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Merge pull request #93868 from MHBauer/resourcemetricsapi-test

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update ResourceMetricsAPI tests
This commit is contained in:
Kubernetes Prow Robot 2020-08-27 04:47:16 -07:00 committed by GitHub
commit d506ff062c
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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 {