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Merge pull request #126201 from aroradaman/revert-debug-steps

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Revert debug steps and logs for #123760
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Kubernetes Prow Robot 2024-07-23 11:02:38 -07:00 committed by GitHub
commit 9c2302dd3e
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2 changed files with 0 additions and 36 deletions
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35
test/e2e/framework/network/utils.go
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@ -46,7 +46,6 @@ import (
e2epodoutput "k8s.io/kubernetes/test/e2e/framework/pod/output"
e2eskipper "k8s.io/kubernetes/test/e2e/framework/skipper"
e2essh "k8s.io/kubernetes/test/e2e/framework/ssh"
storageutils "k8s.io/kubernetes/test/e2e/storage/utils"
imageutils "k8s.io/kubernetes/test/utils/image"
netutils "k8s.io/utils/net"
)
@ -350,41 +349,7 @@ func (config *NetworkingTestConfig) DialFromContainer(ctx context.Context, proto
}
if responses.Difference(expectedResponses).Len() > 0 {
returnMsg := fmt.Errorf("received unexpected responses... \nAttempt %d\nCommand %v\nretrieved %v\nexpected %v", i, cmd, responses, expectedResponses)
// TODO(aojea) Remove once issues.k8s.io/123760 is solved
// Dump the nodes network routes and addresses for troubleshooting #123760
framework.Logf("encountered error during dial (%v)", returnMsg)
hostExec := storageutils.NewHostExec(config.f)
ginkgo.DeferCleanup(hostExec.Cleanup)
cmd := `echo "IP routes: " && ip route && echo "IP addresses:" && ip addr && echo "Open sockets: " && ss -anp --socket=tcp`
for _, node := range config.Nodes {
result, err := hostExec.IssueCommandWithResult(ctx, cmd, &node)
if err != nil {
framework.Logf("error occurred while executing command %s on node: %v", cmd, err)
continue
}
framework.Logf("Dump network information for node %s:\n%s", node.Name, result)
}
// Dump the node iptables rules and conntrack flows for troubleshooting #123760
podList, _ := config.f.ClientSet.CoreV1().Pods("kube-system").List(ctx, metav1.ListOptions{
LabelSelector: "k8s-app=kube-proxy",
})
for _, pod := range podList.Items {
// dump only for the node running test-container-pod
if pod.Status.HostIP == config.TestContainerPod.Status.HostIP {
output, _, _ := e2epod.ExecWithOptions(config.f, e2epod.ExecOptions{
Namespace: "kube-system",
PodName: pod.Name,
ContainerName: "kube-proxy",
Command: []string{"sh", "-c", fmt.Sprintf(`echo "IPTables Dump: " && iptables-save | grep "%s/%s:http" && echo "Conntrack flows: " && conntrack -Ln -p tcp | grep %d`, config.Namespace, config.NodePortService.Name, EndpointHTTPPort)},
Stdin: nil,
CaptureStdout: true,
CaptureStderr: true,
PreserveWhitespace: false,
})
framework.Logf("Dump iptables and connntrack flows\n%s", output)
break
}
}
return returnMsg
}

1
test/images/agnhost/netexec/netexec.go
View File

@ -727,7 +727,6 @@ func startSCTPServer(sctpPort int) {
func getHostName() string {
hostName, err := os.Hostname()
log.Printf("hostname: %s", hostName)
assertNoError(err, "failed to get hostname")
return hostName
}