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ArgoCD Diff GitHub Action

This action generates a diff between the current PR and the current state of the cluster.

Note that this includes any changes between your branch and latest master, as well as ways in which the cluster is out of sync.

Usage

Example GH action:

name: ArgoCD Diff

on:
  pull_request:
    branches: [master, main]

jobs:
  argocd-diff:
    name: Generate ArgoCD Diff
    runs-on: ubuntu-latest
    steps:

      - name: Checkout repo
        uses: actions/checkout@v2

      - uses: quizlet/argocd-diff-action@master
        name: ArgoCD Diff
        with:
          argocd-server-url: argocd.example.com
          argocd-token: ${{ secrets.ARGOCD_TOKEN }}
          github-token: ${{ secrets.GITHUB_TOKEN }}
          argocd-version: v1.6.1
          argocd-extra-cli-args: --grpc-web

How it works

  1. Downloads the specified version of the ArgoCD binary, and makes it executable
  2. Connects to the ArgoCD API using the argocd-token, and gets all the apps
  3. Filters the apps to the ones that live in the current repo
  4. Runs argocd app diff for each app
  5. Posts the diff output as a comment on the PR

Publishing

Build the script and commit to your branch: npm run build && npm run pack Commit the build output, and make a PR.