gkalpak · Oct 28, 2020 · Oct 28, 2020 · Oct 28, 2020 · Oct 31, 2020 · Oct 28, 2020
diff --git a/aio/aio-builds-setup/docs/misc--integrate-with-ci.md b/aio/aio-builds-setup/docs/misc--integrate-with-ci.md
@@ -6,4 +6,4 @@ TODO (gkalpak): Add docs. Mention:
   Relevant files: `aio/aio-builds-setup/scripts/test.sh`
 - Deploying from CI.
   Relevant files: `.circleci/config.yml`, `scripts/ci/deploy.sh`, `aio/scripts/build-artifacts.sh`,
-  `aio/scripts/deploy-to-firebase.sh`
+  `aio/scripts/deploy-to-firebase.js`
diff --git a/aio/angular.json b/aio/angular.json
@@ -81,6 +81,15 @@
               ],
               "serviceWorker": true
             },
+            "rc": {
+              "fileReplacements": [
+                {
+                  "replace": "src/environments/environment.ts",
+                  "with": "src/environments/environment.rc.ts"
+                }
+              ],
+              "serviceWorker": true
+            },
             "stable": {
               "fileReplacements": [
                 {
@@ -116,6 +125,9 @@
             "next": {
               "browserTarget": "site:build:next"
             },
+            "rc": {
+              "browserTarget": "site:build:rc"
+            },
             "stable": {
               "browserTarget": "site:build:stable"
             },

diff --git a/aio/package.json b/aio/package.json
@@ -49,7 +49,7 @@
     "example-use-local": "node tools/ng-packages-installer overwrite ./tools/examples/shared --debug --force",
     "example-use-npm": "node tools/ng-packages-installer restore ./tools/examples/shared",
     "example-check-local": "node tools/ng-packages-installer check ./tools/examples/shared",
-    "deploy-production": "scripts/deploy-to-firebase.sh",
+    "deploy-production": "node scripts/deploy-to-firebase",
     "check-env": "yarn ~~check-env",
     "postcheck-env": "yarn aio-check-local",
     "payload-size": "scripts/payload.sh",
@@ -62,7 +62,7 @@
     "redirects-test": "node tests/deployment/unit/test",
     "firebase-utils-test": "node tools/firebase-test-utils/test",
     "tools-lint": "tslint --config \"tools/tslint.json\" --project \"tools/firebase-test-utils\"",
-    "tools-test": "./scripts/deploy-to-firebase.test.sh && yarn docs-test && yarn boilerplate:test && jasmine tools/ng-packages-installer/index.spec.js && yarn firebase-utils-test",
+    "tools-test": "yarn docs-test && yarn boilerplate:test && jasmine tools/ng-packages-installer/index.spec.js && jasmine scripts/deploy-to-firebase.spec.js && yarn firebase-utils-test",
     "preserve-and-sync": "yarn docs",
     "serve-and-sync": "run-p \"docs-watch --watch-only\" \"start {@}\" --",
     "boilerplate:add": "node ./tools/examples/example-boilerplate add",
@@ -128,7 +128,7 @@
     "eslint": "^3.19.0",
     "eslint-plugin-jasmine": "^2.2.0",
     "find-free-port": "^2.0.0",
-    "firebase-tools": "^7.11.0",
+    "firebase-tools": "^8.14.1",
     "fs-extra": "^2.1.2",
     "globby": "^6.1.0",
     "hast-util-is-element": "^1.0.0",
@@ -161,7 +161,7 @@
     "remark-html": "^8.0.0",
     "rimraf": "^2.6.1",
     "semver": "^5.3.0",
-    "shelljs": "^0.7.7",
+    "shelljs": "^0.8.4",
     "tree-kill": "^1.1.0",
     "ts-node": "^8.4.1",
     "tslint": "~6.1.0",

diff --git a/aio/scripts/deploy-to-firebase.js b/aio/scripts/deploy-to-firebase.js
@@ -0,0 +1,209 @@
+#!/bin/env node
+//
+// WARNING: `CI_SECRET_AIO_DEPLOY_FIREBASE_TOKEN` should NOT be printed.
