, tc := range passCases() {
+		t.Run(tc.name, func(t *testing.T) {
+			b := &bundle.Bundle{
+				Config: config.Root{
+					Resources: config.Resources{
+						Jobs: map[string]*resources.Job{
+							"foo": {
+								JobSettings: &jobs.JobSettings{
+									JobClusters: []jobs.JobCluster{
+										{
+											NewCluster: compute.ClusterSpec{
+												ClusterName: "my_cluster",
+												SparkConf:   tc.sparkConf,
+												CustomTags:  tc.customTags,
+												PolicyId:    tc.policyId,
+											},
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			}
+
+			if tc.numWorkers != nil {
+				bundletest.Mutate(t, b, func(v dyn.Value) (dyn.Value, error) {
+					return dyn.Set(v, "resources.jobs.foo.job_clusters[0].new_cluster.num_workers", dyn.V(*tc.numWorkers))
+				})
+			}
+
+			diags := bundle.ApplyReadOnly(ctx, bundle.ReadOnly(b), SingleNodeCluster())
+			assert.Empty(t, diags)
+		})
+	}
+}
+
+func TestValidateSingleNodeClusterPassJobTaskClusters(t *testing.T) {
+	ctx := context.Background()
+
+	for _, tc := range passCases() {
+		t.Run(tc.name, func(t *testing.T) {
+			b := &bundle.Bundle{
+				Config: config.Root{
+					Resources: config.Resources{
+						Jobs: map[string]*resources.Job{
+							"foo": {
+								JobSettings: &jobs.JobSettings{
+									Tasks: []jobs.Task{
+										{
+											NewCluster: &compute.ClusterSpec{
+												ClusterName: "my_cluster",
+												SparkConf:   tc.sparkConf,
+												CustomTags:  tc.customTags,
+												PolicyId:    tc.policyId,
+											},
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			}
+
+			if tc.numWorkers != nil {
+				bundletest.Mutate(t, b, func(v dyn.Value) (dyn.Value, error) {
+					return dyn.Set(v, "resources.jobs.foo.tasks[0].new_cluster.num_workers", dyn.V(*tc.numWorkers))
+				})
+			}
+
+			diags := bundle.ApplyReadOnly(ctx, bundle.ReadOnly(b), SingleNodeCluster())
+			assert.Empty(t, diags)
+		})
+	}
+}
+
+func TestValidateSingleNodeClusterPassPipelineClusters(t *testing.T) {
+	ctx := context.Background()
+
+	for _, tc := range passCases() {
+		t.Run(tc.name, func(t *testing.T) {
+			b := &bundle.Bundle{
+				Config: config.Root{
+					Resources: config.Resources{
+						Pipelines: map[string]*resources.Pipeline{
+							"foo": {
+								PipelineSpec: &pipelines.PipelineSpec{
+									Clusters: []pipelines.PipelineCluster{
+										{
+											SparkConf:  tc.sparkConf,
+											CustomTags: tc.customTags,
+											PolicyId:   tc.policyId,
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			}
+
+			if tc.numWorkers != nil {
+				bundletest.Mutate(t, b, func(v dyn.Value) (dyn.Value, error) {
+					return dyn.Set(v, "resources.pipelines.foo.clusters[0].num_workers", dyn.V(*tc.numWorkers))
+				})
+			}
+
+			diags := bundle.ApplyReadOnly(ctx, bundle.ReadOnly(b), SingleNodeCluster())
+			assert.Empty(t, diags)
+		})
+	}
+}
+
+func TestValidateSingleNodeClusterPassJobForEachTaskCluster(t *testing.T) {
+	ctx := context.Background()
+
+	for _, tc := range passCases() {
+		t.Run(tc.name, func(t *testing.T) {
+			b := &bundle.Bundle{
+				Config: config.Root{
+					Resources: config.Resources{
+						Jobs: map[string]*resources.Job{
+							"foo": {
+								JobSettings: &jobs.JobSettings{
+									Tasks: []jobs.Task{
+										{
+											ForEachTask: &jobs.ForEachTask{
+												Task: jobs.Task{
+													NewCluster: &compute.ClusterSpec{
+														ClusterName: "my_cluster",
+														SparkConf:   tc.sparkConf,
+														CustomTags:  tc.customTags,
+														PolicyId:    tc.policyId,
+													},
+												},
+											},
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			}
+
+			if tc.numWorkers != nil {
+				bundletest.Mutate(t, b, func(v dyn.Value) (dyn.Value, error) {
+					return dyn.Set(v, "resources.jobs.foo.tasks[0].for_each_task.task.new_cluster.num_workers", dyn.V(*tc.numWorkers))
+				})
+			}
+
+			diags := bundle.ApplyReadOnly(ctx, bundle.ReadOnly(b), SingleNodeCluster())
+			assert.Empty(t, diags)
+		})
+	}
+}

bundle/config/validate/validate.go

@@ -36,6 +36,7 @@ func (v *validate) Apply(ctx context.Context, b *bundle.Bundle) diag.Diagnostics
 		ValidateSyncPatterns(),
 		JobTaskClusterSpec(),
 		ValidateFolderPermissions(),
+		SingleNodeCluster(),
 	))
 }
 

bundle/config/variable/lookup.go

@@ -1,11 +1,8 @@
-// Code generated from OpenAPI specs by Databricks SDK Generator. DO NOT EDIT.
-
 package variable
 
 import (
 	"context"
 	"fmt"
-	"strings"
 
 	"github.com/databricks/databricks-sdk-go"
 )
@@ -25,6 +22,8 @@ type Lookup struct {
 
 	Metastore string `json:"metastore,omitempty"`
 
+	NotificationDestination string `json:"notification_destination,omitempty"`
+
 	Pipeline string `json:"pipeline,omitempty"`
 
 	Query string `json:"query,omitempty"`
@@ -34,323 +33,78 @@ type Lookup struct {
 	Warehouse string `json:"warehouse,omitempty"`
 }
 
-func LookupFromMap(m map[string]any) *Lookup {
+type resolver interface {
-	l := &Lookup{}
+	// Resolve resolves the underlying entity's ID.
-	if v, ok := m["alert"]; ok {
+	Resolve(ctx context.Context, w *databricks.WorkspaceClient) (string, error)
-		l.Alert = v.(string)
+
+	// String returns a human-readable representation of the resolver.
+	String() string
+}
+
+func (l *Lookup) constructResolver() (resolver, error) {
+	var resolvers []resolver
+
+	if l.Alert != "" {
+		resolvers = append(resolvers, resolveAlert{name: l.Alert})
 	}
-	if v, ok := m["cluster_policy"]; ok {
+	if l.ClusterPolicy != "" {
-		l.ClusterPolicy = v.(string)
+		resolvers = append(resolvers, resolveClusterPolicy{name: l.ClusterPolicy})
 	}
-	if v, ok := m["cluster"]; ok {
+	if l.Cluster != "" {
-		l.Cluster = v.(string)
+		resolvers = append(resolvers, resolveCluster{name: l.Cluster})
 	}
-	if v, ok := m["dashboard"]; ok {
+	if l.Dashboard != "" {
-		l.Dashboard = v.(string)
+		resolvers = append(resolvers, resolveDashboard{name: l.Dashboard})
 	}
-	if v, ok := m["instance_pool"]; ok {
+	if l.InstancePool != "" {
-		l.InstancePool = v.(string)
+		resolvers = append(resolvers, resolveInstancePool{name: l.InstancePool})
 	}
-	if v, ok := m["job"]; ok {
+	if l.Job != "" {
-		l.Job = v.(string)
+		resolvers = append(resolvers, resolveJob{name: l.Job})
 	}
-	if v, ok := m["metastore"]; ok {
+	if l.Metastore != "" {
-		l.Metastore = v.(string)
+		resolvers = append(resolvers, resolveMetastore{name: l.Metastore})
 	}
-	if v, ok := m["pipeline"]; ok {
+	if l.NotificationDestination != "" {
-		l.Pipeline = v.(string)
+		resolvers = append(resolvers, resolveNotificationDestination{name: l.NotificationDestination})
 	}
-	if v, ok := m["query"]; ok {
+	if l.Pipeline != "" {
-		l.Query = v.(string)
+		resolvers = append(resolvers, resolvePipeline{name: l.Pipeline})
 	}
-	if v, ok := m["service_principal"]; ok {
+	if l.Query != "" {
-		l.ServicePrincipal = v.(string)
+		resolvers = append(resolvers, resolveQuery{name: l.Query})
 	}
-	if v, ok := m["warehouse"]; ok {
+	if l.ServicePrincipal != "" {
-		l.Warehouse = v.(string)
+		resolvers = append(resolvers, resolveServicePrincipal{name: l.ServicePrincipal})
+	}
+	if l.Warehouse != "" {
+		resolvers = append(resolvers, resolveWarehouse{name: l.Warehouse})
 	}
 
-	return l
+	switch len(resolvers) {
+	case 0:
+		return nil, fmt.Errorf("no valid lookup fields provided")
+	case 1:
+		return resolvers[0], nil
+	default:
+		return nil, fmt.Errorf("exactly one lookup field must be provided")
+	}
 }
 
 func (l *Lookup) Resolve(ctx context.Context, w *databricks.WorkspaceClient) (string, error) {
-	if err := l.validate(); err != nil {
+	r, err := l.constructResolver()
+	if err != nil {
 		return "", err
 	}
 
-	r := allResolvers()
+	return r.Resolve(ctx, w)
-	if l.Alert != "" {
-		return r.Alert(ctx, w, l.Alert)
-	}
-	if l.ClusterPolicy != "" {
-		return r.ClusterPolicy(ctx, w, l.ClusterPolicy)
-	}
-	if l.Cluster != "" {
-		return r.Cluster(ctx, w, l.Cluster)
-	}
-	if l.Dashboard != "" {
-		return r.Dashboard(ctx, w, l.Dashboard)
-	}
-	if l.InstancePool != "" {
-		return r.InstancePool(ctx, w, l.InstancePool)
-	}
-	if l.Job != "" {
-		return r.Job(ctx, w, l.Job)
-	}
-	if l.Metastore != "" {
-		return r.Metastore(ctx, w, l.Metastore)
-	}
-	if l.Pipeline != "" {
-		return r.Pipeline(ctx, w, l.Pipeline)
-	}
-	if l.Query != "" {
-		return r.Query(ctx, w, l.Query)
-	}
-	if l.ServicePrincipal != "" {
-		return r.ServicePrincipal(ctx, w, l.ServicePrincipal)
-	}
-	if l.Warehouse != "" {
-		return r.Warehouse(ctx, w, l.Warehouse)
-	}
-
-	return "", fmt.Errorf("no valid lookup fields provided")
 }
 
 func (l *Lookup) String() string {
-	if l.Alert != "" {
+	r, _ := l.constructResolver()
-		return fmt.Sprintf("alert: %s", l.Alert)
+	if r == nil {
-	}
+		return ""
-	if l.ClusterPolicy != "" {
-		return fmt.Sprintf("cluster-policy: %s", l.ClusterPolicy)
-	}
-	if l.Cluster != "" {
-		return fmt.Sprintf("cluster: %s", l.Cluster)
-	}
-	if l.Dashboard != "" {
-		return fmt.Sprintf("dashboard: %s", l.Dashboard)
-	}
-	if l.InstancePool != "" {
-		return fmt.Sprintf("instance-pool: %s", l.InstancePool)
-	}
-	if l.Job != "" {
-		return fmt.Sprintf("job: %s", l.Job)
-	}
-	if l.Metastore != "" {
-		return fmt.Sprintf("metastore: %s", l.Metastore)
-	}
-	if l.Pipeline != "" {
-		return fmt.Sprintf("pipeline: %s", l.Pipeline)
-	}
-	if l.Query != "" {
-		return fmt.Sprintf("query: %s", l.Query)
-	}
-	if l.ServicePrincipal != "" {
-		return fmt.Sprintf("service-principal: %s", l.ServicePrincipal)
-	}
-	if l.Warehouse != "" {
-		return fmt.Sprintf("warehouse: %s", l.Warehouse)
 	}
 
-	return ""
+	return r.String()
-}
-
-func (l *Lookup) validate() error {
-	// Validate that only one field is set
-	count := 0
-	if l.Alert != "" {
-		count++
-	}
-	if l.ClusterPolicy != "" {
-		count++
-	}
-	if l.Cluster != "" {
-		count++
-	}
-	if l.Dashboard != "" {
-		count++
-	}
-	if l.InstancePool != "" {
-		count++
-	}
-	if l.Job != "" {
-		count++
-	}
-	if l.Metastore != "" {
-		count++
-	}
-	if l.Pipeline != "" {
-		count++
-	}
-	if l.Query != "" {
-		count++
-	}
-	if l.ServicePrincipal != "" {
-		count++
-	}
-	if l.Warehouse != "" {
-		count++
-	}
-
-	if count != 1 {
-		return fmt.Errorf("exactly one lookup field must be provided")
-	}
-
-	if strings.Contains(l.String(), "${var") {
-		return fmt.Errorf("lookup fields cannot contain variable references")
-	}
-
-	return nil
-}
-
-type resolverFunc func(ctx context.Context, w *databricks.WorkspaceClient, name string) (string, error)
-type resolvers struct {
-	Alert            resolverFunc
-	ClusterPolicy    resolverFunc
-	Cluster          resolverFunc
-	Dashboard        resolverFunc
-	InstancePool     resolverFunc
-	Job              resolverFunc
-	Metastore        resolverFunc
-	Pipeline         resolverFunc
-	Query            resolverFunc
-	ServicePrincipal resolverFunc
-	Warehouse        resolverFunc
-}
-
-func allResolvers() *resolvers {
-	r := &resolvers{}
-	r.Alert = func(ctx context.Context, w *databricks.WorkspaceClient, name string) (string, error) {
-		fn, ok := lookupOverrides["Alert"]
-		if ok {
-			return fn(ctx, w, name)
-		}
-		entity, err := w.Alerts.GetByDisplayName(ctx, name)
-		if err != nil {
-			return "", err
-		}
-
-		return fmt.Sprint(entity.Id), nil
-	}
-	r.ClusterPolicy = func(ctx context.Context, w *databricks.WorkspaceClient, name string) (string, error) {
-		fn, ok := lookupOverrides["ClusterPolicy"]
-		if ok {
-			return fn(ctx, w, name)
-		}
-		entity, err := w.ClusterPolicies.GetByName(ctx, name)
-		if err != nil {
-			return "", err
-		}
-
-		return fmt.Sprint(entity.PolicyId), nil
-	}
-	r.Cluster = func(ctx context.Context, w *databricks.WorkspaceClient, name string) (string, error) {
-		fn, ok := lookupOverrides["Cluster"]
-		if ok {
-			return fn(ctx, w, name)
-		}
-		entity, err := w.Clusters.GetByClusterName(ctx, name)
-		if err != nil {
-			return "", err
-		}
-
-		return fmt.Sprint(entity.ClusterId), nil
-	}
-	r.Dashboard = func(ctx context.Context, w *databricks.WorkspaceClient, name string) (string, error) {
-		fn, ok := lookupOverrides["Dashboard"]
-		if ok {
-			return fn(ctx, w, name)
-		}
-		entity, err := w.Dashboards.GetByName(ctx, name)
-		if err != nil {
-			return "", err
-		}
-
-		return fmt.Sprint(entity.Id), nil
-	}
-	r.InstancePool = func(ctx context.Context, w *databricks.WorkspaceClient, name string) (string, error) {
-		fn, ok := lookupOverrides["InstancePool"]
-		if ok {
-			return fn(ctx, w, name)
-		}
-		entity, err := w.InstancePools.GetByInstancePoolName(ctx, name)
-		if err != nil {
-			return "", err
-		}
-
-		return fmt.Sprint(entity.InstancePoolId), nil
-	}
-	r.Job = func(ctx context.Context, w *databricks.WorkspaceClient, name string) (string, error) {
-		fn, ok := lookupOverrides["Job"]
-		if ok {
-			return fn(ctx, w, name)
-		}
-		entity, err := w.Jobs.GetBySettingsName(ctx, name)
-		if err != nil {
-			return "", err
-		}
-
-		return fmt.Sprint(entity.JobId), nil
-	}
-	r.Metastore = func(ctx context.Context, w *databricks.WorkspaceClient, name string) (string, error) {
-		fn, ok := lookupOverrides["Metastore"]
-		if ok {
-			return fn(ctx, w, name)
-		}
-		entity, err := w.Metastores.GetByName(ctx, name)
-		if err != nil {
-			return "", err
-		}
-
-		return fmt.Sprint(entity.MetastoreId), nil
-	}
-	r.Pipeline = func(ctx context.Context, w *databricks.WorkspaceClient, name string) (string, error) {
-		fn, ok := lookupOverrides["Pipeline"]
-		if ok {
-			return fn(ctx, w, name)
-		}
-		entity, err := w.Pipelines.GetByName(ctx, name)
-		if err != nil {
-			return "", err
-		}
-
-		return fmt.Sprint(entity.PipelineId), nil
-	}
-	r.Query = func(ctx context.Context, w *databricks.WorkspaceClient, name string) (string, error) {
-		fn, ok := lookupOverrides["Query"]
-		if ok {
-			return fn(ctx, w, name)
-		}
-		entity, err := w.Queries.GetByDisplayName(ctx, name)
-		if err != nil {
-			return "", err
-		}
-
-		return fmt.Sprint(entity.Id), nil
-	}
-	r.ServicePrincipal = func(ctx context.Context, w *databricks.WorkspaceClient, name string) (string, error) {
-		fn, ok := lookupOverrides["ServicePrincipal"]
-		if ok {
-			return fn(ctx, w, name)
-		}
-		entity, err := w.ServicePrincipals.GetByDisplayName(ctx, name)
-		if err != nil {
-			return "", err
-		}
-
-		return fmt.Sprint(entity.ApplicationId), nil
-	}
-	r.Warehouse = func(ctx context.Context, w *databricks.WorkspaceClient, name string) (string, error) {
-		fn, ok := lookupOverrides["Warehouse"]
-		if ok {
-			return fn(ctx, w, name)
-		}
-		entity, err := w.Warehouses.GetByName(ctx, name)
-		if err != nil {
-			return "", err
-		}
-
-		return fmt.Sprint(entity.Id), nil
-	}
-
-	return r
 }

