Travis Lighthouse setup

.gitignore

@@ -5,6 +5,7 @@
 .sass-cache
 *oauth2.data
 node_modules
+travis/node_modules
 *bower_components
 *.vulcanize.html
 *.vulcanize.js

.travis.yml

@@ -0,0 +1,27 @@
+language: node_js
+node_js: '7'
+dist: trusty
+sudo: false
+git:
+  depth: 1
+env:
+  global:
+  - CLOUDSDK_CORE_DISABLE_PROMPTS=1
+  - CLOUDSDK_PYTHON_SITEPACKAGES=1
+  - GAE_APP_ID=cr-status
+cache:
+  directories:
+  - node_modules
+  - travis/node_modules
+install:
+- npm install -g bower gulp
+- npm install
+- npm run install-travis
+script:
+- npm run lint
+- npm run build
+after_success:
+- "./travis/deploy_pr_gae.sh"
+- export LH_MIN_PASS_SCORE=96
+- export LH_TEST_URL=https://lighthouse-ci-staging-dot-cr-status.appspot.com/features
+- node travis/runLighthouse.js $LH_TEST_URL $LH_MIN_PASS_SCORE

package.json

@@ -7,7 +7,8 @@
     "node": ">=6.0.0"
   },
   "scripts": {
-    "postinstall": "npm run deps; npm run build",
+    "postinstall": "npm run deps && npm run build",
+    "install-travis": "npm --prefix ./travis install ./travis",
     "deps": "rm -rf static/bower_components; bower install",
     "lint": "gulp lint",
     "build": "gulp",

travis/deploy_pr_gae.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+set -e
+
+# Auto-Deploy Pull Request
+
+# If this isn't a pull request, abort.
+if [ "${TRAVIS_EVENT_TYPE}" != "pull_request" ]; then
+  echo "This only runs on pull_request events. Event was $TRAVIS_EVENT_TYPE."
+  exit
+fi
+
+# If there were build failures, abort
+if [ "${TRAVIS_TEST_RESULT}" = "1" ]; then
+  echo "Deploy aborted, there were build/test failures."
+  exit
+fi
+
+./travis/install_google_cloud_sdk.sh
+
+# Set the AppEngine version for staging
+# VERSION=pr-$TRAVIS_PULL_REQUEST
+VERSION=lighthouse-ci-staging
+
+# Determine staging URL based on PR.
+export LH_TEST_URL=https://$VERSION-dot-$GAE_APP_ID.appspot.com/features
+echo "Pull Request: $TRAVIS_PULL_REQUEST will be staged at $LH_TEST_URL"
+
+# Deploy to AppEngine
+$HOME/google-cloud-sdk/bin/gcloud app deploy app.yaml -q --no-promote --version $VERSION
+
+# Make sure an AppEngine instance has started.
+curl $LH_TEST_URL

travis/install_google_cloud_sdk.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+set -e
+
+# Installs the Google Cloud SDK
+
+# Decrypt the Service Account Key
+openssl aes-256-cbc -K $encrypted_aee7e38c959c_key -iv $encrypted_aee7e38c959c_iv \
+    -in gcloud-client-secret.json.enc -out gcloud-client-secret.json -d
+
+# Download & install the Google Cloud SDK
+curl https://sdk.cloud.google.com | bash
+
+# Update any necessary components
+$HOME/google-cloud-sdk/bin/gcloud components update -q
+
+# Set the AppEngine App ID to $GAE_APP_ID
+$HOME/google-cloud-sdk/bin/gcloud config set project $GAE_APP_ID
+
+# Authenticate to AppEngine using the service account
+$HOME/google-cloud-sdk/bin/gcloud auth activate-service-account \
+    --key-file gcloud-client-secret.json

travis/package.json

@@ -0,0 +1,11 @@
+{
+  "name": "chrome-status-ci",
+  "version": "0.0.1",
+  "main": "index.js",
+  "license": "Apache-2.0",
+  "dependencies": {
+    "chalk": "^1.1.3",
+    "github": "^9.2.0",
+    "node-fetch": "^1.6.3"
+  }
+}

travis/runLighthouse.js

@@ -0,0 +1,95 @@
+/**
+ * Copyright 2017 Google Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+'use strict';
+
+const chalk = require('chalk');
+const fetch = require('node-fetch'); // polyfill
+
+const args = process.argv.slice(2);
+const LH_TEST_URL = args[0];
+const LH_MIN_PASS_SCORE = args[1];
+const PR_NUM = process.env.TRAVIS_PULL_REQUEST;
+const PR_SHA = process.env.TRAVIS_PULL_REQUEST_SHA;
+const REPO_SLUG = process.env.TRAVIS_PULL_REQUEST_SLUG;
+
+const CI_HOST = 'https://lighthouse-ci.appspot.com';
+const API_KEY = process.env.API_KEY;
+const RUNNERS = {chrome: 'chrome', wpt: 'wpt'};
+
+/**
+ * @param {!string} runner Where to run Lighthouse.
+ */
+function run(runner) {
+  const data = {
+    testUrl: LH_TEST_URL,
+    minPassScore: Number(LH_MIN_PASS_SCORE),
+    repo: {
+      owner: REPO_SLUG.split('/')[0],
+      name: REPO_SLUG.split('/')[1]
+    },
+    pr: {
+      number: parseInt(PR_NUM, 10),
+      sha: PR_SHA
+    }
+  };
+
+  let endpoint;
+  let body = JSON.stringify(data);
+
+  switch (runner) {
+    case RUNNERS.wpt:
+      endpoint = `${CI_HOST}/run_on_wpt`;
+      break;
+    case RUNNERS.chrome: // same as default
+    default:
+      endpoint = `${CI_HOST}/run_on_chrome`;
+      body = JSON.stringify(Object.assign({format: 'json'}, data));
+  }
+
+  fetch(endpoint, {
+    method: 'POST',
+    body,
+    headers: {
+      'Content-Type': 'application/json',
+      'X-API-KEY': API_KEY // Keep usage tight for now.
+    }
+  })
+  .then(resp => resp.json())
+  .then(json => {
+    if (runner === RUNNERS.wpt) {
+      console.log(chalk.green(
+          `Started Lighthouse run on WebPageTest: ${json.data.target_url}`));
+      return;
+    }
+
+    let colorize = chalk.green;
+    if (json.score < LH_MIN_PASS_SCORE) {
+      colorize = chalk.red;
+    }
+    console.log(colorize('Lighthouse CI score:'), json.score);
+  })
+  .catch(err => {
+    console.log(chalk.red('Lighthouse CI failed'), err);
+    process.exit(1);
+  });
+}
+
+// Run LH if this is a PR.
+if (process.env.TRAVIS_EVENT_TYPE === 'pull_request') {
+  run(RUNNERS.wpt);
+} else {
+  console.log('Lighthouse not run for non-PR commits');
+}