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Improve README by adding an explicit Kubernetes dependency section #52

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merged 1 commit into from
Dec 6, 2019
+15 −11
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Improve README by adding an explicit Kubernetes dependency section #52

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26 changes: 15 additions & 11 deletions README.md
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Expand Up @@ -141,17 +141,6 @@ The `vendor` directory is optional. It is still present in projects
because it avoids downloading sources during CI builds. If this is no
longer deemed necessary, then a project can also remove the directory.

When using packages that are part of the Kubernetes source code, the
commands above are not enough because the [lack of semantic
versioning](https://github.com/kubernetes/kubernetes/issues/72638)
prevents `go mod` from finding newer releases. Importing directly from
`kubernetes/kubernetes` also needs `replace` statements to override
the fake `v0.0.0` versions
(https://github.com/kubernetes/kubernetes/issues/79384). The
`go-get-kubernetes.sh` script can be used to update all packages in
lockstep to a different Kubernetes version. It takes a single version
number like "1.16.0".

Conversion of a repository that uses `dep` to `go mod` can be done with:

GO111MODULE=on go mod init
Expand All @@ -160,3 +149,18 @@ Conversion of a repository that uses `dep` to `go mod` can be done with:
GO111MODULE=on go mod vendor
git rm -f Gopkg.toml Gopkg.lock
git add go.mod go.sum vendor

### Updating Kubernetes dependencies

When using packages that are part of the Kubernetes source code, the
commands above are not enough because the [lack of semantic
versioning](https://github.com/kubernetes/kubernetes/issues/72638)
prevents `go mod` from finding newer releases. Importing directly from
`kubernetes/kubernetes` also needs `replace` statements to override
the fake `v0.0.0` versions
(https://github.com/kubernetes/kubernetes/issues/79384). The
`go-get-kubernetes.sh` script can be used to update all packages in
lockstep to a different Kubernetes version. Example usage:
```
$ ./release-tools/go-get-kubernetes.sh 1.16.4
```