|
|
|
|
@@ -26,284 +26,181 @@ import (
|
|
|
|
|
"time"
|
|
|
|
|
|
|
|
|
|
"k8s.io/kubernetes/pkg/api"
|
|
|
|
|
"k8s.io/kubernetes/pkg/api/unversioned"
|
|
|
|
|
"k8s.io/kubernetes/pkg/client/restclient"
|
|
|
|
|
client "k8s.io/kubernetes/pkg/client/unversioned"
|
|
|
|
|
apiUnversioned "k8s.io/kubernetes/pkg/api/unversioned"
|
|
|
|
|
"k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/stats"
|
|
|
|
|
"k8s.io/kubernetes/pkg/util"
|
|
|
|
|
"k8s.io/kubernetes/pkg/util/sets"
|
|
|
|
|
"k8s.io/kubernetes/test/e2e/framework"
|
|
|
|
|
|
|
|
|
|
"github.com/davecgh/go-spew/spew"
|
|
|
|
|
. "github.com/onsi/ginkgo"
|
|
|
|
|
. "github.com/onsi/gomega"
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
var _ = Describe("Kubelet", func() {
|
|
|
|
|
var cl *client.Client
|
|
|
|
|
BeforeEach(func() {
|
|
|
|
|
// Setup the apiserver client
|
|
|
|
|
cl = client.NewOrDie(&restclient.Config{Host: *apiServerAddress})
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
Describe("pod scheduling", func() {
|
|
|
|
|
namespace := "pod-scheduling"
|
|
|
|
|
Context("when scheduling a busybox command in a pod", func() {
|
|
|
|
|
podName := "busybox-scheduling"
|
|
|
|
|
It("it should return succes", func() {
|
|
|
|
|
pod := &api.Pod{
|
|
|
|
|
ObjectMeta: api.ObjectMeta{
|
|
|
|
|
Name: podName,
|
|
|
|
|
Namespace: namespace,
|
|
|
|
|
},
|
|
|
|
|
Spec: api.PodSpec{
|
|
|
|
|
// Force the Pod to schedule to the node without a scheduler running
|
|
|
|
|
NodeName: *nodeName,
|
|
|
|
|
// Don't restart the Pod since it is expected to exit
|
|
|
|
|
RestartPolicy: api.RestartPolicyNever,
|
|
|
|
|
Containers: []api.Container{
|
|
|
|
|
{
|
|
|
|
|
Image: "gcr.io/google_containers/busybox",
|
|
|
|
|
Name: podName,
|
|
|
|
|
Command: []string{"sh", "-c", "echo 'Hello World' ; sleep 240"},
|
|
|
|
|
},
|
|
|
|
|
var _ = framework.KubeDescribe("Kubelet", func() {
|
|
|
|
|
Context("when scheduling a busybox command in a pod", func() {
|
|
|
|
|
// Setup the framework
|
|
|
|
|
f := NewDefaultFramework("pod-scheduling")
|
|
|
|
|
podName := "busybox-scheduling-" + string(util.NewUUID())
|
|
|
|
|
It("it should print the output to logs", func() {
|
|
|
|
|
podClient := f.Client.Pods(f.Namespace.Name)
|
|
|
|
|
pod := &api.Pod{
|
|
|
|
|
ObjectMeta: api.ObjectMeta{
|
|
|
|
|
Name: podName,
|
|
|
|
|
},
|
|
|
|
|
Spec: api.PodSpec{
|
|
|
|
|
// Force the Pod to schedule to the node without a scheduler running
|
|
|
|
|
NodeName: *nodeName,
|
|
|
|
|
// Don't restart the Pod since it is expected to exit
|
|
|
|
|
RestartPolicy: api.RestartPolicyNever,
|
|
|
|
|
Containers: []api.Container{
|
|
|
|
|
{
|
|
|
|
|
Image: "gcr.io/google_containers/busybox",
|
|
|
|
|
Name: podName,
|
|
|
|
|
Command: []string{"sh", "-c", "echo 'Hello World' ; sleep 240"},
|
|
|
|
|
},
|
|
|
|
|
},
|
|
|
|
|
}
|
|
|
|
|
_, err := cl.Pods(namespace).Create(pod)
|
|
|
|
|
Expect(err).To(BeNil(), fmt.Sprintf("Error creating Pod %v", err))
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
It("it should print the output to logs", func() {
|
|
|
|
|
Eventually(func() string {
|
|
|
|
|
sinceTime := unversioned.NewTime(time.Now().Add(time.Duration(-1 * time.Hour)))
|
|
|
|
|
rc, err := cl.Pods(namespace).GetLogs(podName, &api.PodLogOptions{SinceTime: &sinceTime}).Stream()
|
|
|
|
|
if err != nil {
|
|
|
|
|
return ""
|
|
|
|
|
}
|
|
|
|
|
defer rc.Close()
|
|
|
|
|
buf := new(bytes.Buffer)
|
|
|
|
|
buf.ReadFrom(rc)
|
|
|
|
|
return buf.String()
|
|
|
|
|
}, time.Minute, time.Second*4).Should(Equal("Hello World\n"))
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
It("it should be possible to delete", func() {
|
|
|
|
|
err := cl.Pods(namespace).Delete(podName, &api.DeleteOptions{})
|
|
|
|
|
