Adding dockerized package registry for serverless functional tests

x-pack/test_serverless/functional/common/package_registry_config.yml

@@ -0,0 +1,2 @@
+package_paths:
+  - /packages/package-storage

x-pack/test_serverless/functional/config.base.ts

@@ -5,17 +5,29 @@
  * 2.0.
  */
 
-import { resolve } from 'path';
+import path, { resolve } from 'path';
 
-import { FtrConfigProviderContext } from '@kbn/test';
+import { FtrConfigProviderContext, defineDockerServersConfig } from '@kbn/test';
 
+import { dockerImage } from '@kbn/test-suites-xpack/fleet_api_integration/config.base';
 import { pageObjects } from './page_objects';
 import { services } from './services';
 import type { CreateTestConfigOptions } from '../shared/types';
 
 export function createTestConfig(options: CreateTestConfigOptions) {
   return async ({ readConfigFile }: FtrConfigProviderContext) => {
     const svlSharedConfig = await readConfigFile(require.resolve('../shared/config.base.ts'));
+    const packageRegistryConfig = path.join(__dirname, './common/package_registry_config.yml');
+    const dockerArgs: string[] = ['-v', `${packageRegistryConfig}:/package-registry/config.yml`];
+
+    /**
+     * This is used by CI to set the docker registry port
+     * you can also define this environment variable locally when running tests which
+     * will spin up a local docker package registry locally for you
+     * if this is defined it takes precedence over the `packageRegistryOverride` variable
+     */
+    const dockerRegistryPort: string | undefined = process.env.FLEET_PACKAGE_REGISTRY_PORT;
+
     return {
       ...svlSharedConfig.getAll(),
 
@@ -37,7 +49,17 @@ export function createTestConfig(options: CreateTestConfigOptions) {
         ],
       },
       testFiles: options.testFiles,
-
+      dockerServers: defineDockerServersConfig({
+        registry: {
+          enabled: !!dockerRegistryPort,
+          image: dockerImage,
+          portInContainer: 8080,
+          port: dockerRegistryPort,
+          args: dockerArgs,
+          waitForLogLine: 'package manifests loaded',
+          waitForLogLineTimeoutMs: 60 * 2 * 10000, // 2 minutes
+        },
+      }),
       uiSettings: {
         defaults: {
           'accessibility:disableAnimations': true,