databricks-cli/libs/sync/path.go

87 lines
2.4 KiB
Go

package sync
import (
"context"
"fmt"
"path"
"strings"
"github.com/databricks/cli/libs/log"
"github.com/databricks/databricks-sdk-go"
"github.com/databricks/databricks-sdk-go/apierr"
"github.com/databricks/databricks-sdk-go/service/iam"
"github.com/databricks/databricks-sdk-go/service/workspace"
)
func repoPathForPath(me *iam.User, remotePath string) string {
base := path.Clean(fmt.Sprintf("/Repos/%s", me.UserName))
remotePath = path.Clean(remotePath)
for strings.HasPrefix(path.Dir(remotePath), base) && path.Dir(remotePath) != base {
remotePath = path.Dir(remotePath)
}
return remotePath
}
// EnsureRemotePathIsUsable checks if the specified path is nested under
// expected base paths and if it is a directory or repository.
func EnsureRemotePathIsUsable(ctx context.Context, wsc *databricks.WorkspaceClient, remotePath string, me *iam.User) error {
var err error
// TODO: we should cache CurrentUser.Me at the SDK level
// for now we let clients pass in any existing user they might already have
if me == nil {
me, err = wsc.CurrentUser.Me(ctx)
if err != nil {
return err
}
}
// Ensure that the remote path exists.
// If it is a repo, it has to exist.
// If it is a workspace path, it may not exist.
info, err := wsc.Workspace.GetStatusByPath(ctx, remotePath)
if err != nil {
// We only deal with 404s below.
if !apierr.IsMissing(err) {
return err
}
// If the path is nested under a repo, the repo has to exist.
if strings.HasPrefix(remotePath, "/Repos/") {
repoPath := repoPathForPath(me, remotePath)
_, err = wsc.Workspace.GetStatusByPath(ctx, repoPath)
if err != nil && apierr.IsMissing(err) {
return fmt.Errorf("%s does not exist; please create it first", repoPath)
}
}
// The workspace path doesn't exist. Create it and try again.
err = wsc.Workspace.MkdirsByPath(ctx, remotePath)
if err != nil {
return fmt.Errorf("unable to create directory at %s: %w", remotePath, err)
}
info, err = wsc.Workspace.GetStatusByPath(ctx, remotePath)
if err != nil {
return err
}
}
log.Debugf(
ctx,
"Path %s has type %s (ID: %d)",
info.Path,
strings.ToLower(info.ObjectType.String()),
info.ObjectId,
)
// We expect the object at path to be a directory or a repo.
switch info.ObjectType {
case workspace.ObjectTypeDirectory:
return nil
case workspace.ObjectTypeRepo:
return nil
}
return fmt.Errorf("%s points to a %s", remotePath, strings.ToLower(info.ObjectType.String()))
}