databricks-cli/bundle/artifacts/artifacts.go

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package artifacts
import (
"bytes"
"context"
"errors"
"fmt"
"os"
"path"
"path/filepath"
"github.com/databricks/cli/bundle"
"github.com/databricks/cli/bundle/artifacts/whl"
"github.com/databricks/cli/bundle/config"
"github.com/databricks/cli/bundle/config/resources"
"github.com/databricks/cli/libs/cmdio"
"github.com/databricks/cli/libs/diag"
"github.com/databricks/cli/libs/filer"
"github.com/databricks/cli/libs/log"
)
type mutatorFactory = func(name string) bundle.Mutator
var buildMutators map[config.ArtifactType]mutatorFactory = map[config.ArtifactType]mutatorFactory{
config.ArtifactPythonWheel: whl.Build,
}
var uploadMutators map[config.ArtifactType]mutatorFactory = map[config.ArtifactType]mutatorFactory{}
func getBuildMutator(t config.ArtifactType, name string) bundle.Mutator {
mutatorFactory, ok := buildMutators[t]
if !ok {
mutatorFactory = BasicBuild
}
return mutatorFactory(name)
}
func getUploadMutator(t config.ArtifactType, name string) bundle.Mutator {
mutatorFactory, ok := uploadMutators[t]
if !ok {
mutatorFactory = BasicUpload
}
return mutatorFactory(name)
}
// Basic Build defines a general build mutator which builds artifact based on artifact.BuildCommand
type basicBuild struct {
name string
}
func BasicBuild(name string) bundle.Mutator {
return &basicBuild{name: name}
}
func (m *basicBuild) Name() string {
return fmt.Sprintf("artifacts.Build(%s)", m.name)
}
func (m *basicBuild) Apply(ctx context.Context, b *bundle.Bundle) diag.Diagnostics {
artifact, ok := b.Config.Artifacts[m.name]
if !ok {
return diag.Errorf("artifact doesn't exist: %s", m.name)
}
cmdio.LogString(ctx, fmt.Sprintf("Building %s...", m.name))
out, err := artifact.Build(ctx)
if err != nil {
return diag.Errorf("build for %s failed, error: %v, output: %s", m.name, err, out)
}
log.Infof(ctx, "Build succeeded")
return nil
}
// Basic Upload defines a general upload mutator which uploads artifact as a library to workspace
type basicUpload struct {
name string
}
func BasicUpload(name string) bundle.Mutator {
return &basicUpload{name: name}
}
func (m *basicUpload) Name() string {
return fmt.Sprintf("artifacts.Upload(%s)", m.name)
}
func (m *basicUpload) Apply(ctx context.Context, b *bundle.Bundle) diag.Diagnostics {
artifact, ok := b.Config.Artifacts[m.name]
if !ok {
return diag.Errorf("artifact doesn't exist: %s", m.name)
}
if len(artifact.Files) == 0 {
return diag.Errorf("artifact source is not configured: %s", m.name)
}
uploadPath, err := getUploadBasePath(b)
if err != nil {
return diag.FromErr(err)
}
client, err := filer.NewWorkspaceFilesClient(b.WorkspaceClient(), uploadPath)
if err != nil {
return diag.FromErr(err)
}
err = uploadArtifact(ctx, b, artifact, uploadPath, client)
if err != nil {
return diag.Errorf("upload for %s failed, error: %v", m.name, err)
}
return nil
}
func uploadArtifact(ctx context.Context, b *bundle.Bundle, a *config.Artifact, uploadPath string, client filer.Filer) error {
for i := range a.Files {
f := &a.Files[i]
filename := filepath.Base(f.Source)
cmdio.LogString(ctx, fmt.Sprintf("Uploading %s...", filename))
err := uploadArtifactFile(ctx, f.Source, client)
if err != nil {
return err
}
log.Infof(ctx, "Upload succeeded")
f.RemotePath = path.Join(uploadPath, filepath.Base(f.Source))
// TODO: confirm if we still need to update the remote path to start with /Workspace
wsfsBase := "/Workspace"
remotePath := path.Join(wsfsBase, f.RemotePath)
for _, job := range b.Config.Resources.Jobs {
rewriteArtifactPath(b, f, job, remotePath)
}
}
return nil
}
func rewriteArtifactPath(b *bundle.Bundle, f *config.ArtifactFile, job *resources.Job, remotePath string) {
// Rewrite artifact path in job task libraries
for i := range job.Tasks {
task := &job.Tasks[i]
for j := range task.Libraries {
lib := &task.Libraries[j]
if lib.Whl != "" && isArtifactMatchLibrary(f, lib.Whl, b) {
lib.Whl = remotePath
}
if lib.Jar != "" && isArtifactMatchLibrary(f, lib.Jar, b) {
lib.Jar = remotePath
}
}
// Rewrite artifact path in job task libraries for ForEachTask
if task.ForEachTask != nil {
forEachTask := task.ForEachTask
for j := range forEachTask.Task.Libraries {
lib := &forEachTask.Task.Libraries[j]
if lib.Whl != "" && isArtifactMatchLibrary(f, lib.Whl, b) {
lib.Whl = remotePath
}
if lib.Jar != "" && isArtifactMatchLibrary(f, lib.Jar, b) {
lib.Jar = remotePath
}
}
}
}
// Rewrite artifact path in job environments
for i := range job.Environments {
env := &job.Environments[i]
if env.Spec == nil {
continue
}
for j := range env.Spec.Dependencies {
lib := env.Spec.Dependencies[j]
if isArtifactMatchLibrary(f, lib, b) {
env.Spec.Dependencies[j] = remotePath
}
}
}
}
func isArtifactMatchLibrary(f *config.ArtifactFile, libPath string, b *bundle.Bundle) bool {
if !filepath.IsAbs(libPath) {
libPath = filepath.Join(b.RootPath, libPath)
}
// libPath can be a glob pattern, so do the match first
matches, err := filepath.Glob(libPath)
if err != nil {
return false
}
for _, m := range matches {
if m == f.Source {
return true
}
}
return false
}
// Function to upload artifact file to Workspace
func uploadArtifactFile(ctx context.Context, file string, client filer.Filer) error {
raw, err := os.ReadFile(file)
if err != nil {
return fmt.Errorf("unable to read %s: %w", file, errors.Unwrap(err))
}
filename := filepath.Base(file)
err = client.Write(ctx, filename, bytes.NewReader(raw), filer.OverwriteIfExists, filer.CreateParentDirectories)
if err != nil {
return fmt.Errorf("unable to import %s: %w", filename, err)
}
return nil
}
func getUploadBasePath(b *bundle.Bundle) (string, error) {
artifactPath := b.Config.Workspace.ArtifactPath
if artifactPath == "" {
return "", fmt.Errorf("remote artifact path not configured")
}
return path.Join(artifactPath, ".internal"), nil
}