Merge pull request #1013 from fluxcd/helm-oci-download-err

helm/oci: Add context to chart download failure

Author: darkowlzz

internal/helm/chart/builder_remote_test.go

@@ -225,7 +225,7 @@ entries:
 	}
 }
 
-func TestRemoteBuilder_BuildFromOCIChatRepository(t *testing.T) {
+func TestRemoteBuilder_BuildFromOCIChartRepository(t *testing.T) {
 	g := NewWithT(t)
 
 	chartGrafana, err := os.ReadFile("./../testdata/charts/helmchart-0.1.0.tgz")
@@ -293,7 +293,7 @@ func TestRemoteBuilder_BuildFromOCIChatRepository(t *testing.T) {
 			name:       "chart version not in repository",
 			reference:  RemoteReference{Name: "grafana", Version: "1.1.1"},
 			repository: mockRepoWithoutChart(),
-			wantErr:    "failed to download chart for remote reference",
+			wantErr:    "failed to download chart for remote reference: failed to get",
 		},
 		{
 			name:       "invalid version metadata",

internal/helm/repository/oci_chart_repository.go

@@ -231,7 +231,11 @@ func (r *OCIChartRepository) DownloadChart(chart *repo.ChartVersion) (*bytes.Buf
 	defer transport.Release(t)
 
 	// trim the oci scheme prefix if needed
-	return r.Client.Get(strings.TrimPrefix(u.String(), fmt.Sprintf("%s://", registry.OCIScheme)), clientOpts...)
+	b, err := r.Client.Get(strings.TrimPrefix(u.String(), fmt.Sprintf("%s://", registry.OCIScheme)), clientOpts...)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get '%s': %w", ref, err)
+	}
+	return b, nil
 }
 
 // Login attempts to login to the OCI registry.