Expect(err).To(BeNil(), fmt.Sprintf("Error deleting Pod %v", err))
|
|
|
|
|
})
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
Context("when scheduling a read only busybox container", func() {
|
|
|
|
|
podName := "busybox-readonly-fs"
|
|
|
|
|
It("it should return success", func() {
|
|
|
|
|
isReadOnly := true
|
|
|
|
|
pod := &api.Pod{
|
|
|
|
|
ObjectMeta: api.ObjectMeta{
|
|
|
|
|
Name: podName,
|
|
|
|
|
Namespace: namespace,
|
|
|
|
|
},
|
|
|
|
|
Spec: api.PodSpec{
|
|
|
|
|
// Force the Pod to schedule to the node without a scheduler running
|
|
|
|
|
NodeName: *nodeName,
|
|
|
|
|
// Don't restart the Pod since it is expected to exit
|
|
|
|
|
RestartPolicy: api.RestartPolicyNever,
|
|
|
|
|
Containers: []api.Container{
|
|
|
|
|
{
|
|
|
|
|
Image: "gcr.io/google_containers/busybox",
|
|
|
|
|
Name: podName,
|
|
|
|
|
Command: []string{"sh", "-c", "echo test > /file; sleep 240"},
|
|
|
|
|
SecurityContext: &api.SecurityContext{
|
|
|
|
|
ReadOnlyRootFilesystem: &isReadOnly,
|
|
|
|
|
},
|
|
|
|
|
},
|
|
|
|
|
},
|
|
|
|
|
},
|
|
|
|
|
}
|
|
|
|
|
_, err := cl.Pods(namespace).Create(pod)
|
|
|
|
|
Expect(err).To(BeNil(), fmt.Sprintf("Error creating Pod %v", err))
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
It("it should not write to the root filesystem", func() {
|
|
|
|
|
Eventually(func() string {
|
|
|
|
|
rc, err := cl.Pods(namespace).GetLogs(podName, &api.PodLogOptions{}).Stream()
|
|
|
|
|
if err != nil {
|
|
|
|
|
return ""
|
|
|
|
|
}
|
|
|
|
|
defer rc.Close()
|
|
|
|
|
buf := new(bytes.Buffer)
|
|
|
|
|
buf.ReadFrom(rc)
|
|
|
|
|
return buf.String()
|
|
|
|
|
}, time.Minute, time.Second*4).Should(Equal("sh: can't create /file: Read-only file system\n"))
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
It("it should be possible to delete", func() {
|
|
|
|
|
err := cl.Pods(namespace).Delete(podName, &api.DeleteOptions{})
|
|
|
|
|
Expect(err).To(BeNil(), fmt.Sprintf("Error creating Pod %v", err))
|
|
|
|
|
})
|
|
|
|
|
})
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
Describe("metrics api", func() {
|
|
|
|
|
namespace := "kubelet-metrics-api"
|
|
|
|
|
statsPrefix := "stats-busybox-"
|
|
|
|
|
podNames := []string{}
|
|
|
|
|
podCount := 2
|
|
|
|
|
for i := 0; i < podCount; i++ {
|
|
|
|
|
podNames = append(podNames, fmt.Sprintf("%s%v", statsPrefix, i))
|
|
|
|
|
}
|
|
|
|
|
BeforeEach(func() {
|
|
|
|
|
for _, podName := range podNames {
|
|
|
|
|
createPod(cl, podName, namespace, []api.Container{
|
|
|
|
|
{
|
|
|
|
|
Image: "gcr.io/google_containers/busybox",
|
|
|
|
|
Command: []string{"sh", "-c", "while true; do echo 'hello world' | tee ~/file | tee /test-empty-dir-mnt ; sleep 1; done"},
|
|
|
|
|
Name: podName + containerSuffix,
|
|
|
|
|
VolumeMounts: []api.VolumeMount{
|
|
|
|
|
{MountPath: "/test-empty-dir-mnt", Name: "test-empty-dir"},
|
|
|
|
|
},
|
|
|
|
|
},
|
|
|
|
|
}, []api.Volume{
|
|
|
|
|
// TODO: Test secret volumes
|
|
|
|
|
// TODO: Test hostpath volumes
|
|
|
|
|
{Name: "test-empty-dir", VolumeSource: api.VolumeSource{EmptyDir: &api.EmptyDirVolumeSource{}}},
|
|
|
|
|
})
|
|
|
|
|
},
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Sleep long enough for cadvisor to see the pod and calculate all of its metrics
|
|
|
|
|
// TODO: Get this to work with polling / eventually
|
|
|
|
|
time.Sleep(time.Minute * 2)
|
|
|
|
|
defer podClient.Delete(pod.Name, nil)
|
|
|
|
|
_, err := podClient.Create(pod)
|
|
|
|
|
Expect(err).To(BeNil(), fmt.Sprintf("Error creating Pod %v", err))
|
|
|
|
|
framework.ExpectNoError(f.WaitForPodRunning(pod.Name))
|
|
|
|
|
Eventually(func() string {
|
|
|
|
|
sinceTime := apiUnversioned.NewTime(time.Now().Add(time.Duration(-1 * time.Hour)))
|
|
|
|
|
rc, err := podClient.GetLogs(podName, &api.PodLogOptions{SinceTime: &sinceTime}).Stream()
