Add generated file
This PR adds generated files under pkg/client and vendor folder.
This commit is contained in:
xing-yang
450
vendor/k8s.io/kubernetes/test/e2e_node/summary_test.go
generated
vendored
Normal file
450
vendor/k8s.io/kubernetes/test/e2e_node/summary_test.go
generated
vendored
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@@ -0,0 +1,450 @@
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/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
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||||
You may obtain a copy of the License at
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||||
http://www.apache.org/licenses/LICENSE-2.0
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||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
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distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
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limitations under the License.
|
||||
*/
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|
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package e2e_node
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import (
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"fmt"
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"io/ioutil"
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"os/exec"
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"strings"
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"time"
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|
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"k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/resource"
|
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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stats "k8s.io/kubernetes/pkg/kubelet/apis/stats/v1alpha1"
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"k8s.io/kubernetes/test/e2e/framework"
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systemdutil "github.com/coreos/go-systemd/util"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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"github.com/onsi/gomega/gstruct"
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"github.com/onsi/gomega/types"
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)
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var _ = framework.KubeDescribe("Summary API [NodeConformance]", func() {
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f := framework.NewDefaultFramework("summary-test")
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Context("when querying /stats/summary", func() {
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AfterEach(func() {
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if !CurrentGinkgoTestDescription().Failed {
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return
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||||
}
|
||||
if framework.TestContext.DumpLogsOnFailure {
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framework.LogFailedContainers(f.ClientSet, f.Namespace.Name, framework.Logf)
|
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}
|
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By("Recording processes in system cgroups")
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recordSystemCgroupProcesses()
|
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})
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It("should report resource usage through the stats api", func() {
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const pod0 = "stats-busybox-0"
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const pod1 = "stats-busybox-1"
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|
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By("Creating test pods")
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numRestarts := int32(1)
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pods := getSummaryTestPods(f, numRestarts, pod0, pod1)
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f.PodClient().CreateBatch(pods)
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|
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Eventually(func() error {
|
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for _, pod := range pods {
|
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err := verifyPodRestartCount(f, pod.Name, len(pod.Spec.Containers), numRestarts)
|
||||
if err != nil {
|
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return err
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||||
}
|
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}
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return nil
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}, time.Minute, 5*time.Second).Should(BeNil())
|
||||
|
||||
// Wait for cAdvisor to collect 2 stats points
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time.Sleep(15 * time.Second)
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|
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// Setup expectations.
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const (
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maxStartAge = time.Hour * 24 * 365 // 1 year
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maxStatsAge = time.Minute
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)
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// fetch node so we can know proper node memory bounds for unconstrained cgroups
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node := getLocalNode(f)
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memoryCapacity := node.Status.Capacity["memory"]
|
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memoryLimit := memoryCapacity.Value()
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fsCapacityBounds := bounded(100*framework.Mb, 10*framework.Tb)
|
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// Expectations for system containers.
|
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sysContExpectations := func() types.GomegaMatcher {
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return gstruct.MatchAllFields(gstruct.Fields{
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"Name": gstruct.Ignore(),
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"StartTime": recent(maxStartAge),
|
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"CPU": ptrMatchAllFields(gstruct.Fields{
|
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"Time": recent(maxStatsAge),
|
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"UsageNanoCores": bounded(10000, 2E9),
|
||||
"UsageCoreNanoSeconds": bounded(10000000, 1E15),
|
||||
}),
|
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"Memory": ptrMatchAllFields(gstruct.Fields{
|
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"Time": recent(maxStatsAge),
|
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// We don't limit system container memory.
