databricks-cli/bundle/libraries/filer_volume.go

71 lines
2.4 KiB
Go

package libraries
import (
"context"
"fmt"
"path"
"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/dyn/dynvar"
"github.com/databricks/cli/libs/filer"
)
func ExtractVolumeFromPath(artifactPath string) (string, string, string, error) {
if !IsVolumesPath(artifactPath) {
return "", "", "", fmt.Errorf("expected artifact_path to start with /Volumes/, got %s", artifactPath)
}
parts := strings.Split(artifactPath, "/")
volumeFormatErr := fmt.Errorf("expected UC volume path to be in the format /Volumes/<catalog>/<schema>/<volume>/..., got %s", artifactPath)
// Incorrect format.
if len(parts) < 5 {
return "", "", "", volumeFormatErr
}
catalogName := parts[2]
schemaName := parts[3]
volumeName := parts[4]
// Incorrect format.
if catalogName == "" || schemaName == "" || volumeName == "" {
return "", "", "", volumeFormatErr
}
return catalogName, schemaName, volumeName, nil
}
func filerForVolume(ctx context.Context, b *bundle.Bundle) (filer.Filer, string, diag.Diagnostics) {
w := b.WorkspaceClient()
uploadPath := path.Join(b.Config.Workspace.ArtifactPath, InternalDirName)
f, err := filer.NewFilesClient(w, uploadPath)
return f, uploadPath, diag.FromErr(err)
}
func FindVolumeInBundle(r config.Root, catalogName, schemaName, volumeName string) (dyn.Path, []dyn.Location, bool) {
volumes := r.Resources.Volumes
for k, v := range volumes {
if v.CatalogName != catalogName || v.Name != volumeName {
continue
}
// UC schemas can be defined in the bundle itself, and thus might be interpolated
// at runtime via the ${resources.schemas.<name>} syntax. Thus we match the volume
// definition if the schema name is the same as the one in the bundle, or if the
// schema name is interpolated.
// We only have to check for ${resources.schemas...} references because any
// other valid reference (like ${var.foo}) would have been interpolated by this point.
p, ok := dynvar.PureReferenceToPath(v.SchemaName)
isSchemaDefinedInBundle := ok && p.HasPrefix(dyn.Path{dyn.Key("resources"), dyn.Key("schemas")})
if v.SchemaName != schemaName && !isSchemaDefinedInBundle {
continue
}
pathString := fmt.Sprintf("resources.volumes.%s", k)
return dyn.MustPathFromString(pathString), r.GetLocations(pathString), true
}
return nil, nil, false
}