|
|
|
|
|
if err != nil {
|
|
|
|
|
return ""
|
|
|
|
|
}
|
|
|
|
|
defer rc.Close()
|
|
|
|
|
buf := new(bytes.Buffer)
|
|
|
|
|
buf.ReadFrom(rc)
|
|
|
|
|
return buf.String()
|
|
|
|
|
}, time.Minute, time.Second*4).Should(Equal("Hello World\n"))
|
|
|
|
|
})
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
Context("when scheduling a read only busybox container", func() {
|
|
|
|
|
f := NewDefaultFramework("pod-scheduling")
|
|
|
|
|
podName := "busybox-readonly-fs" + string(util.NewUUID())
|
|
|
|
|
It("it should not write to root filesystem", func() {
|
|
|
|
|
podClient := f.Client.Pods(f.Namespace.Name)
|
|
|
|
|
isReadOnly := true
|
|
|
|
|
pod := &api.Pod{
|
|
|
|
|
ObjectMeta: api.ObjectMeta{
|
|
|
|
|
Name: podName,
|
|
|
|
|
},
|
|
|
|
|
Spec: api.PodSpec{
|
|
|
|
|
// Force the Pod to schedule to the node without a scheduler running
|
|
|
|
|
NodeName: *nodeName,
|
|
|
|
|
// Don't restart the Pod since it is expected to exit
|
|
|
|
|
RestartPolicy: api.RestartPolicyNever,
|
|
|
|
|
Containers: []api.Container{
|
|
|
|
|
{
|
|
|
|
|
Image: "gcr.io/google_containers/busybox",
|
|
|
|
|
Name: podName,
|
|
|
|
|
Command: []string{"sh", "-c", "echo test > /file; sleep 240"},
|
|
|
|
|
SecurityContext: &api.SecurityContext{
|
|
|
|
|
ReadOnlyRootFilesystem: &isReadOnly,
|
|
|
|
|
},
|
|
|
|
|
},
|
|
|
|
|
},
|
|
|
|
|
},
|
|
|
|
|
}
|
|
|
|
|
defer podClient.Delete(pod.Name, nil)
|
|
|
|
|
_, err := podClient.Create(pod)
|
|
|
|
|
Expect(err).To(BeNil(), fmt.Sprintf("Error creating Pod %v", err))
|
|
|
|
|
Eventually(func() string {
|
|
|
|
|
rc, err := podClient.GetLogs(podName, &api.PodLogOptions{}).Stream()
|
|
|
|
|
if err != nil {
|
|
|
|
|
return ""
|
|
|
|
|
}
|
|
|
|
|
defer rc.Close()
|
|
|
|
|
buf := new(bytes.Buffer)
|
|
|
|
|
buf.ReadFrom(rc)
|
|
|
|
|
return buf.String()
|
|
|
|
|
}, time.Minute, time.Second*4).Should(Equal("sh: can't create /file: Read-only file system\n"))
|
|
|
|
|
})
|
|
|
|
|
})
|
|
|
|
|
Describe("metrics api", func() {
|
|
|
|
|
// Setup the framework
|
|
|
|
|
f := NewDefaultFramework("kubelet-metrics-api")
|
|
|
|
|
Context("when querying /stats/summary", func() {
|
|
|
|
|
It("it should report resource usage through the stats api", func() {
|
|
|
|
|
podNamePrefix := "stats-busybox-" + string(util.NewUUID())
|
|
|
|
|
volumeNamePrefix := "test-empty-dir"
|
|
|
|
|
podNames, volumes := createSummaryTestPods(f, podNamePrefix, 2, volumeNamePrefix)
|
|
|
|
|
By("Returning stats summary")
|
|
|
|
|
resp, err := http.Get(*kubeletAddress + "/stats/summary")
|
|
|
|
|
Expect(err).To(BeNil(), fmt.Sprintf("Failed to get /stats/summary"))
|
|
|
|
|
summary := stats.Summary{}
|
|
|
|
|
contentsBytes, err := ioutil.ReadAll(resp.Body)
|
|
|
|
|
Expect(err).To(BeNil(), fmt.Sprintf("Failed to read /stats/summary: %+v", resp))
|
|
|
|
|
contents := string(contentsBytes)
|
|
|
|
|
decoder := json.NewDecoder(strings.NewReader(contents))
|
|
|
|
|
err = decoder.Decode(&summary)
|
|
|
|
|
Expect(err).To(BeNil(), fmt.Sprintf("Failed to parse /stats/summary to go struct: %+v", resp))
|
|
|
|
|
|
|
|
|
|
By("Having resources for node")
|
|
|
|
|
Expect(summary.Node.NodeName).To(Equal(*nodeName))
|
|
|
|
|
Expect(summary.Node.CPU.UsageCoreNanoSeconds).NotTo(BeNil())
|
|
|
|
|
Expect(*summary.Node.CPU.UsageCoreNanoSeconds).NotTo(BeZero())
|
|
|
|
|
|
|
|
|
|
Expect(summary.Node.Memory.UsageBytes).NotTo(BeNil())
|
|
|
|
|
Expect(*summary.Node.Memory.UsageBytes).NotTo(BeZero())
|
|
|
|
|
|
|
|
|
|
Expect(summary.Node.Memory.WorkingSetBytes).NotTo(BeNil())
|
|
|
|
|
Expect(*summary.Node.Memory.WorkingSetBytes).NotTo(BeZero())
|
|
|
|
|
|
|
|
|
|
Expect(summary.Node.Fs.AvailableBytes).NotTo(BeNil())
|
|
|
|
|