bundle/config/variable/lookup_test.go

@@ -0,0 +1,60 @@
+package variable
+
+import (
+	"context"
+	"reflect"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestLookup_Coverage(t *testing.T) {
+	var lookup Lookup
+	val := reflect.ValueOf(lookup)
+	typ := val.Type()
+
+	for i := 0; i < val.NumField(); i++ {
+		field := val.Field(i)
+		if field.Kind() != reflect.String {
+			t.Fatalf("Field %s is not a string", typ.Field(i).Name)
+		}
+
+		fieldType := typ.Field(i)
+		t.Run(fieldType.Name, func(t *testing.T) {
+			// Use a fresh instance of the struct in each test
+			var lookup Lookup
+
+			// Set the field to a non-empty string
+			reflect.ValueOf(&lookup).Elem().Field(i).SetString("value")
+
+			// Test the [String] function
+			assert.NotEmpty(t, lookup.String())
+		})
+	}
+}
+
+func TestLookup_Empty(t *testing.T) {
+	var lookup Lookup
+
+	// Resolve returns an error when no fields are provided
+	_, err := lookup.Resolve(context.Background(), nil)
+	assert.ErrorContains(t, err, "no valid lookup fields provided")
+
+	// No string representation for an invalid lookup
+	assert.Empty(t, lookup.String())
+
+}
+
+func TestLookup_Multiple(t *testing.T) {
+	lookup := Lookup{
+		Alert: "alert",
+		Query: "query",
+	}
+
+	// Resolve returns an error when multiple fields are provided
+	_, err := lookup.Resolve(context.Background(), nil)
+	assert.ErrorContains(t, err, "exactly one lookup field must be provided")
+
+	// No string representation for an invalid lookup
+	assert.Empty(t, lookup.String())
+}

bundle/config/variable/resolve_alert.go

@@ -0,0 +1,24 @@
+package variable
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/databricks/databricks-sdk-go"
+)
+
+type resolveAlert struct {
+	name string
+}
+
+func (l resolveAlert) Resolve(ctx context.Context, w *databricks.WorkspaceClient) (string, error) {
+	entity, err := w.Alerts.GetByDisplayName(ctx, l.name)
+	if err != nil {
+		return "", err
+	}
+	return fmt.Sprint(entity.Id), nil
+}
+
+func (l resolveAlert) String() string {
+	return fmt.Sprintf("alert: %s", l.name)
+}

bundle/config/variable/resolve_alert_test.go

@@ -0,0 +1,49 @@
+package variable
+
+import (
+	"context"
+	"testing"
+
+	"github.com/databricks/databricks-sdk-go/apierr"
+	"github.com/databricks/databricks-sdk-go/experimental/mocks"
+	"github.com/databricks/databricks-sdk-go/service/sql"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/stretchr/testify/require"
+)
+
+func TestResolveAlert_ResolveSuccess(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockAlertsAPI()
+	api.EXPECT().
+		GetByDisplayName(mock.Anything, "alert").
+		Return(&sql.ListAlertsResponseAlert{
+			Id: "1234",
+		}, nil)
+
+	ctx := context.Background()
+	l := resolveAlert{name: "alert"}
+	result, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.NoError(t, err)
+	assert.Equal(t, "1234", result)
+}
+
+func TestResolveAlert_ResolveNotFound(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockAlertsAPI()
+	api.EXPECT().
+		GetByDisplayName(mock.Anything, "alert").
+		Return(nil, &apierr.APIError{StatusCode: 404})
+
+	ctx := context.Background()
+	l := resolveAlert{name: "alert"}
+	_, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.ErrorIs(t, err, apierr.ErrNotFound)
+}
+
+func TestResolveAlert_String(t *testing.T) {
+	l := resolveAlert{name: "name"}
+	assert.Equal(t, "alert: name", l.String())
+}

bundle/config/variable/resolve_cluster.go

@@ -8,13 +8,13 @@ import (
 	"github.com/databricks/databricks-sdk-go/service/compute"
 )
 
-var lookupOverrides = map[string]resolverFunc{
+type resolveCluster struct {
-	"Cluster": resolveCluster,
+	name string
 }
 
 // We added a custom resolver for the cluster to add filtering for the cluster source when we list all clusters.
 // Without the filtering listing could take a very long time (5-10 mins) which leads to lookup timeouts.
-func resolveCluster(ctx context.Context, w *databricks.WorkspaceClient, name string) (string, error) {
+func (l resolveCluster) Resolve(ctx context.Context, w *databricks.WorkspaceClient) (string, error) {
 	result, err := w.Clusters.ListAll(ctx, compute.ListClustersRequest{
 		FilterBy: &compute.ListClustersFilterBy{
 			ClusterSources: []compute.ClusterSource{compute.ClusterSourceApi, compute.ClusterSourceUi},
@@ -30,6 +30,8 @@ func resolveCluster(ctx context.Context, w *databricks.WorkspaceClient, name str
 		key := v.ClusterName
 		tmp[key] = append(tmp[key], v)
 	}
+
+	name := l.name
 	alternatives, ok := tmp[name]
 	if !ok || len(alternatives) == 0 {
 		return "", fmt.Errorf("cluster named '%s' does not exist", name)
@@ -39,3 +41,7 @@ func resolveCluster(ctx context.Context, w *databricks.WorkspaceClient, name str
 	}
 	return alternatives[0].ClusterId, nil
 }
+
+func (l resolveCluster) String() string {
+	return fmt.Sprintf("cluster: %s", l.name)
+}

bundle/config/variable/resolve_cluster_policy.go

@@ -0,0 +1,24 @@
+package variable
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/databricks/databricks-sdk-go"
+)
+
+type resolveClusterPolicy struct {
+	name string
+}
+
+func (l resolveClusterPolicy) Resolve(ctx context.Context, w *databricks.WorkspaceClient) (string, error) {
+	entity, err := w.ClusterPolicies.GetByName(ctx, l.name)
+	if err != nil {
+		return "", err
+	}
+	return fmt.Sprint(entity.PolicyId), nil
+}
+
+func (l resolveClusterPolicy) String() string {
+	return fmt.Sprintf("cluster-policy: %s", l.name)
+}

bundle/config/variable/resolve_cluster_policy_test.go

@@ -0,0 +1,49 @@
+package variable
+
+import (
+	"context"
+	"testing"
+
+	"github.com/databricks/databricks-sdk-go/apierr"
+	"github.com/databricks/databricks-sdk-go/experimental/mocks"
+	"github.com/databricks/databricks-sdk-go/service/compute"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/stretchr/testify/require"
+)
+
+func TestResolveClusterPolicy_ResolveSuccess(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockClusterPoliciesAPI()
+	api.EXPECT().
+		GetByName(mock.Anything, "policy").
+		Return(&compute.Policy{
+			PolicyId: "1234",
+		}, nil)
+
+	ctx := context.Background()
+	l := resolveClusterPolicy{name: "policy"}
+	result, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.NoError(t, err)
+	assert.Equal(t, "1234", result)
+}
+
+func TestResolveClusterPolicy_ResolveNotFound(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockClusterPoliciesAPI()
+	api.EXPECT().
+		GetByName(mock.Anything, "policy").
+		Return(nil, &apierr.APIError{StatusCode: 404})
+
+	ctx := context.Background()
+	l := resolveClusterPolicy{name: "policy"}
+	_, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.ErrorIs(t, err, apierr.ErrNotFound)
+}
+
+func TestResolveClusterPolicy_String(t *testing.T) {
+	l := resolveClusterPolicy{name: "name"}
+	assert.Equal(t, "cluster-policy: name", l.String())
+}

bundle/config/variable/resolve_cluster_test.go

@@ -0,0 +1,50 @@
+package variable
+
+import (
+	"context"
+	"testing"
+
+	"github.com/databricks/databricks-sdk-go/experimental/mocks"
+	"github.com/databricks/databricks-sdk-go/service/compute"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/stretchr/testify/require"
+)
+
+func TestResolveCluster_ResolveSuccess(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockClustersAPI()
+	api.EXPECT().
+		ListAll(mock.Anything, mock.Anything).
+		Return([]compute.ClusterDetails{
+			{ClusterId: "1234", ClusterName: "cluster1"},
+			{ClusterId: "2345", ClusterName: "cluster2"},
+		}, nil)
+
+	ctx := context.Background()
+	l := resolveCluster{name: "cluster2"}
+	result, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.NoError(t, err)
+	assert.Equal(t, "2345", result)
+}
+
+func TestResolveCluster_ResolveNotFound(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockClustersAPI()
+	api.EXPECT().
+		ListAll(mock.Anything, mock.Anything).
+		Return([]compute.ClusterDetails{}, nil)
+
+	ctx := context.Background()
+	l := resolveCluster{name: "cluster"}
+	_, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.Error(t, err)
+	assert.Contains(t, err.Error(), "cluster named 'cluster' does not exist")
+}
+
+func TestResolveCluster_String(t *testing.T) {
+	l := resolveCluster{name: "name"}
+	assert.Equal(t, "cluster: name", l.String())
+}

bundle/config/variable/resolve_dashboard.go

@@ -0,0 +1,24 @@
+package variable
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/databricks/databricks-sdk-go"
+)
+
+type resolveDashboard struct {
+	name string
+}
+
+func (l resolveDashboard) Resolve(ctx context.Context, w *databricks.WorkspaceClient) (string, error) {
+	entity, err := w.Dashboards.GetByName(ctx, l.name)
+	if err != nil {
+		return "", err
+	}
+	return fmt.Sprint(entity.Id), nil
+}
+
+func (l resolveDashboard) String() string {
+	return fmt.Sprintf("dashboard: %s", l.name)
+}

bundle/config/variable/resolve_dashboard_test.go

@@ -0,0 +1,49 @@
+package variable
+
+import (
+	"context"
+	"testing"
+
+	"github.com/databricks/databricks-sdk-go/apierr"
+	"github.com/databricks/databricks-sdk-go/experimental/mocks"
+	"github.com/databricks/databricks-sdk-go/service/sql"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/stretchr/testify/require"
+)
+
+func TestResolveDashboard_ResolveSuccess(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockDashboardsAPI()
+	api.EXPECT().
+		GetByName(mock.Anything, "dashboard").
+		Return(&sql.Dashboard{
+			Id: "1234",
+		}, nil)
+
+	ctx := context.Background()
+	l := resolveDashboard{name: "dashboard"}
+	result, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.NoError(t, err)
+	assert.Equal(t, "1234", result)
+}
+
+func TestResolveDashboard_ResolveNotFound(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockDashboardsAPI()
+	api.EXPECT().
+		GetByName(mock.Anything, "dashboard").
+		Return(nil, &apierr.APIError{StatusCode: 404})
+
+	ctx := context.Background()
+	l := resolveDashboard{name: "dashboard"}
+	_, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.ErrorIs(t, err, apierr.ErrNotFound)
+}
+
+func TestResolveDashboard_String(t *testing.T) {
+	l := resolveDashboard{name: "name"}
+	assert.Equal(t, "dashboard: name", l.String())
+}

bundle/config/variable/resolve_instance_pool.go

@@ -0,0 +1,24 @@
+package variable
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/databricks/databricks-sdk-go"
+)
+
+type resolveInstancePool struct {
+	name string
+}
+
+func (l resolveInstancePool) Resolve(ctx context.Context, w *databricks.WorkspaceClient) (string, error) {
+	entity, err := w.InstancePools.GetByInstancePoolName(ctx, l.name)
+	if err != nil {
+		return "", err
+	}
+	return fmt.Sprint(entity.InstancePoolId), nil
+}
+
+func (l resolveInstancePool) String() string {
+	return fmt.Sprintf("instance-pool: %s", l.name)
+}

bundle/config/variable/resolve_instance_pool_test.go

@@ -0,0 +1,49 @@
+package variable
+
+import (
+	"context"
+	"testing"
+
+	"github.com/databricks/databricks-sdk-go/apierr"
+	"github.com/databricks/databricks-sdk-go/experimental/mocks"
+	"github.com/databricks/databricks-sdk-go/service/compute"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/stretchr/testify/require"
+)
+
+func TestResolveInstancePool_ResolveSuccess(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockInstancePoolsAPI()
+	api.EXPECT().
+		GetByInstancePoolName(mock.Anything, "instance_pool").
+		Return(&compute.InstancePoolAndStats{
+			InstancePoolId: "5678",
+		}, nil)
+
+	ctx := context.Background()
+	l := resolveInstancePool{name: "instance_pool"}
+	result, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.NoError(t, err)
+	assert.Equal(t, "5678", result)
+}
+
+func TestResolveInstancePool_ResolveNotFound(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockInstancePoolsAPI()
+	api.EXPECT().
+		GetByInstancePoolName(mock.Anything, "instance_pool").
+		Return(nil, &apierr.APIError{StatusCode: 404})
+
+	ctx := context.Background()
+	l := resolveInstancePool{name: "instance_pool"}
+	_, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.ErrorIs(t, err, apierr.ErrNotFound)
+}
+
+func TestResolveInstancePool_String(t *testing.T) {
+	l := resolveInstancePool{name: "name"}
+	assert.Equal(t, "instance-pool: name", l.String())
+}

bundle/config/variable/resolve_job.go

@@ -0,0 +1,24 @@
+package variable
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/databricks/databricks-sdk-go"
+)
+
+type resolveJob struct {
+	name string
+}
+
+func (l resolveJob) Resolve(ctx context.Context, w *databricks.WorkspaceClient) (string, error) {
+	entity, err := w.Jobs.GetBySettingsName(ctx, l.name)
+	if err != nil {
+		return "", err
+	}
+	return fmt.Sprint(entity.JobId), nil
+}
+
+func (l resolveJob) String() string {
+	return fmt.Sprintf("job: %s", l.name)
+}

bundle/config/variable/resolve_job_test.go

@@ -0,0 +1,49 @@
+package variable
+
+import (
+	"context"
+	"testing"
+
+	"github.com/databricks/databricks-sdk-go/apierr"
+	"github.com/databricks/databricks-sdk-go/experimental/mocks"
+	"github.com/databricks/databricks-sdk-go/service/jobs"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/stretchr/testify/require"
+)
+
+func TestResolveJob_ResolveSuccess(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockJobsAPI()
+	api.EXPECT().
+		GetBySettingsName(mock.Anything, "job").
+		Return(&jobs.BaseJob{
+			JobId: 5678,
+		}, nil)
+
+	ctx := context.Background()
+	l := resolveJob{name: "job"}
+	result, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.NoError(t, err)
+	assert.Equal(t, "5678", result)
+}
+
+func TestResolveJob_ResolveNotFound(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockJobsAPI()
+	api.EXPECT().
+		GetBySettingsName(mock.Anything, "job").
+		Return(nil, &apierr.APIError{StatusCode: 404})
+
+	ctx := context.Background()
+	l := resolveJob{name: "job"}
+	_, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.ErrorIs(t, err, apierr.ErrNotFound)
+}
+
+func TestResolveJob_String(t *testing.T) {
+	l := resolveJob{name: "name"}
+	assert.Equal(t, "job: name", l.String())
+}

bundle/config/variable/resolve_metastore.go

@@ -0,0 +1,24 @@
+package variable
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/databricks/databricks-sdk-go"
+)
+
+type resolveMetastore struct {
+	name string
+}
+
+func (l resolveMetastore) Resolve(ctx context.Context, w *databricks.WorkspaceClient) (string, error) {
+	entity, err := w.Metastores.GetByName(ctx, l.name)
+	if err != nil {
+		return "", err
+	}
+	return fmt.Sprint(entity.MetastoreId), nil
+}
+
+func (l resolveMetastore) String() string {
+	return fmt.Sprintf("metastore: %s", l.name)
+}

bundle/config/variable/resolve_metastore_test.go

@@ -0,0 +1,49 @@
+package variable
+
+import (
+	"context"
+	"testing"
+
+	"github.com/databricks/databricks-sdk-go/apierr"
+	"github.com/databricks/databricks-sdk-go/experimental/mocks"
+	"github.com/databricks/databricks-sdk-go/service/catalog"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/stretchr/testify/require"
+)
+
+func TestResolveMetastore_ResolveSuccess(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockMetastoresAPI()
+	api.EXPECT().
+		GetByName(mock.Anything, "metastore").
+		Return(&catalog.MetastoreInfo{
+			MetastoreId: "abcd",
+		}, nil)
+
+	ctx := context.Background()
+	l := resolveMetastore{name: "metastore"}
+	result, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.NoError(t, err)
+	assert.Equal(t, "abcd", result)
+}
+
+func TestResolveMetastore_ResolveNotFound(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockMetastoresAPI()
+	api.EXPECT().
+		GetByName(mock.Anything, "metastore").
+		Return(nil, &apierr.APIError{StatusCode: 404})
+
+	ctx := context.Background()
+	l := resolveMetastore{name: "metastore"}
+	_, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.ErrorIs(t, err, apierr.ErrNotFound)
+}
+
+func TestResolveMetastore_String(t *testing.T) {
+	l := resolveMetastore{name: "name"}
+	assert.Equal(t, "metastore: name", l.String())
+}

