prod_cd_citizen-auth.yml

name: Continuous Delivery on prod citizen-auth

on:
  workflow_dispatch:
  push:
    branches:
      - main
    paths:
      - "src/domains/citizen-auth**"
      - ".github/workflows/prod**citizen-auth.yml"

permissions:
  id-token: write
  contents: read

env:
  DIR: "src/domains/citizen-auth"
  ARM_USE_OIDC: true
  ARM_USE_AZUREAD: true
  ARM_STORAGE_USE_AZUREAD: true

jobs:

  terraform_plan_job:
    name: Terraform Plan
    runs-on: self-hosted
    environment: prod-ci
    env:
      ARM_CLIENT_ID: ${{ secrets.ARM_CLIENT_ID }}
      ARM_SUBSCRIPTION_ID: ${{ secrets.ARM_SUBSCRIPTION_ID }}
      ARM_TENANT_ID: ${{ secrets.ARM_TENANT_ID }}

    steps:

      - name: Checkout
        id: checkout
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
        with:
          persist-credentials: false
          fetch-depth: 0

      - name: Azure Login
        id: az_login
        uses: azure/login@6b2456866fc08b011acb422a92a4aa20e2c4de32 # v2.1.0
        with:
          client-id: ${{ env.ARM_CLIENT_ID }}
          tenant-id: ${{ env.ARM_TENANT_ID }}
          subscription-id: ${{ env.ARM_SUBSCRIPTION_ID }}

      - name: Set Terraform Version
        id: env_tf_version
        run: |
          echo "terraform_version=$(cat .terraform-version)" >> $GITHUB_OUTPUT

      - uses: hashicorp/setup-terraform@a1502cd9e758c50496cc9ac5308c4843bcd56d36
        id: terraform_setup
        name: Setup Terraform
        with:
          terraform_version: ${{ steps.env_tf_version.outputs.terraform_version}}
          terraform_wrapper: true

      - name: Terraform plan common
        shell: bash
        working-directory: ${{ env.DIR }}-common
        env:
          AZURE_ENVIRONMENT: prod
        run: |
          bash ./terraform.sh plan ${{ env.AZURE_ENVIRONMENT }} -lock-timeout=3000s -out=tfplan-${{ env.AZURE_ENVIRONMENT }}-${{ github.sha }} -input=false

      - name: Terraform plan weu-prod01
        shell: bash
        working-directory: ${{ env.DIR }}-app
        env:
          AZURE_ENVIRONMENT: weu-prod01
        run: |
          bash ./terraform.sh plan ${{ env.AZURE_ENVIRONMENT }} -lock-timeout=3000s -out=tfplan-${{ env.AZURE_ENVIRONMENT }}-${{ github.sha }} -input=false

      - uses: actions/upload-artifact@c7d193f32edcb7bfad88892161225aeda64e9392
        id: artifact_upload
        name: Upload plans as artifacts
        with:
          name: tfplan-output
          if-no-files-found: error
          path: |
            **/tfplan-prod-*
            **/tfplan-weu-prod01-*

    outputs:
      terraform_version: ${{ steps.env_tf_version.outputs.terraform_version}}

  terraform_apply_job:
    name: Terraform Apply
    runs-on: self-hosted
    environment: prod-cd
    needs: [terraform_plan_job]
    env:
      ARM_CLIENT_ID: ${{ secrets.ARM_CLIENT_ID }}
      ARM_SUBSCRIPTION_ID: ${{ secrets.ARM_SUBSCRIPTION_ID }}
      ARM_TENANT_ID: ${{ secrets.ARM_TENANT_ID }}

    steps:

      - name: Checkout
        id: checkout
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
        with:
          persist-credentials: false
          fetch-depth: 0

      - uses: actions/download-artifact@f44cd7b40bfd40b6aa1cc1b9b5b7bf03d3c67110
        id: artifact_download
        name: Download plans as artifact
        with:
          name: tfplan-output

      - name: Azure Login
        id: az_login
        uses: azure/login@6b2456866fc08b011acb422a92a4aa20e2c4de32 # v2.1.0
        with:
          client-id: ${{ env.ARM_CLIENT_ID }}
          tenant-id: ${{ env.ARM_TENANT_ID }}
          subscription-id: ${{ env.ARM_SUBSCRIPTION_ID }}

      - uses: hashicorp/setup-terraform@a1502cd9e758c50496cc9ac5308c4843bcd56d36
        id: terraform_setup
        name: Setup Terraform
        with:
          terraform_version: ${{ needs.terraform_plan_job.outputs.terraform_version }}
          terraform_wrapper: true

      - name: Terraform init common
        id: terraform_init_common
        shell: bash
        working-directory: ${{ env.DIR }}-common
        env:
          AZURE_ENVIRONMENT: prod
        run: |
          bash ./terraform.sh init ${{ env.AZURE_ENVIRONMENT }}

      - name: Terraform apply common
        id: terraform_apply_common
        shell: bash
        working-directory: ${{ env.DIR }}-common
        env:
          AZURE_ENVIRONMENT: prod
        run: |
          terraform apply -lock-timeout=3000s -auto-approve -input=false tfplan-${{ env.AZURE_ENVIRONMENT }}-${{ github.sha }}

      - name: Terraform init weu-prod01
        id: terraform_init_weu-prod01
        shell: bash
        working-directory: ${{ env.DIR }}-app
        env:
          AZURE_ENVIRONMENT: weu-prod01
        run: |
          bash ./terraform.sh init ${{ env.AZURE_ENVIRONMENT }}

      - name: Terraform apply weu-prod01
        id: terraform_apply_weu-prod01
        shell: bash
        working-directory: ${{ env.DIR }}-app
        env:
          AZURE_ENVIRONMENT: weu-prod01
        run: |
          terraform apply -lock-timeout=3000s -auto-approve -input=false tfplan-${{ env.AZURE_ENVIRONMENT }}-${{ github.sha }}