secure-terraform-on-azure/.github/workflows/terraform.yml at fa3d68fbb5f05b2bfb51f46c0d0b503a78231da2 · codebytes/secure-terraform-on-azure · GitHub

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name: 'Terraform'

on:
  push:
    branches: [ "main" ]
  workflow_dispatch:

permissions:
  id-token: write
  contents: read

jobs:
  dev-state-store:
    name: 'Dev State Store'
    runs-on: ubuntu-latest
    environment: dev

    env:
      ARM_SUBSCRIPTION_ID: ${{ secrets.AZURE_SUBSCRIPTION_ID }}
      ARM_CLIENT_ID: ${{ secrets.AZURE_CLIENT_ID }}
      ARM_TENANT_ID: ${{ secrets.AZURE_TENANT_ID }}
      TF_STATE_STORAGEACCT: ${{ secrets.TF_STATE_STORAGEACCT }}
      TF_STATE_CONTAINER: ${{ secrets.TF_STATE_CONTAINER }}
      TF_STATE_RG: ${{ secrets.TF_STATE_RG }}

    steps:
      - name: Azure Login
        uses: azure/login@v2
        with:
          client-id: ${{ secrets.AZURE_CLIENT_ID }}
          tenant-id: ${{ secrets.AZURE_TENANT_ID }}
          subscription-id: ${{ secrets.AZURE_SUBSCRIPTION_ID }}

      - name: Azure CLI script
        uses: azure/CLI@v2
        with:
          inlineScript: |
            az group create --name $TF_STATE_RG --location eastus
            az storage account create --resource-group $TF_STATE_RG --name $TF_STATE_STORAGEACCT --sku Standard_LRS --encryption-services blob
            az storage container create --name $TF_STATE_CONTAINER --account-name $TF_STATE_STORAGEACCT

  dev:
    name: 'Dev Terraform'
    runs-on: ubuntu-latest
    environment: dev
    needs: dev-state-store

    # Use the Bash shell regardless whether the GitHub Actions runner is ubuntu-latest, macos-latest, or windows-latest
    defaults:
      run:
        shell: bash
        working-directory: example/dev

    env:
      ARM_SUBSCRIPTION_ID: ${{ secrets.AZURE_SUBSCRIPTION_ID }}
      ARM_CLIENT_ID: ${{ secrets.AZURE_CLIENT_ID }}
      ARM_TENANT_ID: ${{ secrets.AZURE_TENANT_ID }}
      ARM_USE_OIDC: true
      TF_STATE_STORAGEACCT: ${{ secrets.TF_STATE_STORAGEACCT }}
      TF_STATE_CONTAINER: ${{ secrets.TF_STATE_CONTAINER }}
      TF_STATE_RG: ${{ secrets.TF_STATE_RG }}
      TF_VAR_environment: dev

    steps:
    # Checkout the repository to the GitHub Actions runner
    - name: Checkout
      uses: actions/checkout@v5

    # Install the latest version of Terraform CLI and configure the Terraform CLI configuration file with a Terraform Cloud user API token
    - name: Setup Terraform
      uses: hashicorp/setup-terraform@v3
      with:
         terraform_version: latest # optional, default is latest

    # Initialize a new or existing Terraform working directory by creating initial files, loading any remote state, downloading modules, etc.
    - name: Terraform Init
      run: |
        terraform init \
          -backend-config="storage_account_name=$TF_STATE_STORAGEACCT" \
          -backend-config="container_name=$TF_STATE_CONTAINER" \
          -backend-config="resource_group_name=$TF_STATE_RG" \
          -backend-config="key=$TF_VAR_environment.terraform.tfstate"

    # Checks that all Terraform configuration files adhere to a canonical format
    - name: Terraform Format
      run: terraform fmt -check