bundle/config/variable/resolve_notification_destination.go

@@ -0,0 +1,46 @@
+package variable
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/databricks/databricks-sdk-go"
+	"github.com/databricks/databricks-sdk-go/service/settings"
+)
+
+type resolveNotificationDestination struct {
+	name string
+}
+
+func (l resolveNotificationDestination) Resolve(ctx context.Context, w *databricks.WorkspaceClient) (string, error) {
+	result, err := w.NotificationDestinations.ListAll(ctx, settings.ListNotificationDestinationsRequest{
+		// The default page size for this API is 20.
+		// We use a higher value to make fewer API calls.
+		PageSize: 200,
+	})
+	if err != nil {
+		return "", err
+	}
+
+	// Collect all notification destinations with the given name.
+	var entities []settings.ListNotificationDestinationsResult
+	for _, entity := range result {
+		if entity.DisplayName == l.name {
+			entities = append(entities, entity)
+		}
+	}
+
+	// Return the ID of the first matching notification destination.
+	switch len(entities) {
+	case 0:
+		return "", fmt.Errorf("notification destination named %q does not exist", l.name)
+	case 1:
+		return entities[0].Id, nil
+	default:
+		return "", fmt.Errorf("there are %d instances of clusters named %q", len(entities), l.name)
+	}
+}
+
+func (l resolveNotificationDestination) String() string {
+	return fmt.Sprintf("notification-destination: %s", l.name)
+}

bundle/config/variable/resolve_notification_destination_test.go

@@ -0,0 +1,82 @@
+package variable
+
+import (
+	"context"
+	"fmt"
+	"testing"
+
+	"github.com/databricks/databricks-sdk-go/experimental/mocks"
+	"github.com/databricks/databricks-sdk-go/service/settings"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/stretchr/testify/require"
+)
+
+func TestResolveNotificationDestination_ResolveSuccess(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockNotificationDestinationsAPI()
+	api.EXPECT().
+		ListAll(mock.Anything, mock.Anything).
+		Return([]settings.ListNotificationDestinationsResult{
+			{Id: "1234", DisplayName: "destination"},
+		}, nil)
+
+	ctx := context.Background()
+	l := resolveNotificationDestination{name: "destination"}
+	result, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.NoError(t, err)
+	assert.Equal(t, "1234", result)
+}
+
+func TestResolveNotificationDestination_ResolveError(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockNotificationDestinationsAPI()
+	api.EXPECT().
+		ListAll(mock.Anything, mock.Anything).
+		Return(nil, fmt.Errorf("bad"))
+
+	ctx := context.Background()
+	l := resolveNotificationDestination{name: "destination"}
+	_, err := l.Resolve(ctx, m.WorkspaceClient)
+	assert.ErrorContains(t, err, "bad")
+}
+
+func TestResolveNotificationDestination_ResolveNotFound(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockNotificationDestinationsAPI()
+	api.EXPECT().
+		ListAll(mock.Anything, mock.Anything).
+		Return([]settings.ListNotificationDestinationsResult{}, nil)
+
+	ctx := context.Background()
+	l := resolveNotificationDestination{name: "destination"}
+	_, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.Error(t, err)
+	assert.ErrorContains(t, err, `notification destination named "destination" does not exist`)
+}
+
+func TestResolveNotificationDestination_ResolveMultiple(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockNotificationDestinationsAPI()
+	api.EXPECT().
+		ListAll(mock.Anything, mock.Anything).
+		Return([]settings.ListNotificationDestinationsResult{
+			{Id: "1234", DisplayName: "destination"},
+			{Id: "5678", DisplayName: "destination"},
+		}, nil)
+
+	ctx := context.Background()
+	l := resolveNotificationDestination{name: "destination"}
+	_, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.Error(t, err)
+	assert.ErrorContains(t, err, `there are 2 instances of clusters named "destination"`)
+}
+
+func TestResolveNotificationDestination_String(t *testing.T) {
+	l := resolveNotificationDestination{name: "name"}
+	assert.Equal(t, "notification-destination: name", l.String())
+}

bundle/config/variable/resolve_pipeline.go

@@ -0,0 +1,24 @@
+package variable
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/databricks/databricks-sdk-go"
+)
+
+type resolvePipeline struct {
+	name string
+}
+
+func (l resolvePipeline) Resolve(ctx context.Context, w *databricks.WorkspaceClient) (string, error) {
+	entity, err := w.Pipelines.GetByName(ctx, l.name)
+	if err != nil {
+		return "", err
+	}
+	return fmt.Sprint(entity.PipelineId), nil
+}
+
+func (l resolvePipeline) String() string {
+	return fmt.Sprintf("pipeline: %s", l.name)
+}

bundle/config/variable/resolve_pipeline_test.go

@@ -0,0 +1,49 @@
+package variable
+
+import (
+	"context"
+	"testing"
+
+	"github.com/databricks/databricks-sdk-go/apierr"
+	"github.com/databricks/databricks-sdk-go/experimental/mocks"
+	"github.com/databricks/databricks-sdk-go/service/pipelines"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/stretchr/testify/require"
+)
+
+func TestResolvePipeline_ResolveSuccess(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockPipelinesAPI()
+	api.EXPECT().
+		GetByName(mock.Anything, "pipeline").
+		Return(&pipelines.PipelineStateInfo{
+			PipelineId: "abcd",
+		}, nil)
+
+	ctx := context.Background()
+	l := resolvePipeline{name: "pipeline"}
+	result, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.NoError(t, err)
+	assert.Equal(t, "abcd", result)
+}
+
+func TestResolvePipeline_ResolveNotFound(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockPipelinesAPI()
+	api.EXPECT().
+		GetByName(mock.Anything, "pipeline").
+		Return(nil, &apierr.APIError{StatusCode: 404})
+
+	ctx := context.Background()
+	l := resolvePipeline{name: "pipeline"}
+	_, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.ErrorIs(t, err, apierr.ErrNotFound)
+}
+
+func TestResolvePipeline_String(t *testing.T) {
+	l := resolvePipeline{name: "name"}
+	assert.Equal(t, "pipeline: name", l.String())
+}

bundle/config/variable/resolve_query.go

@@ -0,0 +1,24 @@
+package variable
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/databricks/databricks-sdk-go"
+)
+
+type resolveQuery struct {
+	name string
+}
+
+func (l resolveQuery) Resolve(ctx context.Context, w *databricks.WorkspaceClient) (string, error) {
+	entity, err := w.Queries.GetByDisplayName(ctx, l.name)
+	if err != nil {
+		return "", err
+	}
+	return fmt.Sprint(entity.Id), nil
+}
+
+func (l resolveQuery) String() string {
+	return fmt.Sprintf("query: %s", l.name)
+}

bundle/config/variable/resolve_query_test.go

@@ -0,0 +1,49 @@
+package variable
+
+import (
+	"context"
+	"testing"
+
+	"github.com/databricks/databricks-sdk-go/apierr"
+	"github.com/databricks/databricks-sdk-go/experimental/mocks"
+	"github.com/databricks/databricks-sdk-go/service/sql"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/stretchr/testify/require"
+)
+
+func TestResolveQuery_ResolveSuccess(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockQueriesAPI()
+	api.EXPECT().
+		GetByDisplayName(mock.Anything, "query").
+		Return(&sql.ListQueryObjectsResponseQuery{
+			Id: "1234",
+		}, nil)
+
+	ctx := context.Background()
+	l := resolveQuery{name: "query"}
+	result, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.NoError(t, err)
+	assert.Equal(t, "1234", result)
+}
+
+func TestResolveQuery_ResolveNotFound(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockQueriesAPI()
+	api.EXPECT().
+		GetByDisplayName(mock.Anything, "query").
+		Return(nil, &apierr.APIError{StatusCode: 404})
+
+	ctx := context.Background()
+	l := resolveQuery{name: "query"}
+	_, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.ErrorIs(t, err, apierr.ErrNotFound)
+}
+
+func TestResolveQuery_String(t *testing.T) {
+	l := resolveQuery{name: "name"}
+	assert.Equal(t, "query: name", l.String())
+}

bundle/config/variable/resolve_service_principal.go

@@ -0,0 +1,24 @@
+package variable
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/databricks/databricks-sdk-go"
+)
+
+type resolveServicePrincipal struct {
+	name string
+}
+
+func (l resolveServicePrincipal) Resolve(ctx context.Context, w *databricks.WorkspaceClient) (string, error) {
+	entity, err := w.ServicePrincipals.GetByDisplayName(ctx, l.name)
+	if err != nil {
+		return "", err
+	}
+	return fmt.Sprint(entity.ApplicationId), nil
+}
+
+func (l resolveServicePrincipal) String() string {
+	return fmt.Sprintf("service-principal: %s", l.name)
+}

bundle/config/variable/resolve_service_principal_test.go

@@ -0,0 +1,49 @@
+package variable
+
+import (
+	"context"
+	"testing"
+
+	"github.com/databricks/databricks-sdk-go/apierr"
+	"github.com/databricks/databricks-sdk-go/experimental/mocks"
+	"github.com/databricks/databricks-sdk-go/service/iam"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/stretchr/testify/require"
+)
+
+func TestResolveServicePrincipal_ResolveSuccess(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockServicePrincipalsAPI()
+	api.EXPECT().
+		GetByDisplayName(mock.Anything, "service-principal").
+		Return(&iam.ServicePrincipal{
+			ApplicationId: "5678",
+		}, nil)
+
+	ctx := context.Background()
+	l := resolveServicePrincipal{name: "service-principal"}
+	result, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.NoError(t, err)
+	assert.Equal(t, "5678", result)
+}
+
+func TestResolveServicePrincipal_ResolveNotFound(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockServicePrincipalsAPI()
+	api.EXPECT().
+		GetByDisplayName(mock.Anything, "service-principal").
+		Return(nil, &apierr.APIError{StatusCode: 404})
+
+	ctx := context.Background()
+	l := resolveServicePrincipal{name: "service-principal"}
+	_, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.ErrorIs(t, err, apierr.ErrNotFound)
+}
+
+func TestResolveServicePrincipal_String(t *testing.T) {
+	l := resolveServicePrincipal{name: "name"}
+	assert.Equal(t, "service-principal: name", l.String())
+}

bundle/config/variable/resolve_warehouse.go

@@ -0,0 +1,24 @@
+package variable
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/databricks/databricks-sdk-go"
+)
+
+type resolveWarehouse struct {
+	name string
+}
+
+func (l resolveWarehouse) Resolve(ctx context.Context, w *databricks.WorkspaceClient) (string, error) {
+	entity, err := w.Warehouses.GetByName(ctx, l.name)
+	if err != nil {
+		return "", err
+	}
+	return fmt.Sprint(entity.Id), nil
+}
+
+func (l resolveWarehouse) String() string {
+	return fmt.Sprintf("warehouse: %s", l.name)
+}

bundle/config/variable/resolve_warehouse_test.go

@@ -0,0 +1,49 @@
+package variable
+
+import (
+	"context"
+	"testing"
+
+	"github.com/databricks/databricks-sdk-go/apierr"
+	"github.com/databricks/databricks-sdk-go/experimental/mocks"
+	"github.com/databricks/databricks-sdk-go/service/sql"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/stretchr/testify/require"
+)
+
+func TestResolveWarehouse_ResolveSuccess(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockWarehousesAPI()
+	api.EXPECT().
+		GetByName(mock.Anything, "warehouse").
+		Return(&sql.EndpointInfo{
+			Id: "abcd",
+		}, nil)
+
+	ctx := context.Background()
+	l := resolveWarehouse{name: "warehouse"}
+	result, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.NoError(t, err)
+	assert.Equal(t, "abcd", result)
+}
+
+func TestResolveWarehouse_ResolveNotFound(t *testing.T) {
+	m := mocks.NewMockWorkspaceClient(t)
+
+	api := m.GetMockWarehousesAPI()
+	api.EXPECT().
+		GetByName(mock.Anything, "warehouse").
+		Return(nil, &apierr.APIError{StatusCode: 404})
+
+	ctx := context.Background()
+	l := resolveWarehouse{name: "warehouse"}
+	_, err := l.Resolve(ctx, m.WorkspaceClient)
+	require.ErrorIs(t, err, apierr.ErrNotFound)
+}
+
+func TestResolveWarehouse_String(t *testing.T) {
+	l := resolveWarehouse{name: "name"}
+	assert.Equal(t, "warehouse: name", l.String())
+}

bundle/deploy/files/upload.go

@@ -7,6 +7,7 @@ import (
 	"io/fs"
 
 	"github.com/databricks/cli/bundle"
+	"github.com/databricks/cli/bundle/config"
 	"github.com/databricks/cli/bundle/permissions"
 	"github.com/databricks/cli/libs/cmdio"
 	"github.com/databricks/cli/libs/diag"
@@ -23,6 +24,11 @@ func (m *upload) Name() string {
 }
 
 func (m *upload) Apply(ctx context.Context, b *bundle.Bundle) diag.Diagnostics {
+	if config.IsExplicitlyEnabled(b.Config.Presets.SourceLinkedDeployment) {
+		cmdio.LogString(ctx, "Source-linked deployment is enabled. Deployed resources reference the source files in your working tree instead of separate copies.")
+		return nil
+	}
+
 	cmdio.LogString(ctx, fmt.Sprintf("Uploading bundle files to %s...", b.Config.Workspace.FilePath))
 	opts, err := GetSyncOptions(ctx, bundle.ReadOnly(b))
 	if err != nil {

bundle/phases/deploy.go

@@ -51,6 +51,43 @@ func parseTerraformActions(changes []*tfjson.ResourceChange, toInclude func(typ
 	return res
 }
 
+func showDryRunChanges(ctx context.Context, plan *tfjson.Plan) {
+	updateActions := make([]terraformlib.Action, 0)
+	for _, rc := range plan.ResourceChanges {
+		if rc.Change.Actions.Update() {
+			updateActions = append(updateActions, terraformlib.Action{
+				Action:       terraformlib.ActionTypeUpdate,
+				ResourceType: rc.Type,
+				ResourceName: rc.Name,
+			})
+		}
+	}
+	createActions := make([]terraformlib.Action, 0)
+	for _, rc := range plan.ResourceChanges {
+		if rc.Change.Actions.Create() {
+			createActions = append(createActions, terraformlib.Action{
+				Action:       terraformlib.ActionTypeCreate,
+				ResourceType: rc.Type,
+				ResourceName: rc.Name,
+			})
+		}
+	}
+	if len(updateActions) > 0 {
+		cmdio.LogString(ctx, "The following resources will be updated:")
+		for _, a := range updateActions {
+			cmdio.Log(ctx, a)
+		}
+		cmdio.LogString(ctx, "")
+	}
+	if len(createActions) > 0 {
+		cmdio.LogString(ctx, "The following resources will be created:")
+		for _, a := range createActions {
+			cmdio.Log(ctx, a)
+		}
+		cmdio.LogString(ctx, "")
+	}
+}
+
 func approvalForDeploy(ctx context.Context, b *bundle.Bundle) (bool, error) {
 	tf := b.Terraform
 	if tf == nil {
@@ -63,6 +100,11 @@ func approvalForDeploy(ctx context.Context, b *bundle.Bundle) (bool, error) {
 		return false, err
 	}
 
+	if b.DryRun {
+		showDryRunChanges(ctx, plan)
+		return false, nil
+	}
+
 	schemaActions := parseTerraformActions(plan.ResourceChanges, func(typ string, actions tfjson.Actions) bool {
 		// Filter in only UC schema resources.
 		if typ != "databricks_schema" {

bundle/trampoline/python_dbr_warning.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 
 	"github.com/databricks/cli/bundle"
+	"github.com/databricks/cli/bundle/config"
 	"github.com/databricks/cli/bundle/libraries"
 	"github.com/databricks/cli/libs/diag"
 	"github.com/databricks/cli/libs/log"
@@ -22,6 +23,9 @@ func WrapperWarning() bundle.Mutator {
 
 func (m *wrapperWarning) Apply(ctx context.Context, b *bundle.Bundle) diag.Diagnostics {
 	if isPythonWheelWrapperOn(b) {
+		if config.IsExplicitlyEnabled(b.Config.Presets.SourceLinkedDeployment) {
+			return diag.Warningf("Python wheel notebook wrapper is not available when using source-linked deployment mode. You can disable this mode by setting 'presets.source_linked_deployment: false'")
+		}
 		return nil
 	}
 

cmd/bundle/deploy.go

@@ -26,6 +26,7 @@ func newDeployCommand() *cobra.Command {
 	var failOnActiveRuns bool
 	var clusterId string
 	var autoApprove bool
+	var dryRyn bool
 	var verbose bool
 	cmd.Flags().BoolVar(&force, "force", false, "Force-override Git branch validation.")
 	cmd.Flags().BoolVar(&forceLock, "force-lock", false, "Force acquisition of deployment lock.")
@@ -33,6 +34,7 @@ func newDeployCommand() *cobra.Command {
 	cmd.Flags().StringVar(&clusterId, "compute-id", "", "Override cluster in the deployment with the given compute ID.")
 	cmd.Flags().StringVarP(&clusterId, "cluster-id", "c", "", "Override cluster in the deployment with the given cluster ID.")
 	cmd.Flags().BoolVar(&autoApprove, "auto-approve", false, "Skip interactive approvals that might be required for deployment.")
+	cmd.Flags().BoolVar(&dryRyn, "dry-run", false, "Present changes that would be deployed without applying.")
 	cmd.Flags().MarkDeprecated("compute-id", "use --cluster-id instead")
 	cmd.Flags().BoolVar(&verbose, "verbose", false, "Enable verbose output.")
 	// Verbose flag currently only affects file sync output, it's used by the vscode extension
@@ -47,6 +49,7 @@ func newDeployCommand() *cobra.Command {
 				b.Config.Bundle.Force = force
 				b.Config.Bundle.Deployment.Lock.Force = forceLock
 				b.AutoApprove = autoApprove
+				b.DryRun = dryRyn
 
 				if cmd.Flag("compute-id").Changed {
 					b.Config.Bundle.ClusterId = clusterId

cmd/bundle/generate/generate_test.go

@@ -3,8 +3,10 @@ package generate
 import (
 	"bytes"
 	"context"
+	"errors"
 	"fmt"
 	"io"
+	"io/fs"
 	"os"
 	"path/filepath"
 	"testing"
@@ -90,7 +92,7 @@ func TestGeneratePipelineCommand(t *testing.T) {
 	err := cmd.RunE(cmd, []string{})
 	require.NoError(t, err)
 
