forked from TrueCloudLab/distribution
3f1859af26
This commit removes `oss` storage driver from distribution as well as `alicdn` storage middleware which only works with the `oss` driver. There are several reasons for it: * no real-life expertise among the maintainers * oss is compatible with S3 API operations required by S3 storage driver Signed-off-by: Milos Gajdos <milosthegajdos@gmail.com>
107 lines
4.6 KiB
Markdown
107 lines
4.6 KiB
Markdown
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# Building the registry source
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## Use-case
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This is useful if you intend to actively work on the registry.
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### Alternatives
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Most people should use the [official Registry docker image](https://hub.docker.com/r/library/registry/).
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People looking for advanced operational use cases might consider rolling their own image with a custom Dockerfile inheriting `FROM registry:2`.
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OS X users who want to run natively can do so following [the instructions here](https://github.com/docker/docker.github.io/blob/master/registry/recipes/osx-setup-guide.md).
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### Gotchas
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You are expected to know your way around with go & git.
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If you are a casual user with no development experience, and no preliminary knowledge of go, building from source is probably not a good solution for you.
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## Configure the development environment
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The first prerequisite of properly building distribution targets is to have a Go
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development environment setup. Please follow [How to Write Go Code](https://golang.org/doc/code.html)
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for proper setup. If done correctly, you should have a GOROOT and GOPATH set in the
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environment.
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Next, fetch the code from the repository using git:
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git clone https://github.com/distribution/distribution
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cd distribution
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If you are planning to create a pull request with changes, you may want to clone directly from your [fork](https://help.github.com/en/articles/about-forks).
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## Build and run from source
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First, build the binaries:
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$ make
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+ bin/registry
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+ bin/digest
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+ bin/registry-api-descriptor-template
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+ binaries
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Now create the directory for the registry data (this might require you to set permissions properly)
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mkdir -p /var/lib/registry
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... or alternatively `export REGISTRY_STORAGE_FILESYSTEM_ROOTDIRECTORY=/somewhere` if you want to store data into another location.
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The `registry`
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binary can then be run with the following:
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$ ./bin/registry --version
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./bin/registry github.com/distribution/distribution/v3 v2.7.0-1993-g8857a194
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The registry can be run with a development config using the following
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incantation:
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$ ./bin/registry serve cmd/registry/config-dev.yml
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INFO[0000] debug server listening :5001
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WARN[0000] No HTTP secret provided - generated random secret. This may cause problems with uploads if multiple registries are behind a load-balancer. To provide a shared secret, fill in http.secret in the configuration file or set the REGISTRY_HTTP_SECRET environment variable. environment=development go.version=go1.18.3 instance.id=e837df62-a66c-4e04-a014-b063546e82e0 service=registry version=v2.7.0-1993-g8857a194
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INFO[0000] endpoint local-5003 disabled, skipping environment=development go.version=go1.18.3 instance.id=e837df62-a66c-4e04-a014-b063546e82e0 service=registry version=v2.7.0-1993-g8857a194
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INFO[0000] endpoint local-8083 disabled, skipping environment=development go.version=go1.18.3 instance.id=e837df62-a66c-4e04-a014-b063546e82e0 service=registry version=v2.7.0-1993-g8857a194
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INFO[0000] using inmemory blob descriptor cache environment=development go.version=go1.18.3 instance.id=e837df62-a66c-4e04-a014-b063546e82e0 service=registry version=v2.7.0-1993-g8857a194
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INFO[0000] providing prometheus metrics on /metrics
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INFO[0000] listening on [::]:5000 environment=development go.version=go1.18.3 instance.id=e837df62-a66c-4e04-a014-b063546e82e0 service=registry version=v2.7.0-1993-g8857a194
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If it is working, one should see the above log messages.
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### Build reference
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The regular `go` commands, such as `go test`, should work per package.
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A `Makefile` has been provided as a convenience to support repeatable builds.
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Run `make` to build the binaries:
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$ make
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+ bin/registry
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+ bin/digest
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+ bin/registry-api-descriptor-template
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+ binaries
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The above provides a repeatable build using the contents of the vendor
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directory. We can verify this worked by running
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the registry binary generated in the "./bin" directory:
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$ ./bin/registry --version
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./bin/registry github.com/distribution/distribution v2.0.0-alpha.2-80-g16d8b2c.m
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Run `make test` to run all of the tests.
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Run `make validate` to run the validators, including the linter and vendor validation. You must have docker with the buildx plugin installed to run the validators.
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### Optional build tags
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Optional [build tags](http://golang.org/pkg/go/build/) can be provided using
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the environment variable `BUILDTAGS`.
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<dl>
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<dt>noresumabledigest</dt>
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<dd>Compiles without resumable digest support</dd>
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<dt>include_gcs</dt>
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<dd>Adds support for <a href="https://cloud.google.com/storage">Google Cloud Storage</a></dd>
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</dl>
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