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Merge pull request #55029 from mengqiy/discovery_client 

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

discovery client not depend on pkg/api/legacyscheme

Switch kubectl's cached discovery client to use kubect's scheme (pkg/kubectl/scheme) which only registered with external version types.

The encoding and decoding here uses only `k8s.io/apimachinery/pkg/apis/meta/v1.APIGroupList` and `k8s.io/apimachinery/pkg/apis/meta/v1.APIResourceList` which are not internal version. So it should be safe.

```release-note
NONE
```

/assign @monopole
pull/6/head
Kubernetes Submit Queue 2017-11-02 16:44:12 -07:00 committed by GitHub
parent 9c41f9baf1 5557f2e444
commit b3fa2aebe5
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 5 additions and 4 deletions
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1
pkg/kubectl/cmd/util/BUILD
View File

@ -38,6 +38,7 @@ go_library(
"//pkg/kubectl/cmd/util/openapi/validation:go_default_library",
"//pkg/kubectl/plugins:go_default_library",
"//pkg/kubectl/resource:go_default_library",
"//pkg/kubectl/scheme:go_default_library",
"//pkg/kubectl/validation:go_default_library",
"//pkg/printers:go_default_library",
"//pkg/printers/internalversion:go_default_library",

8
pkg/kubectl/cmd/util/cached_discovery.go
View File

@ -32,7 +32,7 @@ import (
"k8s.io/apimachinery/pkg/version"
"k8s.io/client-go/discovery"
restclient "k8s.io/client-go/rest"
"k8s.io/kubernetes/pkg/api/legacyscheme"
"k8s.io/kubernetes/pkg/kubectl/scheme"
)
// CachedDiscoveryClient implements the functions that discovery server-supported API groups,
@ -66,7 +66,7 @@ func (d *CachedDiscoveryClient) ServerResourcesForGroupVersion(groupVersion stri
// don't fail on errors, we either don't have a file or won't be able to run the cached check. Either way we can fallback.
if err == nil {
cachedResources := &metav1.APIResourceList{}
if err := runtime.DecodeInto(legacyscheme.Codecs.UniversalDecoder(), cachedBytes, cachedResources); err == nil {
if err := runtime.DecodeInto(scheme.Codecs.UniversalDecoder(), cachedBytes, cachedResources); err == nil {
glog.V(10).Infof("returning cached discovery info from %v", filename)
return cachedResources, nil
}
@ -113,7 +113,7 @@ func (d *CachedDiscoveryClient) ServerGroups() (*metav1.APIGroupList, error) {
// don't fail on errors, we either don't have a file or won't be able to run the cached check. Either way we can fallback.
if err == nil {
cachedGroups := &metav1.APIGroupList{}
if err := runtime.DecodeInto(legacyscheme.Codecs.UniversalDecoder(), cachedBytes, cachedGroups); err == nil {
if err := runtime.DecodeInto(scheme.Codecs.UniversalDecoder(), cachedBytes, cachedGroups); err == nil {
glog.V(10).Infof("returning cached discovery info from %v", filename)
return cachedGroups, nil
}
@ -179,7 +179,7 @@ func (d *CachedDiscoveryClient) writeCachedFile(filename string, obj runtime.Obj
return err
}
bytes, err := runtime.Encode(legacyscheme.Codecs.LegacyCodec(), obj)
bytes, err := runtime.Encode(scheme.Codecs.LegacyCodec(), obj)
if err != nil {
return err
}