mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-18 19:10:21 +00:00
252 lines
8.3 KiB
Go
252 lines
8.3 KiB
Go
/*
|
||
Copyright 2016 The Kubernetes Authors.
|
||
|
||
Licensed under the Apache License, Version 2.0 (the "License");
|
||
you may not use this file except in compliance with the License.
|
||
You may obtain a copy of the License at
|
||
|
||
http://www.apache.org/licenses/LICENSE-2.0
|
||
|
||
Unless required by applicable law or agreed to in writing, software
|
||
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
|
||
limitations under the License.
|
||
*/
|
||
|
||
package node
|
||
|
||
import (
|
||
"crypto/tls"
|
||
"fmt"
|
||
"net/http"
|
||
"regexp"
|
||
"strconv"
|
||
"time"
|
||
|
||
"k8s.io/api/core/v1"
|
||
"k8s.io/apimachinery/pkg/api/resource"
|
||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||
"k8s.io/apimachinery/pkg/labels"
|
||
"k8s.io/apimachinery/pkg/util/uuid"
|
||
"k8s.io/apimachinery/pkg/util/wait"
|
||
"k8s.io/apimachinery/pkg/watch"
|
||
"k8s.io/kubernetes/test/e2e/framework"
|
||
|
||
. "github.com/onsi/ginkgo"
|
||
. "github.com/onsi/gomega"
|
||
imageutils "k8s.io/kubernetes/test/utils/image"
|
||
)
|
||
|
||
var _ = SIGDescribe("Pods Extended", func() {
|
||
f := framework.NewDefaultFramework("pods")
|
||
|
||
framework.KubeDescribe("Delete Grace Period", func() {
|
||
var podClient *framework.PodClient
|
||
BeforeEach(func() {
|
||
podClient = f.PodClient()
|
||
})
|
||
// TODO: Fix Flaky issue #68066 and then re-add this back into Conformance Suite
|
||
/*
|
||
Release : v1.9
|
||
Testname: Pods, delete grace period
|
||
Description: Create a pod, make sure it is running, create a watch to observe Pod creation. Create a 'kubectl local proxy', capture the port the proxy is listening. Using the http client send a ‘delete’ with gracePeriodSeconds=30. Pod SHOULD get deleted within 30 seconds.
|
||
*/
|
||
It("should be submitted and removed [Flaky]", func() {
|
||
By("creating the pod")
|
||
name := "pod-submit-remove-" + string(uuid.NewUUID())
|
||
value := strconv.Itoa(time.Now().Nanosecond())
|
||
pod := &v1.Pod{
|
||
ObjectMeta: metav1.ObjectMeta{
|
||
Name: name,
|
||
Labels: map[string]string{
|
||
"name": "foo",
|
||
"time": value,
|
||
},
|
||
},
|
||
Spec: v1.PodSpec{
|
||
Containers: []v1.Container{
|
||
{
|
||
Name: "nginx",
|
||
Image: imageutils.GetE2EImage(imageutils.Nginx),
|
||
},
|
||
},
|
||
},
|
||
}
|
||
|
||
By("setting up watch")
|
||
selector := labels.SelectorFromSet(labels.Set(map[string]string{"time": value}))
|
||
options := metav1.ListOptions{LabelSelector: selector.String()}
|
||
pods, err := podClient.List(options)
|
||
Expect(err).NotTo(HaveOccurred(), "failed to query for pod")
|
||
Expect(len(pods.Items)).To(Equal(0))
|
||
options = metav1.ListOptions{
|
||
LabelSelector: selector.String(),
|
||
ResourceVersion: pods.ListMeta.ResourceVersion,
|
||
}
|
||
w, err := podClient.Watch(options)
|
||
Expect(err).NotTo(HaveOccurred(), "failed to set up watch")
|
||
|
||
By("submitting the pod to kubernetes")
|
||
podClient.Create(pod)
|
||
|
||
By("verifying the pod is in kubernetes")
|
||
selector = labels.SelectorFromSet(labels.Set(map[string]string{"time": value}))
|
||
options = metav1.ListOptions{LabelSelector: selector.String()}
|
||
pods, err = podClient.List(options)
|
||
Expect(err).NotTo(HaveOccurred(), "failed to query for pod")
|
||
Expect(len(pods.Items)).To(Equal(1))
|
||
|
||
By("verifying pod creation was observed")
|
||
select {
|
||
case event, _ := <-w.ResultChan():
|
||
if event.Type != watch.Added {
|
||
framework.Failf("Failed to observe pod creation: %v", event)
|
||
}
|
||
case <-time.After(framework.PodStartTimeout):
|
||
framework.Failf("Timeout while waiting for pod creation")
|
||
}
|
||
|
||
// We need to wait for the pod to be running, otherwise the deletion
|
||
// may be carried out immediately rather than gracefully.
