Change release storage name to prefix helm storage type

Signed-off-by: Martin Hickey <martin.hickey@ie.ibm.com>

pkg/storage/driver/memory.go

@@ -49,7 +49,8 @@ func (mem *Memory) Name() string {
 func (mem *Memory) Get(key string) (*rspb.Release, error) {
 	defer unlock(mem.rlock())
 
-	switch elems := strings.Split(key, ".v"); len(elems) {
+	keyWithoutPrefix := strings.TrimPrefix(key, "sh.helm.release.v1.")
+	switch elems := strings.Split(keyWithoutPrefix, ".v"); len(elems) {
 	case 2:
 		name, ver := elems[0], elems[1]
 		if _, err := strconv.Atoi(ver); err != nil {
@@ -138,7 +139,8 @@ func (mem *Memory) Update(key string, rls *rspb.Release) error {
 func (mem *Memory) Delete(key string) (*rspb.Release, error) {
 	defer unlock(mem.wlock())
 
-	elems := strings.Split(key, ".v")
+	keyWithoutPrefix := strings.TrimPrefix(key, "sh.helm.release.v1.")
+	elems := strings.Split(keyWithoutPrefix, ".v")
 
 	if len(elems) != 2 {
 		return nil, ErrInvalidKey

pkg/storage/driver/secrets.go

@@ -234,7 +234,7 @@ func newSecretsObject(key string, rls *rspb.Release, lbs labels) (*v1.Secret, er
 			Name:   key,
 			Labels: lbs.toMap(),
 		},
-		Type: "helm.sh/release",
+		Type: "helm.sh/release.v1",
 		Data: map[string][]byte{"release": []byte(s)},
 	}, nil
 }

pkg/storage/storage.go

@@ -27,6 +27,8 @@ import (
 	"helm.sh/helm/pkg/storage/driver"
 )
 
+const HelmStorageType = "sh.helm.release.v1"
+
 // Storage represents a storage engine for a Release.
 type Storage struct {
 	driver.Driver
@@ -205,11 +207,14 @@ func (s *Storage) Last(name string) (*rspb.Release, error) {
 	return h[0], nil
 }
 
-// makeKey concatenates a release name and version into
+// makeKey concatenates the helm type, a release name and version into a
-// a string with format ```<release_name>#v<version>```.
+// string with format:```<helm_storage_type>.<release_name>.v<version>```.
+// The Helm type is prepended to keep name uniqueness between different
+// release storage types. An example of clash when not using the type:
+// https://github.com/helm/helm/issues/6435.
 // This key is used to uniquely identify storage objects.
 func makeKey(rlsname string, version int) string {
-	return fmt.Sprintf("%s.v%d", rlsname, version)
+	return fmt.Sprintf("%s.%s.v%d", HelmStorageType, rlsname, version)
 }
 
 // Init initializes a new storage backend with the driver d.