Expect(*summary.Node.Fs.AvailableBytes).NotTo(BeZero())
|
|
|
|
|
Expect(summary.Node.Fs.CapacityBytes).NotTo(BeNil())
|
|
|
|
|
Expect(*summary.Node.Fs.CapacityBytes).NotTo(BeZero())
|
|
|
|
|
Expect(summary.Node.Fs.UsedBytes).NotTo(BeNil())
|
|
|
|
|
Expect(*summary.Node.Fs.UsedBytes).NotTo(BeZero())
|
|
|
|
|
|
|
|
|
|
By("Having container runtime's image storage information")
|
|
|
|
|
Expect(summary.Node.Runtime).NotTo(BeNil())
|
|
|
|
|
Expect(summary.Node.Runtime.ImageFs).NotTo(BeNil())
|
|
|
|
|
Expect(summary.Node.Runtime.ImageFs.AvailableBytes).NotTo(BeNil())
|
|
|
|
|
Expect(*summary.Node.Runtime.ImageFs.AvailableBytes).NotTo(BeZero())
|
|
|
|
|
Expect(summary.Node.Runtime.ImageFs.CapacityBytes).NotTo(BeNil())
|
|
|
|
|
Expect(*summary.Node.Runtime.ImageFs.CapacityBytes).NotTo(BeZero())
|
|
|
|
|
Expect(summary.Node.Runtime.ImageFs.UsedBytes).NotTo(BeNil())
|
|
|
|
|
Expect(*summary.Node.Runtime.ImageFs.UsedBytes).NotTo(BeZero())
|
|
|
|
|
|
|
|
|
|
By("Having resources for kubelet and runtime system containers")
|
|
|
|
|
sysContainers := map[string]stats.ContainerStats{}
|
|
|
|
|
sysContainersList := []string{}
|
|
|
|
|
for _, container := range summary.Node.SystemContainers {
|
|
|
|
|
sysContainers[container.Name] = container
|
|
|
|
|
sysContainersList = append(sysContainersList, container.Name)
|
|
|
|
|
ExpectContainerStatsNotEmpty(&container)
|
|
|
|
|
}
|
|
|
|
|
Expect(sysContainersList).To(ContainElement("kubelet"))
|
|
|
|
|
Expect(sysContainersList).To(ContainElement("runtime"))
|
|
|
|
|
|
|
|
|
|
// Verify Pods Stats are present
|
|
|
|
|
podsList := []string{}
|
|
|
|
|
By("Having resources for pods")
|
|
|
|
|
for _, pod := range summary.Pods {
|
|
|
|
|
if !strings.HasPrefix(pod.PodRef.Name, statsPrefix) {
|
|
|
|
|
// Ignore pods created outside this test
|
|
|
|
|
continue
|
|
|
|
|
Eventually(func() error {
|
|
|
|
|
resp, err := http.Get(*kubeletAddress + "/stats/summary")
|
|
|
|
|
if err != nil {
|
|
|
|
|
return fmt.Errorf("Failed to get /stats/summary - %v", err)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
podsList = append(podsList, pod.PodRef.Name)
|
|
|
|
|
|
|
|
|
|
Expect(pod.Containers).To(HaveLen(1))
|
|
|
|
|
container := pod.Containers[0]
|
|
|
|
|
Expect(container.Name).To(Equal(pod.PodRef.Name + containerSuffix))
|
|
|
|
|
|
|
|
|
|
ExpectContainerStatsNotEmpty(&container)
|
|
|
|
|
|
|
|
|
|
// emptydir volume
|
|
|
|
|
volumeNames := []string{}
|
|
|
|
|
for _, vs := range pod.VolumeStats {
|
|
|
|
|
Expect(vs.CapacityBytes).NotTo(BeZero())
|
|
|
|
|
Expect(vs.AvailableBytes).NotTo(BeZero())
|
|
|
|
|
Expect(vs.UsedBytes).NotTo(BeZero())
|
|
|
|
|
volumeNames = append(volumeNames, vs.Name)
|
|
|
|
|
contentsBytes, err := ioutil.ReadAll(resp.Body)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return fmt.Errorf("Failed to read /stats/summary - %+v", resp)
|
|
|
|
|
}
|
|
|
|
|
Expect(volumeNames).To(ConsistOf("test-empty-dir"))
|
|
|
|
|
|
|
|
|
|
// fs usage (not for system containers)
|
|
|
|
|
Expect(container.Rootfs).NotTo(BeNil(), spew.Sdump(container))
|
|
|
|
|
Expect(container.Rootfs.AvailableBytes).NotTo(BeNil(), spew.Sdump(container))
|
|
|
|
|
Expect(*container.Rootfs.AvailableBytes).NotTo(BeZero(), spew.Sdump(container))
|
|
|
|
|
Expect(container.Rootfs.CapacityBytes).NotTo(BeNil(), spew.Sdump(container))
|
|
|
|
|
Expect(*container.Rootfs.CapacityBytes).NotTo(BeZero(), spew.Sdump(container))
|
|
|
|
|
Expect(container.Rootfs.UsedBytes).NotTo(BeNil(), spew.Sdump(container))
|
|
|
|
|
Expect(*container.Rootfs.UsedBytes).NotTo(BeZero(), spew.Sdump(container))
|
|
|
|
|
Expect(container.Logs).NotTo(BeNil(), spew.Sdump(container))
|
|
|
|
|
Expect(container.Logs.AvailableBytes).NotTo(BeNil(), spew.Sdump(container))
|
|