-	data, err := os.ReadFile(filepath.Join(configDir, "test_pipeline.yml"))
+	data, err := os.ReadFile(filepath.Join(configDir, "test_pipeline.pipeline.yml"))
 	require.NoError(t, err)
 	require.Equal(t, fmt.Sprintf(`resources:
   pipelines:
@@ -186,7 +188,123 @@ func TestGenerateJobCommand(t *testing.T) {
 	err := cmd.RunE(cmd, []string{})
 	require.NoError(t, err)
 
-	data, err := os.ReadFile(filepath.Join(configDir, "test_job.yml"))
+	data, err := os.ReadFile(filepath.Join(configDir, "test_job.job.yml"))
+	require.NoError(t, err)
+
+	require.Equal(t, fmt.Sprintf(`resources:
+  jobs:
+    test_job:
+      name: test-job
+      job_clusters:
+        - new_cluster:
+            custom_tags:
+              "Tag1": "24X7-1234"
+        - new_cluster:
+            spark_conf:
+              "spark.databricks.delta.preview.enabled": "true"
+      tasks:
+        - task_key: notebook_task
+          notebook_task:
+            notebook_path: %s
+      parameters:
+        - name: empty
+          default: ""
+`, filepath.Join("..", "src", "notebook.py")), string(data))
+
+	data, err = os.ReadFile(filepath.Join(srcDir, "notebook.py"))
+	require.NoError(t, err)
+	require.Equal(t, "# Databricks notebook source\nNotebook content", string(data))
+}
+
+func touchEmptyFile(t *testing.T, path string) {
+	err := os.MkdirAll(filepath.Dir(path), 0700)
+	require.NoError(t, err)
+	f, err := os.Create(path)
+	require.NoError(t, err)
+	f.Close()
+}
+
+func TestGenerateJobCommandOldFileRename(t *testing.T) {
+	cmd := NewGenerateJobCommand()
+
+	root := t.TempDir()
+	b := &bundle.Bundle{
+		BundleRootPath: root,
+	}
+
+	m := mocks.NewMockWorkspaceClient(t)
+	b.SetWorkpaceClient(m.WorkspaceClient)
+
+	jobsApi := m.GetMockJobsAPI()
+	jobsApi.EXPECT().Get(mock.Anything, jobs.GetJobRequest{JobId: 1234}).Return(&jobs.Job{
+		Settings: &jobs.JobSettings{
+			Name: "test-job",
+			JobClusters: []jobs.JobCluster{
+				{NewCluster: compute.ClusterSpec{
+					CustomTags: map[string]string{
+						"Tag1": "24X7-1234",
+					},
+				}},
+				{NewCluster: compute.ClusterSpec{
+					SparkConf: map[string]string{
+						"spark.databricks.delta.preview.enabled": "true",
+					},
+				}},
+			},
+			Tasks: []jobs.Task{
+				{
+					TaskKey: "notebook_task",
+					NotebookTask: &jobs.NotebookTask{
+						NotebookPath: "/test/notebook",
+					},
+				},
+			},
+			Parameters: []jobs.JobParameterDefinition{
+				{
+					Name:    "empty",
+					Default: "",
+				},
+			},
+		},
+	}, nil)
+
+	workspaceApi := m.GetMockWorkspaceAPI()
+	workspaceApi.EXPECT().GetStatusByPath(mock.Anything, "/test/notebook").Return(&workspace.ObjectInfo{
+		ObjectType: workspace.ObjectTypeNotebook,
+		Language:   workspace.LanguagePython,
+		Path:       "/test/notebook",
+	}, nil)
+
+	notebookContent := io.NopCloser(bytes.NewBufferString("# Databricks notebook source\nNotebook content"))
+	workspaceApi.EXPECT().Download(mock.Anything, "/test/notebook", mock.Anything).Return(notebookContent, nil)
+
+	cmd.SetContext(bundle.Context(context.Background(), b))
+	cmd.Flag("existing-job-id").Value.Set("1234")
+
+	configDir := filepath.Join(root, "resources")
+	cmd.Flag("config-dir").Value.Set(configDir)
+
+	srcDir := filepath.Join(root, "src")
+	cmd.Flag("source-dir").Value.Set(srcDir)
+
+	var key string
+	cmd.Flags().StringVar(&key, "key", "test_job", "")
+
+	// Create an old generated file first
+	oldFilename := filepath.Join(configDir, "test_job.yml")
+	touchEmptyFile(t, oldFilename)
+
+	// Having an existing files require --force flag to regenerate them
+	cmd.Flag("force").Value.Set("true")
+
+	err := cmd.RunE(cmd, []string{})
+	require.NoError(t, err)
+
+	// Make sure file do not exists after the run
+	_, err = os.Stat(oldFilename)
+	require.True(t, errors.Is(err, fs.ErrNotExist))
+
+	data, err := os.ReadFile(filepath.Join(configDir, "test_job.job.yml"))
 	require.NoError(t, err)
 
 	require.Equal(t, fmt.Sprintf(`resources:

cmd/bundle/generate/job.go

@@ -1,7 +1,9 @@
 package generate
 
 import (
+	"errors"
 	"fmt"
+	"io/fs"
 	"os"
 	"path/filepath"
 
@@ -83,7 +85,17 @@ func NewGenerateJobCommand() *cobra.Command {
 			return err
 		}
 
-		filename := filepath.Join(configDir, fmt.Sprintf("%s.yml", jobKey))
+		oldFilename := filepath.Join(configDir, fmt.Sprintf("%s.yml", jobKey))
+		filename := filepath.Join(configDir, fmt.Sprintf("%s.job.yml", jobKey))
+
+		// User might continuously run generate command to update their bundle jobs with any changes made in Databricks UI.
+		// Due to changing in the generated file names, we need to first rename existing resource file to the new name.
+		// Otherwise users can end up with duplicated resources.
+		err = os.Rename(oldFilename, filename)
+		if err != nil && !errors.Is(err, fs.ErrNotExist) {
+			return fmt.Errorf("failed to rename file %s. DABs uses the resource type as a sub-extension for generated content, please rename it to %s, err: %w", oldFilename, filename, err)
+		}
+
 		saver := yamlsaver.NewSaverWithStyle(map[string]yaml.Style{
 			// Including all JobSettings and nested fields which are map[string]string type
 			"spark_conf":  yaml.DoubleQuotedStyle,

cmd/bundle/generate/pipeline.go

@@ -1,7 +1,9 @@
 package generate
 
 import (
+	"errors"
 	"fmt"
+	"io/fs"
 	"os"
 	"path/filepath"
 
@@ -83,7 +85,17 @@ func NewGeneratePipelineCommand() *cobra.Command {
 			return err
 		}
 
-		filename := filepath.Join(configDir, fmt.Sprintf("%s.yml", pipelineKey))
+		oldFilename := filepath.Join(configDir, fmt.Sprintf("%s.yml", pipelineKey))
+		filename := filepath.Join(configDir, fmt.Sprintf("%s.pipeline.yml", pipelineKey))
+
+		// User might continuously run generate command to update their bundle jobs with any changes made in Databricks UI.
+		// Due to changing in the generated file names, we need to first rename existing resource file to the new name.
+		// Otherwise users can end up with duplicated resources.
+		err = os.Rename(oldFilename, filename)
+		if err != nil && !errors.Is(err, fs.ErrNotExist) {
+			return fmt.Errorf("failed to rename file %s. DABs uses the resource type as a sub-extension for generated content, please rename it to %s, err: %w", oldFilename, filename, err)
+		}
+
 		saver := yamlsaver.NewSaverWithStyle(
 			// Including all PipelineSpec and nested fields which are map[string]string type
 			map[string]yaml.Style{

cmd/bundle/init.go

@@ -1,8 +1,10 @@
 package bundle
 
 import (
+	"context"
 	"errors"
 	"fmt"
+	"io/fs"
 	"os"
 	"path/filepath"
 	"slices"
@@ -10,6 +12,8 @@ import (
 
 	"github.com/databricks/cli/cmd/root"
 	"github.com/databricks/cli/libs/cmdio"
+	"github.com/databricks/cli/libs/dbr"
+	"github.com/databricks/cli/libs/filer"
 	"github.com/databricks/cli/libs/git"
 	"github.com/databricks/cli/libs/template"
 	"github.com/spf13/cobra"
@@ -109,6 +113,24 @@ func getUrlForNativeTemplate(name string) string {
 	return ""
 }
 
+func getFsForNativeTemplate(name string) (fs.FS, error) {
+	builtin, err := template.Builtin()
+	if err != nil {
+		return nil, err
+	}
+
+	// If this is a built-in template, the return value will be non-nil.
+	var templateFS fs.FS
+	for _, entry := range builtin {
+		if entry.Name == name {
+			templateFS = entry.FS
+			break
+		}
+	}
+
+	return templateFS, nil
+}
+
 func isRepoUrl(url string) bool {
 	result := false
 	for _, prefix := range gitUrlPrefixes {
@@ -128,6 +150,26 @@ func repoName(url string) string {
 	return parts[len(parts)-1]
 }
 
+func constructOutputFiler(ctx context.Context, outputDir string) (filer.Filer, error) {
+	outputDir, err := filepath.Abs(outputDir)
+	if err != nil {
+		return nil, err
+	}
+
+	// If the CLI is running on DBR and we're writing to the workspace file system,
+	// use the extension-aware workspace filesystem filer to instantiate the template.
+	//
+	// It is not possible to write notebooks through the workspace filesystem's FUSE mount.
+	// Therefore this is the only way we can initialize templates that contain notebooks
+	// when running the CLI on DBR and initializing a template to the workspace.
+	//
+	if strings.HasPrefix(outputDir, "/Workspace/") && dbr.RunsOnRuntime(ctx) {
+		return filer.NewWorkspaceFilesExtensionsClient(root.WorkspaceClient(ctx), outputDir)
+	}
+
+	return filer.NewLocalClient(outputDir)
+}
+
 func newInitCommand() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "init [TEMPLATE_PATH]",
@@ -182,6 +224,11 @@ See https://docs.databricks.com/en/dev-tools/bundles/templates.html for more inf
 			templatePath = getNativeTemplateByDescription(description)
 		}
 
+		outputFiler, err := constructOutputFiler(ctx, outputDir)
+		if err != nil {
+			return err
+		}
+
 		if templatePath == customTemplate {
 			cmdio.LogString(ctx, "Please specify a path or Git repository to use a custom template.")
 			cmdio.LogString(ctx, "See https://docs.databricks.com/en/dev-tools/bundles/templates.html to learn more about custom templates.")
@@ -198,9 +245,20 @@ See https://docs.databricks.com/en/dev-tools/bundles/templates.html for more inf
 			if templateDir != "" {
 				return errors.New("--template-dir can only be used with a Git repository URL")
 			}
+
+			templateFS, err := getFsForNativeTemplate(templatePath)
+			if err != nil {
+				return err
+			}
+
+			// If this is not a built-in template, then it must be a local file system path.
+			if templateFS == nil {
+				templateFS = os.DirFS(templatePath)
+			}
+
 			// skip downloading the repo because input arg is not a URL. We assume
 			// it's a path on the local file system in that case
-			return template.Materialize(ctx, configFile, templatePath, outputDir)
+			return template.Materialize(ctx, configFile, templateFS, outputFiler)
 		}
 
 		// Create a temporary directory with the name of the repository.  The '*'
@@ -224,7 +282,8 @@ See https://docs.databricks.com/en/dev-tools/bundles/templates.html for more inf
 
 		// Clean up downloaded repository once the template is materialized.
 		defer os.RemoveAll(repoDir)
-		return template.Materialize(ctx, configFile, filepath.Join(repoDir, templateDir), outputDir)
+		templateFS := os.DirFS(filepath.Join(repoDir, templateDir))
+		return template.Materialize(ctx, configFile, templateFS, outputFiler)
 	}
 	return cmd
 }

go.mod

@@ -5,7 +5,7 @@ go 1.23
 toolchain go1.23.2
 
 require (
-	github.com/Masterminds/semver/v3 v3.3.0 // MIT
+	github.com/Masterminds/semver/v3 v3.3.1 // MIT
 	github.com/briandowns/spinner v1.23.1 // Apache 2.0
 	github.com/databricks/databricks-sdk-go v0.51.0 // Apache 2.0
 	github.com/fatih/color v1.18.0 // MIT
@@ -22,12 +22,12 @@ require (
 	github.com/sabhiram/go-gitignore v0.0.0-20210923224102-525f6e181f06 // MIT
 	github.com/spf13/cobra v1.8.1 // Apache 2.0
 	github.com/spf13/pflag v1.0.5 // BSD-3-Clause
-	github.com/stretchr/testify v1.9.0 // MIT
+	github.com/stretchr/testify v1.10.0 // MIT
 	golang.org/x/exp v0.0.0-20240222234643-814bf88cf225
 	golang.org/x/mod v0.22.0
 	golang.org/x/oauth2 v0.24.0
 	golang.org/x/sync v0.9.0
-	golang.org/x/term v0.25.0
+	golang.org/x/term v0.26.0
 	golang.org/x/text v0.20.0
 	gopkg.in/ini.v1 v1.67.0 // Apache 2.0
 	gopkg.in/yaml.v3 v3.0.1
@@ -64,7 +64,7 @@ require (
 	go.opentelemetry.io/otel/trace v1.24.0 // indirect
 	golang.org/x/crypto v0.24.0 // indirect
 	golang.org/x/net v0.26.0 // indirect
-	golang.org/x/sys v0.26.0 // indirect
+	golang.org/x/sys v0.27.0 // indirect
 	golang.org/x/time v0.5.0 // indirect
 	google.golang.org/api v0.182.0 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240521202816-d264139d666e // indirect

go.sum

@@ -8,8 +8,8 @@ cloud.google.com/go/compute/metadata v0.3.0/go.mod h1:zFmK7XCadkQkj6TtorcaGlCW1h
 dario.cat/mergo v1.0.0 h1:AGCNq9Evsj31mOgNPcLyXc+4PNABt905YmuqPYYpBWk=
 dario.cat/mergo v1.0.0/go.mod h1:uNxQE+84aUszobStD9th8a29P2fMDhsBdgRYvZOxGmk=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/Masterminds/semver/v3 v3.3.0 h1:B8LGeaivUe71a5qox1ICM/JLl0NqZSW5CHyL+hmvYS0=
+github.com/Masterminds/semver/v3 v3.3.1 h1:QtNSWtVZ3nBfk8mAOu/B6v7FMJ+NHTIgUPi7rj+4nv4=
-github.com/Masterminds/semver/v3 v3.3.0/go.mod h1:4V+yj/TJE1HU9XfppCwVMZq3I84lprf4nC11bSS5beM=
+github.com/Masterminds/semver/v3 v3.3.1/go.mod h1:4V+yj/TJE1HU9XfppCwVMZq3I84lprf4nC11bSS5beM=
 github.com/Microsoft/go-winio v0.6.1 h1:9/kr64B9VUZrLm5YYwbGtUJnMgqWVOdUAXu6Migciow=
 github.com/Microsoft/go-winio v0.6.1/go.mod h1:LRdKpFKfdobln8UmuiYcKPot9D2v6svN5+sAH+4kjUM=
 github.com/ProtonMail/go-crypto v1.1.0-alpha.2 h1:bkyFVUP+ROOARdgCiJzNQo2V2kiB97LyUpzH9P6Hrlg=
@@ -156,8 +156,8 @@ github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
-github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
-github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/xanzy/ssh-agent v0.3.3 h1:+/15pJfg/RsTxqYcX6fHqOXZwwMP+2VyYWJeWM2qQFM=
 github.com/xanzy/ssh-agent v0.3.3/go.mod h1:6dzNDKs0J9rVPHPhaGCukekBHKqfl+L3KghI1Bc68Uw=
 github.com/zclconf/go-cty v1.15.0 h1:tTCRWxsexYUmtt/wVxgDClUe+uQusuI443uL6e+5sXQ=
@@ -212,10 +212,10 @@ golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210616045830-e2b7044e8c71/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.26.0 h1:KHjCJyddX0LoSTb3J+vWpupP9p0oznkqVk/IfjymZbo=
+golang.org/x/sys v0.27.0 h1:wBqf8DvsY9Y/2P8gAfPDEYNuS30J4lPHJxXSb/nJZ+s=
-golang.org/x/sys v0.26.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.27.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/term v0.25.0 h1:WtHI/ltw4NvSUig5KARz9h521QvRC8RmF/cuYqifU24=
+golang.org/x/term v0.26.0 h1:WEQa6V3Gja/BhNxg540hBip/kkaYtRg3cxg4oXSw4AU=
-golang.org/x/term v0.25.0/go.mod h1:RPyXicDX+6vLxogjjRxjgD2TKtmAO6NZBsBRfrOLu7M=
+golang.org/x/term v0.26.0/go.mod h1:Si5m1o57C5nBNQo5z1iq+XDijt21BDBDp2bK0QI8e3E=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.20.0 h1:gK/Kv2otX8gz+wn7Rmb3vT96ZwuoxnQlY+HlJVj7Qug=

internal/bundle/bind_resource_test.go

@@ -166,7 +166,7 @@ func TestAccGenerateAndBind(t *testing.T) {
 	_, err = os.Stat(filepath.Join(bundleRoot, "src", "test.py"))
 	require.NoError(t, err)
 