|
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"AvailableBytes": BeNil(),
|
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"UsageBytes": bounded(1*framework.Mb, memoryLimit),
|
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"WorkingSetBytes": bounded(1*framework.Mb, memoryLimit),
|
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// this now returns /sys/fs/cgroup/memory.stat total_rss
|
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"RSSBytes": bounded(1*framework.Mb, memoryLimit),
|
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"PageFaults": bounded(1000, 1E9),
|
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"MajorPageFaults": bounded(0, 100000),
|
||||
}),
|
||||
"Accelerators": BeEmpty(),
|
||||
"Rootfs": BeNil(),
|
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"Logs": BeNil(),
|
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"UserDefinedMetrics": BeEmpty(),
|
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})
|
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}
|
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podsContExpectations := sysContExpectations().(*gstruct.FieldsMatcher)
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podsContExpectations.Fields["Memory"] = ptrMatchAllFields(gstruct.Fields{
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"Time": recent(maxStatsAge),
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// Pods are limited by Node Allocatable
|
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"AvailableBytes": bounded(1*framework.Kb, memoryLimit),
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"UsageBytes": bounded(10*framework.Kb, 50*framework.Mb),
|
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"WorkingSetBytes": bounded(10*framework.Kb, 50*framework.Mb),
|
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"RSSBytes": bounded(1*framework.Kb, 20*framework.Mb),
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"PageFaults": bounded(0, 1000000),
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"MajorPageFaults": bounded(0, 10),
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})
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runtimeContExpectations := sysContExpectations().(*gstruct.FieldsMatcher)
|
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if systemdutil.IsRunningSystemd() && framework.TestContext.ContainerRuntime == "docker" {
|
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// Some Linux distributions still ship a docker.service that is missing
|
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// a `Delegate=yes` setting (or equivalent CPUAccounting= and MemoryAccounting=)
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// that allows us to monitor the container runtime resource usage through
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// the "cpu" and "memory" cgroups.
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//
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// Make an exception here for those distros, only for Docker, so that they
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// can pass the full node e2e tests even in that case.
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//
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// For newer container runtimes (using CRI) and even distros that still
|
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// ship Docker, we should encourage them to always set `Delegate=yes` in
|
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// order to make monitoring of the runtime possible.
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stdout, err := exec.Command("systemctl", "show", "-p", "Delegate", "docker.service").CombinedOutput()
|
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if err == nil && strings.TrimSpace(string(stdout)) == "Delegate=no" {
|
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// Only make these optional if we can successfully confirm that
|
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// Delegate is set to "no" (in other words, unset.) If we fail
|
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// to check that, default to requiring it, which might cause
|
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// false positives, but that should be the safer approach.
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By("Making runtime container expectations optional, since systemd was not configured to Delegate=yes the cgroups")
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runtimeContExpectations.Fields["Memory"] = Or(BeNil(), runtimeContExpectations.Fields["Memory"])
|
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runtimeContExpectations.Fields["CPU"] = Or(BeNil(), runtimeContExpectations.Fields["CPU"])
|
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}
|
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}
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systemContainers := gstruct.Elements{
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"kubelet": sysContExpectations(),
|
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"runtime": runtimeContExpectations,
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"pods": podsContExpectations,
|
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}
|
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// The Kubelet only manages the 'misc' system container if the host is not running systemd.
|
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if !systemdutil.IsRunningSystemd() {
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framework.Logf("Host not running systemd; expecting 'misc' system container.")
|
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miscContExpectations := sysContExpectations().(*gstruct.FieldsMatcher)
|
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// Misc processes are system-dependent, so relax the memory constraints.
|
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miscContExpectations.Fields["Memory"] = ptrMatchAllFields(gstruct.Fields{
|
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"Time": recent(maxStatsAge),
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// We don't limit system container memory.