+//
+'use strict';
+
+const {cd, cp, exec: _exec, set} = require('shelljs');
+
+set('-e');
+
+
+// Constants
+const REPO_SLUG = 'angular/angular';
+const NG_REMOTE_URL = `https://github.com/${REPO_SLUG}.git`;
+
+// Exports
+module.exports = {
+  computeDeploymentInfo,
+  computeInputVars,
+  getLatestCommit,
+};
+
+// Run
+if (require.main === module) {
+  const isDryRun = process.argv[2] === '--dry-run';
+  const inputVars = computeInputVars(process.env);
+  const deploymentInfo = computeDeploymentInfo(inputVars);
+
+  if (deploymentInfo.skipped) {
+    console.log(deploymentInfo.reason);
+  } else {
+    console.log(
+        `Git branch        : ${currentBranch}\n` +
+        `Build/deploy mode : ${deploymentInfo.deployEnv}\n` +
+        `Firebase project  : ${deploymentInfo.projectId}\n` +
+        `Firebase site     : ${deploymentInfo.siteId}\n` +
+        `Deployment URLs   : ${deploymentInfo.deployedUrl}\n` +
+        `                    https://${deploymentInfo.siteId}.web.app/`);
+
+    if (!isDryRun) {
+      deploy({...inputVars, ...deploymentInfo});
+    }
+  }
+}
+
+// Helpers
+function computeDeploymentInfo(
+    {currentBranch, currentCommit, isPullRequest, repoName, repoOwner, stableBranch}) {
+  // Do not deploy if we are running in a fork.
+  if (`${repoOwner}/${repoName}` !== REPO_SLUG) {
+    return skipDeployment(`Skipping deploy because this is not ${REPO_SLUG}.`);
+  }
+
+  // Do not deploy if this is a PR. PRs are deployed in the `aio_preview` CircleCI job.
+  if (isPullRequest) {
+    return skipDeployment('Skipping deploy because this is a PR build.');
+  }
+
+  // Do not deploy if the current commit is not the latest on its branch.
+  const latestCommit = getLatestCommit(currentBranch);
+  if (currentCommit !== latestCommit) {
+    return skipDeployment(
+        `Skipping deploy because ${currentCommit} is not the latest commit (${latestCommit}).`);
+  }
+
+  // The deployment mode is computed based on the branch we are building.
+  const currentBranchMajorVersion = computeMajorVersion(currentBranch);
+  const deploymentInfoPerTarget = {
+    next: {
+      deployEnv: 'next',
+      projectId: 'angular-io',
+      siteId: 'next-angular-io-site',
+      deployedUrl: 'https://next.angular.io/',
+    },
+    rc: {
+      deployEnv: 'rc',
+      projectId: 'angular-io',
+      siteId: 'rc-angular-io-site',
+      deployedUrl: 'https://rc.angular.io/',
+    },
+    stable: {
+      deployEnv: 'stable',
+      projectId: 'angular-io',
+      siteId: `v${currentBranchMajorVersion}-angular-io-site`,
+      deployedUrl: 'https://angular.io/',
+    },
+    archive: {
+      deployEnv: 'archive',
+      projectId: 'angular-io',
+      siteId: `v${currentBranchMajorVersion}-angular-io-site`,
+      deployedUrl: `https://v${currentBranchMajorVersion}.angular.io/`,
+    },
+  };
+
+  if (currentBranch === 'master') {
+    return deploymentInfoPerTarget.next;
+  } else if (currentBranch === stableBranch) {
+    return deploymentInfoPerTarget.stable;
+  } else {
+    const stableBranchMajorVersion = computeMajorVersion(stableBranch);
+
+    // Find the branch that has highest minor version for the given `currentBranchMajorVersion`.
+    const mostRecentMinorVersionBranch =
+      // List the branches that start with the major version.
+      getRemoteRefs(`refs/heads/${currentBranchMajorVersion}.*.x`)
+          // Extract the version number.
+          .map(line => line.split('/')[2])
+          // Sort by the minor version.
+          .sort((a, b) => a.split('.')[1] - b.split('.')[1])
+          // Get the highest version.
