terraform-github.yml

name: "Terraform: GitHub resources"

on:
  push:
    paths:
      - 'terraform/github/**'
      - '!**.md'
      - '.github/workflows/terraform-github.yml'
      - 'environments/**.json'
      - '.github/workflows/reusable_terraform_plan_apply.yml'
    branches:
      - main
  pull_request:
    paths:
      - 'terraform/github/**'
      - '!**.md'
      - '.github/workflows/terraform-github.yml'
      - 'environments/**.json'
      - '.github/workflows/reusable_terraform_plan_apply.yml'
    branches:
      - main
    types: [opened, edited, reopened, synchronize]
  schedule:
    # * is a special character in YAML so you have to quote this string
    # trigger every Saturday at 12:00am
    - cron: '0 12 * * 6'
  workflow_dispatch:

defaults:
  run:
    shell: bash

permissions:
  id-token: write # This is required for requesting the JWT
  contents: read # This is required for actions/checkout

jobs:
  github-plan-and-apply:
    uses: ./.github/workflows/reusable_terraform_plan_apply.yml
    with:
      working-directory: "terraform/github"
    secrets:
      modernisation_platform_environments: ${{ secrets.MODERNISATION_PLATFORM_ENVIRONMENTS }}
      gh_workflow_token: ${{ secrets.TERRAFORM_GITHUB_TOKEN }}
      SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}

  create-github-environments:
    runs-on: ubuntu-latest
    needs: [ github-plan-and-apply ]
    steps:
      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
        with:
          fetch-depth: 0 # or "2" To retrieve the preceding commit.
      - name: Create GitHub member environments plan
        run: bash ./scripts/git-create-environments.sh
        env:
          DRY_RUN: true
          TERRAFORM_GITHUB_TOKEN: ${{ secrets.TERRAFORM_GITHUB_TOKEN }}
      - name: Create GitHub member environments apply
        if: github.event.ref == 'refs/heads/main'
        run: bash ./scripts/git-create-environments.sh
        env:
          TERRAFORM_GITHUB_TOKEN: ${{ secrets.TERRAFORM_GITHUB_TOKEN }}
      - name: Slack failure notification
        if: ${{ failure() }}
        uses: slackapi/slack-github-action@37ebaef184d7626c5f204ab8d3baff4262dd30f0 # v1.27.0
        with:
          payload: |
            {"blocks":[{"type": "section","text": {"type": "mrkdwn","text": ":no_entry: Failed GitHub Action:"}},{"type": "section","fields":[{"type": "mrkdwn","text": "*Workflow:*\n<${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}|${{ github.workflow }}>"},{"type": "mrkdwn","text": "*Job:*\n${{ github.job }}"},{"type": "mrkdwn","text": "*Repo:*\n${{ github.repository }}"}]}]}
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
          SLACK_WEBHOOK_TYPE: INCOMING_WEBHOOK