Pull Request

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Let’s take a look at PR workflow.

.github/workflows/pull_request.yml

name: Pull Request Plan

on:
  - pull_request

jobs:
  run:
    runs-on: ubuntu-latest

    env:
      AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
      AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
      AWS_REGION: us-west-2
      GH_TOKEN: ${{ github.token }}
      TS_ENV: dev
      TS_TOKEN: ${{ secrets.TS_TOKEN }}
      # INFRACOST_API_KEY: ${{ secrets.TS_TOKEN }} # needed if using cost estimation

    steps:
    - name: Checkout
      uses: actions/checkout@v3

    - name: Install Ruby
      uses: ruby/setup-ruby@v1
      with:
        ruby-version: 3.1
        bundler-cache: true # runs 'bundle install' and caches installed gems automatically

    - name: Install
      run:
        .github/bin/install

    - name: Terraspace Command
      run: |
        terraspace plan demo

The difference here is that this workflow only runs on pull_request events and will run a terraspace plan.

Create Branch and PR

git checkout feature1
vim app/stacks/demo/main.tf
git add .
git commit -m "change code"
git push -u origin feature1

To create a Pull Request, you can either go to the url printed out from git push

https://github.com/ORG/REPO/pull/new/feature1

Or go to the branch on GitHub and click “New Pull Request”. Click “Create pull request”. A Pull Request Plan / run should start immediately. You should see something like this: