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| name: "Terraform plan on PR and apply on merge to main" | |
| on: | |
| pull_request: | |
| types: | |
| - opened | |
| - synchronize | |
| - closed | |
| permissions: | |
| id-token: write # This is required for aws oidc connection | |
| contents: read # This is required for actions/checkout | |
| pull-requests: write # This is required for gh bot to comment PR | |
| env: | |
| TF_LOG: INFO | |
| AWS_REGION: ${{ secrets.AWS_REGION }} | |
| jobs: | |
| tf-plan: | |
| runs-on: ubuntu-latest | |
| defaults: | |
| run: | |
| shell: bash | |
| working-directory: . | |
| steps: | |
| - name: Git checkout | |
| uses: actions/checkout@v3 | |
| - name: Set up Python | |
| uses: actions/setup-python@v2 | |
| with: | |
| python-version: 3.9 | |
| - name: Install Lambda (python) dependencies | |
| run: | | |
| pip install --user pipenv | |
| export PIPENV_VENV_IN_PROJECT=1 && mkdir .venv && touch Pipfile | |
| pipenv install --deploy | |
| - name: Configure AWS credentials from AWS account | |
| uses: aws-actions/configure-aws-credentials@v1 | |
| with: | |
| role-to-assume: ${{ secrets.AWS_ROLE }} | |
| aws-region: ${{ secrets.AWS_REGION }} | |
| role-session-name: GitHub-OIDC-TERRAFORM | |
| - name: Setup Terraform | |
| uses: hashicorp/setup-terraform@v2 | |
| with: | |
| terraform_version: 1.7.5 | |
| - name: Terraform fmt | |
| id: fmt | |
| run: cd terraform && | |
| terraform fmt -check | |
| continue-on-error: false | |
| - name: Terraform Init | |
| id: init | |
| env: | |
| AWS_BUCKET_NAME: ${{ secrets.AWS_BUCKET_NAME_TFSTATE }} | |
| AWS_BUCKET_KEY_NAME: ${{ secrets.AWS_TFSTATE_FILE_NAME }} | |
| run: cd terraform && | |
| terraform init -backend-config="bucket=${AWS_BUCKET_NAME}" -backend-config="key=${AWS_BUCKET_KEY_NAME}" -backend-config="region=${AWS_REGION}" | |
| - name: Terraform Plan | |
| id: plan | |
| run: | | |
| cd terraform | |
| terraform plan -no-color -out=tfplan | |
| env: | |
| TF_VAR_notification_email: ${{ secrets.NOTIFICATION_EMAIL }} | |
| TF_VAR_api_base_url: ${{ secrets.BASE_URL }} | |
| continue-on-error: false | |
| - uses: actions/github-script@v6 | |
| if: github.event_name == 'pull_request' | |
| env: | |
| PLAN: "terraform\n${{ steps.plan.outputs.stdout }}" | |
| with: | |
| github-token: ${{ secrets.GITHUB_TOKEN }} | |
| script: | | |
| var updatedPlan = process.env.PLAN.replace(/${{secrets.AWS_ACCOUNT_ID}}/g, '127449185323'); | |
| updatedPlan = updatedPlan.replace(/${{secrets.AWS_BUCKET_NAME_TFSTATE}}/g, "tfstate-bucket"); | |
| updatedPlan = updatedPlan.replace(/${{secrets.NOTIFICATION_EMAIL}}/g, "socdev@dev.com"); | |
| process.env.PLAN = updatedPlan; | |
| const output = `#### Terraform Format and Style 🖌\`${{ steps.fmt.outcome }}\` | |
| #### Terraform Initialization ⚙️\`${{ steps.init.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.event.pull_request.merged == true | |
| run: | | |
| cd terraform | |
| terraform apply tfplan |