Add Custom metadata field to alias

changelog/12502.txt

@@ -0,0 +1,3 @@
+```release-note:feature
+core: adds custom_metadata field for aliases
+```

helper/identity/identity.go

@@ -75,12 +75,13 @@ func ToSDKAlias(a *Alias) *logical.Alias {
 	}
 
 	return &logical.Alias{
-		Name:          a.Name,
-		ID:            a.ID,
-		MountAccessor: a.MountAccessor,
-		MountType:     a.MountType,
-		Metadata:      metadata,
-		NamespaceID:   a.NamespaceID,
+		Name:           a.Name,
+		ID:             a.ID,
+		MountAccessor:  a.MountAccessor,
+		MountType:      a.MountType,
+		Metadata:       metadata,
+		NamespaceID:    a.NamespaceID,
+		CustomMetadata: a.CustomMetadata,
 	}
 }
 

helper/identity/types.proto

@@ -172,6 +172,9 @@ message Alias {
 	// NamespaceID is the identifier of the namespace to which this alias
 	// belongs.
 	string namespace_id = 11;
+
+	// Custom Metadata represents the custom data tied to this alias
+	map<string, string> customMetadata = 12;
 }
 
 // Deprecated. Retained for backwards compatibility.

sdk/helper/identitytpl/templating.go

@@ -178,6 +178,15 @@ func performTemplating(input string, p *PopulateStringInput) (string, error) {
 		case strings.HasPrefix(trimmed, "metadata."):
 			split := strings.SplitN(trimmed, ".", 2)
 			return p.templateHandler(alias.Metadata, split[1])
+
+		case trimmed == "custom_metadata":
+			return p.templateHandler(alias.CustomMetadata)
+
+		case strings.HasPrefix(trimmed, "custom_metadata."):
+
+			split := strings.SplitN(trimmed, ".", 2)
+			return p.templateHandler(alias.CustomMetadata, split[1])
+
 		}
 
 		return "", ErrTemplateValueNotFound
@@ -222,7 +231,7 @@ func performTemplating(input string, p *PopulateStringInput) (string, error) {
 				}
 
 				// An empty alias is sufficient for generating defaults
-				alias = &logical.Alias{Metadata: make(map[string]string)}
+				alias = &logical.Alias{Metadata: make(map[string]string), CustomMetadata: make(map[string]string)}
 			}
 			return performAliasTemplating(split[1], alias)
 		}

sdk/logical/identity.proto

@@ -50,6 +50,9 @@ message Alias {
 	// NamespaceID is the identifier of the namespace to which this alias
 	// belongs.
 	string namespace_id = 6;
+
+	// Custom Metadata represents the custom data tied to this alias
+	map<string, string> custom_metadata = 7;
 }
 
 message Group {