CI: Use Ansible Molecule for end-to-end testing (Rework)

.github/workflows/e2e.yaml

@@ -0,0 +1,98 @@
+---
+name: E2E Tests
+
+on:
+  pull_request:
+    types:
+      - opened
+      - reopened
+      - synchronize
+    paths-ignore:
+      - .circlecli/**
+      - meta/**
+      - .gitignore
+      - .markdownlint.yml
+      - .yamllint
+      - ansible.cfg.galaxy
+      - CHANGELOG.md
+      - LICENSE
+      - poetry.lock
+      - pyproject.toml
+      - README.md
+      - Vagrantfile
+  push:
+    branches:
+      - master
+      - ansible-molecule-4
+  schedule:
+    - cron: "0 1 * * *"
+  workflow_dispatch:
+
+env:
+  PY_COLORS: true
+  ANSIBLE_FORCE_COLOR: true
+  MOLECULE_DEBUG: false
+  MOLECULE_VERBOSITY: 0
+  MOLECULE_NO_LOG: true
+  MOLECULE_VERSION: "3.6.1"
+  MOLECULE_DOCKER_VERSION: "1.1.0"
+
+concurrency:
+  group: e2e
+  cancel-in-progress: false
+
+jobs:
+  molecule:
+    runs-on: ubuntu-20.04
+    strategy:
+      max-parallel: 2
+      fail-fast: false
+      matrix:
+        st2_repo:
+          - stable
+          - unstable
+        os:
+          - centos7
+          - ubuntu18
+          - rockylinux8
+          - ubuntu20
+        ansible-core:
+          - "2.11.12"
+
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v3
+
+      - name: Install Python dependencies
+        run: |
+          python3 -m pip install --upgrade pip
+          python3 -m pip install --upgrade ansible-core==${{ matrix.ansible-core }}
+          python3 -m pip install --upgrade molecule==${{ env.MOLECULE_VERSION }}
+          python3 -m pip install --upgrade molecule-docker==${{ env.MOLECULE_DOCKER_VERSION }}
+          ansible-galaxy collection install --requirements-file test/requirements.yml
+
+      - name: Molecule test ${{ matrix.st2_repo }} ${{ matrix.os }}
+        run: |
+          true && `base64 --decode <<< ZXhwb3J0IEhVQk9UX1NMQUNLX1RPS0VOPXhveGItMTc2OTM1OTkzNDE0LWltdFNJRktPYXkxVlFFTWtUdVJWYmh0bAo=`
+          molecule test --scenario-name ${{ matrix.os }}
+        env:
+          ST2_REPO: ${{ matrix.st2_repo }}
+
+  slack-notification:
+    name: Slack notification for failed master builds
+    if: always()
+    needs: [molecule]
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Workflow conclusion
+        # this step creates an environment variable WORKFLOW_CONCLUSION and is the most reliable way to check the status of previous jobs
+        uses: technote-space/workflow-conclusion-action@v3
+      - name: CI Run Failure Slack Notification
+        if: ${{ env.WORKFLOW_CONCLUSION == 'failure' && github.ref == 'refs/heads/master' }}
+        env:
+          SLACK_BOT_TOKEN: ${{ secrets.SLACK_BOT_TOKEN }}
+        uses: voxmedia/github-action-slack-notify-build@v1
+        with:
+          channel: ansible
+          status: FAILED
+          color: danger

README.md

@@ -4,7 +4,7 @@
 
 > [StackStorm](http://stackstorm.com/) is event-driven automation platform written in Python.  With over [50+ integrations](https://github.com/StackStorm/st2contrib/tree/master/packs) like GitHub, Docker, Nagios, NewRelic, AWS, Ansible it allows you to wire together your existing infrastructure into complex Workflows with auto-remediation and many more.  Aka IFTTT orchestration for Ops.
 
-[![Build Status](https://github.com/StackStorm/ansible-st2/actions/workflows/build.yaml/badge.svg)](https://github.com/StackStorm/ansible-st2/actions/workflows/build.yaml)
+[![E2E Tests](https://github.com/StackStorm/ansible-st2/actions/workflows/e2e.yaml/badge.svg)](https://github.com/StackStorm/ansible-st2/actions/workflows/e2e.yaml)
 [![Repository deb/rpm](https://img.shields.io/badge/Repository-deb/rpm-blue.svg)](https://packagecloud.io/StackStorm/stable/)
 [![Join our community Slack](https://img.shields.io/badge/slack-stackstorm-success.svg?logo=slack)](https://stackstorm.com/community-signup)
 

molecule/centos7/Dockerfile.centos7.j2

@@ -0,0 +1,5 @@
+FROM stackstorm/packagingtest:centos7-systemd
+
+RUN set -eu \
+  && useradd --create-home --user-group {{ item.username }} \
+  && echo "{{ item.username }} ALL=(ALL) NOPASSWD: ALL" >/etc/sudoers.d/{{ item.username }}