52 lines
2.4 KiB
Markdown
52 lines
2.4 KiB
Markdown
# [csi-release-tools](https://github.com/kubernetes-csi/csi-release-tools)
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These build and test rules can be shared between different Go projects
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without modifications. Customization for the different projects happen
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in the top-level Makefile.
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The rules include support for building and pushing Docker images, with
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the following features:
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- one or more command and image per project
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- push canary and/or tagged release images
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- automatically derive the image tag(s) from repo tags
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- the source code revision is stored in a "revision" image label
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- never overwrites an existing release image
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Usage
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-----
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The expected repository layout is:
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- `cmd/*/*.go` - source code for each command
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- `cmd/*/Dockerfile` - docker file for each command or
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Dockerfile in the root when only building a single command
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- `Makefile` - includes `release-tools/build.make` and sets
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configuration variables
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- `.travis.yml` - a symlink to `release-tools/.travis.yml`
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To create a release, tag a certain revision with a name that
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starts with `v`, for example `v1.0.0`, then `make push`
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while that commit is checked out.
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It does not matter on which branch that revision exists, i.e. it is
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possible to create releases directly from master. A release branch can
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still be created for maintenance releases later if needed.
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Release branches are expected to be named `release-x.y` for releases
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`x.y.z`. Building from such a branch creates `x.y-canary`
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images. Building from master creates the main `canary` image.
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Sharing and updating
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--------------------
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[`git subtree`](https://github.com/git/git/blob/master/contrib/subtree/git-subtree.txt)
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is the recommended way of maintaining a copy of the rules inside the
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`release-tools` directory of a project. This way, it is possible to make
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changes also locally, test them and then push them back to the shared
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repository at a later time.
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Cheat sheet:
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- `git subtree add --prefix=release-tools https://github.com/kubernetes-csi/csi-release-tools.git master` - add release tools to a repo which does not have them yet (only once)
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- `git subtree pull --prefix=release-tools https://github.com/kubernetes-csi/csi-release-tools.git master` - update local copy to latest upstream (whenever upstream changes)
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- edit, `git commit`, `git subtree push --prefix=release-tools git@github.com:<user>/csi-release-tools.git <my-new-or-existing-branch>` - push to a new branch before submitting a PR
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