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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| package apiserver | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| g "github.com/onsi/ginkgo" | ||
|
|
||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/client-go/kubernetes" | ||
|
|
||
| exutil "github.com/openshift/origin/test/extended/util" | ||
| ) | ||
|
|
||
| var _ = g.Describe("[sig-api-machinery][Feature:APIServer][Late]", func() { | ||
| defer g.GinkgoRecover() | ||
|
|
||
| oc := exutil.NewCLI("terminating-kube-apiserver") | ||
|
|
||
| g.It("kubelet terminates kube-apiserver gracefully", func() { | ||
| t := g.GinkgoT() | ||
|
|
||
| client, err := kubernetes.NewForConfig(oc.AdminConfig()) | ||
| if err != nil { | ||
| g.Fail(fmt.Sprintf("Unexpected error: %v", err)) | ||
| } | ||
|
|
||
| evs, err := client.CoreV1().Events("openshift-kube-apiserver").List(context.TODO(), metav1.ListOptions{}) | ||
| if err != nil { | ||
| g.Fail(fmt.Sprintf("Unexpected error: %v", err)) | ||
| } | ||
|
|
||
| for _, ev := range evs.Items { | ||
| if ev.Reason != "NonGracefulTermination" { | ||
| continue | ||
| } | ||
|
|
||
| t.Errorf("kube-apiserver reports a non-graceful termination: %#v. Probably kubelet or CRI-O is not giving the time to cleanly shut down. This can lead to connection refused and network I/O timeout errors in other components.", ev) | ||
| } | ||
| }) | ||
|
|
||
| g.It("API LBs follow /readyz of kube-apiserver and stop sending requests", func() { | ||
| t := g.GinkgoT() | ||
|
|
||
| client, err := kubernetes.NewForConfig(oc.AdminConfig()) | ||
| if err != nil { | ||
| g.Fail(fmt.Sprintf("Unexpected error: %v", err)) | ||
| } | ||
|
|
||
| evs, err := client.CoreV1().Events("openshift-kube-apiserver").List(context.TODO(), metav1.ListOptions{}) | ||
| if err != nil { | ||
| g.Fail(fmt.Sprintf("Unexpected error: %v", err)) | ||
| } | ||
|
|
||
| for _, ev := range evs.Items { | ||
| if ev.Reason != "LateConnections" { | ||
| continue | ||
| } | ||
|
|
||
| t.Errorf("API LBs send requests to kube-apiserver far too late in termination process, probably due to broken LB configuration: %#v. This can lead to connection refused and network I/O timeout errors in other components.", ev) | ||
| } | ||
| }) | ||
| }) |
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