-	matches, err := filepath.Glob(filepath.Join(bundleRoot, "resources", "test_job_key.yml"))
+	matches, err := filepath.Glob(filepath.Join(bundleRoot, "resources", "test_job_key.job.yml"))
 	require.NoError(t, err)
 
 	require.Len(t, matches, 1)

internal/bundle/bundles/basic/databricks_template_schema.json

@@ -11,6 +11,11 @@
         "node_type_id": {
             "type": "string",
             "description": "Node type id for job cluster"
+        },
+        "root_path": {
+            "type": "string",
+            "description": "Root path to deploy bundle to",
+            "default": ""
         }
     }
 }

internal/bundle/bundles/basic/template/databricks.yml.tmpl

@@ -2,7 +2,11 @@ bundle:
   name: basic
 
 workspace:
+  {{ if .root_path }}
+  root_path: "{{.root_path}}/.bundle/{{.unique_id}}"
+  {{ else }}
   root_path: "~/.bundle/{{.unique_id}}"
+  {{ end }}
 
 resources:
   jobs:

internal/bundle/bundles/empty_bundle/databricks.yml

@@ -1,2 +0,0 @@
-bundle:
-  name: abc

internal/bundle/bundles/recreate_pipeline/template/databricks.yml.tmpl

@@ -1,5 +1,8 @@
 bundle:
-  name: "bundle-playground"
+  name: recreate-pipeline
+
+workspace:
+  root_path: "~/.bundle/{{.unique_id}}"
 
 variables:
   catalog:

internal/bundle/bundles/uc_schema/template/databricks.yml.tmpl

@@ -1,5 +1,8 @@
 bundle:
-  name: "bundle-playground"
+  name: uc-schema
+
+workspace:
+  root_path: "~/.bundle/{{.unique_id}}"
 
 resources:
   pipelines:

internal/bundle/deploy_test.go

@@ -127,6 +127,33 @@ func TestAccBundleDeployUcSchemaFailsWithoutAutoApprove(t *testing.T) {
 	assert.Contains(t, stdout.String(), "the deployment requires destructive actions, but current console does not support prompting. Please specify --auto-approve if you would like to skip prompts and proceed")
 }
 
+func TestAccBundleDeployUcSchemaIsNotAppliedWhenDryRun(t *testing.T) {
+	ctx, wt := acc.UcWorkspaceTest(t)
+	w := wt.W
+
+	uniqueId := uuid.New().String()
+	schemaName := "test-schema-" + uniqueId
+	catalogName := "main"
+
+	bundleRoot := setupUcSchemaBundle(t, ctx, w, uniqueId)
+
+	// Remove the UC schema from the resource configuration.
+	err := os.Remove(filepath.Join(bundleRoot, "schema.yml"))
+	require.NoError(t, err)
+
+	// Run dry-run for the bundle deployment
+	t.Setenv("BUNDLE_ROOT", bundleRoot)
+	t.Setenv("TERM", "dumb")
+	c := internal.NewCobraTestRunnerWithContext(t, ctx, "bundle", "deploy", "--dry-run")
+	stdout, _, err := c.Run()
+	require.NoError(t, err)
+
+	// Assert the schema was not deleted
+	_, err = w.Schemas.GetByFullName(ctx, strings.Join([]string{catalogName, schemaName}, "."))
+	require.NoError(t, err)
+	assert.Contains(t, stdout.String(), "Following changes would be deployed:")
+}
+
 func TestAccBundlePipelineDeleteWithoutAutoApprove(t *testing.T) {
 	ctx, wt := acc.WorkspaceTest(t)
 	w := wt.W

internal/bundle/deploy_to_shared_test.go

@@ -0,0 +1,38 @@
+package bundle
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/databricks/cli/internal"
+	"github.com/databricks/cli/internal/acc"
+	"github.com/databricks/cli/libs/env"
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/require"
+)
+
+func TestAccDeployBasicToSharedWorkspacePath(t *testing.T) {
+	ctx, wt := acc.WorkspaceTest(t)
+
+	nodeTypeId := internal.GetNodeTypeId(env.Get(ctx, "CLOUD_ENV"))
+	uniqueId := uuid.New().String()
+
+	currentUser, err := wt.W.CurrentUser.Me(ctx)
+	require.NoError(t, err)
+
+	bundleRoot, err := initTestTemplate(t, ctx, "basic", map[string]any{
+		"unique_id":     uniqueId,
+		"node_type_id":  nodeTypeId,
+		"spark_version": defaultSparkVersion,
+		"root_path":     fmt.Sprintf("/Shared/%s", currentUser.UserName),
+	})
+	require.NoError(t, err)
+
+	t.Cleanup(func() {
+		err = destroyBundle(wt.T, ctx, bundleRoot)
+		require.NoError(wt.T, err)
+	})
+
+	err = deployBundle(wt.T, ctx, bundleRoot)
+	require.NoError(wt.T, err)
+}

internal/bundle/helpers.go

@@ -16,6 +16,7 @@ import (
 	"github.com/databricks/cli/internal"
 	"github.com/databricks/cli/libs/cmdio"
 	"github.com/databricks/cli/libs/env"
+	"github.com/databricks/cli/libs/filer"
 	"github.com/databricks/cli/libs/flags"
 	"github.com/databricks/cli/libs/template"
 	"github.com/databricks/cli/libs/vfs"
@@ -42,7 +43,9 @@ func initTestTemplateWithBundleRoot(t *testing.T, ctx context.Context, templateN
 	cmd := cmdio.NewIO(flags.OutputJSON, strings.NewReader(""), os.Stdout, os.Stderr, "", "bundles")
 	ctx = cmdio.InContext(ctx, cmd)
 
-	err = template.Materialize(ctx, configFilePath, templateRoot, bundleRoot)
+	out, err := filer.NewLocalClient(bundleRoot)
+	require.NoError(t, err)
+	err = template.Materialize(ctx, configFilePath, os.DirFS(templateRoot), out)
 	return bundleRoot, err
 }
 

internal/filer_test.go

@@ -723,6 +723,63 @@ func TestAccWorkspaceFilesExtensionsDirectoriesAreNotNotebooks(t *testing.T) {
 	assert.ErrorIs(t, err, fs.ErrNotExist)
 }
 
+func TestAccWorkspaceFilesExtensionsNotebooksAreNotReadAsFiles(t *testing.T) {
+	t.Parallel()
+
+	ctx := context.Background()
+	wf, _ := setupWsfsExtensionsFiler(t)
+
+	// Create a notebook
+	err := wf.Write(ctx, "foo.ipynb", strings.NewReader(readFile(t, "testdata/notebooks/py1.ipynb")))
+	require.NoError(t, err)
+
+	// Reading foo should fail. Even though the WSFS name for the notebook is foo
+	// reading the notebook should only work with the .ipynb extension.
+	_, err = wf.Read(ctx, "foo")
+	assert.ErrorIs(t, err, fs.ErrNotExist)
+
+	_, err = wf.Read(ctx, "foo.ipynb")
+	assert.NoError(t, err)
+}
+
+func TestAccWorkspaceFilesExtensionsNotebooksAreNotStatAsFiles(t *testing.T) {
+	t.Parallel()
+
+	ctx := context.Background()
+	wf, _ := setupWsfsExtensionsFiler(t)
+
+	// Create a notebook
+	err := wf.Write(ctx, "foo.ipynb", strings.NewReader(readFile(t, "testdata/notebooks/py1.ipynb")))
+	require.NoError(t, err)
+
+	// Stating foo should fail. Even though the WSFS name for the notebook is foo
+	// stating the notebook should only work with the .ipynb extension.
+	_, err = wf.Stat(ctx, "foo")
+	assert.ErrorIs(t, err, fs.ErrNotExist)
+
+	_, err = wf.Stat(ctx, "foo.ipynb")
+	assert.NoError(t, err)
+}
+
+func TestAccWorkspaceFilesExtensionsNotebooksAreNotDeletedAsFiles(t *testing.T) {
+	t.Parallel()
+
+	ctx := context.Background()
+	wf, _ := setupWsfsExtensionsFiler(t)
+
+	// Create a notebook
+	err := wf.Write(ctx, "foo.ipynb", strings.NewReader(readFile(t, "testdata/notebooks/py1.ipynb")))
+	require.NoError(t, err)
+
+	// Deleting foo should fail. Even though the WSFS name for the notebook is foo
+	// deleting the notebook should only work with the .ipynb extension.
+	err = wf.Delete(ctx, "foo")
+	assert.ErrorIs(t, err, fs.ErrNotExist)
+
+	err = wf.Delete(ctx, "foo.ipynb")
+	assert.NoError(t, err)
+}
+
 func TestAccWorkspaceFilesExtensions_ExportFormatIsPreserved(t *testing.T) {
 	t.Parallel()
 

internal/init_test.go

@@ -97,7 +97,7 @@ func TestAccBundleInitOnMlopsStacks(t *testing.T) {
 	require.NoError(t, err)
 	job, err := w.Jobs.GetByJobId(context.Background(), batchJobId)
 	assert.NoError(t, err)
-	assert.Equal(t, fmt.Sprintf("dev-%s-batch-inference-job", projectName), job.Settings.Name)
+	assert.Contains(t, job.Settings.Name, fmt.Sprintf("dev-%s-batch-inference-job", projectName))
 }
 
 func TestAccBundleInitHelpers(t *testing.T) {

libs/filer/filer.go

@@ -7,13 +7,24 @@ import (
 	"io/fs"
 )
 
+// WriteMode captures intent when writing a file.
+//
+// The first 9 bits are reserved for the [fs.FileMode] permission bits.
+// These are used only by the local filer implementation and have
+// no effect for the other implementations.
 type WriteMode int
 
+// writeModePerm is a mask to extract permission bits from a WriteMode.
+const writeModePerm = WriteMode(fs.ModePerm)
+
 const (
-	OverwriteIfExists WriteMode = 1 << iota
+	// Note: these constants are defined as powers of 2 to support combining them using a bit-wise OR.
+	// They starts from the 10th bit (permission mask + 1) to avoid conflicts with the permission bits.
+	OverwriteIfExists WriteMode = (writeModePerm + 1) << iota
 	CreateParentDirectories
 )
 
+// DeleteMode captures intent when deleting a file.
 type DeleteMode int
 
 const (

libs/filer/filer_test.go

@@ -0,0 +1,12 @@
+package filer
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestWriteMode(t *testing.T) {
+	assert.Equal(t, 512, int(OverwriteIfExists))
+	assert.Equal(t, 1024, int(CreateParentDirectories))
+}

libs/filer/local_client.go

@@ -28,6 +28,15 @@ func (w *LocalClient) Write(ctx context.Context, name string, reader io.Reader,
 		return err
 	}
 
+	// Retrieve permission mask from the [WriteMode], if present.
+	perm := fs.FileMode(0644)
+	for _, m := range mode {
+		bits := m & writeModePerm
+		if bits != 0 {
+			perm = fs.FileMode(bits)
+		}
+	}
+
 	flags := os.O_WRONLY | os.O_CREATE
 	if slices.Contains(mode, OverwriteIfExists) {
 		flags |= os.O_TRUNC
@@ -35,7 +44,7 @@ func (w *LocalClient) Write(ctx context.Context, name string, reader io.Reader,
 		flags |= os.O_EXCL
 	}
 
-	f, err := os.OpenFile(absPath, flags, 0644)
+	f, err := os.OpenFile(absPath, flags, perm)
 	if errors.Is(err, fs.ErrNotExist) && slices.Contains(mode, CreateParentDirectories) {
 		// Create parent directories if they don't exist.
 		err = os.MkdirAll(filepath.Dir(absPath), 0755)
@@ -43,7 +52,7 @@ func (w *LocalClient) Write(ctx context.Context, name string, reader io.Reader,
 			return err
 		}
 		// Try again.
-		f, err = os.OpenFile(absPath, flags, 0644)
+		f, err = os.OpenFile(absPath, flags, perm)
 	}
 
 	if err != nil {

libs/filer/workspace_files_extensions_client.go

@@ -244,6 +244,17 @@ func (w *workspaceFilesExtensionsClient) Write(ctx context.Context, name string,
 
 // Try to read the file as a regular file. If the file is not found, try to read it as a notebook.
 func (w *workspaceFilesExtensionsClient) Read(ctx context.Context, name string) (io.ReadCloser, error) {
+	// Ensure that the file / notebook exists. We do this check here to avoid reading
+	// the content of a notebook called `foo` when the user actually wanted
+	// to read the content of a file called `foo`.
+	//
+	// To read the content of a notebook called `foo` in the workspace the user
+	// should use the name with the extension included like `foo.ipynb` or `foo.sql`.
+	_, err := w.Stat(ctx, name)
+	if err != nil {
+		return nil, err
+	}
+
 	r, err := w.wsfs.Read(ctx, name)
 
 	// If the file is not found, it might be a notebook.
@@ -276,7 +287,18 @@ func (w *workspaceFilesExtensionsClient) Delete(ctx context.Context, name string
 		return ReadOnlyError{"delete"}
 	}
 
-	err := w.wsfs.Delete(ctx, name, mode...)
+	// Ensure that the file / notebook exists. We do this check here to avoid
+	// deleting the a notebook called `foo` when the user actually wanted to
+	// delete a file called `foo`.
+	//
+	// To delete a notebook called `foo` in the workspace the user should use the
+	// name with the extension included like `foo.ipynb` or `foo.sql`.
+	_, err := w.Stat(ctx, name)
+	if err != nil {
+		return err
+	}
+
+	err = w.wsfs.Delete(ctx, name, mode...)
 
 	// If the file is not found, it might be a notebook.
 	if errors.As(err, &FileDoesNotExistError{}) {
@@ -315,7 +337,24 @@ func (w *workspaceFilesExtensionsClient) Stat(ctx context.Context, name string)
 		return wsfsFileInfo{ObjectInfo: stat.ObjectInfo}, nil
 	}
 
-	return info, err
+	if err != nil {
+		return nil, err
+	}
+
+	// If an object is found and it is a notebook, return a FileDoesNotExistError.
+	// If a notebook is found by the workspace files client, without having stripped
+	// the extension, this implies that no file with the same name exists.
+	//
+	// This check is done to avoid returning the stat for a notebook called `foo`
+	// when the user actually wanted to stat a file called `foo`.
+	//
+	// To stat the metadata of a notebook called `foo` in the workspace the user
+	// should use the name with the extension included like `foo.ipynb` or `foo.sql`.
+	if info.Sys().(workspace.ObjectInfo).ObjectType == workspace.ObjectTypeNotebook {
+		return nil, FileDoesNotExistError{name}
+	}
+
+	return info, nil
 }
 
 // Note: The import API returns opaque internal errors for namespace clashes

libs/jsonschema/schema.go

@@ -3,7 +3,9 @@ package jsonschema
 import (
 	"encoding/json"
 	"fmt"
+	"io/fs"
 	"os"
+	"path/filepath"
 	"regexp"
 	"slices"
 
@@ -255,7 +257,12 @@ func (schema *Schema) validate() error {
 }
 
 func Load(path string) (*Schema, error) {
-	b, err := os.ReadFile(path)
+	dir, file := filepath.Split(path)
+	return LoadFS(os.DirFS(dir), file)
+}
+
+func LoadFS(fsys fs.FS, path string) (*Schema, error) {
+	b, err := fs.ReadFile(fsys, path)
 	if err != nil {
 		return nil, err
 	}

libs/jsonschema/schema_test.go

@@ -1,6 +1,7 @@
 package jsonschema
 
 import (
+	"os"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -305,3 +306,9 @@ func TestValidateSchemaSkippedPropertiesHaveDefaults(t *testing.T) {
 	err = s.validate()
 	assert.NoError(t, err)
 }
+
+func TestSchema_LoadFS(t *testing.T) {
+	fsys := os.DirFS("./testdata/schema-load-int")
+	_, err := LoadFS(fsys, "schema-valid.json")
+	assert.NoError(t, err)
+}

libs/template/builtin.go

@@ -0,0 +1,47 @@
+package template
+
+import (
+	"embed"
+	"io/fs"
+)
+
+//go:embed all:templates
+var builtinTemplates embed.FS
+
+// BuiltinTemplate represents a template that is built into the CLI.
+type BuiltinTemplate struct {
+	Name string
+	FS   fs.FS
+}
+
+// Builtin returns the list of all built-in templates.
+func Builtin() ([]BuiltinTemplate, error) {
+	templates, err := fs.Sub(builtinTemplates, "templates")
+	if err != nil {
+		return nil, err
+	}
+
+	entries, err := fs.ReadDir(templates, ".")
+	if err != nil {
+		return nil, err
+	}
+
+	var out []BuiltinTemplate
+	for _, entry := range entries {
+		if !entry.IsDir() {
+			continue
+		}
+
+		templateFS, err := fs.Sub(templates, entry.Name())
+		if err != nil {
+			return nil, err
+		}
+
+		out = append(out, BuiltinTemplate{
+			Name: entry.Name(),
+			FS:   templateFS,
+		})
+	}
+
+	return out, nil
+}

libs/template/builtin_test.go

@@ -0,0 +1,28 @@
+package template
+
+import (
+	"io/fs"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestBuiltin(t *testing.T) {
+	out, err := Builtin()
+	require.NoError(t, err)
+	assert.Len(t, out, 3)
+
+	// Confirm names.
+	assert.Equal(t, "dbt-sql", out[0].Name)
+	assert.Equal(t, "default-python", out[1].Name)
+	assert.Equal(t, "default-sql", out[2].Name)
+
+	// Confirm that the filesystems work.
+	_, err = fs.Stat(out[0].FS, `template/{{.project_name}}/dbt_project.yml.tmpl`)
+	assert.NoError(t, err)
+	_, err = fs.Stat(out[1].FS, `template/{{.project_name}}/tests/main_test.py.tmpl`)
+	assert.NoError(t, err)
+	_, err = fs.Stat(out[2].FS, `template/{{.project_name}}/src/orders_daily.sql.tmpl`)
+	assert.NoError(t, err)
+}

libs/template/config.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"io/fs"
 
