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add volumes test

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This commit is contained in:
Aleksandra Malinowska 2017-06-22 16:12:15 +02:00
parent f39c1712c2
commit ea1bf3860b
2 changed files with 144 additions and 0 deletions
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1
test/e2e/autoscaling/BUILD
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@ -32,6 +32,7 @@ go_library(
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/fields:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/labels:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/util/errors:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/util/intstr:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/util/sets:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/util/uuid:go_default_library",

143
test/e2e/autoscaling/cluster_size_autoscaling.go
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@ -33,6 +33,8 @@ import (
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/fields"
"k8s.io/apimachinery/pkg/labels"
utilerrors "k8s.io/apimachinery/pkg/util/errors"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/apimachinery/pkg/util/sets"
"k8s.io/apimachinery/pkg/util/uuid"
@ -252,6 +254,100 @@ var _ = framework.KubeDescribe("Cluster size autoscaling [Slow]", func() {
framework.ExpectNoError(framework.WaitForClusterSize(c, nodeCount+newPods, scaleUpTimeout))
})
It("should increase cluster size if pod requesting EmptyDir volume is pending [Feature:ClusterSizeAutoscalingScaleUp", func() {
By("creating pods")
pods := nodeCount
newPods := 1
labels := map[string]string{
"anti-affinity": "yes",
}
framework.ExpectNoError(runAntiAffinityPods(f, f.Namespace.Name, pods, "some-pod", labels, labels))
defer framework.DeleteRCAndPods(f.ClientSet, f.InternalClientset, f.Namespace.Name, "some-pod")
By("waiting for all pods before triggering scale up")
framework.ExpectNoError(waitForAllCaPodsReadyInNamespace(f, c))
By("creating a pod requesting EmptyDir")
framework.ExpectNoError(runVolumeAntiAffinityPods(f, f.Namespace.Name, newPods, "extra-pod", labels, labels, emptyDirVolumes))
defer framework.DeleteRCAndPods(f.ClientSet, f.InternalClientset, f.Namespace.Name, "extra-pod")
framework.ExpectNoError(waitForAllCaPodsReadyInNamespace(f, c))
framework.ExpectNoError(framework.WaitForClusterSize(c, nodeCount+newPods, scaleUpTimeout))
})
It("should increase cluster size if pod requesting volume is pending [Feature:ClusterSizeAutoscalingScaleUp", func() {
framework.SkipUnlessProviderIs("gce", "gke")
volumeLabels := labels.Set{
framework.VolumeSelectorKey: f.Namespace.Name,
}
selector := metav1.SetAsLabelSelector(volumeLabels)
By("creating volume & pvc")
diskName, err := framework.CreatePDWithRetry()
framework.ExpectNoError(err)
pvConfig := framework.PersistentVolumeConfig{
NamePrefix: "gce-",
Labels: volumeLabels,
PVSource: v1.PersistentVolumeSource{
GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{
PDName: diskName,
FSType: "ext3",
ReadOnly: false,
},
},
Prebind: nil,
}
pvcConfig := framework.PersistentVolumeClaimConfig{
Annotations: map[string]string{
v1.BetaStorageClassAnnotation: "",
},
Selector: selector,
}
pv, pvc, err := framework.CreatePVPVC(c, pvConfig, pvcConfig, f.Namespace.Name, false)
framework.ExpectNoError(err)
framework.ExpectNoError(framework.WaitOnPVandPVC(c, f.Namespace.Name, pv, pvc))
defer func() {
errs := framework.PVPVCCleanup(c, f.Namespace.Name, pv, pvc)
if len(errs) > 0 {
framework.Failf("failed to delete PVC and/or PV. Errors: %v", utilerrors.NewAggregate(errs))
}
pv, pvc = nil, nil
if diskName != "" {
framework.ExpectNoError(framework.DeletePDWithRetry(diskName))
}
}()
By("creating pods")
pods := nodeCount
labels := map[string]string{
"anti-affinity": "yes",
}
framework.ExpectNoError(runAntiAffinityPods(f, f.Namespace.Name, pods, "some-pod", labels, labels))
defer func() {
framework.DeleteRCAndPods(f.ClientSet, f.InternalClientset, f.Namespace.Name, "some-pod")
glog.Infof("RC and pods not using volume deleted")
}()
By("waiting for all pods before triggering scale up")
framework.ExpectNoError(waitForAllCaPodsReadyInNamespace(f, c))
By("creating a pod requesting PVC")
pvcPodName := "pvc-pod"
newPods := 1
volumes := buildVolumes(pv, pvc)
framework.ExpectNoError(runVolumeAntiAffinityPods(f, f.Namespace.Name, newPods, pvcPodName, labels, labels, volumes))
defer func() {
framework.DeleteRCAndPods(f.ClientSet, f.InternalClientset, f.Namespace.Name, pvcPodName)
framework.ExpectNoError(waitForAllCaPodsReadyInNamespace(f, c))
}()
framework.ExpectNoError(waitForAllCaPodsReadyInNamespace(f, c))
framework.ExpectNoError(framework.WaitForClusterSize(c, nodeCount+newPods, scaleUpTimeout))
})
It("should add node to the particular mig [Feature:ClusterSizeAutoscalingScaleUp]", func() {
labelKey := "cluster-autoscaling-test.special-node"
labelValue := "true"
@ -916,6 +1012,53 @@ func runAntiAffinityPods(f *framework.Framework, namespace string, pods int, id
return nil
}
func runVolumeAntiAffinityPods(f *framework.Framework, namespace string, pods int, id string, podLabels, antiAffinityLabels map[string]string, volumes []v1.Volume) error {
config := &testutils.RCConfig{
Affinity: buildAntiAffinity(antiAffinityLabels),
Volumes: volumes,
Client: f.ClientSet,
InternalClient: f.InternalClientset,
Name: id,
Namespace: namespace,
Timeout: scaleUpTimeout,
Image: framework.GetPauseImageName(f.ClientSet),
Replicas: pods,
Labels: podLabels,
}
err := framework.RunRC(*config)
if err != nil {
return err
}
_, err = f.ClientSet.Core().ReplicationControllers(namespace).Get(id, metav1.GetOptions{})
if err != nil {
return err
}
return nil
}
var emptyDirVolumes = []v1.Volume{
{
Name: "empty-volume",
VolumeSource: v1.VolumeSource{
EmptyDir: &v1.EmptyDirVolumeSource{},
},
},
}
func buildVolumes(pv *v1.PersistentVolume, pvc *v1.PersistentVolumeClaim) []v1.Volume {
return []v1.Volume{
{
Name: pv.Name,
VolumeSource: v1.VolumeSource{
PersistentVolumeClaim: &v1.PersistentVolumeClaimVolumeSource{
ClaimName: pvc.Name,
ReadOnly: false,
},
},
},
}
}
func buildAntiAffinity(labels map[string]string) *v1.Affinity {
return &v1.Affinity{
PodAntiAffinity: &v1.PodAntiAffinity{