fix(uninstall): preserve release after pre-delete failure

Signed-off-by: Vladislav Lapin <51929896+loglapa@users.noreply.github.com>

pkg/action/uninstall.go

@@ -193,14 +193,15 @@ func (u *Uninstall) Run(name string) (*releasei.UninstallReleaseResponse, error)
 	}
 
 	u.cfg.Logger().Debug("uninstall: deleting release", "name", name)
-	rel.Info.Status = common.StatusUninstalling
-	rel.Info.Deleted = time.Now()
-	rel.Info.Description = "Deletion in progress (or silently failed)"
 	res := &releasei.UninstallReleaseResponse{Release: rel}
 
 	if !u.DisableHooks {
 		serverSideApply := true
 		if err := u.cfg.execHook(rel, release.HookPreDelete, u.WaitStrategy, u.WaitOptions, u.Timeout, serverSideApply); err != nil {
+			// Persist the failed hook result without hiding the release from the
+			// deployed release list. This leaves both retrying the uninstall and
+			// upgrading the release available to the user.
+			u.cfg.recordRelease(rel)
 			return res, err
 		}
 	} else {
@@ -209,6 +210,9 @@ func (u *Uninstall) Run(name string) (*releasei.UninstallReleaseResponse, error)
 
 	// From here on out, the release is currently considered to be in StatusUninstalling
 	// state.
+	rel.Info.Status = common.StatusUninstalling
+	rel.Info.Deleted = time.Now()
+	rel.Info.Description = "Deletion in progress (or silently failed)"
 	if err := u.cfg.Releases.Update(rel); err != nil {
 		u.cfg.Logger().Debug("uninstall: Failed to store updated release", slog.Any("error", err))
 	}

pkg/action/uninstall_test.go

@@ -29,6 +29,7 @@ import (
 	"helm.sh/helm/v4/pkg/kube"
 	kubefake "helm.sh/helm/v4/pkg/kube/fake"
 	"helm.sh/helm/v4/pkg/release/common"
+	release "helm.sh/helm/v4/pkg/release/v1"
 )
 
 func uninstallAction(t *testing.T) *Uninstall {
@@ -167,6 +168,26 @@ func TestUninstallRelease_Cascade(t *testing.T) {
 	is.ErrorContains(err, "failed to delete release: come-fail-away")
 }
 
+func TestUninstallRelease_PreDeleteHookFailureKeepsReleaseDeployed(t *testing.T) {
+	unAction := uninstallAction(t)
+	rel := releaseStub()
+	require.NoError(t, unAction.cfg.Releases.Create(rel))
+
+	failer := unAction.cfg.KubeClient.(*kubefake.FailingKubeClient)
+	failer.CreateError = errors.New("pre-delete hook failed")
+
+	res, err := unAction.Run(rel.Name)
+	require.ErrorContains(t, err, "pre-delete hook failed")
+	require.NotNil(t, res)
+
+	stored, err := unAction.cfg.Releases.Get(rel.Name, rel.Version)
+	require.NoError(t, err)
+	storedRelease, err := releaserToV1Release(stored)
+	require.NoError(t, err)
+	assert.Equal(t, common.StatusDeployed, storedRelease.Info.Status)
+	assert.Equal(t, release.HookPhaseFailed, storedRelease.Hooks[0].LastRun.Phase)
+}
+
 func TestUninstallRun_UnreachableKubeClient(t *testing.T) {
 	t.Helper()
 	config := actionConfigFixture(t)