 	"github.com/databricks/cli/libs/cmdio"
 	"github.com/databricks/cli/libs/jsonschema"
@@ -28,9 +29,8 @@ type config struct {
 	schema *jsonschema.Schema
 }
 
-func newConfig(ctx context.Context, schemaPath string) (*config, error) {
+func newConfig(ctx context.Context, templateFS fs.FS, schemaPath string) (*config, error) {
-	// Read config schema
+	schema, err := jsonschema.LoadFS(templateFS, schemaPath)
-	schema, err := jsonschema.Load(schemaPath)
 	if err != nil {
 		return nil, err
 	}

libs/template/config_test.go

@@ -3,6 +3,8 @@ package template
 import (
 	"context"
 	"fmt"
+	"os"
+	"path"
 	"path/filepath"
 	"testing"
 	"text/template"
@@ -16,7 +18,7 @@ func TestTemplateConfigAssignValuesFromFile(t *testing.T) {
 	testDir := "./testdata/config-assign-from-file"
 
 	ctx := context.Background()
-	c, err := newConfig(ctx, filepath.Join(testDir, "schema.json"))
+	c, err := newConfig(ctx, os.DirFS(testDir), "schema.json")
 	require.NoError(t, err)
 
 	err = c.assignValuesFromFile(filepath.Join(testDir, "config.json"))
@@ -32,7 +34,7 @@ func TestTemplateConfigAssignValuesFromFileDoesNotOverwriteExistingConfigs(t *te
 	testDir := "./testdata/config-assign-from-file"
 
 	ctx := context.Background()
-	c, err := newConfig(ctx, filepath.Join(testDir, "schema.json"))
+	c, err := newConfig(ctx, os.DirFS(testDir), "schema.json")
 	require.NoError(t, err)
 
 	c.values = map[string]any{
@@ -52,7 +54,7 @@ func TestTemplateConfigAssignValuesFromFileForInvalidIntegerValue(t *testing.T)
 	testDir := "./testdata/config-assign-from-file-invalid-int"
 
 	ctx := context.Background()
-	c, err := newConfig(ctx, filepath.Join(testDir, "schema.json"))
+	c, err := newConfig(ctx, os.DirFS(testDir), "schema.json")
 	require.NoError(t, err)
 
 	err = c.assignValuesFromFile(filepath.Join(testDir, "config.json"))
@@ -63,7 +65,7 @@ func TestTemplateConfigAssignValuesFromFileFiltersPropertiesNotInTheSchema(t *te
 	testDir := "./testdata/config-assign-from-file-unknown-property"
 
 	ctx := context.Background()
-	c, err := newConfig(ctx, filepath.Join(testDir, "schema.json"))
+	c, err := newConfig(ctx, os.DirFS(testDir), "schema.json")
 	require.NoError(t, err)
 
 	err = c.assignValuesFromFile(filepath.Join(testDir, "config.json"))
@@ -78,10 +80,10 @@ func TestTemplateConfigAssignValuesFromDefaultValues(t *testing.T) {
 	testDir := "./testdata/config-assign-from-default-value"
 
 	ctx := context.Background()
-	c, err := newConfig(ctx, filepath.Join(testDir, "schema.json"))
+	c, err := newConfig(ctx, os.DirFS(testDir), "schema.json")
 	require.NoError(t, err)
 
-	r, err := newRenderer(ctx, nil, nil, "./testdata/empty/template", "./testdata/empty/library", t.TempDir())
+	r, err := newRenderer(ctx, nil, nil, os.DirFS("."), "./testdata/empty/template", "./testdata/empty/library")
 	require.NoError(t, err)
 
 	err = c.assignDefaultValues(r)
@@ -97,10 +99,10 @@ func TestTemplateConfigAssignValuesFromTemplatedDefaultValues(t *testing.T) {
 	testDir := "./testdata/config-assign-from-templated-default-value"
 
 	ctx := context.Background()
-	c, err := newConfig(ctx, filepath.Join(testDir, "schema.json"))
+	c, err := newConfig(ctx, os.DirFS(testDir), "schema.json")
 	require.NoError(t, err)
 
-	r, err := newRenderer(ctx, nil, nil, filepath.Join(testDir, "template/template"), filepath.Join(testDir, "template/library"), t.TempDir())
+	r, err := newRenderer(ctx, nil, nil, os.DirFS("."), path.Join(testDir, "template/template"), path.Join(testDir, "template/library"))
 	require.NoError(t, err)
 
 	// Note: only the string value is templated.
@@ -116,7 +118,7 @@ func TestTemplateConfigAssignValuesFromTemplatedDefaultValues(t *testing.T) {
 
 func TestTemplateConfigValidateValuesDefined(t *testing.T) {
 	ctx := context.Background()
-	c, err := newConfig(ctx, "testdata/config-test-schema/test-schema.json")
+	c, err := newConfig(ctx, os.DirFS("testdata/config-test-schema"), "test-schema.json")
 	require.NoError(t, err)
 
 	c.values = map[string]any{
@@ -131,7 +133,7 @@ func TestTemplateConfigValidateValuesDefined(t *testing.T) {
 
 func TestTemplateConfigValidateTypeForValidConfig(t *testing.T) {
 	ctx := context.Background()
-	c, err := newConfig(ctx, "testdata/config-test-schema/test-schema.json")
+	c, err := newConfig(ctx, os.DirFS("testdata/config-test-schema"), "test-schema.json")
 	require.NoError(t, err)
 
 	c.values = map[string]any{
@@ -147,7 +149,7 @@ func TestTemplateConfigValidateTypeForValidConfig(t *testing.T) {
 
 func TestTemplateConfigValidateTypeForUnknownField(t *testing.T) {
 	ctx := context.Background()
-	c, err := newConfig(ctx, "testdata/config-test-schema/test-schema.json")
+	c, err := newConfig(ctx, os.DirFS("testdata/config-test-schema"), "test-schema.json")
 	require.NoError(t, err)
 
 	c.values = map[string]any{
@@ -164,7 +166,7 @@ func TestTemplateConfigValidateTypeForUnknownField(t *testing.T) {
 
 func TestTemplateConfigValidateTypeForInvalidType(t *testing.T) {
 	ctx := context.Background()
-	c, err := newConfig(ctx, "testdata/config-test-schema/test-schema.json")
+	c, err := newConfig(ctx, os.DirFS("testdata/config-test-schema"), "test-schema.json")
 	require.NoError(t, err)
 
 	c.values = map[string]any{
@@ -271,7 +273,8 @@ func TestTemplateEnumValidation(t *testing.T) {
 }
 
 func TestTemplateSchemaErrorsWithEmptyDescription(t *testing.T) {
-	_, err := newConfig(context.Background(), "./testdata/config-test-schema/invalid-test-schema.json")
+	ctx := context.Background()
+	_, err := newConfig(ctx, os.DirFS("./testdata/config-test-schema"), "invalid-test-schema.json")
 	assert.EqualError(t, err, "template property property-without-description is missing a description")
 }
 

libs/template/file.go

@@ -1,11 +1,10 @@
 package template
 
 import (
+	"bytes"
 	"context"
-	"io"
 	"io/fs"
-	"os"
+	"slices"
-	"path/filepath"
 
 	"github.com/databricks/cli/libs/filer"
 )
@@ -13,89 +12,69 @@ import (
 // Interface representing a file to be materialized from a template into a project
 // instance
 type file interface {
-	// Destination path for file. This is where the file will be created when
+	// Path of the file relative to the root of the instantiated template.
-	// PersistToDisk is called.
+	// This is where the file is written to when persisting the template to disk.
-	DstPath() *destinationPath
+	// Must be slash-separated.
+	RelPath() string
 
 	// Write file to disk at the destination path.
-	PersistToDisk() error
+	Write(ctx context.Context, out filer.Filer) error
-}
 
-type destinationPath struct {
+	// contents returns the file contents as a byte slice.
-	// Root path for the project instance. This path uses the system's default
+	// This is used for testing purposes.
-	// file separator. For example /foo/bar on Unix and C:\foo\bar on windows
+	contents() ([]byte, error)
-	root string
-
-	// Unix like file path relative to the "root" of the instantiated project. Is used to
-	// evaluate whether the file should be skipped by comparing it to a list of
-	// skip glob patterns.
-	relPath string
-}
-
-// Absolute path of the file, in the os native format. For example /foo/bar on
-// Unix and C:\foo\bar on windows
-func (f *destinationPath) absPath() string {
-	return filepath.Join(f.root, filepath.FromSlash(f.relPath))
 }
 
 type copyFile struct {
-	ctx context.Context
-
 	// Permissions bits for the destination file
 	perm fs.FileMode
 
-	dstPath *destinationPath
+	// Destination path for the file.
+	relPath string
 
-	// Filer rooted at template root. Used to read srcPath.
+	// [fs.FS] rooted at template root. Used to read srcPath.
-	srcFiler filer.Filer
+	srcFS fs.FS
 
 	// Relative path from template root for file to be copied.
 	srcPath string
 }
 
-func (f *copyFile) DstPath() *destinationPath {
+func (f *copyFile) RelPath() string {
-	return f.dstPath
+	return f.relPath
 }
 
-func (f *copyFile) PersistToDisk() error {
+func (f *copyFile) Write(ctx context.Context, out filer.Filer) error {
-	path := f.DstPath().absPath()
+	src, err := f.srcFS.Open(f.srcPath)
-	err := os.MkdirAll(filepath.Dir(path), 0755)
 	if err != nil {
 		return err
 	}
-	srcFile, err := f.srcFiler.Read(f.ctx, f.srcPath)
+	defer src.Close()
-	if err != nil {
+	return out.Write(ctx, f.relPath, src, filer.CreateParentDirectories, filer.WriteMode(f.perm))
-		return err
+}
-	}
+
-	defer srcFile.Close()
+func (f *copyFile) contents() ([]byte, error) {
-	dstFile, err := os.OpenFile(path, os.O_CREATE|os.O_EXCL|os.O_WRONLY, f.perm)
+	return fs.ReadFile(f.srcFS, f.srcPath)
-	if err != nil {
-		return err
-	}
-	defer dstFile.Close()
-	_, err = io.Copy(dstFile, srcFile)
-	return err
 }
 
 type inMemoryFile struct {
-	dstPath *destinationPath
-
-	content []byte
-
 	// Permissions bits for the destination file
 	perm fs.FileMode
+
+	// Destination path for the file.
+	relPath string
+
+	// Contents of the file.
+	content []byte
 }
 
-func (f *inMemoryFile) DstPath() *destinationPath {
+func (f *inMemoryFile) RelPath() string {
-	return f.dstPath
+	return f.relPath
 }
 
-func (f *inMemoryFile) PersistToDisk() error {
+func (f *inMemoryFile) Write(ctx context.Context, out filer.Filer) error {
-	path := f.DstPath().absPath()
+	return out.Write(ctx, f.relPath, bytes.NewReader(f.content), filer.CreateParentDirectories, filer.WriteMode(f.perm))
-
+}
-	err := os.MkdirAll(filepath.Dir(path), 0755)
+
-	if err != nil {
+func (f *inMemoryFile) contents() ([]byte, error) {
-		return err
+	return slices.Clone(f.content), nil
-	}
-	return os.WriteFile(path, f.content, f.perm)
 }

libs/template/file_test.go

@@ -13,76 +13,51 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func testInMemoryFile(t *testing.T, perm fs.FileMode) {
+func testInMemoryFile(t *testing.T, ctx context.Context, perm fs.FileMode) {
 	tmpDir := t.TempDir()
 
 	f := &inMemoryFile{
-		dstPath: &destinationPath{
-			root:    tmpDir,
-			relPath: "a/b/c",
-		},
 		perm:    perm,
+		relPath: "a/b/c",
 		content: []byte("123"),
 	}
-	err := f.PersistToDisk()
+
+	out, err := filer.NewLocalClient(tmpDir)
+	require.NoError(t, err)
+	err = f.Write(ctx, out)
 	assert.NoError(t, err)
 
 	assertFileContent(t, filepath.Join(tmpDir, "a/b/c"), "123")
 	assertFilePermissions(t, filepath.Join(tmpDir, "a/b/c"), perm)
 }
 
-func testCopyFile(t *testing.T, perm fs.FileMode) {
+func testCopyFile(t *testing.T, ctx context.Context, perm fs.FileMode) {
 	tmpDir := t.TempDir()
-
+	err := os.WriteFile(filepath.Join(tmpDir, "source"), []byte("qwerty"), perm)
-	templateFiler, err := filer.NewLocalClient(tmpDir)
-	require.NoError(t, err)
-	err = os.WriteFile(filepath.Join(tmpDir, "source"), []byte("qwerty"), perm)
 	require.NoError(t, err)
 
 	f := &copyFile{
-		ctx: context.Background(),
+		perm:    perm,
-		dstPath: &destinationPath{
+		relPath: "a/b/c",
-			root:    tmpDir,
+		srcFS:   os.DirFS(tmpDir),
-			relPath: "a/b/c",
+		srcPath: "source",
-		},
-		perm:     perm,
-		srcPath:  "source",
-		srcFiler: templateFiler,
 	}
-	err = f.PersistToDisk()
+
+	out, err := filer.NewLocalClient(tmpDir)
+	require.NoError(t, err)
+	err = f.Write(ctx, out)
 	assert.NoError(t, err)
 
 	assertFileContent(t, filepath.Join(tmpDir, "a/b/c"), "qwerty")
 	assertFilePermissions(t, filepath.Join(tmpDir, "a/b/c"), perm)
 }
 
-func TestTemplateFileDestinationPath(t *testing.T) {
-	if runtime.GOOS == "windows" {
-		t.SkipNow()
-	}
-	f := &destinationPath{
-		root:    `a/b/c`,
-		relPath: "d/e",
-	}
-	assert.Equal(t, `a/b/c/d/e`, f.absPath())
-}
-
-func TestTemplateFileDestinationPathForWindows(t *testing.T) {
-	if runtime.GOOS != "windows" {
-		t.SkipNow()
-	}
-	f := &destinationPath{
-		root:    `c:\a\b\c`,
-		relPath: "d/e",
-	}
-	assert.Equal(t, `c:\a\b\c\d\e`, f.absPath())
-}
-
 func TestTemplateInMemoryFilePersistToDisk(t *testing.T) {
 	if runtime.GOOS == "windows" {
 		t.SkipNow()
 	}
-	testInMemoryFile(t, 0755)
+	ctx := context.Background()
+	testInMemoryFile(t, ctx, 0755)
 }
 
 func TestTemplateInMemoryFilePersistToDiskForWindows(t *testing.T) {
@@ -91,14 +66,16 @@ func TestTemplateInMemoryFilePersistToDiskForWindows(t *testing.T) {
 	}
 	// we have separate tests for windows because of differences in valid
 	// fs.FileMode values we can use for different operating systems.
-	testInMemoryFile(t, 0666)
+	ctx := context.Background()
+	testInMemoryFile(t, ctx, 0666)
 }
 
 func TestTemplateCopyFilePersistToDisk(t *testing.T) {
 	if runtime.GOOS == "windows" {
 		t.SkipNow()
 	}
-	testCopyFile(t, 0644)
+	ctx := context.Background()
+	testCopyFile(t, ctx, 0644)
 }
 
 func TestTemplateCopyFilePersistToDiskForWindows(t *testing.T) {
@@ -107,5 +84,6 @@ func TestTemplateCopyFilePersistToDiskForWindows(t *testing.T) {
 	}
 	// we have separate tests for windows because of differences in valid
 	// fs.FileMode values we can use for different operating systems.
-	testCopyFile(t, 0666)
+	ctx := context.Background()
+	testCopyFile(t, ctx, 0666)
 }

libs/template/helpers_test.go

@@ -18,11 +18,10 @@ import (
 
 func TestTemplatePrintStringWithoutProcessing(t *testing.T) {
 	ctx := context.Background()
-	tmpDir := t.TempDir()
 
 	ctx = root.SetWorkspaceClient(ctx, nil)
 	helpers := loadHelpers(ctx)
-	r, err := newRenderer(ctx, nil, helpers, "./testdata/print-without-processing/template", "./testdata/print-without-processing/library", tmpDir)
+	r, err := newRenderer(ctx, nil, helpers, os.DirFS("."), "./testdata/print-without-processing/template", "./testdata/print-without-processing/library")
 	require.NoError(t, err)
 
 	err = r.walk()
@@ -35,11 +34,10 @@ func TestTemplatePrintStringWithoutProcessing(t *testing.T) {
 
 func TestTemplateRegexpCompileFunction(t *testing.T) {
 	ctx := context.Background()
-	tmpDir := t.TempDir()
 
 	ctx = root.SetWorkspaceClient(ctx, nil)
 	helpers := loadHelpers(ctx)
-	r, err := newRenderer(ctx, nil, helpers, "./testdata/regexp-compile/template", "./testdata/regexp-compile/library", tmpDir)
+	r, err := newRenderer(ctx, nil, helpers, os.DirFS("."), "./testdata/regexp-compile/template", "./testdata/regexp-compile/library")
 	require.NoError(t, err)
 
 	err = r.walk()
@@ -53,11 +51,10 @@ func TestTemplateRegexpCompileFunction(t *testing.T) {
 
 func TestTemplateRandIntFunction(t *testing.T) {
 	ctx := context.Background()
-	tmpDir := t.TempDir()
 
 	ctx = root.SetWorkspaceClient(ctx, nil)
 	helpers := loadHelpers(ctx)
-	r, err := newRenderer(ctx, nil, helpers, "./testdata/random-int/template", "./testdata/random-int/library", tmpDir)
+	r, err := newRenderer(ctx, nil, helpers, os.DirFS("."), "./testdata/random-int/template", "./testdata/random-int/library")
 	require.NoError(t, err)
 
 	err = r.walk()
@@ -71,11 +68,10 @@ func TestTemplateRandIntFunction(t *testing.T) {
 
 func TestTemplateUuidFunction(t *testing.T) {
 	ctx := context.Background()
-	tmpDir := t.TempDir()
 
 	ctx = root.SetWorkspaceClient(ctx, nil)
 	helpers := loadHelpers(ctx)
-	r, err := newRenderer(ctx, nil, helpers, "./testdata/uuid/template", "./testdata/uuid/library", tmpDir)
+	r, err := newRenderer(ctx, nil, helpers, os.DirFS("."), "./testdata/uuid/template", "./testdata/uuid/library")
 	require.NoError(t, err)
 
 	err = r.walk()
@@ -88,11 +84,10 @@ func TestTemplateUuidFunction(t *testing.T) {
 
 func TestTemplateUrlFunction(t *testing.T) {
 	ctx := context.Background()
-	tmpDir := t.TempDir()
 
 	ctx = root.SetWorkspaceClient(ctx, nil)
 	helpers := loadHelpers(ctx)
-	r, err := newRenderer(ctx, nil, helpers, "./testdata/urlparse-function/template", "./testdata/urlparse-function/library", tmpDir)
+	r, err := newRenderer(ctx, nil, helpers, os.DirFS("."), "./testdata/urlparse-function/template", "./testdata/urlparse-function/library")
 
 	require.NoError(t, err)
 
