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source-controller
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storage: add CopyFromPath method

This commit is contained in:
Hidde Beydals 2020-09-21 22:53:16 +02:00
parent 270b6a5c0c
commit 4da80b65e5
2 changed files with 35 additions and 37 deletions
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60
controllers/helmchart_controller.go
View File

@ -238,10 +238,10 @@ func (r *HelmChartReconciler) reconcileFromHelmRepository(ctx context.Context,
}
// Return early if the revision is still the same as the current artifact
artifact := r.Storage.NewArtifactFor(chart.Kind, chart.GetObjectMeta(), cv.Version,
newArtifact := r.Storage.NewArtifactFor(chart.Kind, chart.GetObjectMeta(), cv.Version,
fmt.Sprintf("%s-%s.tgz", cv.Name, cv.Version))
if !force && repository.GetArtifact().HasRevision(artifact.Revision) {
if artifact.URL != repository.GetArtifact().URL {
if !force && repository.GetArtifact().HasRevision(newArtifact.Revision) {
if newArtifact.URL != repository.GetArtifact().URL {
r.Storage.SetArtifactURL(chart.GetArtifact())
chart.Status.URL = r.Storage.SetHostname(chart.Status.URL)
}
@ -303,14 +303,14 @@ func (r *HelmChartReconciler) reconcileFromHelmRepository(ctx context.Context,
}
// Ensure artifact directory exists
err = r.Storage.MkdirAll(artifact)
err = r.Storage.MkdirAll(newArtifact)
if err != nil {
err = fmt.Errorf("unable to create chart directory: %w", err)
return sourcev1.HelmChartNotReady(chart, sourcev1.StorageOperationFailedReason, err.Error()), err
}
// Acquire a lock for the artifact
unlock, err := r.Storage.Lock(artifact)
unlock, err := r.Storage.Lock(newArtifact)
if err != nil {
err = fmt.Errorf("unable to acquire lock: %w", err)
return sourcev1.HelmChartNotReady(chart, sourcev1.StorageOperationFailedReason, err.Error()), err
@ -328,7 +328,7 @@ func (r *HelmChartReconciler) reconcileFromHelmRepository(ctx context.Context,
// or write the chart directly to storage.
var (
readyReason = sourcev1.ChartPullSucceededReason
readyMessage = fmt.Sprintf("Fetched revision: %s", artifact.Revision)
readyMessage = fmt.Sprintf("Fetched revision: %s", newArtifact.Revision)
)
switch {
case chart.Spec.ValuesFile != "" && chart.Spec.ValuesFile != chartutil.ValuesfileName:
@ -362,36 +362,29 @@ func (r *HelmChartReconciler) reconcileFromHelmRepository(ctx context.Context,
}
// Copy the packaged chart to the artifact path
cf, err := os.Open(pkgPath)
if err != nil {
err = fmt.Errorf("failed to open chart package: %w", err)
if err := r.Storage.CopyFromPath(&newArtifact, pkgPath); err != nil {
err = fmt.Errorf("failed to write chart package to storage: %w", err)
return sourcev1.HelmChartNotReady(chart, sourcev1.StorageOperationFailedReason, err.Error()), err
}
if err := r.Storage.Copy(&artifact, cf); err != nil {
cf.Close()
err = fmt.Errorf("failed to copy chart package to storage: %w", err)
return sourcev1.HelmChartNotReady(chart, sourcev1.StorageOperationFailedReason, err.Error()), err
}
cf.Close()
readyMessage = fmt.Sprintf("Fetched and packaged revision: %s", artifact.Revision)
readyMessage = fmt.Sprintf("Fetched and packaged revision: %s", newArtifact.Revision)
readyReason = sourcev1.ChartPackageSucceededReason
default:
// Write artifact to storage
if err := r.Storage.AtomicWriteFile(&artifact, res, 0644); err != nil {
if err := r.Storage.AtomicWriteFile(&newArtifact, res, 0644); err != nil {
err = fmt.Errorf("unable to write chart file: %w", err)
return sourcev1.HelmChartNotReady(chart, sourcev1.StorageOperationFailedReason, err.Error()), err
}
}
// Update symlink
chartUrl, err := r.Storage.Symlink(artifact, fmt.Sprintf("%s-latest.tgz", cv.Name))
chartUrl, err := r.Storage.Symlink(newArtifact, fmt.Sprintf("%s-latest.tgz", cv.Name))
if err != nil {
err = fmt.Errorf("storage error: %w", err)
return sourcev1.HelmChartNotReady(chart, sourcev1.StorageOperationFailedReason, err.Error()), err
}
return sourcev1.HelmChartReady(chart, artifact, chartUrl, readyReason, readyMessage), nil
