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| name: "Terraform Infrastructure Change Management Pipeline with GitHub Actions" | |
| on: | |
| workflow_dispatch: | |
| push: | |
| branches: | |
| - main | |
| # paths: | |
| # - terraform/** | |
| pull_request: | |
| branches: | |
| - main | |
| # paths: | |
| # - terraform/** | |
| env: | |
| # verbosity setting for Terraform logs | |
| TF_LOG: INFO | |
| TF_VAR_client_id: ${{ secrets.TF_VAR_CLIENT_ID }} | |
| TF_VAR_client_secret: ${{ secrets.TF_VAR_CLIENT_SECRET }} | |
| TF_VAR_subscription_id: ${{ secrets.TF_VAR_SUBSCRIPTION_ID }} | |
| TF_VAR_tenant_id: ${{ secrets.TF_VAR_TENANT_ID }} | |
| permissions: | |
| contents: write | |
| jobs: | |
| terraform: | |
| name: "Terraform Infrastructure Change Management" | |
| runs-on: ubuntu-latest | |
| defaults: | |
| run: | |
| shell: bash | |
| # We keep Terraform files in the terraform directory. | |
| # working-directory: ./terraform | |
| steps: | |
| - name: Checkout the repository to the runner | |
| uses: actions/checkout@v3 | |
| - name: Setup Terraform with specified version on the runner | |
| uses: hashicorp/setup-terraform@v2 | |
| with: | |
| terraform_version: 1.5.7 | |
| - name: Azure login | |
| uses: azure/login@v2 | |
| with: | |
| creds: ${{ secrets.AZURE_CREDENTIALS }} | |
| - name: Terraform init | |
| id: init | |
| run: terraform init -backend-config="client_id=$TF_VAR_client_id" -backend-config="client_secret=$TF_VAR_client_secret" -backend-config="subscription_id=$TF_VAR_subscription_id" -backend-config="tenant_id=$TF_VAR_tenant_id" | |
| - name: Terraform format | |
| id: fmt | |
| run: terraform fmt -check | |
| - name: Terraform validate | |
| id: validate | |
| run: terraform validate | |
| - name: Terraform plan | |
| id: plan | |
| if: github.event_name == 'pull_request' | |
| run: terraform plan -no-color -input=false | |
| continue-on-error: true | |
| - name: Plan details comment | |
| uses: actions/github-script@v6 | |
| if: github.event_name == 'pull_request' | |
| env: | |
| PLAN: "terraform\n${{ steps.plan.outputs.stdout }}" | |
| with: | |
| script: | | |
| const output = `#### Terraform Format and Style 🖌\`${{ steps.fmt.outcome }}\` | |
| #### Terraform Initialization ⚙️\`${{ steps.init.outcome }}\` | |
| #### Terraform Validation 🤖\`${{ steps.validate.outcome }}\` | |
| #### Terraform Plan 📖\`${{ steps.plan.outcome }}\` | |
| <details><summary>Show Plan</summary> | |
| \`\`\`\n | |
| ${process.env.PLAN} | |
| \`\`\` | |
| </details> | |
| *Pushed by: @${{ github.actor }}, Action: \`${{ github.event_name }}\`*`; | |
| github.rest.issues.createComment({ | |
| issue_number: context.issue.number, | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| body: output | |
| }) | |
| - name: Terraform Plan Status | |
| if: steps.plan.outcome == 'failure' | |
| run: exit 1 | |
| - name: Terraform Apply | |
| if: github.ref == 'refs/heads/main' && github.event_name == 'push' | |
| run: terraform apply -auto-approve -input=false |