Destroy hanging preview environments after 12 hours of inactivity (CopilotKit#1300)

Author: arielweinberger

.github/workflows/destroy-inactive-preview-environments.yml

@@ -6,11 +6,11 @@ on:
   workflow_dispatch:
 
 jobs:
-  deploy:
+  destroy:
     name: Destroy Inactive Preview Environments
     runs-on: ubuntu-20.04
     outputs:
-      e2e-urls: ${{ steps.export-e2e-urls.outputs.e2e-urls }}
+      destroyed-pr-numbers: ${{ steps.delete-inactive-preview-environments.outputs.destroyed-pr-numbers }}
     defaults:
       run:
         working-directory: examples/helmfile
@@ -51,23 +51,32 @@ jobs:
         id: delete-inactive-preview-environments
         run: |
           node destroy-inactive-preview-environments.js
-          
-      # - name: Delete a comment
-      #   if: github.event_name == 'pull_request'
-      #   uses: thollander/actions-comment-pull-request@v3
-      #   with:
-      #     comment-tag: preview-status-update
-      #     mode: delete
+          echo "destroyed-pr-numbers=$(cat inactive-pull-requests.json)" >> "$GITHUB_OUTPUT"
 
-      # - name: Comment post-deployment
-      #   if: github.event_name == 'pull_request'
-      #   uses: thollander/actions-comment-pull-request@v3
-      #   with:
-      #     comment-tag: preview-status-update
-      #     file-path: ./examples/helmfile/preview-comment.md
+  pr-comments:
+    needs: destroy
+    name: Comment on PRs
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        pr-number: ${{ fromJSON(needs.destroy.outputs.destroyed-pr-numbers) }}
+    steps:
+      - name: Comment on PRs
+        run: |
+          echo "PR number: ${{ matrix.pr-number }}"
 
-      # - name: Export Variable - E2E URLs
-      #   id: export-e2e-urls
-      #   working-directory: examples/e2e
-      #   run: |
-      #     echo "e2e-urls=$(cat test-config.json | base64 -w 0)" >> "$GITHUB_OUTPUT"
+      - name: Delete a comment
+        uses: thollander/actions-comment-pull-request@v3
+        with:
+          comment-tag: preview-status-update
+          mode: delete
+          pr-number: ${{ matrix.pr-number }}
+
+      - name: Comment
+        uses: thollander/actions-comment-pull-request@v3
+        with:
+          comment-tag: preview-status-update
+          pr-number: ${{ matrix.pr-number }}
+          message: |
+            The preview environment for this PR has been deleted because it has been inactive for more than 12 hours.
+            To recreate the preview environment, you can push a new change to the PR.

examples/helmfile/.gitignore

@@ -1 +1,3 @@
-preview-comment.md
+preview-comment.md
+inactive-pull-requests.json
+override-values.yaml

examples/helmfile/destroy-inactive-preview-environments.js

@@ -0,0 +1,45 @@
+const childProcess = require("child_process");
+const fs = require("fs");
+
+async function main() {
+  const releaseList = JSON.parse(
+    childProcess.execSync(`helm list --all-namespaces -o json`).toString()
+  );
+
+  const previewReleases = releaseList
+    .filter((release) => release.namespace.startsWith("copilotkit-examples"))
+    .filter((release) => release.name === "next-openai")
+    .filter((release) => release.namespace !== "copilotkit-examples-main");
+
+  const inactiveReleases = previewReleases.filter(
+    (release) => {
+      const now = new Date();
+      const releaseUpdatedAt = new Date(release.updated);
+      const compareDate = new Date(now.getTime() - 12 * 60 * 60 * 1000); // 12 hours ago
+      return releaseUpdatedAt < compareDate;
+    }
+  );
+
+  const numReleasesToDelete = inactiveReleases.length;
+
+  console.log(`Found ${numReleasesToDelete} inactive releases to delete`);
+
+  const pullRequestNumbers = [];
+
+  for (const release of inactiveReleases) {
+    const environment = release.namespace.replace("copilotkit-examples-", "");
+    const pullRequestNumber = environment.replace("pr-", "");
+    const namespace = release.namespace;
+    console.log(`Deleting environment ${environment} in namespace ${namespace}`);
+    childProcess.execSync(`helmfile --state-values-set environment=${environment},namespace=${namespace} destroy`);
+    childProcess.execSync(`kubectl delete namespace ${release.namespace}`);
+    pullRequestNumbers.push(pullRequestNumber);
+  }
+
+  console.log(`Deleted ${numReleasesToDelete} inactive releases`);
+
+  // Write to local file - inactive-pull-requests.json
+  fs.writeFileSync("inactive-pull-requests.json", JSON.stringify(pullRequestNumbers));
+}
+
+main();