|
|
|
Expect(*container.Logs.AvailableBytes).NotTo(BeZero(), spew.Sdump(container))
|
|
|
|
|
Expect(container.Logs.CapacityBytes).NotTo(BeNil(), spew.Sdump(container))
|
|
|
|
|
Expect(*container.Logs.CapacityBytes).NotTo(BeZero(), spew.Sdump(container))
|
|
|
|
|
Expect(container.Logs.UsedBytes).NotTo(BeNil(), spew.Sdump(container))
|
|
|
|
|
Expect(*container.Logs.UsedBytes).NotTo(BeZero(), spew.Sdump(container))
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
Expect(podsList).To(ConsistOf(podNames), spew.Sdump(summary))
|
|
|
|
|
contents := string(contentsBytes)
|
|
|
|
|
decoder := json.NewDecoder(strings.NewReader(contents))
|
|
|
|
|
err = decoder.Decode(&summary)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return fmt.Errorf("Failed to parse /stats/summary to go struct: %+v", resp)
|
|
|
|
|
}
|
|
|
|
|
missingPods := podsMissingFromSummary(summary, podNames)
|
|
|
|
|
if missingPods.Len() != 0 {
|
|
|
|
|
return fmt.Errorf("expected pods not found. Following pods are missing - %v", missingPods)
|
|
|
|
|
}
|
|
|
|
|
missingVolumes := volumesMissingFromSummary(summary, volumes)
|
|
|
|
|
if missingVolumes.Len() != 0 {
|
|
|
|
|
return fmt.Errorf("expected volumes not found. Following volumes are missing - %v", missingVolumes)
|
|
|
|
|
}
|
|
|
|
|
if err := testSummaryMetrics(summary, podNamePrefix); err != nil {
|
|
|
|
|
return err
|
|
|
|
|
}
|
|
|
|
|
return nil
|
|
|
|
|
}, 5*time.Minute, time.Second*4).Should(BeNil())
|
|
|
|
|
})
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
AfterEach(func() {
|
|
|
|
|
for _, podName := range podNames {
|
|
|
|
|
err := cl.Pods(namespace).Delete(podName, &api.DeleteOptions{})
|
|
|
|
|
Expect(err).To(BeNil(), fmt.Sprintf("Error deleting Pod %v", podName))
|
|
|
|
|
}
|
|
|
|
|
})
|
|
|
|
|
})
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
func ExpectContainerStatsNotEmpty(container *stats.ContainerStats) {
|
|
|
|
|
// TODO: Test Network
|
|
|
|
|
|
|
|
|
|
Expect(container.CPU).NotTo(BeNil(), spew.Sdump(container))
|
|
|
|
|
Expect(container.CPU.UsageCoreNanoSeconds).NotTo(BeNil(), spew.Sdump(container))
|
|
|
|
|
Expect(*container.CPU.UsageCoreNanoSeconds).NotTo(BeZero(), spew.Sdump(container))
|
|
|
|
|
|
|
|
|
|
Expect(container.Memory).NotTo(BeNil(), spew.Sdump(container))
|
|
|
|
|
Expect(container.Memory.UsageBytes).NotTo(BeNil(), spew.Sdump(container))
|
|
|
|
|
Expect(*container.Memory.UsageBytes).NotTo(BeZero(), spew.Sdump(container))
|
|
|
|
|
Expect(container.Memory.WorkingSetBytes).NotTo(BeNil(), spew.Sdump(container))
|
|
|
|
|
Expect(*container.Memory.WorkingSetBytes).NotTo(BeZero(), spew.Sdump(container))
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
const (
|
|
|
|
|
containerSuffix = "-c"
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
func createPod(cl *client.Client, podName string, namespace string, containers []api.Container, volumes []api.Volume) {
|
|
|
|
|
func createSummaryTestPods(f *framework.Framework, podNamePrefix string, count int, volumeNamePrefix string) (sets.String, sets.String) {
|
|
|
|
|
podNames := sets.NewString()
|
|
|
|
|
volumes := sets.NewString(volumeNamePrefix)
|
|
|
|
|
for i := 0; i < count; i++ {
|
|
|
|
|
podNames.Insert(fmt.Sprintf("%s%v", podNamePrefix, i))
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
for _, podName := range podNames.List() {
|
|
|
|
|
createPod(f, podName, []api.Container{
|
|
|
|
|
{
|
|
|
|
|
Image: "gcr.io/google_containers/busybox",
|
|
|
|
|
Command: []string{"sh", "-c", "while true; do echo 'hello world' | tee ~/file | tee /test-empty-dir-mnt ; sleep 1; done"},
|
|
|
|
|
Name: podName + containerSuffix,
|
|
|
|
|
VolumeMounts: []api.VolumeMount{
|
|
|
|
|
{MountPath: "/test-empty-dir-mnt", Name: volumeNamePrefix},
