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dump not network information on e2e failures

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This commit is contained in:
Antonio Ojea 2024-05-07 13:08:43 +00:00
parent ff8573343c
commit 9239e44950
1 changed files with 14 additions and 0 deletions
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14
test/e2e/framework/network/utils.go
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@ -46,6 +46,7 @@ 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"
)
@ -327,7 +328,20 @@ 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)
}
return returnMsg
}