|
||
framework.ExpectNoError(f.WaitForPodRunning(pod.Name))
|
||
// save the running pod
|
||
pod, err = podClient.Get(pod.Name, metav1.GetOptions{})
|
||
Expect(err).NotTo(HaveOccurred(), "failed to GET scheduled pod")
|
||
|
||
// start local proxy, so we can send graceful deletion over query string, rather than body parameter
|
||
cmd := framework.KubectlCmd("proxy", "-p", "0")
|
||
stdout, stderr, err := framework.StartCmdAndStreamOutput(cmd)
|
||
Expect(err).NotTo(HaveOccurred(), "failed to start up proxy")
|
||
defer stdout.Close()
|
||
defer stderr.Close()
|
||
defer framework.TryKill(cmd)
|
||
buf := make([]byte, 128)
|
||
var n int
|
||
n, err = stdout.Read(buf)
|
||
Expect(err).NotTo(HaveOccurred(), "failed to read from kubectl proxy stdout")
|
||
output := string(buf[:n])
|
||
proxyRegexp := regexp.MustCompile("Starting to serve on 127.0.0.1:([0-9]+)")
|
||
match := proxyRegexp.FindStringSubmatch(output)
|
||
Expect(len(match)).To(Equal(2))
|
||
port, err := strconv.Atoi(match[1])
|
||
Expect(err).NotTo(HaveOccurred(), "failed to convert port into string")
|
||
|
||
endpoint := fmt.Sprintf("http://localhost:%d/api/v1/namespaces/%s/pods/%s?gracePeriodSeconds=30", port, pod.Namespace, pod.Name)
|
||
tr := &http.Transport{
|
||
TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
|
||
}
|
||
client := &http.Client{Transport: tr}
|
||
req, err := http.NewRequest("DELETE", endpoint, nil)
|
||
Expect(err).NotTo(HaveOccurred(), "failed to create http request")
|
||
|
||
By("deleting the pod gracefully")
|
||
rsp, err := client.Do(req)
|
||
Expect(err).NotTo(HaveOccurred(), "failed to use http client to send delete")
|
||
|
||
defer rsp.Body.Close()
|
||
|
||
By("verifying the kubelet observed the termination notice")
|
||
Expect(wait.Poll(time.Second*5, time.Second*30, func() (bool, error) {
|
||
podList, err := framework.GetKubeletPods(f.ClientSet, pod.Spec.NodeName)
|
||
if err != nil {
|
||
framework.Logf("Unable to retrieve kubelet pods for node %v: %v", pod.Spec.NodeName, err)
|
||
return false, nil
|
||
}
|
||
for _, kubeletPod := range podList.Items {
|
||
if pod.Name != kubeletPod.Name {
|
||
continue
|
||
}
|
||
if kubeletPod.ObjectMeta.DeletionTimestamp == nil {
|
||
framework.Logf("deletion has not yet been observed")
|
||
return false, nil
|
||
}
|
||
return true, nil
|
||
}
|
||
framework.Logf("no pod exists with the name we were looking for, assuming the termination request was observed and completed")
|
||
return true, nil
|
||
})).NotTo(HaveOccurred(), "kubelet never observed the termination notice")
|
||
|
||
By("verifying pod deletion was observed")
|
||
deleted := false
|
||
timeout := false
|
||
var lastPod *v1.Pod
|
||
timer := time.After(2 * time.Minute)
|
||
for !deleted && !timeout {
|
||
select {
|
||
case event, _ := <-w.ResultChan():
|
||
if event.Type == watch.Deleted {
|
||
lastPod = event.Object.(*v1.Pod)
|
||
deleted = true
|
||
}
|
||
case <-timer:
|
||
timeout = true
|
||
}
|
||
}
|
||
if !deleted {
|
||
framework.Failf("Failed to observe pod deletion")
|
||
}
|
||
|
||
Expect(lastPod.DeletionTimestamp).ToNot(BeNil())
|
||
Expect(lastPod.Spec.TerminationGracePeriodSeconds).ToNot(BeZero())
|
||
|
||
selector = labels.SelectorFromSet(labels.Set(map[string]string{"time": value}))
|
||
options = metav1.ListOptions{LabelSelector: selector.String()}
|
||
pods, err = podClient.List(options)
|
||
Expect(err).NotTo(HaveOccurred(), "failed to query for pods")
|
||
Expect(len(pods.Items)).To(Equal(0))
|
||
|
||
})
|
||
})
|
||
|
||
framework.KubeDescribe("Pods Set QOS Class", func() {
|
||
var podClient *framework.PodClient
|
||
BeforeEach(func() {
|
||
podClient = f.PodClient()
|
||
})
|
||
/*
|
||
Release : v1.9
|
||
Testname: Pods, QOS
|
||
Description: Create a Pod with CPU and Memory request and limits. Pos status MUST have QOSClass set to PodQOSGuaranteed.
|
||
*/
|
||
framework.ConformanceIt("should be submitted and removed ", func() {
|
||
By("creating the pod")
|
||
name := "pod-qos-class-" + string(uuid.NewUUID())
|
||
pod := &v1.Pod{
|
||
ObjectMeta: metav1.ObjectMeta{
|
||
Name: name,
|
||
Labels: map[string]string{
|
||
"name": name,
|
||
},
|
||
},
|
||
Spec: v1.PodSpec{
|
||
Containers: []v1.Container{
|
||
{
|
||
Name: "nginx",
|
||
Image: imageutils.GetE2EImage(imageutils.Nginx),
|
||
Resources: v1.ResourceRequirements{
|
||
Limits: v1.ResourceList{
|
||
v1.ResourceCPU: resource.MustParse("100m"),
|
||
v1.ResourceMemory: resource.MustParse("100Mi"),
|
||
},
|
||
Requests: v1.ResourceList{
|
||
v1.ResourceCPU: resource.MustParse("100m"),
|
||
v1.ResourceMemory: resource.MustParse("100Mi"),
|
||
},
|
||
},
|
||
},
|
||
},
|
||
},
|
||
}
|
||
|
||
By("submitting the pod to kubernetes")
|
||
podClient.Create(pod)
|
||
|
||
By("verifying QOS class is set on the pod")
|
||
pod, err := podClient.Get(name, metav1.GetOptions{})
|
||
Expect(err).NotTo(HaveOccurred(), "failed to query for pod")
|
||
Expect(pod.Status.QOSClass == v1.PodQOSGuaranteed)
|
||
})
|
||
})
|
||
})
|