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Merge pull request #37481 from mwielgus/more-debug-ca-e2e

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Automatic merge from submit-queue

Add more debug information around strange failure in e2e tests

To better understand problems in https://github.com/kubernetes/kubernetes/issues/33754. 

cc: @fgrzadkowski @piosz
This commit is contained in:
Kubernetes Submit Queue 2016-11-28 11:45:17 -08:00 committed by GitHub
commit cbd87c3a13
1 changed files with 28 additions and 0 deletions
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28
test/e2e/cluster_size_autoscaling.go
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@ -210,6 +210,34 @@ var _ = framework.KubeDescribe("Cluster size autoscaling [Slow]", func() {
ExpectNoError(err)
newNodesSet := sets.NewString(newNodes...)
newNodesSet.Delete(nodes...)
if len(newNodesSet) > 1 {
By(fmt.Sprintf("Spotted following new nodes in %s: %v", minMig, newNodesSet))
glog.Infof("Usually only 1 new node is expected, investigating")
glog.Infof("Kubectl:%s\n", framework.RunKubectlOrDie("kubectl get nodes -o yaml"))
if output, err := exec.Command("gcloud", "compute", "instances", "list",
"--project="+framework.TestContext.CloudConfig.ProjectID,
"--zone="+framework.TestContext.CloudConfig.Zone).Output(); err != nil {
glog.Infof("Gcloud compute instances list: %s", output)
} else {
glog.Errorf("Failed to get instances list: %v", err)
}
for newNode := range newNodesSet {
if output, err := exec.Command("gcloud", "compute", "instances", "describe",
newNode,
"--project="+framework.TestContext.CloudConfig.ProjectID,
"--zone="+framework.TestContext.CloudConfig.Zone).Output(); err != nil {
glog.Infof("Gcloud compute instances describe: %s", output)
} else {
glog.Errorf("Failed to get instances describe: %v", err)
}
}
// TODO: possibly remove broken node from newNodesSet to prevent removeLabel from crashing.
// However at this moment we DO WANT it to crash so that we don't check all test runs for the
// rare behavior, but only the broken ones.
}
defer removeLabels(newNodesSet)
By(fmt.Sprintf("Setting labels for new nodes: %v", newNodesSet.List()))
updateNodeLabels(c, newNodesSet, labels, nil)