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update ResourceMetricsAPI node-e2e test

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/metrics/resource/v1alpha1 was deprecated and moved to
/metrics/resource

Renames to remove v1alpha1 from function names and matcher variables.

Pod deletion was taking multiple minutes, so set GracePeriodSeconds to 0.

Commented restart loop during test pod startup.

Move ResourceMetricsAPI out of Orphans by giving it a NodeFeature tag.

API removed in 7b7c73b #88568
Test created 6051664 #73946
This commit is contained in:
Morgan Bauer 2020-08-14 11:20:02 -07:00
parent d60c72f214
commit 916c73b8a5
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GPG Key ID: F7AAF2BE10FD8465
2 changed files with 14 additions and 14 deletions
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1
test/e2e_node/BUILD
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@ -156,7 +156,6 @@ go_test(
"//pkg/kubelet:go_default_library",
"//pkg/kubelet/apis/config:go_default_library",
"//pkg/kubelet/apis/podresources/v1alpha1:go_default_library",
"//pkg/kubelet/apis/resourcemetrics/v1alpha1:go_default_library",
"//pkg/kubelet/apis/stats/v1alpha1:go_default_library",
"//pkg/kubelet/cm:go_default_library",
"//pkg/kubelet/cm/cpumanager:go_default_library",

27
test/e2e_node/resource_metrics_test.go
View File

@ -21,7 +21,6 @@ import (
"time"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
kubeletresourcemetricsv1alpha1 "k8s.io/kubernetes/pkg/kubelet/apis/resourcemetrics/v1alpha1"
"k8s.io/kubernetes/test/e2e/framework"
e2ekubectl "k8s.io/kubernetes/test/e2e/framework/kubectl"
e2emetrics "k8s.io/kubernetes/test/e2e/framework/metrics"
@ -41,16 +40,16 @@ const (
maxStatsAge = time.Minute
)
var _ = framework.KubeDescribe("ResourceMetricsAPI", func() {
var _ = framework.KubeDescribe("ResourceMetricsAPI [NodeFeature:ResourceMetrics]", func() {
f := framework.NewDefaultFramework("resource-metrics")
ginkgo.Context("when querying /resource/metrics", func() {
ginkgo.BeforeEach(func() {
ginkgo.By("Creating test pods")
ginkgo.By("Creating test pods to measure their resource usage")
numRestarts := int32(1)
pods := getSummaryTestPods(f, numRestarts, pod0, pod1)
f.PodClient().CreateBatch(pods)
ginkgo.By("Waiting for test pods to restart the desired number of times")
ginkgo.By("restarting the containers to ensure container metrics are still being gathered after a container is restarted")
gomega.Eventually(func() error {
for _, pod := range pods {
err := verifyPodRestartCount(f, pod.Name, len(pod.Spec.Containers), numRestarts)
@ -64,13 +63,13 @@ var _ = framework.KubeDescribe("ResourceMetricsAPI", func() {
ginkgo.By("Waiting 15 seconds for cAdvisor to collect 2 stats points")
time.Sleep(15 * time.Second)
})
ginkgo.It("should report resource usage through the v1alpha1 resouce metrics api", func() {
ginkgo.By("Fetching node so we can know proper node memory bounds for unconstrained cgroups")
ginkgo.It("should report resource usage through the resouce metrics api", func() {
ginkgo.By("Fetching node so we can match against an appropriate memory limit")
node := getLocalNode(f)
memoryCapacity := node.Status.Capacity["memory"]
memoryLimit := memoryCapacity.Value()
matchV1alpha1Expectations := gstruct.MatchAllKeys(gstruct.Keys{
matchResourceMetrics := gstruct.MatchAllKeys(gstruct.Keys{
"scrape_error": gstruct.Ignore(),
"node_cpu_usage_seconds_total": gstruct.MatchAllElements(nodeID, gstruct.Elements{
"": boundedSample(1, 1e6),
@ -90,14 +89,15 @@ var _ = framework.KubeDescribe("ResourceMetricsAPI", func() {
}),
})
ginkgo.By("Giving pods a minute to start up and produce metrics")
gomega.Eventually(getV1alpha1ResourceMetrics, 1*time.Minute, 15*time.Second).Should(matchV1alpha1Expectations)
gomega.Eventually(getResourceMetrics, 1*time.Minute, 15*time.Second).Should(matchResourceMetrics)
ginkgo.By("Ensuring the metrics match the expectations a few more times")
gomega.Consistently(getV1alpha1ResourceMetrics, 1*time.Minute, 15*time.Second).Should(matchV1alpha1Expectations)
gomega.Consistently(getResourceMetrics, 1*time.Minute, 15*time.Second).Should(matchResourceMetrics)
})
ginkgo.AfterEach(func() {
ginkgo.By("Deleting test pods")
f.PodClient().DeleteSync(pod0, metav1.DeleteOptions{}, 10*time.Minute)
f.PodClient().DeleteSync(pod1, metav1.DeleteOptions{}, 10*time.Minute)
var zero int64 = 0
f.PodClient().DeleteSync(pod0, metav1.DeleteOptions{GracePeriodSeconds: &zero}, 10*time.Minute)
f.PodClient().DeleteSync(pod1, metav1.DeleteOptions{GracePeriodSeconds: &zero}, 10*time.Minute)
if !ginkgo.CurrentGinkgoTestDescription().Failed {
return
}
@ -110,8 +110,9 @@ var _ = framework.KubeDescribe("ResourceMetricsAPI", func() {
})
})
func getV1alpha1ResourceMetrics() (e2emetrics.KubeletMetrics, error) {
return e2emetrics.GrabKubeletMetricsWithoutProxy(framework.TestContext.NodeName+":10255", "/metrics/resource/"+kubeletresourcemetricsv1alpha1.Version)
func getResourceMetrics() (e2emetrics.KubeletMetrics, error) {
ginkgo.By("getting stable resource metrics API")
return e2emetrics.GrabKubeletMetricsWithoutProxy(framework.TestContext.NodeName+":10255", "/metrics/resource")
}
func nodeID(element interface{}) string {