@@ -105,11 +100,10 @@ func TestTemplateUrlFunction(t *testing.T) {
 
 func TestTemplateMapPairFunction(t *testing.T) {
 	ctx := context.Background()
-	tmpDir := t.TempDir()
 
 	ctx = root.SetWorkspaceClient(ctx, nil)
 	helpers := loadHelpers(ctx)
-	r, err := newRenderer(ctx, nil, helpers, "./testdata/map-pair/template", "./testdata/map-pair/library", tmpDir)
+	r, err := newRenderer(ctx, nil, helpers, os.DirFS("."), "./testdata/map-pair/template", "./testdata/map-pair/library")
 
 	require.NoError(t, err)
 
@@ -122,7 +116,6 @@ func TestTemplateMapPairFunction(t *testing.T) {
 
 func TestWorkspaceHost(t *testing.T) {
 	ctx := context.Background()
-	tmpDir := t.TempDir()
 
 	w := &databricks.WorkspaceClient{
 		Config: &workspaceConfig.Config{
@@ -132,7 +125,7 @@ func TestWorkspaceHost(t *testing.T) {
 	ctx = root.SetWorkspaceClient(ctx, w)
 
 	helpers := loadHelpers(ctx)
-	r, err := newRenderer(ctx, nil, helpers, "./testdata/workspace-host/template", "./testdata/map-pair/library", tmpDir)
+	r, err := newRenderer(ctx, nil, helpers, os.DirFS("."), "./testdata/workspace-host/template", "./testdata/map-pair/library")
 
 	require.NoError(t, err)
 
@@ -149,7 +142,6 @@ func TestWorkspaceHostNotConfigured(t *testing.T) {
 	ctx := context.Background()
 	cmd := cmdio.NewIO(flags.OutputJSON, strings.NewReader(""), os.Stdout, os.Stderr, "", "template")
 	ctx = cmdio.InContext(ctx, cmd)
-	tmpDir := t.TempDir()
 
 	w := &databricks.WorkspaceClient{
 		Config: &workspaceConfig.Config{},
@@ -157,7 +149,7 @@ func TestWorkspaceHostNotConfigured(t *testing.T) {
 	ctx = root.SetWorkspaceClient(ctx, w)
 
 	helpers := loadHelpers(ctx)
-	r, err := newRenderer(ctx, nil, helpers, "./testdata/workspace-host/template", "./testdata/map-pair/library", tmpDir)
+	r, err := newRenderer(ctx, nil, helpers, os.DirFS("."), "./testdata/workspace-host/template", "./testdata/map-pair/library")
 
 	assert.NoError(t, err)
 

libs/template/materialize.go

@@ -2,54 +2,32 @@ package template
 
 import (
 	"context"
-	"embed"
 	"errors"
 	"fmt"
 	"io/fs"
-	"os"
-	"path"
-	"path/filepath"
 
 	"github.com/databricks/cli/libs/cmdio"
+	"github.com/databricks/cli/libs/filer"
 )
 
 const libraryDirName = "library"
 const templateDirName = "template"
 const schemaFileName = "databricks_template_schema.json"
 
-//go:embed all:templates
-var builtinTemplates embed.FS
-
 // This function materializes the input templates as a project, using user defined
 // configurations.
 // Parameters:
 //
 //	ctx: 			context containing a cmdio object. This is used to prompt the user
 //	configFilePath: file path containing user defined config values
-//	templateRoot: 	root of the template definition
+//	templateFS: 	root of the template definition
-//	outputDir: 	root of directory where to initialize the template
+//	outputFiler: 	filer to use for writing the initialized template
-func Materialize(ctx context.Context, configFilePath, templateRoot, outputDir string) error {
+func Materialize(ctx context.Context, configFilePath string, templateFS fs.FS, outputFiler filer.Filer) error {
-	// Use a temporary directory in case any builtin templates like default-python are used
+	if _, err := fs.Stat(templateFS, schemaFileName); errors.Is(err, fs.ErrNotExist) {
-	tempDir, err := os.MkdirTemp("", "templates")
+		return fmt.Errorf("not a bundle template: expected to find a template schema file at %s", schemaFileName)
-	defer os.RemoveAll(tempDir)
-	if err != nil {
-		return err
-	}
-	templateRoot, err = prepareBuiltinTemplates(templateRoot, tempDir)
-	if err != nil {
-		return err
 	}
 
-	templatePath := filepath.Join(templateRoot, templateDirName)
+	config, err := newConfig(ctx, templateFS, schemaFileName)
-	libraryPath := filepath.Join(templateRoot, libraryDirName)
-	schemaPath := filepath.Join(templateRoot, schemaFileName)
-	helpers := loadHelpers(ctx)
-
-	if _, err := os.Stat(schemaPath); errors.Is(err, fs.ErrNotExist) {
-		return fmt.Errorf("not a bundle template: expected to find a template schema file at %s", schemaPath)
-	}
-
-	config, err := newConfig(ctx, schemaPath)
 	if err != nil {
 		return err
 	}
@@ -62,7 +40,8 @@ func Materialize(ctx context.Context, configFilePath, templateRoot, outputDir st
 		}
 	}
 
-	r, err := newRenderer(ctx, config.values, helpers, templatePath, libraryPath, outputDir)
+	helpers := loadHelpers(ctx)
+	r, err := newRenderer(ctx, config.values, helpers, templateFS, templateDirName, libraryDirName)
 	if err != nil {
 		return err
 	}
@@ -94,7 +73,7 @@ func Materialize(ctx context.Context, configFilePath, templateRoot, outputDir st
 		return err
 	}
 
-	err = r.persistToDisk()
+	err = r.persistToDisk(ctx, outputFiler)
 	if err != nil {
 		return err
 	}
@@ -111,44 +90,3 @@ func Materialize(ctx context.Context, configFilePath, templateRoot, outputDir st
 	}
 	return nil
 }
-
-// If the given templateRoot matches
-func prepareBuiltinTemplates(templateRoot string, tempDir string) (string, error) {
-	// Check that `templateRoot` is a clean basename, i.e. `some_path` and not `./some_path` or "."
-	// Return early if that's not the case.
-	if templateRoot == "." || path.Base(templateRoot) != templateRoot {
-		return templateRoot, nil
-	}
-
-	_, err := fs.Stat(builtinTemplates, path.Join("templates", templateRoot))
-	if err != nil {
-		// The given path doesn't appear to be using out built-in templates
-		return templateRoot, nil
-	}
-
-	// We have a built-in template with the same name as templateRoot!
-	// Now we need to make a fully copy of the builtin templates to a real file system
-	// since template.Parse() doesn't support embed.FS.
-	err = fs.WalkDir(builtinTemplates, "templates", func(path string, entry fs.DirEntry, err error) error {
-		if err != nil {
-			return err
-		}
-
-		targetPath := filepath.Join(tempDir, path)
-		if entry.IsDir() {
-			return os.Mkdir(targetPath, 0755)
-		} else {
-			content, err := fs.ReadFile(builtinTemplates, path)
-			if err != nil {
-				return err
-			}
-			return os.WriteFile(targetPath, content, 0644)
-		}
-	})
-
-	if err != nil {
-		return "", err
-	}
-
-	return filepath.Join(tempDir, "templates", templateRoot), nil
-}

libs/template/materialize_test.go

@@ -3,7 +3,7 @@ package template
 import (
 	"context"
 	"fmt"
-	"path/filepath"
+	"os"
 	"testing"
 
 	"github.com/databricks/cli/cmd/root"
@@ -19,6 +19,6 @@ func TestMaterializeForNonTemplateDirectory(t *testing.T) {
 	ctx := root.SetWorkspaceClient(context.Background(), w)
 
 	// Try to materialize a non-template directory.
-	err = Materialize(ctx, "", tmpDir, "")
+	err = Materialize(ctx, "", os.DirFS(tmpDir), nil)
-	assert.EqualError(t, err, fmt.Sprintf("not a bundle template: expected to find a template schema file at %s", filepath.Join(tmpDir, schemaFileName)))
+	assert.EqualError(t, err, fmt.Sprintf("not a bundle template: expected to find a template schema file at %s", schemaFileName))
 }

libs/template/renderer.go

@@ -6,9 +6,7 @@ import (
 	"fmt"
 	"io"
 	"io/fs"
-	"os"
 	"path"
-	"path/filepath"
 	"regexp"
 	"slices"
 	"sort"
@@ -52,32 +50,38 @@ type renderer struct {
 	// do not match any glob patterns from this list
 	skipPatterns []string
 
-	// Filer rooted at template root. The file tree from this root is walked to
+	// [fs.FS] that holds the template's file tree.
-	// generate the project
+	srcFS fs.FS
-	templateFiler filer.Filer
-
-	// Root directory for the project instantiated from the template
-	instanceRoot string
 }
 
-func newRenderer(ctx context.Context, config map[string]any, helpers template.FuncMap, templateRoot, libraryRoot, instanceRoot string) (*renderer, error) {
+func newRenderer(
+	ctx context.Context,
+	config map[string]any,
+	helpers template.FuncMap,
+	templateFS fs.FS,
+	templateDir string,
+	libraryDir string,
+) (*renderer, error) {
 	// Initialize new template, with helper functions loaded
 	tmpl := template.New("").Funcs(helpers)
 
-	// Load user defined associated templates from the library root
+	// Find user-defined templates in the library directory
-	libraryGlob := filepath.Join(libraryRoot, "*")
+	matches, err := fs.Glob(templateFS, path.Join(libraryDir, "*"))
-	matches, err := filepath.Glob(libraryGlob)
 	if err != nil {
 		return nil, err
 	}
+
+	// Parse user-defined templates.
+	// Note: we do not call [ParseFS] with the glob directly because
+	// it returns an error if no files match the pattern.
 	if len(matches) != 0 {
-		tmpl, err = tmpl.ParseFiles(matches...)
+		tmpl, err = tmpl.ParseFS(templateFS, matches...)
 		if err != nil {
 			return nil, err
 		}
 	}
 
-	templateFiler, err := filer.NewLocalClient(templateRoot)
+	srcFS, err := fs.Sub(templateFS, path.Clean(templateDir))
 	if err != nil {
 		return nil, err
 	}
@@ -85,13 +89,12 @@ func newRenderer(ctx context.Context, config map[string]any, helpers template.Fu
 	ctx = log.NewContext(ctx, log.GetLogger(ctx).With("action", "initialize-template"))
 
 	return &renderer{
-		ctx:           ctx,
+		ctx:          ctx,
-		config:        config,
+		config:       config,
-		baseTemplate:  tmpl,
+		baseTemplate: tmpl,
-		files:         make([]file, 0),
+		files:        make([]file, 0),
-		skipPatterns:  make([]string, 0),
+		skipPatterns: make([]string, 0),
-		templateFiler: templateFiler,
+		srcFS:        srcFS,
-		instanceRoot:  instanceRoot,
 	}, nil
 }
 
@@ -141,7 +144,7 @@ func (r *renderer) executeTemplate(templateDefinition string) (string, error) {
 
 func (r *renderer) computeFile(relPathTemplate string) (file, error) {
 	// read file permissions
-	info, err := r.templateFiler.Stat(r.ctx, relPathTemplate)
+	info, err := fs.Stat(r.srcFS, relPathTemplate)
 	if err != nil {
 		return nil, err
 	}
@@ -157,14 +160,10 @@ func (r *renderer) computeFile(relPathTemplate string) (file, error) {
 	// over as is, without treating it as a template
 	if !strings.HasSuffix(relPathTemplate, templateExtension) {
 		return &copyFile{
-			dstPath: &destinationPath{
+			perm:    perm,
-				root:    r.instanceRoot,
+			relPath: relPath,
-				relPath: relPath,
+			srcFS:   r.srcFS,
-			},
+			srcPath: relPathTemplate,
-			perm:     perm,
-			ctx:      r.ctx,
-			srcPath:  relPathTemplate,
-			srcFiler: r.templateFiler,
 		}, nil
 	} else {
 		// Trim the .tmpl suffix from file name, if specified in the template
@@ -173,7 +172,7 @@ func (r *renderer) computeFile(relPathTemplate string) (file, error) {
 	}
 
 	// read template file's content
-	templateReader, err := r.templateFiler.Read(r.ctx, relPathTemplate)
+	templateReader, err := r.srcFS.Open(relPathTemplate)
 	if err != nil {
 		return nil, err
 	}
@@ -194,11 +193,8 @@ func (r *renderer) computeFile(relPathTemplate string) (file, error) {
 	}
 
 	return &inMemoryFile{
-		dstPath: &destinationPath{
-			root:    r.instanceRoot,
-			relPath: relPath,
-		},
 		perm:    perm,
+		relPath: relPath,
 		content: []byte(content),
 	}, nil
 }
@@ -263,7 +259,7 @@ func (r *renderer) walk() error {
 		//
 		// 2. For directories: They are appended to a slice, which acts as a queue
 		//     allowing BFS traversal of the template file tree
-		entries, err := r.templateFiler.ReadDir(r.ctx, currentDirectory)
+		entries, err := fs.ReadDir(r.srcFS, currentDirectory)
 		if err != nil {
 			return err
 		}
@@ -283,7 +279,7 @@ func (r *renderer) walk() error {
 			if err != nil {
 				return err
 			}
-			logger.Infof(r.ctx, "added file to list of possible project files: %s", f.DstPath().relPath)
+			logger.Infof(r.ctx, "added file to list of possible project files: %s", f.RelPath())
 			r.files = append(r.files, f)
 		}
 
@@ -291,17 +287,17 @@ func (r *renderer) walk() error {
 	return nil
 }
 
-func (r *renderer) persistToDisk() error {
+func (r *renderer) persistToDisk(ctx context.Context, out filer.Filer) error {
 	// Accumulate files which we will persist, skipping files whose path matches
 	// any of the skip patterns
 	filesToPersist := make([]file, 0)
 	for _, file := range r.files {
-		match, err := isSkipped(file.DstPath().relPath, r.skipPatterns)
+		match, err := isSkipped(file.RelPath(), r.skipPatterns)
 		if err != nil {
 			return err
 		}
 		if match {
-			log.Infof(r.ctx, "skipping file: %s", file.DstPath())
+			log.Infof(r.ctx, "skipping file: %s", file.RelPath())
 			continue
 		}
 		filesToPersist = append(filesToPersist, file)
@@ -309,8 +305,8 @@ func (r *renderer) persistToDisk() error {
 
 	// Assert no conflicting files exist
 	for _, file := range filesToPersist {
-		path := file.DstPath().absPath()
+		path := file.RelPath()
-		_, err := os.Stat(path)
+		_, err := out.Stat(ctx, path)
 		if err == nil {
 			return fmt.Errorf("failed to initialize template, one or more files already exist: %s", path)
 		}
@@ -321,7 +317,7 @@ func (r *renderer) persistToDisk() error {
 
 	// Persist files to disk
 	for _, file := range filesToPersist {
-		err := file.PersistToDisk()
+		err := file.Write(ctx, out)
 		if err != nil {
 			return err
 		}

libs/template/renderer_test.go

@@ -3,9 +3,9 @@ package template
 import (
 	"context"
 	"fmt"
-	"io"
 	"io/fs"
 	"os"
+	"path"
 	"path/filepath"
 	"runtime"
 	"strings"
@@ -18,6 +18,7 @@ import (
 	"github.com/databricks/cli/cmd/root"
 	"github.com/databricks/cli/internal/testutil"
 	"github.com/databricks/cli/libs/diag"
+	"github.com/databricks/cli/libs/filer"
 	"github.com/databricks/cli/libs/tags"
 	"github.com/databricks/databricks-sdk-go"
 	workspaceConfig "github.com/databricks/databricks-sdk-go/config"
@@ -41,9 +42,8 @@ func assertFilePermissions(t *testing.T, path string, perm fs.FileMode) {
 func assertBuiltinTemplateValid(t *testing.T, template string, settings map[string]any, target string, isServicePrincipal bool, build bool, tempDir string) {
 	ctx := context.Background()
 