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"AvailableBytes": BeNil(),
|
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"UsageBytes": bounded(100*framework.Kb, memoryLimit),
|
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"WorkingSetBytes": bounded(100*framework.Kb, memoryLimit),
|
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"RSSBytes": bounded(100*framework.Kb, memoryLimit),
|
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"PageFaults": bounded(1000, 1E9),
|
||||
"MajorPageFaults": bounded(0, 100000),
|
||||
})
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systemContainers["misc"] = miscContExpectations
|
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}
|
||||
// Expectations for pods.
|
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podExpectations := gstruct.MatchAllFields(gstruct.Fields{
|
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"PodRef": gstruct.Ignore(),
|
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"StartTime": recent(maxStartAge),
|
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"Containers": gstruct.MatchAllElements(summaryObjectID, gstruct.Elements{
|
||||
"busybox-container": gstruct.MatchAllFields(gstruct.Fields{
|
||||
"Name": Equal("busybox-container"),
|
||||
"StartTime": recent(maxStartAge),
|
||||
"CPU": ptrMatchAllFields(gstruct.Fields{
|
||||
"Time": recent(maxStatsAge),
|
||||
"UsageNanoCores": bounded(10000, 1E9),
|
||||
"UsageCoreNanoSeconds": bounded(10000000, 1E11),
|
||||
}),
|
||||
"Memory": ptrMatchAllFields(gstruct.Fields{
|
||||
"Time": recent(maxStatsAge),
|
||||
"AvailableBytes": bounded(1*framework.Kb, 10*framework.Mb),
|
||||
"UsageBytes": bounded(10*framework.Kb, 20*framework.Mb),
|
||||
"WorkingSetBytes": bounded(10*framework.Kb, 20*framework.Mb),
|
||||
"RSSBytes": bounded(1*framework.Kb, framework.Mb),
|
||||
"PageFaults": bounded(100, 1000000),
|
||||
"MajorPageFaults": bounded(0, 10),
|
||||
}),
|
||||
"Accelerators": BeEmpty(),
|
||||
"Rootfs": ptrMatchAllFields(gstruct.Fields{
|
||||
"Time": recent(maxStatsAge),
|
||||
"AvailableBytes": fsCapacityBounds,
|
||||
"CapacityBytes": fsCapacityBounds,
|
||||
"UsedBytes": bounded(framework.Kb, 10*framework.Mb),
|
||||
"InodesFree": bounded(1E4, 1E8),
|
||||
"Inodes": bounded(1E4, 1E8),
|
||||
"InodesUsed": bounded(0, 1E8),
|
||||
}),
|
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"Logs": ptrMatchAllFields(gstruct.Fields{
|
||||
"Time": recent(maxStatsAge),
|
||||
"AvailableBytes": fsCapacityBounds,
|
||||
"CapacityBytes": fsCapacityBounds,
|
||||
"UsedBytes": bounded(framework.Kb, 10*framework.Mb),
|
||||
"InodesFree": bounded(1E4, 1E8),
|
||||
"Inodes": bounded(1E4, 1E8),
|
||||
"InodesUsed": bounded(0, 1E8),
|
||||
}),
|
||||
"UserDefinedMetrics": BeEmpty(),
|
||||
}),
|
||||
}),
|
||||
"Network": ptrMatchAllFields(gstruct.Fields{
|
||||
"Time": recent(maxStatsAge),
|
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"InterfaceStats": gstruct.MatchAllFields(gstruct.Fields{
