237 lines
7.2 KiB
YAML
237 lines
7.2 KiB
YAML
name: Terragrunt CI/CD
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on:
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pull_request:
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branches: [main, master]
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paths:
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- '**.tf'
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- '**.hcl'
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- '**.tfvars'
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push:
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branches: [main, master]
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paths:
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- '**.tf'
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- '**.hcl'
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- '**.tfvars'
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workflow_dispatch:
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inputs:
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environment:
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description: 'Environment to deploy'
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required: true
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type: choice
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options:
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- dev
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- staging
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- prod
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action:
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description: 'Action to perform'
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required: true
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type: choice
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options:
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- plan
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- apply
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- destroy
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env:
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TF_VERSION: '1.5.0'
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TG_VERSION: '0.55.0'
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WORKING_DIR: 'environments' # Base directory for environments
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permissions:
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contents: read
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pull-requests: write
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id-token: write
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jobs:
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detect-changes:
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name: Detect Changed Modules
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runs-on: ubuntu-latest
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outputs:
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matrix: ${{ steps.set-matrix.outputs.matrix }}
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has-changes: ${{ steps.set-matrix.outputs.has-changes }}
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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with:
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fetch-depth: 0
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- name: Get Changed Files
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id: changed-files
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uses: tj-actions/changed-files@v42
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with:
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files: |
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**/*.tf
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**/*.hcl
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**/*.tfvars
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- name: Set Matrix
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id: set-matrix
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run: |
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# Find all directories with terragrunt.hcl that have changes
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changed_dirs=$(echo "${{ steps.changed-files.outputs.all_changed_files }}" | tr ' ' '\n' | xargs -I {} dirname {} | grep -E "environments/(dev|staging|prod)" | sort -u | jq -R -s -c 'split("\n")[:-1]')
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if [ "$changed_dirs" = "[]" ]; then
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echo "has-changes=false" >> $GITHUB_OUTPUT
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else
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echo "has-changes=true" >> $GITHUB_OUTPUT
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echo "matrix={\"directory\":$changed_dirs}" >> $GITHUB_OUTPUT
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fi
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validate:
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name: Validate
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runs-on: ubuntu-latest
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if: github.event_name == 'pull_request'
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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- name: Setup Terraform
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uses: hashicorp/setup-terraform@v3
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with:
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terraform_version: ${{ env.TF_VERSION }}
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terraform_wrapper: false
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- name: Setup Terragrunt
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run: |
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wget -q https://github.com/gruntwork-io/terragrunt/releases/download/v${{ env.TG_VERSION }}/terragrunt_linux_amd64
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chmod +x terragrunt_linux_amd64
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sudo mv terragrunt_linux_amd64 /usr/local/bin/terragrunt
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terragrunt --version
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- name: Terragrunt Format Check
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run: terragrunt hclfmt --terragrunt-check
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working-directory: ${{ env.WORKING_DIR }}
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continue-on-error: true
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- name: Terragrunt Validate All
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run: terragrunt run-all validate --terragrunt-non-interactive
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working-directory: ${{ env.WORKING_DIR }}
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plan:
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name: Plan - ${{ matrix.directory }}
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runs-on: ubuntu-latest
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needs: [detect-changes, validate]
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if: needs.detect-changes.outputs.has-changes == 'true'
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strategy:
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matrix: ${{ fromJson(needs.detect-changes.outputs.matrix) }}
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fail-fast: false
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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- name: Setup Terraform
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uses: hashicorp/setup-terraform@v3
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with:
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terraform_version: ${{ env.TF_VERSION }}
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terraform_wrapper: false
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- name: Setup Terragrunt
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run: |
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wget -q https://github.com/gruntwork-io/terragrunt/releases/download/v${{ env.TG_VERSION }}/terragrunt_linux_amd64
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chmod +x terragrunt_linux_amd64
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sudo mv terragrunt_linux_amd64 /usr/local/bin/terragrunt
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- name: Configure AWS Credentials
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uses: aws-actions/configure-aws-credentials@v4
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with:
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role-to-assume: ${{ secrets.AWS_ROLE_ARN }}
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aws-region: us-east-1
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- name: Terragrunt Plan
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id: plan
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run: |
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terragrunt run-all plan --terragrunt-non-interactive -out=tfplan 2>&1 | tee plan_output.txt
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working-directory: ${{ matrix.directory }}
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continue-on-error: true
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- name: Upload Plan Output
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uses: actions/upload-artifact@v4
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with:
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name: plan-${{ hashFiles(matrix.directory) }}
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path: ${{ matrix.directory }}/plan_output.txt
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retention-days: 5
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- name: Comment PR
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if: github.event_name == 'pull_request'
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uses: actions/github-script@v7
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with:
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script: |
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const fs = require('fs');
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const planPath = '${{ matrix.directory }}/plan_output.txt';
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let plan = 'Plan output not available';
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try {
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plan = fs.readFileSync(planPath, 'utf8');
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const maxLength = 65000;
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plan = plan.length > maxLength ? plan.substring(0, maxLength) + '\n... (truncated)' : plan;
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} catch (error) {
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plan = 'Error reading plan output: ' + error.message;
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}
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const output = `#### Terragrunt Plan for \`${{ matrix.directory }}\`
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<details><summary>Show Plan</summary>
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\`\`\`terraform
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${plan}
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\`\`\`
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</details>
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*Workflow: ${{ github.workflow }}, Actor: @${{ github.actor }}*`;
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github.rest.issues.createComment({
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issue_number: context.issue.number,
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owner: context.repo.owner,
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repo: context.repo.repo,
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body: output
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});
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apply:
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name: Apply - ${{ matrix.directory }}
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runs-on: ubuntu-latest
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needs: [detect-changes]
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if: |
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(github.event_name == 'push' && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master')) ||
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(github.event_name == 'workflow_dispatch' && github.event.inputs.action == 'apply')
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strategy:
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matrix:
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directory: ${{ github.event_name == 'workflow_dispatch' && fromJson(format('["environments/{0}"]', github.event.inputs.environment)) || fromJson(needs.detect-changes.outputs.matrix).directory }}
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fail-fast: false
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max-parallel: 1 # Apply one at a time
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environment:
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name: production # Configure approval in GitHub settings
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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- name: Setup Terraform
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uses: hashicorp/setup-terraform@v3
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with:
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terraform_version: ${{ env.TF_VERSION }}
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terraform_wrapper: false
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- name: Setup Terragrunt
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run: |
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wget -q https://github.com/gruntwork-io/terragrunt/releases/download/v${{ env.TG_VERSION }}/terragrunt_linux_amd64
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chmod +x terragrunt_linux_amd64
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sudo mv terragrunt_linux_amd64 /usr/local/bin/terragrunt
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- name: Configure AWS Credentials
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uses: aws-actions/configure-aws-credentials@v4
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with:
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role-to-assume: ${{ secrets.AWS_ROLE_ARN }}
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aws-region: us-east-1
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- name: Terragrunt Apply
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run: |
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terragrunt run-all apply --terragrunt-non-interactive -auto-approve
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working-directory: ${{ matrix.directory }}
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- name: Notify Success
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if: success()
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run: echo "✅ Terragrunt apply completed for ${{ matrix.directory }}"
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- name: Notify Failure
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if: failure()
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run: echo "❌ Terragrunt apply failed for ${{ matrix.directory }}"
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