// testDeploymentCleanUpPolicy tests that deployment supports cleanup policy
func testDeploymentCleanUpPolicy(f *Framework) {
ns := f.Namespace.Name
unversionedClient := f.Client
c := clientset.FromUnversionedClient(unversionedClient)
// Create nginx pods.
deploymentPodLabels := map[string]string{"name": "cleanup-pod"}
rsPodLabels := map[string]string{
"name": "cleanup-pod",
"pod": "nginx",
}
rsName := "nginx-controller"
replicas := 1
revisionHistoryLimit := util.IntPtr(0)
_, err := c.Extensions().ReplicaSets(ns).Create(newRS(rsName, replicas, rsPodLabels, "nginx", "nginx"))
Expect(err).NotTo(HaveOccurred())
// Verify that the required pods have come up.
err = verifyPods(unversionedClient, ns, "cleanup-pod", false, 1)
if err != nil {
Logf("error in waiting for pods to come up: %s", err)
Expect(err).NotTo(HaveOccurred())
}
// Create a deployment to delete nginx pods and instead bring up redis pods.
deploymentName := "redis-deployment"
Logf("Creating deployment %s", deploymentName)
_, err = c.Extensions().Deployments(ns).Create(newDeployment(deploymentName, replicas, deploymentPodLabels, "redis", "redis", extensions.RollingUpdateDeploymentStrategyType, revisionHistoryLimit))
Expect(err).NotTo(HaveOccurred())
defer stopDeployment(c, f.Client, ns, deploymentName)
err = waitForDeploymentOldRSsNum(c, ns, deploymentName, *revisionHistoryLimit)
Expect(err).NotTo(HaveOccurred())
}
func NewHollowProxyOrDie(
nodeName string,
client *client.Client,
endpointsConfig *proxyconfig.EndpointsConfig,
serviceConfig *proxyconfig.ServiceConfig,
iptInterface utiliptables.Interface,
broadcaster record.EventBroadcaster,
recorder record.EventRecorder,
) *HollowProxy {
// Create and start Hollow Proxy
config := options.NewProxyConfig()
config.OOMScoreAdj = util.IntPtr(0)
config.ResourceContainer = ""
config.NodeRef = &api.ObjectReference{
Kind: "Node",
Name: nodeName,
UID: types.UID(nodeName),
Namespace: "",
}
proxyconfig.NewSourceAPI(
client,
30*time.Second,
serviceConfig.Channel("api"),
endpointsConfig.Channel("api"),
)
hollowProxy, err := proxyapp.NewProxyServer(client, config, iptInterface, &FakeProxier{}, broadcaster, recorder, nil, "fake")
if err != nil {
glog.Fatalf("Error while creating ProxyServer: %v\n", err)
}
return &HollowProxy{
ProxyServer: hollowProxy,
}
}
func (reaper *DeploymentReaper) Stop(namespace, name string, timeout time.Duration, gracePeriod *api.DeleteOptions) error {
deployments := reaper.Extensions().Deployments(namespace)
replicaSets := reaper.Extensions().ReplicaSets(namespace)
rsReaper, _ := ReaperFor(extensions.Kind("ReplicaSet"), reaper)
deployment, err := reaper.updateDeploymentWithRetries(namespace, name, func(d *extensions.Deployment) {
// set deployment's history and scale to 0
// TODO replace with patch when available: https://github.com/kubernetes/kubernetes/issues/20527
d.Spec.RevisionHistoryLimit = util.IntPtr(0)
d.Spec.Replicas = 0
d.Spec.Paused = true
})
if err != nil {
return err
}
// Use observedGeneration to determine if the deployment controller noticed the pause.
if err := deploymentutil.WaitForObservedDeployment(func() (*extensions.Deployment, error) {
return deployments.Get(name)
}, deployment.Generation, 10*time.Millisecond, 1*time.Minute); err != nil {
return err
}
// Stop all replica sets.
selector, err := unversioned.LabelSelectorAsSelector(deployment.Spec.Selector)
if err != nil {
return err
}
options := api.ListOptions{LabelSelector: selector}
rsList, err := replicaSets.List(options)
if err != nil {
return err
}
errList := []error{}
for _, rc := range rsList.Items {
if err := rsReaper.Stop(rc.Namespace, rc.Name, timeout, gracePeriod); err != nil {
if !errors.IsNotFound(err) {
errList = append(errList, err)
}
}
}
if len(errList) > 0 {
return utilerrors.NewAggregate(errList)
}
// Delete deployment at the end.
