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e2e pod cleanup test: restrict pods to be assigned to nodes observed initially

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The test checks the individual kubelet /runningPods endpoint based on the
initial list of nodes it observes. It is important that all pods are
scheduled only onto those nodes. Apply node labels to ensure no stray pods on
other nodes.
This commit is contained in:
Yu-Ju Hong 2016-11-14 15:09:58 -08:00
parent c5c461df38
commit d80f9e8076
1 changed files with 6 additions and 5 deletions
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11
test/e2e/kubelet.go
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@ -137,19 +137,20 @@ var _ = framework.KubeDescribe("kubelet", func() {
BeforeEach(func() {
c = f.ClientSet
// Use node labels to restrict the pods to be assigned only to the
// nodes we observe initially.
nodeLabels = make(map[string]string)
nodeLabels["kubelet_cleanup"] = "true"
nodes := framework.GetReadySchedulableNodesOrDie(c)
numNodes = len(nodes.Items)
nodeNames = sets.NewString()
// If there are a lot of nodes, we don't want to use all of them
// (if there are 1000 nodes in the cluster, starting 10 pods/node
// will take ~10 minutes today). And there is also deletion phase.
//
// Instead, we choose at most 10 nodes and will constraint pods
// that we are creating to be scheduled only on that nodes.
// Instead, we choose at most 10 nodes.
if numNodes > maxNodesToCheck {
numNodes = maxNodesToCheck
nodeLabels = make(map[string]string)
nodeLabels["kubelet_cleanup"] = "true"
}
for i := 0; i < numNodes; i++ {
nodeNames.Insert(nodes.Items[i].Name)