Terraform Plan/Apply #25
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| name: 'Terraform Plan/Apply' | |
| on: [workflow_dispatch] | |
| #Special permissions required for OIDC authentication | |
| permissions: | |
| id-token: write | |
| contents: read | |
| pull-requests: write | |
| #These environment variables are used by the terraform azure provider to setup OIDD authenticate. | |
| env: | |
| ARM_CLIENT_ID: "${{ secrets.AZURE_CLIENT_ID }}" | |
| ARM_SUBSCRIPTION_ID: "${{ secrets.AZURE_SUBSCRIPTION_ID }}" | |
| ARM_TENANT_ID: "${{ secrets.AZURE_TENANT_ID }}" | |
| GIT_SSH_COMMAND: ${{ secrets.GIT_SSH_COMMAND }} | |
| ARM_USE_OIDC: true | |
| jobs: | |
| terraform-plan: | |
| name: 'Terraform Plan' | |
| runs-on: ubuntu-latest | |
| environment: plan | |
| env: | |
| #this is needed since we are running terraform with read-only permissions | |
| ARM_SKIP_PROVIDER_REGISTRATION: true | |
| outputs: | |
| tfplanExitCode: ${{ steps.tf-plan.outputs.exitcode }} | |
| steps: | |
| # Checkout the repository to the GitHub Actions runner | |
| - name: Checkout | |
| uses: actions/checkout@v3 | |
| # Install Azure CLI | |
| - name: Setup Azure CLI | |
| run: curl -sL https://aka.ms/InstallAzureCLIDeb | sudo bash | |
| # Login in to Azure using OpenID | |
| - name: Log in to Azure using OIDC | |
| uses: azure/login@v1 | |
| with: | |
| client-id: ${{ secrets.AZURE_CLIENT_ID }} | |
| tenant-id: ${{ secrets.AZURE_TENANT_ID }} | |
| subscription-id: ${{ secrets.AZURE_SUBSCRIPTION_ID }} | |
| # Install the latest version of Terraform CLI and configure the Terraform CLI configuration file with a Terraform Cloud user API token | |
| - name: Setup Terraform | |
| uses: hashicorp/setup-terraform@v2 | |
| with: | |
| terraform_wrapper: false | |
| # Install SSH | |
| - name: Setup SSH | |
| run: sudo apt-get install openssh-client -y | |
| # Initialize a new or existing Terraform working directory by creating initial files, loading any remote state, downloading modules, etc. | |
| - name: Terraform Init | |
| run: | | |
| eval `ssh-agent -s` | |
| ssh-add - <<< '${{ secrets.SSH_KEY_GITHUB_ACTIONS }}' | |
| terraform init | |
| # Generates an execution plan for Terraform | |
| # An exit code of 0 indicated no changes, 1 a terraform failure, 2 there are pending changes. | |
| - name: Terraform Plan | |
| id: tf-plan | |
| run: | | |
| export exitcode=0 | |
| terraform plan -detailed-exitcode -no-color -out tfplan || export exitcode=$? | |
| echo "exitcode=$exitcode" >> $GITHUB_OUTPUT | |
| if [ $exitcode -eq 1 ]; then | |
| echo Terraform Plan Failed! | |
| exit 1 | |
| else | |
| exit 0 | |
| fi | |
| # Save plan to artifacts | |
| - name: Publish Terraform Plan | |
| uses: actions/upload-artifact@v3 | |
| with: | |
| name: tfplan | |
| path: tfplan | |
| terraform-apply: | |
| name: 'Terraform Apply' | |
| if: needs.terraform-plan.outputs.tfplanExitCode == 2 | |
| runs-on: ubuntu-latest | |
| environment: apply | |
| env: | |
| #this is needed since we are running terraform with read-only permissions | |
| ARM_SKIP_PROVIDER_REGISTRATION: true | |
| needs: [terraform-plan] | |
| steps: | |
| # Checkout the repository to the GitHub Actions runner | |
| - name: Checkout | |
| uses: actions/checkout@v3 | |
| # Install Azure CLI | |
| - name: Setup Azure CLI | |
| run: curl -sL https://aka.ms/InstallAzureCLIDeb | sudo bash | |
| # Login in to Azure using OpenID | |
| - name: Log in to Azure using OIDC | |
| uses: azure/login@v1 | |
| with: | |
| client-id: ${{ secrets.AZURE_CLIENT_ID }} | |
| tenant-id: ${{ secrets.AZURE_TENANT_ID }} | |
| subscription-id: ${{ secrets.AZURE_SUBSCRIPTION_ID }} | |
| # Install the latest version of Terraform CLI and configure the Terraform CLI configuration file with a Terraform Cloud user API token | |
| - name: Setup Terraform | |
| uses: hashicorp/setup-terraform@v2 | |
| # Install SSH | |
| - name: Setup SSH | |
| run: sudo apt-get install openssh-client -y | |
| # Install latest Node | |
| - name: Setup Node | |
| uses: actions/setup-node@v3 | |
| with: | |
| node-version: 'latest' | |
| # Initialize a new or existing Terraform working directory by creating initial files, loading any remote state, downloading modules, etc. | |
| - name: Terraform Init | |
| run: | | |
| eval `ssh-agent -s` | |
| ssh-add - <<< '${{ secrets.SSH_KEY_GITHUB_ACTIONS }}' | |
| terraform init | |
| # Download saved plan from artifacts | |
| - name: Download Terraform Plan | |
| uses: actions/download-artifact@v3 | |
| with: | |
| name: tfplan | |
| # Terraform Apply | |
| - name: Terraform Apply | |
| run: terraform apply -auto-approve tfplan |