|
|
|
|
|
},
|
|
|
|
|
},
|
|
|
|
|
}, []api.Volume{
|
|
|
|
|
// TODO: Test secret volumes
|
|
|
|
|
// TODO: Test hostpath volumes
|
|
|
|
|
{Name: volumeNamePrefix, VolumeSource: api.VolumeSource{EmptyDir: &api.EmptyDirVolumeSource{}}},
|
|
|
|
|
})
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return podNames, volumes
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func createPod(f *framework.Framework, podName string, containers []api.Container, volumes []api.Volume) {
|
|
|
|
|
podClient := f.Client.Pods(f.Namespace.Name)
|
|
|
|
|
pod := &api.Pod{
|
|
|
|
|
ObjectMeta: api.ObjectMeta{
|
|
|
|
|
Name: podName,
|
|
|
|
|
Namespace: namespace,
|
|
|
|
|
Name: podName,
|
|
|
|
|
},
|
|
|
|
|
Spec: api.PodSpec{
|
|
|
|
|
// Force the Pod to schedule to the node without a scheduler running
|
|
|
|
|
@@ -314,6 +211,238 @@ func createPod(cl *client.Client, podName string, namespace string, containers [
|
|
|
|
|
Volumes: volumes,
|
|
|
|
|
},
|
|
|
|
|
}
|
|
|
|
|
_, err := cl.Pods(namespace).Create(pod)
|
|
|
|
|
_, err := podClient.Create(pod)
|
|
|
|
|
Expect(err).To(BeNil(), fmt.Sprintf("Error creating Pod %v", err))
|
|
|
|
|
framework.ExpectNoError(f.WaitForPodRunning(pod.Name))
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Returns pods missing from summary.
|
|
|
|
|
func podsMissingFromSummary(s stats.Summary, expectedPods sets.String) sets.String {
|
|
|
|
|
expectedPods = sets.StringKeySet(expectedPods)
|
|
|
|
|
for _, pod := range s.Pods {
|
|
|
|
|
if expectedPods.Has(pod.PodRef.Name) {
|
|
|
|
|
expectedPods.Delete(pod.PodRef.Name)
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return expectedPods
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Returns volumes missing from summary.
|
|
|
|
|
func volumesMissingFromSummary(s stats.Summary, expectedVolumes sets.String) sets.String {
|
|
|
|
|
for _, pod := range s.Pods {
|
|
|
|
|
expectedPodVolumes := sets.StringKeySet(expectedVolumes)
|
|
|
|
|
for _, vs := range pod.VolumeStats {
|
|
|
|
|
if expectedPodVolumes.Has(vs.Name) {
|
|
|
|
|
expectedPodVolumes.Delete(vs.Name)
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if expectedPodVolumes.Len() != 0 {
|
|
|
|
|
return expectedPodVolumes
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return sets.NewString()
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func testSummaryMetrics(s stats.Summary, podNamePrefix string) error {
|
|
|
|
|
const (
|
|
|
|
|
nonNilValue = "expected %q to not be nil"
|
|
|
|
|
nonZeroValue = "expected %q to not be zero"
|
|
|
|
|
)
|
|
|
|
|
if s.Node.NodeName != *nodeName {
|
|
|
|
|
return fmt.Errorf("unexpected node name - %q", s.Node.NodeName)
|
|
|
|
|
}
|
|
|
|
|
if s.Node.CPU.UsageCoreNanoSeconds == nil {
|
|
|
|
|
return fmt.Errorf(nonNilValue, "cpu instantaneous")
|
|
|
|
|
}
|
|
|
|
|
if *s.Node.CPU.UsageCoreNanoSeconds == 0 {
|
|
|
|
|
return fmt.Errorf(nonZeroValue, "cpu instantaneous")
|
|
|
|
|
}
|
|
|
|
|
if s.Node.Memory.UsageBytes == nil {
|
|
|
|
|
return fmt.Errorf(nonNilValue, "memory")
|
|
|
|
|
}
|
|
|
|
|
if *s.Node.Memory.UsageBytes == 0 {
|
|
|
|
|
return fmt.Errorf(nonZeroValue, "memory")
|
|
|
|
|
}
|
|
|
|
|
if s.Node.Memory.WorkingSetBytes == nil {
|
|
|
|
|
return fmt.Errorf(nonNilValue, "memory working set")
|
|
|
|
|
}
|
|
|
|
|
if *s.Node.Memory.WorkingSetBytes == 0 {
|
|
|
|
|
return fmt.Errorf(nonZeroValue, "memory working set")
|
|
|
|
|
}
|
|
|
|
|
if s.Node.Fs.AvailableBytes == nil {
|
|
|
|
|
return fmt.Errorf(nonNilValue, "memory working set")
|
|
|
|
|
}
|
|
|
|
|
if *s.Node.Fs.AvailableBytes == 0 {
|
|
|
|
|
return fmt.Errorf(nonZeroValue, "node Fs available")
|
|
|
|
|
}
|
|
|
|
|
if s.Node.Fs.CapacityBytes == nil {
|
|
|
|
|
