// 1. Run a pod to get an available node, then delete the pod
// 2. Taint the node with a random taint
// 3. Try to relaunch the pod with tolerations tolerate the taints on node,
// and the pod's nodeName specified to the name of node found in step 1
It("validates that taints-tolerations is respected if matching", func() {
nodeName := getNodeThatCanRunPodWithoutToleration(f)
By("Trying to apply a random taint on the found node.")
testTaint := api.Taint{
Key: fmt.Sprintf("kubernetes.io/e2e-taint-key-%s", string(uuid.NewUUID())),
Value: "testing-taint-value",
Effect: api.TaintEffectNoSchedule,
}
framework.AddOrUpdateTaintOnNode(c, nodeName, testTaint)
framework.ExpectNodeHasTaint(c, nodeName, testTaint)
defer framework.RemoveTaintOffNode(c, nodeName, testTaint)
By("Trying to apply a random label on the found node.")
labelKey := fmt.Sprintf("kubernetes.io/e2e-label-key-%s", string(uuid.NewUUID()))
labelValue := "testing-label-value"
framework.AddOrUpdateLabelOnNode(cs, nodeName, labelKey, labelValue)
framework.ExpectNodeHasLabel(cs, nodeName, labelKey, labelValue)
defer framework.RemoveLabelOffNode(cs, nodeName, labelKey)
By("Trying to relaunch the pod, now with tolerations.")
tolerationPodName := "with-tolerations"
pod := createPausePod(f, pausePodConfig{
Name: tolerationPodName,
Annotations: map[string]string{
"scheduler.alpha.kubernetes.io/tolerations": `
[
pod, err = c.Pods(ns).Get(podName)
framework.ExpectNoError(err)
nodeName := pod.Spec.NodeName
By("Explicitly delete pod here to free the resource it takes.")
err = c.Pods(ns).Delete(podName, api.NewDeleteOptions(0))
framework.ExpectNoError(err)
By("Trying to apply a random taint on the found node.")
taintName := fmt.Sprintf("kubernetes.io/e2e-taint-key-%s", string(uuid.NewUUID()))
taintValue := "testing-taint-value"
taintEffect := api.TaintEffectNoSchedule
framework.AddOrUpdateTaintOnNode(c, nodeName, api.Taint{Key: taintName, Value: taintValue, Effect: taintEffect})
framework.ExpectNodeHasTaint(c, nodeName, taintName)
defer framework.RemoveTaintOffNode(c, nodeName, taintName)
By("Trying to apply a random label on the found node.")
labelKey := fmt.Sprintf("kubernetes.io/e2e-label-key-%s", string(uuid.NewUUID()))
labelValue := "testing-label-value"
framework.AddOrUpdateLabelOnNode(c, nodeName, labelKey, labelValue)
framework.ExpectNodeHasLabel(c, nodeName, labelKey, labelValue)
defer framework.RemoveLabelOffNode(c, nodeName, labelKey)
By("Trying to relaunch the pod, now with tolerations.")
tolerationPodName := "with-tolerations"
pod, err = c.Pods(ns).Create(&api.Pod{
TypeMeta: unversioned.TypeMeta{
Kind: "Pod",
},
ObjectMeta: api.ObjectMeta{