-	templatePath, err := prepareBuiltinTemplates(template, tempDir)
+	templateFS, err := fs.Sub(builtinTemplates, path.Join("templates", template))
 	require.NoError(t, err)
-	libraryPath := filepath.Join(templatePath, "library")
 
 	w := &databricks.WorkspaceClient{
 		Config: &workspaceConfig.Config{Host: "https://myhost.com"},
@@ -58,16 +58,18 @@ func assertBuiltinTemplateValid(t *testing.T, template string, settings map[stri
 	ctx = root.SetWorkspaceClient(ctx, w)
 	helpers := loadHelpers(ctx)
 
-	renderer, err := newRenderer(ctx, settings, helpers, templatePath, libraryPath, tempDir)
+	renderer, err := newRenderer(ctx, settings, helpers, templateFS, templateDirName, libraryDirName)
 	require.NoError(t, err)
 
 	// Evaluate template
 	err = renderer.walk()
 	require.NoError(t, err)
-	err = renderer.persistToDisk()
+	out, err := filer.NewLocalClient(tempDir)
+	require.NoError(t, err)
+	err = renderer.persistToDisk(ctx, out)
 	require.NoError(t, err)
 
-	b, err := bundle.Load(ctx, filepath.Join(tempDir, "template", "my_project"))
+	b, err := bundle.Load(ctx, filepath.Join(tempDir, "my_project"))
 	require.NoError(t, err)
 	diags := bundle.Apply(ctx, b, phases.LoadNamedTarget(target))
 	require.NoError(t, diags.Error())
@@ -96,18 +98,6 @@ func assertBuiltinTemplateValid(t *testing.T, template string, settings map[stri
 	}
 }
 
-func TestPrepareBuiltInTemplatesWithRelativePaths(t *testing.T) {
-	// CWD should not be resolved as a built in template
-	dir, err := prepareBuiltinTemplates(".", t.TempDir())
-	assert.NoError(t, err)
-	assert.Equal(t, ".", dir)
-
-	// relative path should not be resolved as a built in template
-	dir, err = prepareBuiltinTemplates("./default-python", t.TempDir())
-	assert.NoError(t, err)
-	assert.Equal(t, "./default-python", dir)
-}
-
 func TestBuiltinPythonTemplateValid(t *testing.T) {
 	// Test option combinations
 	options := []string{"yes", "no"}
@@ -194,13 +184,14 @@ func TestRendererWithAssociatedTemplateInLibrary(t *testing.T) {
 	ctx := context.Background()
 	ctx = root.SetWorkspaceClient(ctx, nil)
 	helpers := loadHelpers(ctx)
-	r, err := newRenderer(ctx, nil, helpers, "./testdata/email/template", "./testdata/email/library", tmpDir)
+	r, err := newRenderer(ctx, nil, helpers, os.DirFS("."), "./testdata/email/template", "./testdata/email/library")
 	require.NoError(t, err)
 
 	err = r.walk()
 	require.NoError(t, err)
-
+	out, err := filer.NewLocalClient(tmpDir)
-	err = r.persistToDisk()
+	require.NoError(t, err)
+	err = r.persistToDisk(ctx, out)
 	require.NoError(t, err)
 
 	b, err := os.ReadFile(filepath.Join(tmpDir, "my_email"))
@@ -325,45 +316,34 @@ func TestRendererPersistToDisk(t *testing.T) {
 
 	r := &renderer{
 		ctx:          ctx,
-		instanceRoot: tmpDir,
 		skipPatterns: []string{"a/b/c", "mn*"},
 		files: []file{
 			&inMemoryFile{
-				dstPath: &destinationPath{
-					root:    tmpDir,
-					relPath: "a/b/c",
-				},
 				perm:    0444,
+				relPath: "a/b/c",
 				content: nil,
 			},
 			&inMemoryFile{
-				dstPath: &destinationPath{
-					root:    tmpDir,
-					relPath: "mno",
-				},
 				perm:    0444,
+				relPath: "mno",
 				content: nil,
 			},
 			&inMemoryFile{
-				dstPath: &destinationPath{
-					root:    tmpDir,
-					relPath: "a/b/d",
-				},
 				perm:    0444,
+				relPath: "a/b/d",
 				content: []byte("123"),
 			},
 			&inMemoryFile{
-				dstPath: &destinationPath{
-					root:    tmpDir,
-					relPath: "mmnn",
-				},
 				perm:    0444,
+				relPath: "mmnn",
 				content: []byte("456"),
 			},
 		},
 	}
 
-	err := r.persistToDisk()
+	out, err := filer.NewLocalClient(tmpDir)
+	require.NoError(t, err)
+	err = r.persistToDisk(ctx, out)
 	require.NoError(t, err)
 
 	assert.NoFileExists(t, filepath.Join(tmpDir, "a", "b", "c"))
@@ -378,10 +358,9 @@ func TestRendererPersistToDisk(t *testing.T) {
 func TestRendererWalk(t *testing.T) {
 	ctx := context.Background()
 	ctx = root.SetWorkspaceClient(ctx, nil)
-	tmpDir := t.TempDir()
 
 	helpers := loadHelpers(ctx)
-	r, err := newRenderer(ctx, nil, helpers, "./testdata/walk/template", "./testdata/walk/library", tmpDir)
+	r, err := newRenderer(ctx, nil, helpers, os.DirFS("."), "./testdata/walk/template", "./testdata/walk/library")
 	require.NoError(t, err)
 
 	err = r.walk()
@@ -389,21 +368,12 @@ func TestRendererWalk(t *testing.T) {
 
 	getContent := func(r *renderer, path string) string {
 		for _, f := range r.files {
-			if f.DstPath().relPath != path {
+			if f.RelPath() != path {
 				continue
 			}
-			switch v := f.(type) {
+			b, err := f.contents()
-			case *inMemoryFile:
+			require.NoError(t, err)
-				return strings.Trim(string(v.content), "\r\n")
+			return strings.Trim(string(b), "\r\n")
-			case *copyFile:
-				r, err := r.templateFiler.Read(context.Background(), v.srcPath)
-				require.NoError(t, err)
-				b, err := io.ReadAll(r)
-				require.NoError(t, err)
-				return strings.Trim(string(b), "\r\n")
-			default:
-				require.FailNow(t, "execution should not reach here")
-			}
 		}
 		require.FailNow(t, "file is absent: "+path)
 		return ""
@@ -419,10 +389,9 @@ func TestRendererWalk(t *testing.T) {
 func TestRendererFailFunction(t *testing.T) {
 	ctx := context.Background()
 	ctx = root.SetWorkspaceClient(ctx, nil)
-	tmpDir := t.TempDir()
 
 	helpers := loadHelpers(ctx)
-	r, err := newRenderer(ctx, nil, helpers, "./testdata/fail/template", "./testdata/fail/library", tmpDir)
+	r, err := newRenderer(ctx, nil, helpers, os.DirFS("."), "./testdata/fail/template", "./testdata/fail/library")
 	require.NoError(t, err)
 
 	err = r.walk()
@@ -432,10 +401,9 @@ func TestRendererFailFunction(t *testing.T) {
 func TestRendererSkipsDirsEagerly(t *testing.T) {
 	ctx := context.Background()
 	ctx = root.SetWorkspaceClient(ctx, nil)
-	tmpDir := t.TempDir()
 
 	helpers := loadHelpers(ctx)
-	r, err := newRenderer(ctx, nil, helpers, "./testdata/skip-dir-eagerly/template", "./testdata/skip-dir-eagerly/library", tmpDir)
+	r, err := newRenderer(ctx, nil, helpers, os.DirFS("."), "./testdata/skip-dir-eagerly/template", "./testdata/skip-dir-eagerly/library")
 	require.NoError(t, err)
 
 	err = r.walk()
@@ -452,7 +420,7 @@ func TestRendererSkipAllFilesInCurrentDirectory(t *testing.T) {
 	tmpDir := t.TempDir()
 
 	helpers := loadHelpers(ctx)
-	r, err := newRenderer(ctx, nil, helpers, "./testdata/skip-all-files-in-cwd/template", "./testdata/skip-all-files-in-cwd/library", tmpDir)
+	r, err := newRenderer(ctx, nil, helpers, os.DirFS("."), "./testdata/skip-all-files-in-cwd/template", "./testdata/skip-all-files-in-cwd/library")
 	require.NoError(t, err)
 
 	err = r.walk()
@@ -460,7 +428,9 @@ func TestRendererSkipAllFilesInCurrentDirectory(t *testing.T) {
 	// All 3 files are executed and have in memory representations
 	require.Len(t, r.files, 3)
 
-	err = r.persistToDisk()
+	out, err := filer.NewLocalClient(tmpDir)
+	require.NoError(t, err)
+	err = r.persistToDisk(ctx, out)
 	require.NoError(t, err)
 
 	entries, err := os.ReadDir(tmpDir)
@@ -472,10 +442,9 @@ func TestRendererSkipAllFilesInCurrentDirectory(t *testing.T) {
 func TestRendererSkipPatternsAreRelativeToFileDirectory(t *testing.T) {
 	ctx := context.Background()
 	ctx = root.SetWorkspaceClient(ctx, nil)
-	tmpDir := t.TempDir()
 
 	helpers := loadHelpers(ctx)
-	r, err := newRenderer(ctx, nil, helpers, "./testdata/skip-is-relative/template", "./testdata/skip-is-relative/library", tmpDir)
+	r, err := newRenderer(ctx, nil, helpers, os.DirFS("."), "./testdata/skip-is-relative/template", "./testdata/skip-is-relative/library")
 	require.NoError(t, err)
 
 	err = r.walk()
@@ -493,7 +462,7 @@ func TestRendererSkip(t *testing.T) {
 	tmpDir := t.TempDir()
 
 	helpers := loadHelpers(ctx)
-	r, err := newRenderer(ctx, nil, helpers, "./testdata/skip/template", "./testdata/skip/library", tmpDir)
+	r, err := newRenderer(ctx, nil, helpers, os.DirFS("."), "./testdata/skip/template", "./testdata/skip/library")
 	require.NoError(t, err)
 
 	err = r.walk()
@@ -502,7 +471,9 @@ func TestRendererSkip(t *testing.T) {
 	// This is because "dir2/*" matches the files in dir2, but not dir2 itself
 	assert.Len(t, r.files, 6)
 
-	err = r.persistToDisk()
+	out, err := filer.NewLocalClient(tmpDir)
+	require.NoError(t, err)
+	err = r.persistToDisk(ctx, out)
 	require.NoError(t, err)
 
 	assert.FileExists(t, filepath.Join(tmpDir, "file1"))
@@ -520,12 +491,11 @@ func TestRendererReadsPermissionsBits(t *testing.T) {
 	if runtime.GOOS != "linux" && runtime.GOOS != "darwin" {
 		t.SkipNow()
 	}
-	tmpDir := t.TempDir()
 	ctx := context.Background()
 	ctx = root.SetWorkspaceClient(ctx, nil)
 
 	helpers := loadHelpers(ctx)
-	r, err := newRenderer(ctx, nil, helpers, "./testdata/executable-bit-read/template", "./testdata/executable-bit-read/library", tmpDir)
+	r, err := newRenderer(ctx, nil, helpers, os.DirFS("."), "./testdata/executable-bit-read/template", "./testdata/executable-bit-read/library")
 	require.NoError(t, err)
 
 	err = r.walk()
@@ -533,7 +503,7 @@ func TestRendererReadsPermissionsBits(t *testing.T) {
 
 	getPermissions := func(r *renderer, path string) fs.FileMode {
 		for _, f := range r.files {
-			if f.DstPath().relPath != path {
+			if f.RelPath() != path {
 				continue
 			}
 			switch v := f.(type) {
@@ -556,6 +526,7 @@ func TestRendererReadsPermissionsBits(t *testing.T) {
 
 func TestRendererErrorOnConflictingFile(t *testing.T) {
 	tmpDir := t.TempDir()
+	ctx := context.Background()
 
 	f, err := os.Create(filepath.Join(tmpDir, "a"))
 	require.NoError(t, err)
@@ -566,17 +537,16 @@ func TestRendererErrorOnConflictingFile(t *testing.T) {
 		skipPatterns: []string{},
 		files: []file{
 			&inMemoryFile{
-				dstPath: &destinationPath{
-					root:    tmpDir,
-					relPath: "a",
-				},
 				perm:    0444,
+				relPath: "a",
 				content: []byte("123"),
 			},
 		},
 	}
-	err = r.persistToDisk()
+	out, err := filer.NewLocalClient(tmpDir)
-	assert.EqualError(t, err, fmt.Sprintf("failed to initialize template, one or more files already exist: %s", filepath.Join(tmpDir, "a")))
+	require.NoError(t, err)
+	err = r.persistToDisk(ctx, out)
+	assert.EqualError(t, err, fmt.Sprintf("failed to initialize template, one or more files already exist: %s", "a"))
 }
 
 func TestRendererNoErrorOnConflictingFileIfSkipped(t *testing.T) {
@@ -593,16 +563,15 @@ func TestRendererNoErrorOnConflictingFileIfSkipped(t *testing.T) {
 		skipPatterns: []string{"a"},
 		files: []file{
 			&inMemoryFile{
-				dstPath: &destinationPath{
-					root:    tmpDir,
-					relPath: "a",
-				},
 				perm:    0444,
+				relPath: "a",
 				content: []byte("123"),
 			},
 		},
 	}
-	err = r.persistToDisk()
+	out, err := filer.NewLocalClient(tmpDir)
+	require.NoError(t, err)
+	err = r.persistToDisk(ctx, out)
 	// No error is returned even though a conflicting file exists. This is because
 	// the generated file is being skipped
 	assert.NoError(t, err)
@@ -612,10 +581,9 @@ func TestRendererNoErrorOnConflictingFileIfSkipped(t *testing.T) {
 func TestRendererNonTemplatesAreCreatedAsCopyFiles(t *testing.T) {
 	ctx := context.Background()
 	ctx = root.SetWorkspaceClient(ctx, nil)
-	tmpDir := t.TempDir()
 
 	helpers := loadHelpers(ctx)
-	r, err := newRenderer(ctx, nil, helpers, "./testdata/copy-file-walk/template", "./testdata/copy-file-walk/library", tmpDir)
+	r, err := newRenderer(ctx, nil, helpers, os.DirFS("."), "./testdata/copy-file-walk/template", "./testdata/copy-file-walk/library")
 	require.NoError(t, err)
 
 	err = r.walk()
@@ -623,7 +591,7 @@ func TestRendererNonTemplatesAreCreatedAsCopyFiles(t *testing.T) {
 
 	assert.Len(t, r.files, 1)
 	assert.Equal(t, r.files[0].(*copyFile).srcPath, "not-a-template")
-	assert.Equal(t, r.files[0].DstPath().absPath(), filepath.Join(tmpDir, "not-a-template"))
+	assert.Equal(t, r.files[0].RelPath(), "not-a-template")
 }
 
 func TestRendererFileTreeRendering(t *testing.T) {
@@ -635,7 +603,7 @@ func TestRendererFileTreeRendering(t *testing.T) {
 	r, err := newRenderer(ctx, map[string]any{
 		"dir_name":  "my_directory",
 		"file_name": "my_file",
-	}, helpers, "./testdata/file-tree-rendering/template", "./testdata/file-tree-rendering/library", tmpDir)
+	}, helpers, os.DirFS("."), "./testdata/file-tree-rendering/template", "./testdata/file-tree-rendering/library")
 	require.NoError(t, err)
 
 	err = r.walk()
@@ -643,9 +611,11 @@ func TestRendererFileTreeRendering(t *testing.T) {
 
 	// Assert in memory representation is created.
 	assert.Len(t, r.files, 1)
-	assert.Equal(t, r.files[0].DstPath().absPath(), filepath.Join(tmpDir, "my_directory", "my_file"))
+	assert.Equal(t, r.files[0].RelPath(), "my_directory/my_file")
 
-	err = r.persistToDisk()
+	out, err := filer.NewLocalClient(tmpDir)
+	require.NoError(t, err)
+	err = r.persistToDisk(ctx, out)
 	require.NoError(t, err)
 
 	// Assert files and directories are correctly materialized.
@@ -667,8 +637,7 @@ func TestRendererSubTemplateInPath(t *testing.T) {
 	// https://learn.microsoft.com/en-us/windows/win32/fileio/naming-a-file.
 	testutil.Touch(t, filepath.Join(templateDir, "template/{{template `dir_name`}}/{{template `file_name`}}"))
 
-	tmpDir := t.TempDir()
+	r, err := newRenderer(ctx, nil, nil, os.DirFS(templateDir), "template", "library")
-	r, err := newRenderer(ctx, nil, nil, filepath.Join(templateDir, "template"), filepath.Join(templateDir, "library"), tmpDir)
 	require.NoError(t, err)
 
 	err = r.walk()
@@ -676,7 +645,6 @@ func TestRendererSubTemplateInPath(t *testing.T) {
 
 	if assert.Len(t, r.files, 2) {
 		f := r.files[1]
-		assert.Equal(t, filepath.Join(tmpDir, "my_directory", "my_file"), f.DstPath().absPath())
+		assert.Equal(t, "my_directory/my_file", f.RelPath())
-		assert.Equal(t, "my_directory/my_file", f.DstPath().relPath)
 	}
 }