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55 lines
1.9 KiB
Markdown
55 lines
1.9 KiB
Markdown
# GitHub Actions Auto PR
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In the [Image Update Guide] we saw we can [Push updates to a different branch] by using `.spec.git.push.branch` to push image updates to a different branch than the one used for checkout.
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In this example, we configure an `ImageUpdateAutomation` resource to push to a `staging` branch, which we could set up separately as a preview environment to deploy automatic updates in a staging cluster or namespace.
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```yaml
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kind: ImageUpdateAutomation
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metadata:
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name: flux-system
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spec:
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git:
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checkout:
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ref:
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branch: main
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push:
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branch: staging
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```
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In your manifest repository, add a GitHub Action workflow as below. This workflow watches for commits on the `staging` branch and opens a pull request with any labels, title, or body that you configure.
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```yaml
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# ./.github/workflows/staging-auto-pr.yaml
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name: Staging Auto-PR
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on:
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push:
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branches: ['staging']
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jobs:
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pull-request:
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name: Open PR to main
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v2
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name: checkout
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- uses: repo-sync/pull-request@v2
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name: pull-request
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with:
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destination_branch: "main"
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pr_title: "Pulling ${{ github.ref }} into main"
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pr_body: ":crown: *An automated PR*"
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pr_reviewer: "kingdonb"
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pr_draft: true
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github_token: ${{ secrets.GITHUB_TOKEN }}
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```
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You can use the [github-pull-request-action] workflow to automatically open a pull request against a destination branch. In this case, when a pull request is merged into the main changes are deployed in production.
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This way you can manually approve automatic image updates before they are applied on your production clusters.
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[Image Update Guide]: /guides/image-update/
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[Push updates to a different branch]: /guides/image-update/#push-updates-to-a-different-branch
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[github-pull-request-action]: https://github.com/marketplace/actions/github-pull-request-action
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