// Note: We delete deployment at the end so that if removing RSs fails, we atleast have the deployment to retry.
return deployments.Delete(name, nil)
}
func NewProxyConfig() *ProxyServerConfig {
return &ProxyServerConfig{
KubeProxyConfiguration: componentconfig.KubeProxyConfiguration{
BindAddress: "0.0.0.0",
HealthzPort: 10249,
HealthzBindAddress: "127.0.0.1",
OOMScoreAdj: util.IntPtr(qos.KubeProxyOOMScoreAdj),
ResourceContainer: "/kube-proxy",
IPTablesSyncPeriod: unversioned.Duration{30 * time.Second},
UDPIdleTimeout: unversioned.Duration{250 * time.Millisecond},
ConntrackMax: 256 * 1024, // 4x default (64k)
ConntrackTCPEstablishedTimeout: unversioned.Duration{Duration: 24 * time.Hour}, // 1 day (1/5 default)
},
KubeAPIQPS: 5.0,
KubeAPIBurst: 10,
ConfigSyncPeriod: 15 * time.Minute,
}
}
// testDeploymentCleanUpPolicy tests that deployment supports cleanup policy
func testDeploymentCleanUpPolicy(f *Framework) {
ns := f.Namespace.Name
unversionedClient := f.Client
c := clientset.FromUnversionedClient(unversionedClient)
// Create nginx pods.
deploymentPodLabels := map[string]string{"name": "cleanup-pod"}
rsPodLabels := map[string]string{
"name": "cleanup-pod",
"pod": nginxImageName,
}
rsName := "test-cleanup-controller"
replicas := 1
revisionHistoryLimit := util.IntPtr(0)
_, err := c.Extensions().ReplicaSets(ns).Create(newRS(rsName, replicas, rsPodLabels, nginxImageName, nginxImage))
Expect(err).NotTo(HaveOccurred())
// Verify that the required pods have come up.
err = verifyPods(unversionedClient, ns, "cleanup-pod", false, 1)
if err != nil {
Logf("error in waiting for pods to come up: %s", err)
Expect(err).NotTo(HaveOccurred())
}
// Create a deployment to delete nginx pods and instead bring up redis pods.
deploymentName := "test-cleanup-deployment"
Logf("Creating deployment %s", deploymentName)
pods, err := c.Pods(ns).List(api.ListOptions{LabelSelector: labels.Everything()})
if err != nil {
Expect(err).NotTo(HaveOccurred(), "Failed to query for pods: %v", err)
}
options := api.ListOptions{
ResourceVersion: pods.ListMeta.ResourceVersion,
}
stopCh := make(chan struct{})
w, err := c.Pods(ns).Watch(options)
go func() {
// There should be only one pod being created, which is the pod with the redis image.
// The old RS shouldn't create new pod when deployment controller adding pod template hash label to its selector.
numPodCreation := 1
for {
select {
case event, _ := <-w.ResultChan():
if event.Type != watch.Added {
continue
}
numPodCreation--
if numPodCreation < 0 {
Failf("Expect only one pod creation, the second creation event: %#v\n", event)
}
pod, ok := event.Object.(*api.Pod)
if !ok {
Fail("Expect event Object to be a pod")
}
if pod.Spec.Containers[0].Name != redisImageName {
Failf("Expect the created pod to have container name %s, got pod %#v\n", redisImageName, pod)
}
case <-stopCh:
return
}
}
}()
_, err = c.Extensions().Deployments(ns).Create(newDeployment(deploymentName, replicas, deploymentPodLabels, redisImageName, redisImage, extensions.RollingUpdateDeploymentStrategyType, revisionHistoryLimit))
Expect(err).NotTo(HaveOccurred())
defer stopDeployment(c, f.Client, ns, deploymentName)
err = waitForDeploymentOldRSsNum(c, ns, deploymentName, *revisionHistoryLimit)
Expect(err).NotTo(HaveOccurred())
close(stopCh)
}