Add doc for plan-preview feature #2195
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| title: "Plan preview" | ||||||||||||||
| linkTitle: "Plan preview" | ||||||||||||||
| weight: 14 | ||||||||||||||
| description: > | ||||||||||||||
| Enables the ability to preview the deployment plan against a given commit before merging. | ||||||||||||||
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| > NOTE: This feature is currently under Alpha status. | ||||||||||||||
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| In order to help developers review the pull request with a better experience and more confidence to approve it to trigger the actual deployments, | ||||||||||||||
| PipeCD provides a way to preview the deployment plan of all updated applications by that pull request. | ||||||||||||||
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| Here are what will be included currently in the result of plan-preview process: | ||||||||||||||
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| - what application will be deployed once the pull request got merged | ||||||||||||||
| - what deployment strategy (QUICK_SYNC or PIPELINE_SYNC) will be used | ||||||||||||||
| - what resources will be added, deleted, or modified | ||||||||||||||
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There was a problem hiding this comment. nit, but up to you 🙆♀️
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| This feature will available for all application kinds: KUBERNETES, TERRAFORM, CLOUD_RUN, LAMBDA and Amazon ECS. | ||||||||||||||
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| <p style="text-align: center;"> | ||||||||||||||
| PlanPreview with GitHub actions <a href="https://github.com/pipe-cd/actions-plan-preview">pipe-cd/actions-plan-preview</a> | ||||||||||||||
| </p> | ||||||||||||||
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| ## Prerequisites | ||||||||||||||
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| - Your Pipeds are running at least version `v0.11.0`. | ||||||||||||||
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There was a problem hiding this comment. nit but it's on you
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There was a problem hiding this comment. Let me change this to |
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| - Having an API key that has `READ_WRITE` role to authenticate with PipeCD's control-plane. A new key can be generated from `settings/api-key` page of your PipeCD web. | ||||||||||||||
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| ## Usage | ||||||||||||||
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| Plan-preview result can be requested by using `pipectl` command-line tool as below: | ||||||||||||||
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| ``` console | ||||||||||||||
| pipectl plan-preview \ | ||||||||||||||
| --address={ PIPECD_CONTROL_PLANE_ADDRESS } \ | ||||||||||||||
| --api-key={ PIPECD_API_KEY } \ | ||||||||||||||
| --repo-remote-url={ REPO_REMOTE_GIT_SSH_URL } \ | ||||||||||||||
| --head-branch={ HEAD_BRANCH } \ | ||||||||||||||
| --head-commit={ HEAD_COMMIT } \ | ||||||||||||||
| --base-branch={ HEAD_BRANCH } | ||||||||||||||
| ``` | ||||||||||||||
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| You can run it locally or integrate it to your CI system to run automatically when a new pull request is opened/updated. Use `--help` to see more options. | ||||||||||||||
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| ``` console | ||||||||||||||
| pipectl plan-preview --help | ||||||||||||||
| ``` | ||||||||||||||
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| ## GitHub Actions | ||||||||||||||
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| If you are using GitHub Actions, you can seamlessly integrate our prepared [actions-plan-preview](https://github.com/pipe-cd/actions-plan-preview) to your workflows. This automatically comments the plan-preview result on the pull request when it is opened or updated. You can also trigger to run plan-preview manually by leave a comment `/pipecd plan-preview` on the pull request. | ||||||||||||||
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