|
||||
"Name": Equal("eth0"),
|
||||
"RxBytes": bounded(10, 10*framework.Mb),
|
||||
"RxErrors": bounded(0, 1000),
|
||||
"TxBytes": bounded(10, 10*framework.Mb),
|
||||
"TxErrors": bounded(0, 1000),
|
||||
}),
|
||||
"Interfaces": Not(BeNil()),
|
||||
}),
|
||||
"CPU": ptrMatchAllFields(gstruct.Fields{
|
||||
"Time": recent(maxStatsAge),
|
||||
"UsageNanoCores": bounded(10000, 1E9),
|
||||
"UsageCoreNanoSeconds": bounded(10000000, 1E11),
|
||||
}),
|
||||
"Memory": ptrMatchAllFields(gstruct.Fields{
|
||||
"Time": recent(maxStatsAge),
|
||||
"AvailableBytes": bounded(1*framework.Kb, 10*framework.Mb),
|
||||
"UsageBytes": bounded(10*framework.Kb, 20*framework.Mb),
|
||||
"WorkingSetBytes": bounded(10*framework.Kb, 20*framework.Mb),
|
||||
"RSSBytes": bounded(1*framework.Kb, framework.Mb),
|
||||
"PageFaults": bounded(0, 1000000),
|
||||
"MajorPageFaults": bounded(0, 10),
|
||||
}),
|
||||
"VolumeStats": gstruct.MatchAllElements(summaryObjectID, gstruct.Elements{
|
||||
"test-empty-dir": gstruct.MatchAllFields(gstruct.Fields{
|
||||
"Name": Equal("test-empty-dir"),
|
||||
"PVCRef": BeNil(),
|
||||
"FsStats": gstruct.MatchAllFields(gstruct.Fields{
|
||||
"Time": recent(maxStatsAge),
|
||||
"AvailableBytes": fsCapacityBounds,
|
||||
"CapacityBytes": fsCapacityBounds,
|
||||
"UsedBytes": bounded(framework.Kb, 1*framework.Mb),
|
||||
"InodesFree": bounded(1E4, 1E8),
|
||||
"Inodes": bounded(1E4, 1E8),
|
||||
"InodesUsed": bounded(0, 1E8),
|
||||
}),
|
||||
}),
|
||||
}),
|
||||
"EphemeralStorage": ptrMatchAllFields(gstruct.Fields{
|
||||
"Time": recent(maxStatsAge),
|
||||
"AvailableBytes": fsCapacityBounds,
|
||||
"CapacityBytes": fsCapacityBounds,
|
||||
"UsedBytes": bounded(framework.Kb, 21*framework.Mb),
|
||||
"InodesFree": bounded(1E4, 1E8),
|
||||
"Inodes": bounded(1E4, 1E8),
|
||||
"InodesUsed": bounded(0, 1E8),
|
||||
}),
|
||||
})
|
||||
|
||||
matchExpectations := ptrMatchAllFields(gstruct.Fields{
|
||||
"Node": gstruct.MatchAllFields(gstruct.Fields{
|
||||
"NodeName": Equal(framework.TestContext.NodeName),
|
||||
"StartTime": recent(maxStartAge),
|
||||
"SystemContainers": gstruct.MatchAllElements(summaryObjectID, systemContainers),
|
||||
"CPU": ptrMatchAllFields(gstruct.Fields{
|
||||
"Time": recent(maxStatsAge),
|
||||
"UsageNanoCores": bounded(100E3, 2E9),
|
||||
"UsageCoreNanoSeconds": bounded(1E9, 1E15),
|
||||
}),
|
||||
"Memory": ptrMatchAllFields(gstruct.Fields{
|
||||
"Time": recent(maxStatsAge),
|
||||
"AvailableBytes": bounded(100*framework.Mb, memoryLimit),
|
||||
"UsageBytes": bounded(10*framework.Mb, memoryLimit),
|
||||
"WorkingSetBytes": bounded(10*framework.Mb, memoryLimit),
|
||||
// this now returns /sys/fs/cgroup/memory.stat total_rss
|
||||
"RSSBytes": bounded(1*framework.Kb, memoryLimit),
|
||||
"PageFaults": bounded(1000, 1E9),
|
||||
"MajorPageFaults": bounded(0, 100000),
|
||||
}),
|
||||
// TODO(#28407): Handle non-eth0 network interface names.