return sourcev1.HelmChartReady(chart, newArtifact, chartUrl, readyReason, readyMessage), nil
}
func (r *HelmChartReconciler) reconcileFromTarballArtifact(ctx context.Context,
@ -432,11 +425,11 @@ func (r *HelmChartReconciler) reconcileFromTarballArtifact(ctx context.Context,
}
// Return early if the revision is still the same as the current chart artifact
chartArtifact := r.Storage.NewArtifactFor(chart.Kind, chart.ObjectMeta.GetObjectMeta(), chartMetadata.Version,
newArtifact := r.Storage.NewArtifactFor(chart.Kind, chart.ObjectMeta.GetObjectMeta(), chartMetadata.Version,
fmt.Sprintf("%s-%s.tgz", chartMetadata.Name, chartMetadata.Version))
if !force && chart.GetArtifact().HasRevision(chartArtifact.Revision) {
if chartArtifact.URL != artifact.URL {
r.Storage.SetArtifactURL(&chartArtifact)
if !force && chart.GetArtifact().HasRevision(newArtifact.Revision) {
if newArtifact.URL != artifact.URL {
r.Storage.SetArtifactURL(&newArtifact)
chart.Status.URL = r.Storage.SetHostname(chart.Status.URL)
}
return chart, nil
@ -450,14 +443,14 @@ func (r *HelmChartReconciler) reconcileFromTarballArtifact(ctx context.Context,
}
// Ensure artifact directory exists
err = r.Storage.MkdirAll(chartArtifact)
err = r.Storage.MkdirAll(newArtifact)
if err != nil {
err = fmt.Errorf("unable to create artifact directory: %w", err)
return sourcev1.HelmChartNotReady(chart, sourcev1.StorageOperationFailedReason, err.Error()), err
}
// Acquire a lock for the artifact
unlock, err := r.Storage.Lock(chartArtifact)
unlock, err := r.Storage.Lock(newArtifact)
if err != nil {
err = fmt.Errorf("unable to acquire lock: %w", err)
return sourcev1.HelmChartNotReady(chart, sourcev1.StorageOperationFailedReason, err.Error()), err
@ -475,27 +468,20 @@ func (r *HelmChartReconciler) reconcileFromTarballArtifact(ctx context.Context,
}
// Copy the packaged chart to the artifact path
cf, err := os.Open(pkgPath)
if err != nil {
err = fmt.Errorf("failed to open chart package: %w", err)
if err := r.Storage.CopyFromPath(&newArtifact, pkgPath); err != nil {
err = fmt.Errorf("failed to write chart package to storage: %w", err)
return sourcev1.HelmChartNotReady(chart, sourcev1.StorageOperationFailedReason, err.Error()), err
}
if err := r.Storage.Copy(&chartArtifact, cf); err != nil {
cf.Close()
err = fmt.Errorf("failed to copy chart package to storage: %w", err)
return sourcev1.HelmChartNotReady(chart, sourcev1.StorageOperationFailedReason, err.Error()), err
}
cf.Close()
// Update symlink
cUrl, err := r.Storage.Symlink(chartArtifact, fmt.Sprintf("%s-latest.tgz", chartMetadata.Name))
cUrl, err := r.Storage.Symlink(newArtifact, fmt.Sprintf("%s-latest.tgz", chartMetadata.Name))
if err != nil {
err = fmt.Errorf("storage error: %w", err)
return sourcev1.HelmChartNotReady(chart, sourcev1.StorageOperationFailedReason, err.Error()), err
}
message := fmt.Sprintf("Fetched and packaged revision: %s", chartArtifact.Revision)
return sourcev1.HelmChartReady(chart, chartArtifact, cUrl, sourcev1.ChartPackageSucceededReason, message), nil
message := fmt.Sprintf("Fetched and packaged revision: %s", newArtifact.Revision)
return sourcev1.HelmChartReady(chart, newArtifact, cUrl, sourcev1.ChartPackageSucceededReason, message), nil
}
// resetStatus returns a modified v1alpha1.HelmChart and a boolean indicating

12
controllers/storage.go
View File

@ -339,6 +339,18 @@ func (s *Storage) Copy(artifact *sourcev1.Artifact, reader io.Reader) (err error
return nil
}
// CopyFromPath atomically copies the contents of the given path to the path of
// the v1alpha1.Artifact. If successful, the checksum and last update time on the
// artifact is set.
func (s *Storage) CopyFromPath(artifact *sourcev1.Artifact, path string) (err error) {
f, err := os.Open(path)
if err != nil {
return err
}
defer f.Close()
return s.Copy(artifact, f)
}
// Symlink creates or updates a symbolic link for the given v1alpha1.Artifact
// and returns the URL for the symlink.
func (s *Storage) Symlink(artifact sourcev1.Artifact, linkName string) (string, error) {