meta: add resume-ci label

Author: MoLow

.github/workflows/auto-resume-ci.yml

@@ -0,0 +1,70 @@
+name: Auto Start CI
+
+on:
+  schedule:
+    # Runs every five minutes (fastest the scheduler can run). Five minutes is
+    # optimistic, it can take longer to run.
+    # To understand why `schedule` is used instead of other events, refer to
+    # ./doc/contributing/commit-queue.md
+    - cron: '*/5 * * * *'
+
+concurrency: ${{ github.workflow }}
+
+env:
+  NODE_VERSION: lts/*
+
+permissions:
+  contents: read
+
+jobs:
+  get-prs-for-ci:
+    permissions:
+      pull-requests: read
+    if: github.repository == 'nodejs/node'
+    runs-on: ubuntu-latest
+    outputs:
+      numbers: ${{ steps.get_prs_for_ci.outputs.numbers }}
+    steps:
+      - name: Get Pull Requests
+        id: get_prs_for_ci
+        run: >
+          gh pr list \
+                  --repo ${{ github.repository }} \
+                  --label 'resume-ci' \
+                  --json 'number' \
+                  -t '::set-output name=numbers::{{ range . }}{{ .number }} {{ end }}' \
+                  --limit 100
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  start-ci:
+    permissions:
+      contents: read
+      pull-requests: write
+    needs: get-prs-for-ci
+    if: needs.get-prs-for-ci.outputs.numbers != ''
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          persist-credentials: false
+
+      - name: Install Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+
+      - name: Install node-core-utils
+        run: npm install -g node-core-utils
+
+      - name: Setup node-core-utils
+        run: |
+          ncu-config set username ${{ secrets.JENKINS_USER }}
+          ncu-config set token none
+          ncu-config set jenkins_token ${{ secrets.JENKINS_TOKEN }}
+          ncu-config set owner "${{ github.repository_owner }}"
+          ncu-config set repo "$(echo ${{ github.repository }} | cut -d/ -f2)"
+
+      - name: Resume the CI Runs
+        run: ./tools/actions/resume-ci.sh ${{ needs.get-prs-for-ci.outputs.numbers }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

doc/contributing/commit-queue.md

@@ -20,7 +20,7 @@ From a high-level, the Commit Queue works as follow:
 1. Collaborators will add `commit-queue` label to pull requests ready to land
 2. Every five minutes the queue will do the following for each pull request
    with the label:
-   1. Check if the PR also has a `request-ci` label (if it has, skip this PR
+   1. Check if the PR also has a `request-ci` or `resume-ci` label (if it has, skip this PR
       since it's pending a CI run)
    2. Check if the last Jenkins CI is finished running (if it is not, skip this
       PR)
@@ -98,7 +98,7 @@ that into a list of PR ids we can pass as arguments to
 
 The script will iterate over the pull requests. `ncu-ci` is used to check if
 the last CI is still pending, and calls to the GitHub API are used to check if
-the PR is waiting for CI to start (`request-ci` label). The PR is skipped if CI
+the PR is waiting for CI to start (`request-ci` pr `resume-ci` label). The PR is skipped if CI
 is pending. No other CI validation is done here since `git node land` will fail
 if the last CI failed.
 

tools/actions/commit-queue.sh

@@ -38,6 +38,10 @@ for pr in "$@"; do
     echo "pr ${pr} skipped, waiting for CI to start"
     continue
   fi
+  if jq -e 'map(.name) | index("resume-ci")' < labels.json; then
+    echo "pr ${pr} skipped, waiting for CI to start"
+    continue
+  fi
 
   # Skip PR if CI is still running
   if gh pr checks "$pr" | grep -q "\spending\s"; then

tools/actions/resume-ci.sh

@@ -0,0 +1,26 @@
+#!/bin/sh
+
+set -xe
+
+RESUME_CI_LABEL="resume-ci"
+RESUME_CI_FAILED_LABEL="resume-ci-failed"
+
+for pr in "$@"; do
+  gh pr edit "$pr" --remove-label "$RESUME_CI_LABEL"
+
+  ci_started=yes
+  rm -f output;
+  ncu-ci resume "$pr" >output 2>&1 || ci_started=no
+  cat output
+
+  if [ "$ci_started" = "no" ]; then
+    # Do we need to reset?
+    gh pr edit "$pr" --add-label "$RESUME_CI_FAILED_LABEL"
+
+    jq -n --arg content "<details><summary>Couldn't resume CI</summary><pre>$(cat output || true)</pre></details>" > output.json
+
+    gh pr comment "$pr" --body-file output.json
+
+    rm output.json;
+  fi
+done;