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133 lines
3.8 KiB
Markdown
133 lines
3.8 KiB
Markdown
## A maintainer's guide to releasing Docker
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So you're in charge of a docker release? Cool. Here's what to do.
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If your experience deviates from this document, please document the changes to keep it
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up-to-date.
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### 1. Pull from master and create a release branch
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```bash
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$ git checkout master
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$ git pull
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$ git checkout -b bump_$VERSION
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```
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### 2. Update CHANGELOG.md
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You can run this command for reference:
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```bash
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LAST_VERSION=$(git tag | grep -E "v[0-9\.]+$" | sort -nr | head -n 1)
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git log $LAST_VERSION..HEAD
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```
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Each change should be formatted as ```BULLET CATEGORY: DESCRIPTION```
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* BULLET is either ```-```, ```+``` or ```*```, to indicate a bugfix,
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new feature or upgrade, respectively.
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* CATEGORY should describe which part of the project is affected.
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Valid categories are:
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* Builder
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* Documentation
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* Hack
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* Packaging
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* Remote API
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* Runtime
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* DESCRIPTION: a concise description of the change that is relevant to the end-user,
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using the present tense.
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Changes should be described in terms of how they affect the user, for example "new feature
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X which allows Y", "fixed bug which caused X", "increased performance of Y".
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EXAMPLES:
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```
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+ Builder: 'docker build -t FOO' applies the tag FOO to the newly built container.
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* Runtime: improve detection of kernel version
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- Remote API: fix a bug in the optional unix socket transport
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```
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### 3. Change VERSION in commands.go
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### 4. Run all tests
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```bash
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$ make test
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```
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### 5. Commit and create a pull request
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```bash
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$ git add commands.go CHANGELOG.md
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$ git commit -m "Bump version to $VERSION"
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$ git push origin bump_$VERSION
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```
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### 6. Get 2 other maintainers to validate the pull request
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### 7. Merge the pull request and apply tags
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```bash
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$ git checkout master
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$ git merge bump_$VERSION
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$ git tag -a v$VERSION # Don't forget the v!
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$ git tag -f -a latest
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$ git push
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$ git push --tags
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```
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### 8. Publish binaries
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To run this you will need access to the release credentials.
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Get them from [the infrastructure maintainers](https://github.com/dotcloud/docker/blob/master/hack/infrastructure/MAINTAINERS).
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```bash
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$ RELEASE_IMAGE=image_provided_by_infrastructure_maintainers
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$ BUILD=$(docker run -d -e RELEASE_PPA=0 $RELEASE_IMAGE)
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```
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This will do 2 things:
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* It will build and upload the binaries on http://get.docker.io
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* It will *test* the release on our Ubuntu PPA (a PPA is a community repository for ubuntu packages)
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Wait for the build to complete.
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```bash
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$ docker wait $BUILD # This should print 0. If it doesn't, your build failed.
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```
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Check that the output looks OK. Here's an example of a correct output:
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```bash
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$ docker logs 2>&1 b4e7c8299d73 | grep -e 'Public URL' -e 'Successfully uploaded'
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Public URL of the object is: http://get.docker.io.s3.amazonaws.com/builds/Linux/x86_64/docker-v0.4.7.tgz
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Public URL of the object is: http://get.docker.io.s3.amazonaws.com/builds/Linux/x86_64/docker-latest.tgz
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Successfully uploaded packages.
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```
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If you don't see 3 lines similar to this, something might be wrong. Check the full logs and try again.
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### 9. Publish Ubuntu packages
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If everything went well in the previous step, you can finalize the release by submitting the Ubuntu
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packages.
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```bash
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$ RELEASE_IMAGE=image_provided_by_infrastructure_maintainers
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$ docker run -e RELEASE_PPA=1 $RELEASE_IMAGE
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```
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If that goes well, Ubuntu Precise package is in its way. It will take anywhere from 0.5 to 30 hours
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for the builders to complete their job depending on builder demand at this time. At this point, Quantal
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and Raring packages need to be created using the Launchpad interface:
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https://launchpad.net/~dotcloud/+archive/lxc-docker/+packages
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Notify [the packager maintainers](https://github.com/dotcloud/docker/blob/master/packaging/MAINTAINERS)
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who will ensure PPA is ready.
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Congratulations! You're done
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