Add scripts and pipeline to poll for maven

.circleci/config.yml

@@ -1564,6 +1564,19 @@ jobs:
                     -d "{\"event_type\": \"publish\", \"client_payload\": { \"version\": \"${CIRCLE_TAG:1}\" }}"
       # END: Stable releases
 
+  poll_maven:
+    docker:
+      - image: cimg/node:current
+    resource_class: small
+    steps:
+      - checkout_code_with_cache
+      - run_yarn
+      - run:
+          name: Poll Maven for Artifacts
+          command: |
+            node scripts/circleci/poll-maven.js
+
+
   # -------------------------
   #    JOBS: Nightly
   # -------------------------
@@ -1900,6 +1913,9 @@ workflows:
             - build_hermesc_linux
             - build_hermes_macos
             - build_hermesc_windows
+      - poll_maven:
+          requires:
+            -  build_and_publish_npm_package
 
   package_and_publish_release_dryrun:
     when:
@@ -1941,6 +1957,7 @@ workflows:
         - equal: [ false, << pipeline.parameters.run_release_workflow >> ]
         - equal: [ false, << pipeline.parameters.run_nightly_workflow >> ]
     jobs:
+      - poll_maven
       # Run lints on every commit
       - analyze_code
 

scripts/circleci/poll-maven.js

@@ -0,0 +1,68 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+const fetch = require('node-fetch');
+const fs = require('fs');
+
+const baseMavenRepo = 'https://repo1.maven.org/maven2/com/facebook/react';
+const artifacts = [
+    'react-native-artifacts',
+    'react-android',
+    'hermes-android',
+];
+const humanNames = {
+    'react-native-artifacts': 'Hermes for iOS',
+    'react-android': 'React Native for Android',
+    'hermes-android': 'Hermes for Android',
+};
+const ping_minutes = 5;
+const max_hours = 5;
+const ping_interval = ping_minutes * 60 * 1000; // 5 minutes
+const max_wait = max_hours * 60 * 60 * 1000; // 5 hours
+
+const startTime = Date.now();
+
+async function pingMaven(artifact, rnVersion) {
+    const url = `${baseMavenRepo}/${artifact}/${rnVersion}`;
+    const response = await fetch(url, {method: "HEAD"});
+    if (response.status === 200) {
+        console.log(`Found artifact for ${humanNames[artifact]}\n`);
+        return;
+    } else if (response.status !== 404) {
+        throw new Error(`Unexpected response code ${response.status} for ${humanNames[artifact]}`);
+    }
+
+    const elapsedTime = Date.now() - startTime;
+    if (elapsedTime > max_wait) {
+        throw new Error(`${max_hours} hours has passed. Exiting.`);
+    }
+    // Wait a bit
+    console.log(`${humanNames[artifact]} not available yet. Waiting ${ping_minutes} minutes.\n`);
+    await new Promise(resolve => setTimeout(resolve, ping_interval));
+    await pingMaven(url);
+}
+
+async function main() {
+    const package = JSON.parse(fs.readFileSync('packages/react-native/package.json', 'utf8'));
+    const rnVersion = package.version;
+
+    if (rnVersion === '1000.0.0') {
+        console.log("We are not on a release branch when a release has been initiated. Exiting.");
+        return;
+    }
+
+    console.log(`Checking artifacts for React Native version ${rnVersion}\n`);
+
+    for (const artifact of artifacts) {
+        console.log(`Start pinging for ${humanNames[artifact]}`)
+        await pingMaven(artifact, rnVersion);
+    };
+}
+
+main();