|
||||
"Network": ptrMatchAllFields(gstruct.Fields{
|
||||
"Time": recent(maxStatsAge),
|
||||
"InterfaceStats": gstruct.MatchAllFields(gstruct.Fields{
|
||||
"Name": Or(BeEmpty(), Equal("eth0")),
|
||||
"RxBytes": Or(BeNil(), bounded(1*framework.Mb, 100*framework.Gb)),
|
||||
"RxErrors": Or(BeNil(), bounded(0, 100000)),
|
||||
"TxBytes": Or(BeNil(), bounded(10*framework.Kb, 10*framework.Gb)),
|
||||
"TxErrors": Or(BeNil(), bounded(0, 100000)),
|
||||
}),
|
||||
"Interfaces": Not(BeNil()),
|
||||
}),
|
||||
"Fs": ptrMatchAllFields(gstruct.Fields{
|
||||
"Time": recent(maxStatsAge),
|
||||
"AvailableBytes": fsCapacityBounds,
|
||||
"CapacityBytes": fsCapacityBounds,
|
||||
// we assume we are not running tests on machines < 10tb of disk
|
||||
"UsedBytes": bounded(framework.Kb, 10*framework.Tb),
|
||||
"InodesFree": bounded(1E4, 1E8),
|
||||
"Inodes": bounded(1E4, 1E8),
|
||||
"InodesUsed": bounded(0, 1E8),
|
||||
}),
|
||||
"Runtime": ptrMatchAllFields(gstruct.Fields{
|
||||
"ImageFs": ptrMatchAllFields(gstruct.Fields{
|
||||
"Time": recent(maxStatsAge),
|
||||
"AvailableBytes": fsCapacityBounds,
|
||||
"CapacityBytes": fsCapacityBounds,
|
||||
// we assume we are not running tests on machines < 10tb of disk
|
||||
"UsedBytes": bounded(framework.Kb, 10*framework.Tb),
|
||||
"InodesFree": bounded(1E4, 1E8),
|
||||
"Inodes": bounded(1E4, 1E8),
|
||||
"InodesUsed": bounded(0, 1E8),
|
||||
}),
|
||||
}),
|
||||
"Rlimit": ptrMatchAllFields(gstruct.Fields{
|
||||
"Time": recent(maxStatsAge),
|
||||
"MaxPID": bounded(0, 1E8),
|
||||
"NumOfRunningProcesses": bounded(0, 1E8),
|
||||
}),
|
||||
}),
|
||||
// Ignore extra pods since the tests run in parallel.
|
||||
"Pods": gstruct.MatchElements(summaryObjectID, gstruct.IgnoreExtras, gstruct.Elements{
|
||||
fmt.Sprintf("%s::%s", f.Namespace.Name, pod0): podExpectations,
|
||||
fmt.Sprintf("%s::%s", f.Namespace.Name, pod1): podExpectations,
|
||||
}),
|
||||
})
|
||||
|
||||
By("Validating /stats/summary")
|
||||
// Give pods a minute to actually start up.
|
||||
Eventually(getNodeSummary, 1*time.Minute, 15*time.Second).Should(matchExpectations)
|
||||
// Then the summary should match the expectations a few more times.
|
||||
Consistently(getNodeSummary, 30*time.Second, 15*time.Second).Should(matchExpectations)
|
||||
})
|
||||
})
|
||||
})
|
||||
|
||||
func getSummaryTestPods(f *framework.Framework, numRestarts int32, names ...string) []*v1.Pod {
|
||||
pods := make([]*v1.Pod, 0, len(names))
|
||||
for _, name := range names {
|
||||
pods = append(pods, &v1.Pod{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: name,
|
||||
},
|
||||
Spec: v1.PodSpec{
|
||||
RestartPolicy: v1.RestartPolicyAlways,
|
||||
Containers: []v1.Container{
|
||||
{
|
||||
Name: "busybox-container",
|
||||
Image: busyboxImage,
|
||||
Command: getRestartingContainerCommand("/test-empty-dir-mnt", 0, numRestarts, "echo 'some bytes' >/outside_the_volume.txt; ping -c 1 google.com; echo 'hello world' >> /test-empty-dir-mnt/file;"),
|
||||
Resources: v1.ResourceRequirements{
|
||||
Limits: v1.ResourceList{
|
||||
