GistPin/infrastructure/ci/graph-update.yml at main · ghzhost/GistPin · GitHub

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name: Terraform Graph Update

on:
  pull_request:
    paths:
      - "infrastructure/terraform/**"
  push:
    branches: [main]
    paths:
      - "infrastructure/terraform/**"

permissions:
  contents: write
  pull-requests: write

jobs:
  graph:
    name: Generate Graph
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: hashicorp/setup-terraform@v3
        with:
          terraform_version: "1.7.5"

      - name: Install graphviz
        run: sudo apt-get update && sudo apt-get install -y graphviz

      - name: Generate Terraform graph
        run: |
          bash infrastructure/scripts/generate-tf-graph.sh

      - name: Upload graph artifacts
        uses: actions/upload-artifact@v4
        with:
          name: terraform-graph
          path: |
            infrastructure/docs/resource-graph.svg
            infrastructure/docs/resource-graph.html
          retention-days: 30

      - name: Comment graph on PR
        if: github.event_name == 'pull_request'
        uses: actions/github-script@v7
        with:
          script: |
            const fs = require('fs');
            const svg = fs.readFileSync('infrastructure/docs/resource-graph.svg', 'utf8');
            const truncated = svg.length > 60000 ? svg.slice(0, 60000) + '\n<!-- truncated -->' : svg;
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: `## Terraform Resource Graph\n\n![Resource Graph](https://www.gravatar.com/avatar/?d=mp&f=y)\n\nSee artifact for full interactive HTML view.`,
            });

      - name: Commit updated graph
        if: github.ref == 'refs/heads/main' && github.event_name == 'push'
        run: |
          git config user.name "github-actions"
          git config user.email "actions@github.com"
          git add infrastructure/docs/resource-graph.svg infrastructure/docs/resource-graph.html
          git diff --cached --quiet || git commit -m "chore: update Terraform resource graph [skip ci]"
          git push