manifest sourceDep check worflow

.github/scripts/manifest_verification/check_sources.js

@@ -0,0 +1,159 @@
+// This script checks that the manifest sourceDependencies are reachable.
+
+const core = require('@actions/core');
+const fs = require('fs-extra');
+
+const results = {
+  success: 'found_matching_commit_or_tag',
+  warn: 'found_matching_branch',
+  fail: 'no_matching_tag_or_branch'
+}
+
+function is_sha(item) {
+  return /^[0-9a-f]{7}$/.test(item) || /^[0-9a-f]{40}$/.test(item)
+}
+
+function isRcOrMaster(branchName) {
+  return /v[0-9]\.x\/(rc|master)/i.test(branchName);
+}
+
+async function main() {
+
+  if (process.env['BASE_REF'] == null) {
+    core.setFailed('This script requires the BASE_REF env to bet set.');
+    return;
+  }
+
+  if (process.env['GITHUB_TOKEN'] == null) {
+    core.setFailed('This script requires the GITHUB_TOKEN env to be set.');
+    return;
+  }
+
+  const baseRef = process.env['BASE_REF'].trim();
+
+  const github = require('@actions/github')
+  const octokit = github.getOctokit(process.env['GITHUB_TOKEN']);
+
+  // expect script to be run from repo root
+  const sourceDeps = fs.readJSONSync('./manifest.json.template').sourceDependencies;
+
+  /**
+   * Source dep structure is below:
+   * 
+   * [
+   *   {
+   *    "componentGroup": "Performance Timing Utility",
+   *    "entries": [{
+   *      "repository": "perf-timing",
+   *      "tag": "master",
+   *      "destinations": ["Zowe CLI Package"]
+   *    }]
+   *  },
+   *  { ...same structure as prior...}
+   * ]
+   */
+
+  const analyzedRepos = [];
+
+  for (const dep of sourceDeps) {
+    for (const entry of dep.entries) {
+      const repo = entry.repository;
+      const tag = entry.tag;
+
+      // octokit ref/commit_sha APIs work for branches/tags, and we only want to test when its an actual hash 
+      if (is_sha(tag)) {
+        const isCommit = await octokit.rest.repos.getCommit({
+          owner: 'zowe',
+          repo: repo,
+          ref: tag
+        }).then((resp) => {
+          if (resp.status < 400) {
+            return true;
+          }
+          return false;
+        })
+
+        // Pinning repos with a commit is ok
+        if (isCommit) {
+          analyzedRepos.push({repository: repo, tag: tag, result: results.success});
+          continue;
+        }
+      }
+
+      // If not a commit, check repo tags
+      const tags = await octokit.rest.repos.listTags({
+        owner: 'zowe',
+        repo: repo,
+      }).then((resp) => {
+        if (resp.status < 400) {
+          return resp.data;
+        }
+        return [];
+      })
+
+      const knownTag = tags.find((item) => item.name === tag);
+      if (knownTag != null && knownTag.name.trim().length > 0) {
+        analyzedRepos.push({repository: repo, tag: tag, result: results.success});
+        continue;
+      }
+
+      // if we didn't find tag, look at branches
+      // 2 REST Requests, unset protected was operating as protected=false
+      const protBranches = await octokit.rest.repos.listBranches({
+        owner: 'zowe',
+        repo: repo,
+        protected: true
+      }).then((resp) => {
+        if (resp.status < 400) {
+          return resp.data;
+        }
+        return [];
+      })
+      const unProtBranches = await octokit.rest.repos.listBranches({
+        owner: 'zowe',
+        repo: repo,
+        protected: false
+      }).then((resp) => {
+        if (resp.status < 400) {
+          return resp.data;
+        }
+        return [];
+      })
+
+      const branches = [...protBranches, ...unProtBranches];
+
+      const knownBranch = branches.find((item) => item.name === tag);
+      if (knownBranch != null && knownBranch.name.trim().length > 0) {
+        analyzedRepos.push({repository: repo, tag: tag, result: results.warn});
+        continue;
+      }
+
+      // if we didn't find commit, tag or branch
+      analyzedRepos.push({repository: repo, tag: tag, result: results.fail});
+    }
+  }
+
+  let didFail = false;
+
+  const failRepos = analyzedRepos.filter((item) => item.result === results.fail);
+  if (failRepos != null && failRepos.length > 0) {
+    core.warning('There are manifest sourceDependencies without a matching tag or branch. Review the output and update the manifest.');
+    core.warning('The following repositories do not have a matching commit hash, tag or branch: ' + JSON.stringify(failRepos, null, {indent: 4}))
+    didFail = true;
+  }
+
+  const warnRepos = analyzedRepos.filter((item) => item.result === results.warn) ;
+  if (warnRepos != null && warnRepos.length > 0) { 
+    if (isRcOrMaster(baseRef)) {
+      core.warning('Merges to RC and master require tags or commit hashes instead of branches for sourceDependencies.')
+      didFail = true
+    }
+    core.warning('The following repositories have a branch instead of tag: ' + JSON.stringify(warnRepos, null, {indent: 4}))
+  }
+
+  if (didFail) {
+    core.setFailed('The manifest validation was not successful. Review the warning output for more details.');
+  }
+
+}
+main()