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Taints and tolerations e2e test re-work

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Includes the changes from #80922 (that were reverted), and updates the test to appropriately add intolerable taints to all nodes except the target node
This commit is contained in:
Mike Dame 2019-08-15 11:00:06 -04:00
parent f2dd24820a
commit a9f1314b60
1 changed files with 16 additions and 29 deletions
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45
test/e2e/scheduling/priorities.go
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@ -221,48 +221,35 @@ var _ = SIGDescribe("SchedulerPriorities [Serial]", func() {
// make the nodes have balanced cpu,mem usage ratio
err := createBalancedPodForNodes(f, cs, ns, nodeList.Items, podRequestedResource, 0.5)
framework.ExpectNoError(err)
//we need apply more taints on a node, because one match toleration only count 1
ginkgo.By("Trying to apply 10 taint on the nodes except first one.")
// Apply 10 taints to first node
nodeName := nodeList.Items[0].Name
for index, node := range nodeList.Items {
if index == 0 {
continue
}
for i := 0; i < 10; i++ {
testTaint := addRandomTaitToNode(cs, node.Name)
defer framework.RemoveTaintOffNode(cs, node.Name, *testTaint)
}
}
ginkgo.By("Create a pod without any tolerations")
tolerationPodName := "without-tolerations"
pod := createPausePod(f, pausePodConfig{
Name: tolerationPodName,
})
framework.ExpectNoError(f.WaitForPodRunning(pod.Name))
ginkgo.By("Pod should prefer scheduled to the node don't have the taint.")
tolePod, err := cs.CoreV1().Pods(ns).Get(tolerationPodName, metav1.GetOptions{})
framework.ExpectNoError(err)
framework.ExpectEqual(tolePod.Spec.NodeName, nodeName)
ginkgo.By("Trying to apply 10 taint on the first node.")
ginkgo.By("Trying to apply 10 (tolerable) taints on the first node.")
var tolerations []v1.Toleration
for i := 0; i < 10; i++ {
testTaint := addRandomTaitToNode(cs, nodeName)
testTaint := addRandomTaintToNode(cs, nodeName)
tolerations = append(tolerations, v1.Toleration{Key: testTaint.Key, Value: testTaint.Value, Effect: testTaint.Effect})
defer framework.RemoveTaintOffNode(cs, nodeName, *testTaint)
}
tolerationPodName = "with-tolerations"
ginkgo.By("Adding 10 intolerable taints to all other nodes")
for i := 1; i < len(nodeList.Items); i++ {
node := nodeList.Items[i]
for i := 0; i < 10; i++ {
testTaint := addRandomTaintToNode(cs, node.Name)
defer framework.RemoveTaintOffNode(cs, node.Name, *testTaint)
}
}
tolerationPodName := "with-tolerations"
ginkgo.By("Create a pod that tolerates all the taints of the first node.")
pod = createPausePod(f, pausePodConfig{
pod := createPausePod(f, pausePodConfig{
Name: tolerationPodName,
Tolerations: tolerations,
})
framework.ExpectNoError(f.WaitForPodRunning(pod.Name))
ginkgo.By("Pod should prefer scheduled to the node that pod can tolerate.")
tolePod, err = cs.CoreV1().Pods(ns).Get(tolerationPodName, metav1.GetOptions{})
tolePod, err := cs.CoreV1().Pods(ns).Get(tolerationPodName, metav1.GetOptions{})
framework.ExpectNoError(err)
framework.ExpectEqual(tolePod.Spec.NodeName, nodeName)
})
@ -412,7 +399,7 @@ func createRC(ns, rsName string, replicas int32, rcPodLabels map[string]string,
return rc
}
func addRandomTaitToNode(cs clientset.Interface, nodeName string) *v1.Taint {
func addRandomTaintToNode(cs clientset.Interface, nodeName string) *v1.Taint {
testTaint := v1.Taint{
Key: fmt.Sprintf("kubernetes.io/e2e-taint-key-%s", string(uuid.NewUUID())),
Value: fmt.Sprintf("testing-taint-value-%s", string(uuid.NewUUID())),