Bug Fix: Graceful Handling of Missing Helm Releases in Unmanaged State (#622)

Signed-off-by: Smyslov Maxim <maksim.smyslov@flant.com>
Co-authored-by: Smyslov Maxim <maksim.smyslov@flant.com>

Author: riptide-01

pkg/helm/helm3lib/helm3lib.go

@@ -364,7 +364,7 @@ func (h *LibClient) GetReleaseLabels(releaseName, labelName string) (string, err
 	gv := action.NewGet(actionConfig)
 	rel, err := gv.Run(releaseName)
 	if err != nil {
-		return "", fmt.Errorf("helm get failed: %s", err)
+		return "", fmt.Errorf("helm get failed: %w", err)
 	}
 
 	if value, ok := rel.Labels[labelName]; ok {

pkg/module_manager/models/modules/helm.go

@@ -14,6 +14,7 @@ import (
 	"github.com/gofrs/uuid/v5"
 	"github.com/kennygrant/sanitize"
 	"go.opentelemetry.io/otel"
+	"helm.sh/helm/v3/pkg/storage/driver"
 
 	"github.com/flant/addon-operator/pkg"
 	"github.com/flant/addon-operator/pkg/helm"
@@ -210,7 +211,7 @@ func (hm *HelmModule) RunHelmInstall(ctx context.Context, logLabels map[string]s
 
 	if state == Unmanaged {
 		isUnmanaged, err := helmClient.GetReleaseLabels(helmReleaseName, LabelMaintenanceNoResourceReconciliation)
-		if err != nil && !errors.Is(err, helm3lib.ErrLabelIsNotFound) {
+		if err != nil && !errors.Is(err, helm3lib.ErrLabelIsNotFound) && !errors.Is(err, driver.ErrReleaseNotFound) {
 			return fmt.Errorf("get release label failed: %w", err)
 		}