    # Generates an execution plan for Terraform
    - name: Terraform Plan
      run: terraform plan -input=false

      # On push to "main", build or change infrastructure according to Terraform configuration files
      # Note: It is recommended to set up a required "strict" status check in your repository for "Terraform Cloud". See the documentation on "strict" required status checks for more information: https://help.github.com/en/github/administering-a-repository/types-of-required-status-checks
    - name: Terraform Apply
      # if: github.ref == 'refs/heads/"main"' && github.event_name == 'push'
      run: terraform apply -auto-approve -input=false

  prod-state-store:
    name: 'prod State Store'
    runs-on: ubuntu-latest
    environment: prod
    needs: dev

    env:
      ARM_SUBSCRIPTION_ID: ${{ secrets.AZURE_SUBSCRIPTION_ID }}
      ARM_CLIENT_ID: ${{ secrets.AZURE_CLIENT_ID }}
      ARM_TENANT_ID: ${{ secrets.AZURE_TENANT_ID }}
      TF_STATE_STORAGEACCT: ${{ secrets.TF_STATE_STORAGEACCT }}
      TF_STATE_CONTAINER: ${{ secrets.TF_STATE_CONTAINER }}
      TF_STATE_RG: ${{ secrets.TF_STATE_RG }}

    steps:
      - name: Azure Login
        uses: azure/login@v2
        with:
          client-id: ${{ secrets.AZURE_CLIENT_ID }}
          tenant-id: ${{ secrets.AZURE_TENANT_ID }}
          subscription-id: ${{ secrets.AZURE_SUBSCRIPTION_ID }}

      - name: Azure CLI script
        uses: azure/CLI@v2
        with:
          inlineScript: |
            az group create --name $TF_STATE_RG --location eastus
            az storage account create --resource-group $TF_STATE_RG --name $TF_STATE_STORAGEACCT --sku Standard_LRS --encryption-services blob
            az storage container create --name $TF_STATE_CONTAINER --account-name $TF_STATE_STORAGEACCT

  prod:
    name: 'prod Terraform'
    runs-on: ubuntu-latest
    environment: prod
    needs: prod-state-store

    # Use the Bash shell regardless whether the GitHub Actions runner is ubuntu-latest, macos-latest, or windows-latest
    defaults:
      run:
        shell: bash
        working-directory: example/prod

    env:
      ARM_SUBSCRIPTION_ID: ${{ secrets.AZURE_SUBSCRIPTION_ID }}
      ARM_CLIENT_ID: ${{ secrets.AZURE_CLIENT_ID }}
      ARM_TENANT_ID: ${{ secrets.AZURE_TENANT_ID }}
      ARM_USE_OIDC: true
      TF_STATE_STORAGEACCT: ${{ secrets.TF_STATE_STORAGEACCT }}
      TF_STATE_CONTAINER: ${{ secrets.TF_STATE_CONTAINER }}
      TF_STATE_RG: ${{ secrets.TF_STATE_RG }}
      TF_VAR_environment: prod

    steps:
    # Checkout the repository to the GitHub Actions runner
    - name: Checkout
      uses: actions/checkout@v5

    # Install the latest version of Terraform CLI and configure the Terraform CLI configuration file with a Terraform Cloud user API token
    - name: Setup Terraform
      uses: hashicorp/setup-terraform@v3
      with:
         terraform_version: latest # optional, default is latest

    # Initialize a new or existing Terraform working directory by creating initial files, loading any remote state, downloading modules, etc.
    - name: Terraform Init
      run: |
        terraform init \
          -backend-config="storage_account_name=$TF_STATE_STORAGEACCT" \
          -backend-config="container_name=$TF_STATE_CONTAINER" \
          -backend-config="resource_group_name=$TF_STATE_RG" \
          -backend-config="key=$TF_VAR_environment.terraform.tfstate"

    # Checks that all Terraform configuration files adhere to a canonical format
    - name: Terraform Format
      run: terraform fmt -check

    # Generates an execution plan for Terraform
    - name: Terraform Plan
      run: terraform plan -input=false

      # On push to "main", build or change infrastructure according to Terraform configuration files
      # Note: It is recommended to set up a required "strict" status check in your repository for "Terraform Cloud". See the documentation on "strict" required status checks for more information: https://help.github.com/en/github/administering-a-repository/types-of-required-status-checks
    - name: Terraform Apply
      # if: github.ref == 'refs/heads/"main"' && github.event_name == 'push'
      run: terraform apply -auto-approve -input=false