mirror of https://github.com/databricks/cli.git
63 lines
1.4 KiB
Go
63 lines
1.4 KiB
Go
package terraform
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import (
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"context"
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"io"
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"os"
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"path/filepath"
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"github.com/databricks/bricks/bundle"
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"github.com/databricks/bricks/libs/filer"
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"github.com/databricks/bricks/libs/log"
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"github.com/databricks/databricks-sdk-go/apierr"
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)
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type statePull struct{}
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func (l *statePull) Name() string {
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return "terraform:state-pull"
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}
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func (l *statePull) Apply(ctx context.Context, b *bundle.Bundle) ([]bundle.Mutator, error) {
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f, err := filer.NewWorkspaceFilesClient(b.WorkspaceClient(), b.Config.Workspace.StatePath)
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if err != nil {
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return nil, err
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}
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dir, err := Dir(b)
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if err != nil {
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return nil, err
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}
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// Download state file from filer to local cache directory.
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log.Infof(ctx, "Opening remote state file")
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remote, err := f.Read(ctx, TerraformStateFileName)
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if err != nil {
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// On first deploy this state file doesn't yet exist.
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if apierr.IsMissing(err) {
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log.Infof(ctx, "Remote state file does not exist")
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return nil, nil
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}
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return nil, err
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}
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// Expect the state file to live under dir.
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local, err := os.OpenFile(filepath.Join(dir, TerraformStateFileName), os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0600)
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if err != nil {
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return nil, err
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}
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// Write file to disk.
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log.Infof(ctx, "Writing remote state file to local cache directory")
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_, err = io.Copy(local, remote)
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if err != nil {
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return nil, err
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}
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return nil, nil
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}
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func StatePull() bundle.Mutator {
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return &statePull{}
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}
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