return fmt.Errorf(nonNilValue, "node fs capacity")
|
|
|
|
|
}
|
|
|
|
|
if *s.Node.Fs.CapacityBytes == 0 {
|
|
|
|
|
return fmt.Errorf(nonZeroValue, "node fs capacity")
|
|
|
|
|
}
|
|
|
|
|
if s.Node.Fs.UsedBytes == nil {
|
|
|
|
|
return fmt.Errorf(nonNilValue, "node fs used")
|
|
|
|
|
}
|
|
|
|
|
if *s.Node.Fs.UsedBytes == 0 {
|
|
|
|
|
return fmt.Errorf(nonZeroValue, "node fs used")
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if s.Node.Runtime == nil {
|
|
|
|
|
return fmt.Errorf(nonNilValue, "node runtime")
|
|
|
|
|
}
|
|
|
|
|
if s.Node.Runtime.ImageFs == nil {
|
|
|
|
|
return fmt.Errorf(nonNilValue, "runtime image Fs")
|
|
|
|
|
}
|
|
|
|
|
if s.Node.Runtime.ImageFs.AvailableBytes == nil {
|
|
|
|
|
return fmt.Errorf(nonNilValue, "runtime image Fs available")
|
|
|
|
|
}
|
|
|
|
|
if *s.Node.Runtime.ImageFs.AvailableBytes == 0 {
|
|
|
|
|
return fmt.Errorf(nonZeroValue, "runtime image Fs available")
|
|
|
|
|
}
|
|
|
|
|
if s.Node.Runtime.ImageFs.CapacityBytes == nil {
|
|
|
|
|
return fmt.Errorf(nonNilValue, "runtime image Fs capacity")
|
|
|
|
|
}
|
|
|
|
|
if *s.Node.Runtime.ImageFs.CapacityBytes == 0 {
|
|
|
|
|
return fmt.Errorf(nonZeroValue, "runtime image Fs capacity")
|
|
|
|
|
}
|
|
|
|
|
if s.Node.Runtime.ImageFs.UsedBytes == nil {
|
|
|
|
|
return fmt.Errorf(nonNilValue, "runtime image Fs usage")
|
|
|
|
|
}
|
|
|
|
|
if *s.Node.Runtime.ImageFs.UsedBytes == 0 {
|
|
|
|
|
return fmt.Errorf(nonZeroValue, "runtime image Fs usage")
|
|
|
|
|
}
|
|
|
|
|
sysContainers := map[string]stats.ContainerStats{}
|
|
|
|
|
for _, container := range s.Node.SystemContainers {
|
|
|
|
|
sysContainers[container.Name] = container
|
|
|
|
|
if err := expectContainerStatsNotEmpty(&container); err != nil {
|
|
|
|
|
return err
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if _, exists := sysContainers["kubelet"]; !exists {
|
|
|
|
|
return fmt.Errorf("expected metrics for kubelet")
|
|
|
|
|
}
|
|
|
|
|
if _, exists := sysContainers["runtime"]; !exists {
|
|
|
|
|
return fmt.Errorf("expected metrics for runtime")
|
|
|
|
|
}
|
|
|
|
|
// Verify Pods Stats are present
|
|
|
|
|
podsList := []string{}
|
|
|
|
|
By("Having resources for pods")
|
|
|
|
|
for _, pod := range s.Pods {
|
|
|
|
|
if !strings.HasPrefix(pod.PodRef.Name, podNamePrefix) {
|
|
|
|
|
// Ignore pods created outside this test
|
|
|
|
|
continue
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
podsList = append(podsList, pod.PodRef.Name)
|
|
|
|
|
|
|
|
|
|
if len(pod.Containers) != 1 {
|
|
|
|
|
return fmt.Errorf("expected only one container")
|
|
|
|
|
}
|
|
|
|
|
container := pod.Containers[0]
|
|
|
|
|
|
|
|
|
|
if container.Name != (pod.PodRef.Name + containerSuffix) {
|
|
|
|
|
return fmt.Errorf("unexpected container name - %q", container.Name)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if err := expectContainerStatsNotEmpty(&container); err != nil {
|
|
|
|
|
return err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// emptydir volume
|
|
|
|
|
foundExpectedVolume := false
|
|
|
|
|
for _, vs := range pod.VolumeStats {
|
|
|
|
|
if *vs.CapacityBytes == 0 {
|
|
|
|
|
return fmt.Errorf(nonZeroValue, "volume capacity")
|
|
|
|
|
}
|
|
|
|
|
if *vs.AvailableBytes == 0 {
|
|
|
|
|
return fmt.Errorf(nonZeroValue, "volume available")
|
|
|
|
|
}
|
|
|
|
|
if *vs.UsedBytes == 0 {
|
|
|
|
|
return fmt.Errorf(nonZeroValue, "volume used")
|
|
|
|
|
}
|
|
|
|
|
if vs.Name == "test-empty-dir" {
|
|
|
|
|
foundExpectedVolume = true
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if !foundExpectedVolume {
|
|
|
|
|
return fmt.Errorf("expected 'test-empty-dir' volume")
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// fs usage (not for system containers)
|
|
|
|
|
if container.Rootfs == nil {
|
|
|
