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terraform-apply.yaml
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name: Terraform Apply
on:
workflow_dispatch:
pull_request:
types: [closed]
branches:
- main
paths:
- "**.tf"
- "**.tfvars"
permissions:
contents: read
id-token: write
env:
TERRAFORM_VERSION: 1.7.0
AWS_REGION: ${{ secrets.AWS_REGION }}
AWS_ROLE_TO_ASSUME: ${{ secrets.AWS_ROLE_TO_ASSUME }}
TERRAFORM_PLAN_BUCKET: ${{ secrets.TERRAFORM_PLAN_BUCKET }} # S3 bucket to store/ retrieve plan files.
COMMIT_SHA: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
jobs:
apply:
if: ${{ !contains (github.repository, '/terraform-aws-template') }}
runs-on: ubuntu-latest
permissions:
contents: read
id-token: write
steps:
- name: Checkout
uses: actions/checkout@v3
with:
fetch-depth: 0
- name: Setup Terraform
uses: hashicorp/setup-terraform@v2
with:
terraform_version: ${{ env.TERRAFORM_VERSION }}
terraform_wrapper: false
- name: Configure AWS Credentials
uses: aws-actions/configure-aws-credentials@v4
with:
role-to-assume: ${{ env.AWS_ROLE_TO_ASSUME }}
aws-region: ${{ env.AWS_REGION }}
- name: Terraform Init
id: init
run: terraform init
- name: Download Plan
id: download-plan
working-directory: ${{ env.TERRAFORM_DIR }}
run: aws s3 cp s3://${{ env.TERRAFORM_PLAN_BUCKET }}/tf-plan/tfplan-${{ env.COMMIT_SHA }} tfplan
- name: Terraform Apply
id: apply
run: terraform apply "tfplan"