// Must set memory limit to get MemoryStats.AvailableBytes
|
||||
v1.ResourceMemory: resource.MustParse("10M"),
|
||||
},
|
||||
},
|
||||
VolumeMounts: []v1.VolumeMount{
|
||||
{MountPath: "/test-empty-dir-mnt", Name: "test-empty-dir"},
|
||||
},
|
||||
},
|
||||
},
|
||||
SecurityContext: &v1.PodSecurityContext{
|
||||
SELinuxOptions: &v1.SELinuxOptions{
|
||||
Level: "s0",
|
||||
},
|
||||
},
|
||||
Volumes: []v1.Volume{
|
||||
// TODO(#28393): Test secret volumes
|
||||
// TODO(#28394): Test hostpath volumes
|
||||
{Name: "test-empty-dir", VolumeSource: v1.VolumeSource{EmptyDir: &v1.EmptyDirVolumeSource{}}},
|
||||
},
|
||||
},
|
||||
})
|
||||
}
|
||||
return pods
|
||||
}
|
||||
|
||||
// Mapping function for gstruct.MatchAllElements
|
||||
func summaryObjectID(element interface{}) string {
|
||||
switch el := element.(type) {
|
||||
case stats.PodStats:
|
||||
return fmt.Sprintf("%s::%s", el.PodRef.Namespace, el.PodRef.Name)
|
||||
case stats.ContainerStats:
|
||||
return el.Name
|
||||
case stats.VolumeStats:
|
||||
return el.Name
|
||||
case stats.UserDefinedMetric:
|
||||
return el.Name
|
||||
default:
|
||||
framework.Failf("Unknown type: %T", el)
|
||||
return "???"
|
||||
}
|
||||
}
|
||||
|
||||
// Convenience functions for common matcher combinations.
|
||||
func ptrMatchAllFields(fields gstruct.Fields) types.GomegaMatcher {
|
||||
return gstruct.PointTo(gstruct.MatchAllFields(fields))
|
||||
}
|
||||
|
||||
func bounded(lower, upper interface{}) types.GomegaMatcher {
|
||||
return gstruct.PointTo(And(
|
||||
BeNumerically(">=", lower),
|
||||
BeNumerically("<=", upper)))
|
||||
}
|
||||
|
||||
func recent(d time.Duration) types.GomegaMatcher {
|
||||
return WithTransform(func(t metav1.Time) time.Time {
|
||||
return t.Time
|
||||
}, And(
|
||||
BeTemporally(">=", time.Now().Add(-d)),
|
||||
// Now() is the test start time, not the match time, so permit a few extra minutes.
|
||||
BeTemporally("<", time.Now().Add(2*time.Minute))))
|
||||
}
|
||||
|
||||
func recordSystemCgroupProcesses() {
|
||||
cfg, err := getCurrentKubeletConfig()
|
||||
if err != nil {
|
||||
framework.Logf("Failed to read kubelet config: %v", err)
|
||||
return
|
||||
}
|
||||
cgroups := map[string]string{
|
||||
"kubelet": cfg.KubeletCgroups,
|
||||
"misc": cfg.SystemCgroups,
|
||||
}
|
||||
for name, cgroup := range cgroups {
|
||||
if cgroup == "" {
|
||||
framework.Logf("Skipping unconfigured cgroup %s", name)
|
||||
continue
|
||||
}
|
||||
|
||||
pids, err := ioutil.ReadFile(fmt.Sprintf("/sys/fs/cgroup/cpu/%s/cgroup.procs", cgroup))
|
||||
if err != nil {
|
||||
framework.Logf("Failed to read processes in cgroup %s: %v", name, err)
|
||||
continue
|
||||
}
|
||||
|
||||
framework.Logf("Processes in %s cgroup (%s):", name, cgroup)
|
||||
for _, pid := range strings.Fields(string(pids)) {
|
||||
path := fmt.Sprintf("/proc/%s/cmdline", pid)
|
||||
cmd, err := ioutil.ReadFile(path)
|
||||
if err != nil {
|
||||
framework.Logf(" Failed to read %s: %v", path, err)
|
||||
} else {
|
||||
framework.Logf(" %s", cmd)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user