|
|
return fmt.Errorf(nonNilValue+" - "+spew.Sdump(container), "container root fs")
|
|
|
|
|
}
|
|
|
|
|
if container.Rootfs.AvailableBytes == nil {
|
|
|
|
|
return fmt.Errorf(nonNilValue+" - "+spew.Sdump(container), "container root fs available")
|
|
|
|
|
}
|
|
|
|
|
if *container.Rootfs.AvailableBytes == 0 {
|
|
|
|
|
return fmt.Errorf(nonZeroValue+" - "+spew.Sdump(container), "container root fs available")
|
|
|
|
|
}
|
|
|
|
|
if container.Rootfs.CapacityBytes == nil {
|
|
|
|
|
return fmt.Errorf(nonNilValue+" - "+spew.Sdump(container), "container root fs capacity")
|
|
|
|
|
}
|
|
|
|
|
if *container.Rootfs.CapacityBytes == 0 {
|
|
|
|
|
return fmt.Errorf(nonZeroValue+" - "+spew.Sdump(container), "container root fs capacity")
|
|
|
|
|
}
|
|
|
|
|
if container.Rootfs.UsedBytes == nil {
|
|
|
|
|
return fmt.Errorf(nonNilValue+" - "+spew.Sdump(container), "container root fs usage")
|
|
|
|
|
}
|
|
|
|
|
if *container.Rootfs.UsedBytes == 0 {
|
|
|
|
|
return fmt.Errorf(nonZeroValue+" - "+spew.Sdump(container), "container root fs usage")
|
|
|
|
|
}
|
|
|
|
|
if container.Logs == nil {
|
|
|
|
|
return fmt.Errorf(nonNilValue+" - "+spew.Sdump(container), "container logs")
|
|
|
|
|
}
|
|
|
|
|
if container.Logs.AvailableBytes == nil {
|
|
|
|
|
return fmt.Errorf(nonNilValue+" - "+spew.Sdump(container), "container logs available")
|
|
|
|
|
}
|
|
|
|
|
if *container.Logs.AvailableBytes == 0 {
|
|
|
|
|
return fmt.Errorf(nonZeroValue+" - "+spew.Sdump(container), "container logs available")
|
|
|
|
|
}
|
|
|
|
|
if container.Logs.CapacityBytes == nil {
|
|
|
|
|
return fmt.Errorf(nonNilValue+" - "+spew.Sdump(container), "container logs capacity")
|
|
|
|
|
}
|
|
|
|
|
if *container.Logs.CapacityBytes == 0 {
|
|
|
|
|
return fmt.Errorf(nonZeroValue+" - "+spew.Sdump(container), "container logs capacity")
|
|
|
|
|
}
|
|
|
|
|
if container.Logs.UsedBytes == nil {
|
|
|
|
|
return fmt.Errorf(nonNilValue+" - "+spew.Sdump(container), "container logs usage")
|
|
|
|
|
}
|
|
|
|
|
if *container.Logs.UsedBytes == 0 {
|
|
|
|
|
return fmt.Errorf(nonZeroValue+" - "+spew.Sdump(container), "container logs usage")
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func expectContainerStatsNotEmpty(container *stats.ContainerStats) error {
|
|
|
|
|
// TODO: Test Network
|
|
|
|
|
|
|
|
|
|
if container.CPU == nil {
|
|
|
|
|
return fmt.Errorf("expected container cpu to be not nil - %q", spew.Sdump(container))
|
|
|
|
|
}
|
|
|
|
|
if container.CPU.UsageCoreNanoSeconds == nil {
|
|
|
|
|
return fmt.Errorf("expected container cpu instantaneous usage to be not nil - %q", spew.Sdump(container))
|
|
|
|
|
}
|
|
|
|
|
if *container.CPU.UsageCoreNanoSeconds == 0 {
|
|
|
|
|
return fmt.Errorf("expected container cpu instantaneous usage to be non zero - %q", spew.Sdump(container))
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if container.Memory == nil {
|
|
|
|
|
return fmt.Errorf("expected container memory to be not nil - %q", spew.Sdump(container))
|
|
|
|
|
}
|
|
|
|
|
if container.Memory.UsageBytes == nil {
|
|
|
|
|
return fmt.Errorf("expected container memory usage to be not nil - %q", spew.Sdump(container))
|
|
|
|
|
}
|
|
|
|
|
if *container.Memory.UsageBytes == 0 {
|
|
|
|
|
return fmt.Errorf("expected container memory usage to be non zero - %q", spew.Sdump(container))
|
|
|
|
|
}
|
|
|
|
|
if container.Memory.WorkingSetBytes == nil {
|
|
|
|
|
return fmt.Errorf("expected container memory working set to be not nil - %q", spew.Sdump(container))
|
|
|
|
|
}
|
|
|
|
|
if *container.Memory.WorkingSetBytes == 0 {
|
|
|
|
|
return fmt.Errorf("expected container memory working set to be non zero - %q", spew.Sdump(container))
|
|
|
|
|
}
|
|
|
|
|
return nil
|
|
|
|
|
}
|
|
|
|
|
|
Vishnu kannan