Add workflows #1
Workflow file for this run
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| name: Terraform Preview | |
| on: | |
| pull_request: | |
| branches: | |
| - main | |
| jobs: | |
| preview: | |
| name: Plan Terraform changes in changed stacks | |
| runs-on: ubuntu-latest | |
| permissions: | |
| id-token: write | |
| contents: read | |
| pull-requests: write | |
| checks: read | |
| steps: | |
| ### Create Pull Request comment | |
| - name: Prepare pull request preview comment | |
| if: github.event.pull_request | |
| uses: marocchino/sticky-pull-request-comment@v2 | |
| with: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| header: preview | |
| message: | | |
| ## Preview of Terraform changes in ${{ github.event.pull_request.head.sha }} | |
| :warning: preview is being created... please stand by! | |
| ### Check out the code | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| with: | |
| ref: ${{ github.head_ref }} | |
| fetch-depth: 0 | |
| ### Install tooling | |
| - name: Install Terramate | |
| uses: terramate-io/terramate-action@v2 | |
| - name: Install asdf | |
| uses: asdf-vm/actions/setup@v3 | |
| - name: Install Terraform with asdf | |
| run: | | |
| asdf plugin add terraform | |
| asdf install terraform | |
| ### Linting | |
| - name: Check Terramate formatting | |
| run: terramate fmt --check | |
| - name: Check Terraform formatting | |
| run: terraform fmt -recursive -check -diff | |
| ### Check for changed stacks | |
| - name: List changed stacks | |
| id: list-changed | |
| run: terramate list -C stacks --changed | |
| ### Configure cloud credentials | |
| - name: 'Configure Azure credentials' | |
| if: steps.list-changed.outputs.stdout | |
| uses: azure/login@v2 | |
| with: | |
| client-id: ${{ secrets.AZURE_CLIENT_ID }} | |
| tenant-id: ${{ secrets.AZURE_TENANT_ID }} | |
| subscription-id: ${{ secrets.AZURE_SUBSCRIPTION_ID }} | |
| - name: Verify Azure credentials | |
| if: steps.list-changed.outputs.stdout | |
| run: | | |
| az account show | |
| ### Run the Terraform preview via Terramate in each changed stack | |
| - name: Run Terraform init in all changed stacks | |
| if: steps.list-changed.outputs.stdout | |
| run: | | |
| terramate script run \ | |
| -C stacks \ | |
| --changed \ | |
| --parallel 1 \ | |
| init | |
| env: | |
| GITHUB_TOKEN: ${{ github.token }} | |
| ARM_USE_OIDC: true | |
| ARM_CLIENT_ID: ${{ secrets.AZURE_CLIENT_ID }} | |
| ARM_TENANT_ID: ${{ secrets.AZURE_TENANT_ID }} | |
| ARM_SUBSCRIPTION_ID: ${{ secrets.AZURE_SUBSCRIPTION_ID }} | |
| - name: Plan Terraform changes in changed stacks | |
| if: steps.list-changed.outputs.stdout | |
| run: | | |
| terramate script run \ | |
| -C stacks \ | |
| --changed \ | |
| --parallel 5 \ | |
| --continue-on-error \ | |
| -- \ | |
| preview | |
| env: | |
| GITHUB_TOKEN: ${{ github.token }} | |
| ARM_USE_OIDC: true | |
| ARM_CLIENT_ID: ${{ secrets.AZURE_CLIENT_ID }} | |
| ARM_TENANT_ID: ${{ secrets.AZURE_TENANT_ID }} | |
| ARM_SUBSCRIPTION_ID: ${{ secrets.AZURE_SUBSCRIPTION_ID }} | |
| ### Update Pull Request comment | |
| - name: Generate preview details | |
| if: steps.list-changed.outputs.stdout | |
| id: comment | |
| run: | | |
| echo >>pr-comment.txt "## Preview of Terraform changes in ${{ github.event.pull_request.head.sha }}" | |
| echo >>pr-comment.txt | |
| echo >>pr-comment.txt '> [!TIP]' | |
| echo >>pr-comment.txt '> [:mag: View all Preview Details on Terramate Cloud](https://cloud.terramate.io/o/terramate-demo/review-requests)' | |
| echo >>pr-comment.txt | |
| echo >>pr-comment.txt "### Changed Stacks" | |
| echo >>pr-comment.txt | |
| echo >>pr-comment.txt '```bash' | |
| echo >>pr-comment.txt "${{ steps.list-changed.outputs.stdout }}" | |
| echo >>pr-comment.txt '```' | |
| echo >>pr-comment.txt | |
| echo >>pr-comment.txt "#### Terraform Plans" | |
| echo >>pr-comment.txt | |
| terramate script run --changed -- terraform render | dd bs=1024 count=248 >>pr-comment.txt | |
| [ "${PIPESTATUS[0]}" == "141" ] && sed -i 's/#### Terraform Plan/#### :warning: Terraform Plan truncated: please check console output :warning:/' pr-comment.txt | |
| cat pr-comment.txt >>$GITHUB_STEP_SUMMARY | |
| - name: Generate preview when no stacks changed | |
| if: success() && !steps.list-changed.outputs.stdout | |
| run: | | |
| echo >>pr-comment.txt "## Preview of Terraform changes in ${{ github.event.pull_request.head.sha }}" | |
| echo >>pr-comment.txt | |
| echo >>pr-comment.txt "### Changed Stacks" | |
| echo >>pr-comment.txt | |
| echo >>pr-comment.txt 'No changed stacks, no detailed preview will be generated.' | |
| cat pr-comment.txt >>$GITHUB_STEP_SUMMARY | |
| - name: Generate preview when things failed | |
| if: failure() | |
| run: | | |
| echo >>pr-comment.txt "## Preview of Terraform changes in ${{ github.event.pull_request.head.sha }}" | |
| echo >>pr-comment.txt | |
| echo >>pr-comment.txt '> [!TIP]' | |
| echo >>pr-comment.txt '> [:mag: View all Preview Details on Terramate Cloud](https://cloud.terramate.io/o/terramate-demo/review-requests)' | |
| echo >>pr-comment.txt | |
| echo >>pr-comment.txt "### Changed Stacks" | |
| echo >>pr-comment.txt | |
| echo >>pr-comment.txt '```bash' | |
| echo >>pr-comment.txt "${{ steps.list-changed.outputs.stdout }}" | |
| echo >>pr-comment.txt '```' | |
| echo >>pr-comment.txt ':boom: Generating preview failed. Please see details in Actions output.' | |
| cat pr-comment.txt >>$GITHUB_STEP_SUMMARY | |
| - name: Publish generated preview as GitHub commnent | |
| uses: marocchino/sticky-pull-request-comment@v2 | |
| with: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| header: preview | |
| path: pr-comment.txt |