Frontend Extensions API.

.circleci/config.yml

@@ -34,6 +34,7 @@ jobs:
       - run: sudo pip install -r requirements_dev.txt
       - run: sudo pip install -r requirements.txt
       - run: sudo npm install
+      - run: sudo npm run bundle
       - run: sudo npm run build
       - run:
           command: pytest --junitxml=/tmp/test-reports/pytest/junit.xml tests/

Dockerfile

@@ -15,7 +15,7 @@ RUN sudo tar --strip-components 1 -xzvf node-v* -C /usr/local
 # Upgrade npm
 RUN npm upgrade npm
 
-RUN npm install && npm run build && rm -rf node_modules
+RUN npm install && npm run bundle && npm run build && rm -rf node_modules
 RUN chown -R redash /app
 USER redash
 

Makefile

@@ -0,0 +1,22 @@
+.PHONY: build bundle compose_build create_database tests test_db clean
+
+compose_build:
+	docker-compose build
+
+test_db:
+	docker-compose run --rm postgres psql -h postgres -U postgres -c "create database tests"
+
+create_database:
+	docker-compose run server create_db
+
+clean:
+	docker ps -a -q | xargs docker kill;docker ps -a -q | xargs docker rm
+
+bundle:
+	docker-compose run server bin/bundle-extensions
+
+tests:
+	docker-compose run server tests
+
+build: bundle
+	npm run build

bin/bundle-extensions

@@ -0,0 +1,37 @@
+#!/usr/bin/env python
+
+import os
+import redash_stmo
+from subprocess import call
+from distutils.dir_util import copy_tree
+
+from pkg_resources import iter_entry_points, resource_filename
+
+
+# Make a directory for extensions and set it as an environment variable
+# to be picked up by webpack.
+EXTENSIONS_RELATIVE_PATH = os.path.join('client', 'app', 'extensions')
+EXTENSIONS_DIRECTORY = os.path.join(
+	os.path.dirname(os.path.dirname(__file__)),
+	EXTENSIONS_RELATIVE_PATH)
+
+if not os.path.exists(EXTENSIONS_DIRECTORY):
+    os.makedirs(EXTENSIONS_DIRECTORY)
+os.environ["EXTENSIONS_DIRECTORY"] = EXTENSIONS_RELATIVE_PATH
+
+for entry_point in iter_entry_points('webpack.bundles'):
+	extension_data = entry_point.load()
+
+	# This is where the frontend code for an extension lives
+	# inside of its package.
+	content_folder_relative = os.path.join(
+		extension_data['extension_directory'],
+		extension_data['frontend_content'])
+	content_folder = resource_filename(redash_stmo.__name__, content_folder_relative)
+
+	# This is where we place our extensions folder.
+	destination = os.path.join(
+		EXTENSIONS_DIRECTORY,
+		extension_data['extension_directory'])
+
+	copy_tree(content_folder, destination)

client/app/config/index.js

@@ -82,6 +82,11 @@ function registerComponents() {
   registerAll(context);
 }
 
+function registerExtensions() {
+  const context = require.context('%', true, /^((?![\\/]test[\\/]).)*\.js$/);
+  registerAll(context);
+}
+
 function registerServices() {
   const context = require.context('@/services', true, /^((?![\\/]test[\\/]).)*\.js$/);
   registerAll(context);
@@ -142,6 +147,7 @@ markdownFilter(ngModule);
 dateTimeFilter(ngModule);
 registerComponents();
 registerPages();
+registerExtensions();
 registerVisualizations(ngModule);
 
 export default ngModule;

package.json

@@ -6,6 +6,7 @@
   "scripts": {
     "start": "webpack-dev-server",
     "dev": "REDASH_BACKEND=https://dev.redashapp.com npm start",
+    "bundle": "bin/bundle-extensions",
     "build": "rm -rf ./client/dist/ && NODE_ENV=production webpack",
     "watch": "webpack --watch --progress --colors -d",
     "analyze": "rm -rf ./client/dist/ && BUNDLE_ANALYZER=on webpack",

webpack.config.js

@@ -17,6 +17,10 @@ const redashBackend = process.env.REDASH_BACKEND || "http://localhost:5000";
 const basePath = fs.realpathSync(path.join(__dirname, "client"));
 const appPath = fs.realpathSync(path.join(__dirname, "client", "app"));
 
+const extensionsRelativePath = process.env.EXTENSIONS_DIRECTORY ||
+  path.join("client", "app", "extensions");
+const extensionPath = fs.realpathSync(path.join(__dirname, extensionsRelativePath));
+
 const config = {
   entry: {
     app: ["./client/app/index.js", "./client/app/assets/less/main.less"],
@@ -29,7 +33,8 @@ const config = {
   },
   resolve: {
     alias: {
-      "@": appPath
+      "@": appPath,
+      "%": extensionPath
     }
   },
   plugins: [