+          .pop();
+
+    // Do not deploy if it is not the latest branch for the given major version.
+    // NOTE: At this point, we know the current branch is not the stable branch.
+    if (currentBranch !== mostRecentMinorVersionBranch) {
+      return skipDeployment(
+          `Skipping deploy of branch "${currentBranch}" to Firebase.\n` +
+          'There is a more recent branch with the same major version: ' +
+          `"${mostRecentMinorVersionBranch}"`);
+    }
+
+    return (currentBranchMajorVersion < stableBranchMajorVersion) ?
+        // This is the latest minor version for a major that is less than the stable major version:
+        // Deploy as `archive`.
+        deploymentInfoPerTarget.archive :
+        // This is the latest minor version for a major that is equal or greater than the stable
+        // major version, but not the stable version itself:
+        // Deploy as `rc`.
+        deploymentInfoPerTarget.rc;
+  }
+
+  // We should never get here.
+  throw new Error('Failed to determine deployment info.');
+}
+
+function computeInputVars({
+  CI_AIO_MIN_PWA_SCORE: minPwaScore,
+  CI_BRANCH: currentBranch,
+  CI_COMMIT: currentCommit,
+  CI_PULL_REQUEST,
+  CI_REPO_NAME: repoName,
+  CI_REPO_OWNER: repoOwner,
+  CI_SECRET_AIO_DEPLOY_FIREBASE_TOKEN: firebaseToken,
+  CI_STABLE_BRANCH: stableBranch,
+}) {
+  return {
+    currentBranch,
+    currentCommit,
+    firebaseToken,
+    isPullRequest: CI_PULL_REQUEST !== 'false',
+    minPwaScore,
+    repoName,
+    repoOwner,
+    stableBranch,
+  };
+}
+
+function computeMajorVersion(branchName) {
+  return +branchName.split('.', 1)[0];
+}
+
+function deploy(
+    {currentCommit, deployedUrl, deployEnv, firebaseToken, minPwaScore, projectId, siteId}) {
+  cd(`${__dirname}/..`);
+
+  console.log('\n\n\n==== Build the AIO app. ====\n');
+  yarn(`build --configuration=${deployEnv} --progress=false`);
+
+  console.log('\n\n\n==== Add any mode-specific files into the AIO distribution. ====\n');
+  cp('-rf', `src/extra-files/${deployEnv}/.`, 'dist/');
+
+  console.log('\n\n\n==== Update opensearch descriptor for AIO with `deployedUrl`. ====\n');
+  yarn(`set-opensearch-url ${deployedUrl.replace(/[^/]$/, '$&/')}`);  // The URL must end with `/`.
+
+  console.log('\n\n\n==== Check payload size and upload the numbers to Firebase DB. ====\n');
+  yarn('payload-size');
+
+  console.log('\n\n\n==== Deploy AIO to Firebase hosting. ====\n');
+  yarn(`firebase use "${projectId}" --token "${firebaseToken}"`);
+  yarn(`firebase target:apply hosting aio "${siteId}" --token "${firebaseToken}"`);
+  yarn(
+      `firebase deploy --only hosting:aio --message "Commit: ${currentCommit}" --non-interactive ` +
+      `--token "${firebaseToken}"`);
+
+  console.log('\n\n\n==== Run PWA-score tests. ====\n');
+  yarn(`test-pwa-score "${deployedUrl}" "${minPwaScore}"`);
+}
+
+function exec(cmd, opts) {
+  // Using `silent: true` to ensure no secret env variables are printed.
+  return _exec(cmd, {silent: true, ...opts}).trim();
+}
+
+function getRemoteRefs(refOrPattern, remote = NG_REMOTE_URL) {
+  return exec(`git ls-remote ${remote} ${refOrPattern}`).split('\n');
+}
+
+function getLatestCommit(branchName, remote = undefined) {
+  return getRemoteRefs(branchName, remote)[0].slice(0, 40);
+}
+
+function skipDeployment(reason) {
+  return {reason, skipped: true};
+}
+
+function yarn(cmd) {
+  // Using `--silent` to ensure no secret env variables are printed.
+  return exec(`yarn --silent ${cmd}`);
+}