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Merge pull request #40906 from du2016/checkAPIVersions

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Automatic merge from submit-queue (batch tested with PRs 40906, 40924, 40938, 40902, 40911)

Check whether apiversions is empty

What this PR does / why we need it:
#39719 check whether apisversions get from /api is empty
Special notes for your reviewer:
@caesarxuchao
This commit is contained in:
Kubernetes Submit Queue 2017-02-04 03:49:50 -08:00 committed by GitHub
commit b40fed9eef
1 changed files with 5 additions and 3 deletions
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8
staging/src/k8s.io/client-go/discovery/discovery_client.go
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@ -123,7 +123,7 @@ func (d *DiscoveryClient) ServerGroups() (apiGroupList *metav1.APIGroupList, err
v := &metav1.APIVersions{}
err = d.restClient.Get().AbsPath(d.LegacyPrefix).Do().Into(v)
apiGroup := metav1.APIGroup{}
if err == nil {
if err == nil && len(v.Versions) != 0 {
apiGroup = apiVersionsToAPIGroup(v)
}
if err != nil && !errors.IsNotFound(err) && !errors.IsForbidden(err) {
@ -141,8 +141,10 @@ func (d *DiscoveryClient) ServerGroups() (apiGroupList *metav1.APIGroupList, err
apiGroupList = &metav1.APIGroupList{}
}
// append the group retrieved from /api to the list
apiGroupList.Groups = append(apiGroupList.Groups, apiGroup)
// append the group retrieved from /api to the list if not empty
if len(v.Versions) != 0 {
apiGroupList.Groups = append(apiGroupList.Groups, apiGroup)
}
return apiGroupList, nil
}