terraform.yml

name: "Terraform"

on:
  workflow_dispatch:
  push:
    branches:
      - master
      - production
  pull_request:

jobs:
  terraform:
    name: "Terraform"
    runs-on: ubuntu-latest
    env:
      TF_VAR_github_organization: ictsc
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Generate token
        id: generate_token
        uses: tibdex/github-app-token@v1.7.0
        with:
          app_id: ${{ secrets.APP_ID }}
          installation_id: 31536419
          private_key: ${{ secrets.PRIVATE_KEY }}

      - name: Setup Terraform
        uses: hashicorp/setup-terraform@v2
        with:
          terraform_version: 1.3.6

      - name: Terraform Format
        id: fmt
        run: terraform fmt -recursive -check

      - name: Terraform Init
        id: init
        run: terraform init -input=false

      - name: Terraform Validate
        run: terraform validate -no-color

      - name: Get latest state
        if: github.ref != 'refs/heads/production'
        run: wget https://raw.githubusercontent.com/ictsc/ictsc-github-member/production/terraform.tfstate

      - name: Terraform refresh state
        env:
          TF_VAR_github_token: ${{ steps.generate_token.outputs.token }}
        run: terraform refresh -no-color -input=false -parallelism=30

      - name: Terraform Plan
        env:
          TF_VAR_github_token: ${{ steps.generate_token.outputs.token }}
        id: plan
        run: terraform plan -no-color -input=false -parallelism=30 --refresh=false
        continue-on-error: true

      - uses: actions/github-script@v6
        if: github.event_name == 'pull_request' && steps.plan.outcome != 'failure'
        env:
          PLAN: "${{ steps.plan.outputs.stdout }}"
        with:
          script: |
            const output = `
            <details><summary>Terraform Plan</summary>

            \`\`\`text
            ${process.env.PLAN}\`\`\`

            </details>`

            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
        env:
          TF_VAR_github_token: ${{ steps.generate_token.outputs.token }}
        if: github.ref == 'refs/heads/production' && github.event_name == 'push'
        run: |
          terraform apply -auto-approve -input=false

      - name: Backup tfstate to artifact
        if: github.ref == 'refs/heads/production' && github.event_name == 'push'
        uses: actions/upload-artifact@v3
        with:
          name: terraform.tfstate
          path: terraform.tfstate

      - name : Commit and Push tfstate
        if: github.ref == 'refs/heads/production' && github.event_name == 'push'
        run: |
          git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git config --global user.name "Github Action"
          git add -f terraform.tfstate
          git commit -m "update terraform state [ci skip]"
          git push origin production