fix: action hooks delete policy mutex

Signed-off-by: Terry Howe <terrylhowe@gmail.com>

pkg/action/action.go

@@ -26,6 +26,7 @@ import (
 	"path"
 	"path/filepath"
 	"strings"
+	"sync"
 	"text/template"
 
 	"k8s.io/apimachinery/pkg/api/meta"
@@ -86,6 +87,8 @@ type Configuration struct {
 
 	// HookOutputFunc called with container name and returns and expects writer that will receive the log output.
 	HookOutputFunc func(namespace, pod, container string) io.Writer
+
+	mutex sync.Mutex
 }
 
 // renderResources renders the templates in a chart

pkg/action/hooks.go

@@ -49,13 +49,7 @@ func (cfg *Configuration) execHook(rl *release.Release, hook release.HookEvent,
 
 	for i, h := range executingHooks {
 		// Set default delete policy to before-hook-creation
-		if len(h.DeletePolicies) == 0 {
+		cfg.hookSetDeletePolicy(h)
-			// TODO(jlegrone): Only apply before-hook-creation delete policy to run to completion
-			//                 resources. For all other resource types update in place if a
-			//                 resource with the same name already exists and is owned by the
-			//                 current release.
-			h.DeletePolicies = []release.HookDeletePolicy{release.HookBeforeHookCreation}
-		}
 
 		if err := cfg.deleteHookByPolicy(h, release.HookBeforeHookCreation, waitStrategy, timeout); err != nil {
 			return err
@@ -154,7 +148,7 @@ func (cfg *Configuration) deleteHookByPolicy(h *release.Hook, policy release.Hoo
 	if h.Kind == "CustomResourceDefinition" {
 		return nil
 	}
-	if hookHasDeletePolicy(h, policy) {
+	if cfg.hookHasDeletePolicy(h, policy) {
 		resources, err := cfg.KubeClient.Build(bytes.NewBufferString(h.Manifest), false)
 		if err != nil {
 			return fmt.Errorf("unable to build kubernetes object for deleting hook %s: %w", h.Path, err)
@@ -188,10 +182,26 @@ func (cfg *Configuration) deleteHooksByPolicy(hooks []*release.Hook, policy rele
 
 // hookHasDeletePolicy determines whether the defined hook deletion policy matches the hook deletion polices
 // supported by helm. If so, mark the hook as one should be deleted.
-func hookHasDeletePolicy(h *release.Hook, policy release.HookDeletePolicy) bool {
+func (cfg *Configuration) hookHasDeletePolicy(h *release.Hook, policy release.HookDeletePolicy) bool {
+	cfg.mutex.Lock()
+	defer cfg.mutex.Unlock()
 	return slices.Contains(h.DeletePolicies, policy)
 }
 
+// hookClearDeletePolicy determines whether the defined hook deletion policy matches the hook deletion polices
+// supported by helm. If so, mark the hook as one should be deleted.
+func (cfg *Configuration) hookSetDeletePolicy(h *release.Hook) {
+	cfg.mutex.Lock()
+	defer cfg.mutex.Unlock()
+	if len(h.DeletePolicies) == 0 {
+		// TODO(jlegrone): Only apply before-hook-creation delete policy to run to completion
+		//                 resources. For all other resource types update in place if a
+		//                 resource with the same name already exists and is owned by the
+		//                 current release.
+		h.DeletePolicies = []release.HookDeletePolicy{release.HookBeforeHookCreation}
+	}
+}
+
 // outputLogsByPolicy outputs a pods logs if the hook policy instructs it to
 func (cfg *Configuration) outputLogsByPolicy(h *release.Hook, releaseNamespace string, policy release.HookOutputLogPolicy) error {
 	if !hookHasOutputLogPolicy(h, policy) {