Files
gh-ahmedasmar-devops-claude…/skills/assets/workflows/github-actions-terragrunt.yml
2025-11-29 17:51:17 +08:00

237 lines
7.2 KiB
YAML

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