[8.x] [Connectors] Allow pre-configured connectors to opt-in to exposing their config by setting `exposeConfig` (#207654)

docs/management/connectors/pre-configured-connectors.asciidoc

@@ -48,13 +48,15 @@ connector:
       secrets:                  <5>
         user: elastic
         password: changeme
+      exposeConfig: true        <6>
 ```
 
 <1>  The key is the connector identifier, `my-slack1` in this example.
 <2> `actionTypeId` is the action type identifier.
 <3> `name` is the name of the preconfigured connector.
 <4> `config` is the configuration specific to the connector type.
 <5> `secrets` is the sensitive configuration, such as username, password, and keys, specific to the connector type.
+<6> `exposeConfig` is the optional boolean flag, which identify if connector config will be exposed in the actions API
 
 [NOTE]
 ==============================================

x-pack/platform/plugins/shared/actions/server/application/connector/methods/get/get.ts

@@ -66,6 +66,10 @@ export async function get({
       isSystemAction: foundInMemoryConnector.isSystemAction,
       isDeprecated: isConnectorDeprecated(foundInMemoryConnector),
     };
+
+    if (foundInMemoryConnector.exposeConfig) {
+      connector.config = foundInMemoryConnector.config;
+    }
   } else {
     const result = await getConnectorSo({
       unsecuredSavedObjectsClient: context.unsecuredSavedObjectsClient,

x-pack/platform/plugins/shared/actions/server/application/connector/methods/get_all/get_all.test.ts

@@ -815,6 +815,7 @@ describe('getAllUnsecured()', () => {
           config: {
             foo: 'bar',
           },
+          exposeConfig: true,
         },
         /**
          * System actions will not
@@ -857,6 +858,7 @@ describe('getAllUnsecured()', () => {
         isSystemAction: false,
         isDeprecated: false,
         referencedByCount: 2,
+        config: { foo: 'bar' },
       },
     ]);
 

x-pack/platform/plugins/shared/actions/server/application/connector/methods/get_all/get_all.ts

@@ -120,6 +120,7 @@ async function getAllHelper({
       isPreconfigured: inMemoryConnector.isPreconfigured,
       isDeprecated: isConnectorDeprecated(inMemoryConnector),
       isSystemAction: inMemoryConnector.isSystemAction,
+      ...(inMemoryConnector.exposeConfig ? { config: inMemoryConnector.config } : {}),
     })),
   ].sort((a, b) => a.name.localeCompare(b.name));
 

x-pack/platform/plugins/shared/actions/server/config.ts

@@ -32,6 +32,7 @@ const preconfiguredActionSchema = schema.object({
   actionTypeId: schema.string({ minLength: 1 }),
   config: schema.recordOf(schema.string(), schema.any(), { defaultValue: {} }),
   secrets: schema.recordOf(schema.string(), schema.any(), { defaultValue: {} }),
+  exposeConfig: schema.maybe(schema.boolean({ defaultValue: false })),
 });
 
 const customHostSettingsSchema = schema.object({

x-pack/platform/plugins/shared/actions/server/types.ts

@@ -104,6 +104,7 @@ export interface InMemoryConnector<
 > extends ActionResult {
   secrets: Secrets;
   config: Config;
+  exposeConfig?: boolean;
 }
 
 export type FindActionResult = ConnectorWithExtraFindData;