CI: Release - monitor gitlab pipeline (#5460)

* Initial commit of gitlab pipeline monitoring

* increase max job time

* Improve debug output

* s/PR/issue/

Co-authored-by: Benjamin Kampmann <ben@parity.io>

substrate/.github/ISSUE_TEMPLATE/release.md

@@ -0,0 +1,9 @@
+---
+title: Release failure for {{ ref }}
+---
+
+Pipeline for release {{ ref }} failed. Please investigate.
+
+If the pipeline has failed before pushing to crates.io, delete the release tag
+and fix the release as necessary, retagging after complete. If the pipeline has
+failed after pushing to crates.io, create a new tag incrementing the version.

substrate/.github/workflows/check-gitlab-pipeline.yml

@@ -0,0 +1,30 @@
+# A github action to track the status of the gitlab pipeline for tagged
+# releases, and cancel the release/create a new issue if it fails
+
+name: Monitor gitlab pipeline status
+
+on:
+  push:
+    tags:
+      - v*
+      - ci-release-*
+
+jobs:
+  monitor:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Monitor pipeline
+        run: env; ./.maintain/github/check_gitlab_pipeline.sh
+        id: monitor_pipeline
+        env:
+          TAGGER: ${{ github.event.pusher.name }}
+      - name: Create Issue
+        if: failure()
+        uses: JasonEtco/create-an-issue@v2
+        with:
+          filename: .github/ISSUE_TEMPLATE/release.md
+          assignees: ${{ github.event.pusher.name }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}