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Document broken behaviour with KUBE_API_VERSIONS

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This commit is contained in:
Dr. Stefan Schimanski 2016-12-13 09:22:48 +01:00
parent 543417dbf0
commit e57ef4327f
1 changed files with 10 additions and 1 deletions
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11
cmd/kube-apiserver/app/server.go
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@ -25,6 +25,7 @@ import (
"net"
"net/http"
"net/url"
"os"
"strconv"
"strings"
"time"
@ -246,7 +247,15 @@ func Run(s *options.ServerRunOptions) error {
}
client, err := internalclientset.NewForConfig(selfClientConfig)
if err != nil {
return fmt.Errorf("failed to create clientset: %v", err)
kubeAPIVersions := os.Getenv("KUBE_API_VERSIONS")
if len(kubeAPIVersions) == 0 {
return fmt.Errorf("failed to create clientset: %v", err)
}
// KUBE_API_VERSIONS is used in test-update-storage-objects.sh, disabling a number of API
// groups. This leads to a nil client above and undefined behaviour further down.
// TODO: get rid of KUBE_API_VERSIONS or define sane behaviour if set
glog.Errorf("Failed to create clientset with KUBE_API_VERSIONS=%q. KUBE_API_VERSIONS is only for testing. Things will break.", kubeAPIVersions)
}
sharedInformers := informers.NewSharedInformerFactory(nil, client, 10*time.Minute)