feat(dev-infra): show CI status of all active release trains (angular#39067)

As part of the ng-dev caretaker check command, show the status of the
lastest CircleCI run for each active release train.

PR Close angular#39067

Author: josephperrott

dev-infra/caretaker/BUILD.bazel

@@ -8,6 +8,7 @@ ts_library(
     module_name = "@angular/dev-infra-private/caretaker",
     visibility = ["//dev-infra:__subpackages__"],
     deps = [
+        "//dev-infra/release/versioning",
         "//dev-infra/utils",
         "@npm//@types/node",
         "@npm//@types/node-fetch",

dev-infra/caretaker/check/ci.ts

@@ -7,52 +7,55 @@
  */
 
 import fetch from 'node-fetch';
+import {fetchActiveReleaseTrains} from '../../release/versioning/index';
 
-import {bold, green, info, red} from '../../utils/console';
+import {bold, debug, info} from '../../utils/console';
 import {GitClient} from '../../utils/git';
 
 
 /** The results of checking the status of CI.  */
 interface StatusCheckResult {
-  status: 'success'|'failed'|'canceled'|'infrastructure_fail'|'timedout'|'failed'|'no_tests';
-  timestamp: Date;
-  buildUrl: string;
+  status: 'success'|'failed';
 }
 
 /** Retrieve and log status of CI for the project. */
 export async function printCiStatus(git: GitClient) {
+  const releaseTrains = await fetchActiveReleaseTrains({api: git.github, ...git.remoteConfig});
+
   info.group(bold(`CI`));
-  // TODO(josephperrott): Expand list of branches checked to all active branches.
-  await printStatus(git, 'master');
+  for (const [trainName, train] of Object.entries(releaseTrains)) {
+    if (train === null) {
+      debug(`No active release train for ${trainName}`);
+      continue;
+    }
+    const status = await getStatusOfBranch(git, train.branchName);
+    await printStatus(`${trainName.padEnd(6)} (${train.branchName})`, status);
+  }
   info.groupEnd();
   info();
 }
 
 /** Log the status of CI for a given branch to the console. */
-async function printStatus(git: GitClient, branch: string) {
-  const result = await getStatusOfBranch(git, branch);
-  const branchName = branch.padEnd(10);
-  if (result === null) {
+async function printStatus(label: string, status: StatusCheckResult|null) {
+  const branchName = label.padEnd(16);
+  if (status === null) {
     info(`${branchName} was not found on CircleCI`);
-  } else if (result.status === 'success') {
+  } else if (status.status === 'success') {
     info(`${branchName} ✅`);
   } else {
-    info(`${branchName} ❌ (Ran at: ${result.timestamp.toLocaleString()})`);
+    info(`${branchName} ❌`);
   }
 }
 
 /** Get the CI status of a given branch from CircleCI. */
 async function getStatusOfBranch(git: GitClient, branch: string): Promise<StatusCheckResult|null> {
   const {owner, name} = git.remoteConfig;
-  const url = `https://circleci.com/api/v1.1/project/gh/${owner}/${name}/tree/${
-      branch}?limit=1&filter=completed&shallow=true`;
-  const result = (await fetch(url).then(result => result.json()))?.[0];
+  const url = `https://circleci.com/gh/${owner}/${name}/tree/${branch}.svg?style=shield`;
+  const result = await fetch(url).then(result => result.text());
 
-  if (result) {
+  if (result && !result.includes('no builds')) {
     return {
-      status: result.outcome,
-      timestamp: new Date(result.stop_time),
-      buildUrl: result.build_url
+      status: result.includes('passing') ? 'success' : 'failed',
     };
   }
   return null;