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Fix issue with not waiting for nodes to be fully schedulable during test cleanup

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This commit is contained in:
Aleksandra Malinowska 2017-06-30 14:15:17 +02:00
parent e74ef81622
commit d10cf91cf4
1 changed files with 31 additions and 6 deletions
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37
test/e2e/autoscaling/cluster_size_autoscaling.go
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@ -59,11 +59,14 @@ const (
nodesRecoverTimeout = 5 * time.Minute
rcCreationRetryTimeout = 4 * time.Minute
rcCreationRetryDelay = 20 * time.Second
makeSchedulableTimeout = 10 * time.Minute
makeSchedulableDelay = 20 * time.Second
gkeEndpoint = "https://test-container.sandbox.googleapis.com"
gkeUpdateTimeout = 15 * time.Minute
disabledTaint = "DisabledForAutoscalingTest"
criticalAddonsOnlyTaint = "CriticalAddonsOnly"
newNodesForScaledownTests = 2
unhealthyClusterThreshold = 4
@ -126,9 +129,22 @@ var _ = framework.KubeDescribe("Cluster size autoscaling [Slow]", func() {
framework.ExpectNoError(framework.WaitForClusterSize(c, expectedNodes, scaleDownTimeout))
nodes, err := c.Core().Nodes().List(metav1.ListOptions{})
framework.ExpectNoError(err)
for _, n := range nodes.Items {
framework.ExpectNoError(makeNodeSchedulable(c, &n))
s := time.Now()
makeSchedulableLoop:
for start := time.Now(); time.Since(start) < makeSchedulableTimeout; time.Sleep(makeSchedulableDelay) {
for _, n := range nodes.Items {
err = makeNodeSchedulable(c, &n, true)
switch err.(type) {
case CriticalAddonsOnlyError:
continue makeSchedulableLoop
default:
framework.ExpectNoError(err)
}
}
break
}
glog.Infof("Made nodes schedulable again in %v", time.Now().Sub(s).String())
})
It("shouldn't increase cluster size if pending pod is too large [Feature:ClusterSizeAutoscalingScaleUp]", func() {
@ -574,7 +590,7 @@ var _ = framework.KubeDescribe("Cluster size autoscaling [Slow]", func() {
err = makeNodeUnschedulable(f.ClientSet, &node)
defer func(n v1.Node) {
makeNodeSchedulable(f.ClientSet, &n)
makeNodeSchedulable(f.ClientSet, &n, false)
}(node)
framework.ExpectNoError(err)
}
@ -1012,7 +1028,13 @@ func makeNodeUnschedulable(c clientset.Interface, node *v1.Node) error {
return fmt.Errorf("Failed to taint node in allowed number of retries")
}
func makeNodeSchedulable(c clientset.Interface, node *v1.Node) error {
type CriticalAddonsOnlyError struct{}
func (_ CriticalAddonsOnlyError) Error() string {
return fmt.Sprintf("CriticalAddonsOnly taint found on node")
}
func makeNodeSchedulable(c clientset.Interface, node *v1.Node, failOnCriticalAddonsOnly bool) error {
By(fmt.Sprintf("Remove taint from node %s", node.Name))
for j := 0; j < 3; j++ {
freshNode, err := c.Core().Nodes().Get(node.Name, metav1.GetOptions{})
@ -1021,6 +1043,9 @@ func makeNodeSchedulable(c clientset.Interface, node *v1.Node) error {
}
newTaints := make([]v1.Taint, 0)
for _, taint := range freshNode.Spec.Taints {
if failOnCriticalAddonsOnly && taint.Key == criticalAddonsOnlyTaint {
return CriticalAddonsOnlyError{}
}
if taint.Key != disabledTaint {
newTaints = append(newTaints, taint)
}
@ -1143,7 +1168,7 @@ func runReplicatedPodOnEachNode(f *framework.Framework, nodes []v1.Node, namespa
err := makeNodeUnschedulable(f.ClientSet, &node)
defer func(n v1.Node) {
makeNodeSchedulable(f.ClientSet, &n)
makeNodeSchedulable(f.ClientSet, &n, false)
}(node)
if err != nil {
@ -1169,7 +1194,7 @@ func runReplicatedPodOnEachNode(f *framework.Framework, nodes []v1.Node, namespa
return err
}
for i, node := range nodes {
err = makeNodeSchedulable(f.ClientSet, &node)
err = makeNodeSchedulable(f.ClientSet, &node, false)
if err != nil {
return err
}