Implement recursive plugin discovery (#68811) (#70286)

* implements recursive scanning in plugin discovery system * update optimizer to find plugins in sub-directories * update renovate * update optimizer IT snapshot * refactor processPluginSearchPaths$ and add test for inaccessible manifest * add symlink test * add maxDepth to the optimizer * adapt mockFs definitions * remove `flat` usage # Conflicts: # renovate.json5
elastic · Jun 30, 2020 · 91bf50b · 91bf50b
1 parent fd47408
commit 91bf50b
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Showing 11 changed files with 478 additions and 260 deletions.
diff --git a/package.json b/package.json
@@ -356,6 +356,7 @@
     "@types/markdown-it": "^0.0.7",
     "@types/minimatch": "^2.0.29",
     "@types/mocha": "^7.0.2",
+    "@types/mock-fs": "^4.10.0",
     "@types/moment-timezone": "^0.5.12",
     "@types/mustache": "^0.8.31",
     "@types/node": ">=10.17.17 <10.20.0",
@@ -468,6 +469,7 @@
     "listr": "^0.14.1",
     "load-grunt-config": "^3.0.1",
     "mocha": "^7.1.1",
+    "mock-fs": "^4.12.0",
     "mock-http-server": "1.3.0",
     "ms-chromium-edge-driver": "^0.2.3",
     "multistream": "^2.1.1",

diff --git a/...tures__/mock_repo/plugins/baz/kibana.json → .../mock_repo/plugins/nested/baz/kibana.json b/...tures__/mock_repo/plugins/baz/kibana.json → .../mock_repo/plugins/nested/baz/kibana.json
diff --git a/...s__/mock_repo/plugins/baz/server/index.ts → ...k_repo/plugins/nested/baz/server/index.ts b/...s__/mock_repo/plugins/baz/server/index.ts → ...k_repo/plugins/nested/baz/server/index.ts
diff --git a/...res__/mock_repo/plugins/baz/server/lib.ts → ...ock_repo/plugins/nested/baz/server/lib.ts b/...res__/mock_repo/plugins/baz/server/lib.ts → ...ock_repo/plugins/nested/baz/server/lib.ts
diff --git a/packages/kbn-optimizer/src/integration_tests/__snapshots__/basic_optimization.test.ts.snap b/packages/kbn-optimizer/src/integration_tests/__snapshots__/basic_optimization.test.ts.snap
diff --git a/packages/kbn-optimizer/src/optimizer/kibana_platform_plugins.test.ts b/packages/kbn-optimizer/src/optimizer/kibana_platform_plugins.test.ts
@@ -41,18 +41,18 @@ it('parses kibana.json files of plugins found in pluginDirs', () => {
         "id": "bar",
         "isUiPlugin": true,
       },
-      Object {
-        "directory": <absolute path>/packages/kbn-optimizer/src/__fixtures__/mock_repo/plugins/baz,
-        "extraPublicDirs": Array [],
-        "id": "baz",
-        "isUiPlugin": false,
-      },
       Object {
         "directory": <absolute path>/packages/kbn-optimizer/src/__fixtures__/mock_repo/plugins/foo,
         "extraPublicDirs": Array [],
         "id": "foo",
         "isUiPlugin": true,
       },
+      Object {
+        "directory": <absolute path>/packages/kbn-optimizer/src/__fixtures__/mock_repo/plugins/nested/baz,
+        "extraPublicDirs": Array [],
+        "id": "baz",
+        "isUiPlugin": false,
+      },
       Object {
         "directory": <absolute path>/packages/kbn-optimizer/src/__fixtures__/mock_repo/test_plugins/test_baz,
         "extraPublicDirs": Array [],

diff --git a/packages/kbn-optimizer/src/optimizer/kibana_platform_plugins.ts b/packages/kbn-optimizer/src/optimizer/kibana_platform_plugins.ts
@@ -37,7 +37,7 @@ export function findKibanaPlatformPlugins(scanDirs: string[], paths: string[]) {
     .sync(
       Array.from(
         new Set([
-          ...scanDirs.map((dir) => `${dir}/*/kibana.json`),
+          ...scanDirs.map(nestedScanDirPaths).reduce((dirs, current) => [...dirs, ...current], []),
           ...paths.map((path) => `${path}/kibana.json`),
         ])
       ),
@@ -51,6 +51,17 @@ export function findKibanaPlatformPlugins(scanDirs: string[], paths: string[]) {
     );
 }
 
+function nestedScanDirPaths(dir: string): string[] {
+  // down to 5 level max
+  return [
+    `${dir}/*/kibana.json`,
+    `${dir}/*/*/kibana.json`,
+    `${dir}/*/*/*/kibana.json`,
+    `${dir}/*/*/*/*/kibana.json`,
+    `${dir}/*/*/*/*/*/kibana.json`,
+  ];
+}
+
 function readKibanaPlatformPlugin(manifestPath: string): KibanaPlatformPlugin {
   if (!Path.isAbsolute(manifestPath)) {
     throw new TypeError('expected new platform manifest path to be absolute');

diff --git a/src/core/server/plugins/discovery/plugins_discovery.test.mocks.ts b/src/core/server/plugins/discovery/plugins_discovery.test.mocks.ts
@@ -17,14 +17,5 @@
  * under the License.
  */
 
-export const mockReaddir = jest.fn();
-export const mockReadFile = jest.fn();
-export const mockStat = jest.fn();
-jest.mock('fs', () => ({
-  readdir: mockReaddir,
-  readFile: mockReadFile,
-  stat: mockStat,
-}));
-
 export const mockPackage = new Proxy({ raw: {} as any }, { get: (obj, prop) => obj.raw[prop] });
 jest.mock('../../../../../package.json', () => mockPackage);