feat(providers): single database mode

apis/cloud.redhat.com/v1alpha1/clowdenvironment_types.go

@@ -284,16 +284,19 @@ type KafkaConfig struct {
 }
 
 // DatabaseMode details the mode of operation of the Clowder Database Provider
-// +kubebuilder:validation:Enum=shared;app-interface;local;none
+// +kubebuilder:validation:Enum=single;shared;app-interface;local;none
 type DatabaseMode string
 
 // DatabaseConfig configures the Clowder provider controlling the creation of
 // Database instances.
 type DatabaseConfig struct {
 	// The mode of operation of the Clowder Database Provider. Valid options are:
 	// (*_app-interface_*) where the provider will pass through database credentials
-	// found in the secret defined by the database name in the ClowdApp, and (*_local_*)
-	// where the provider will spin up a local instance of the database.
+	// found in the secret defined by the database name in the ClowdApp, (*_local_*)
+	// where the provider will spin up a local instance of the database, (*_shared_*)
+	// where the provider will spin up only one shared instance per requested
+	// PostgreSQL version, and (*_single_*) that is similar to local and shared modes
+	// but keeps only one database deployment and isolates apps by PG schemas.
 	Mode DatabaseMode `json:"mode"`
 
 	// Indicates where Clowder will fetch the database CA certificate bundle from. Currently only used in

config/crd/bases/cloud.redhat.com_clowdenvironments.yaml

@@ -81,12 +81,15 @@ spec:
                         type: string
                       mode:
                         description: 'The mode of operation of the Clowder Database
-                          Provider. Valid options are: (*_app-interface_*) where the
-                          provider will pass through database credentials found in
-                          the secret defined by the database name in the ClowdApp,
-                          and (*_local_*) where the provider will spin up a local
-                          instance of the database.'
+                          Provider. Valid options are: (*_app-interface_*) where
+                          the provider will pass through database credentials found
+                          in the secret defined by the database name in the
+                          ClowdApp, (*_local_*) where the provider will spin up a
+                          local instance of the database, and (*_single_*) that is
+                          similar to local but keeps only one database deployment
+                          and isolates apps by PG schemas.'
                         enum:
+                        - single
                         - shared
                         - app-interface
                         - local