// TestURLBackoffFunctionality generally tests the URLBackoff wrapper. We avoid duplicating tests from backoff and request.
func TestURLBackoffFunctionality(t *testing.T) {
myBackoff := &URLBackoff{
Backoff: flowcontrol.NewBackOff(1*time.Second, 60*time.Second),
}
// Now test that backoff increases, then recovers.
// 200 and 300 should both result in clearing the backoff.
// all others like 429 should result in increased backoff.
seconds := []int{0,
1, 2, 4, 8, 0,
1, 2}
returnCodes := []int{
429, 500, 501, 502, 300,
500, 501, 502,
}
if len(seconds) != len(returnCodes) {
t.Fatalf("responseCode to backoff arrays should be the same length... sanity check failed.")
}
for i, sec := range seconds {
backoffSec := myBackoff.CalculateBackoff(parse("http://1.2.3.4:100"))
if backoffSec < time.Duration(sec)*time.Second || backoffSec > time.Duration(sec+5)*time.Second {
t.Errorf("Backoff out of range %v: %v %v", i, sec, backoffSec)
}
myBackoff.UpdateBackoff(parse("http://1.2.3.4:100/responseCodeForFuncTest"), nil, returnCodes[i])
}
if myBackoff.CalculateBackoff(parse("http://1.2.3.4:100")) == 0 {
t.Errorf("The final return code %v should have resulted in a backoff ! ", returnCodes[7])
}
}
// readExpBackoffConfig handles the internal logic of determining what the
// backoff policy is. By default if no information is available, NoBackoff.
// TODO Generalize this see #17727 .
func readExpBackoffConfig() BackoffManager {
backoffBase := os.Getenv(envBackoffBase)
backoffDuration := os.Getenv(envBackoffDuration)
backoffBaseInt, errBase := strconv.ParseInt(backoffBase, 10, 64)
backoffDurationInt, errDuration := strconv.ParseInt(backoffDuration, 10, 64)
if errBase != nil || errDuration != nil {
return &NoBackoff{}
}
return &URLBackoff{
Backoff: flowcontrol.NewBackOff(
time.Duration(backoffBaseInt)*time.Second,
time.Duration(backoffDurationInt)*time.Second)}
}
func TestURLBackoffFunctionalityCollisions(t *testing.T) {
myBackoff := &URLBackoff{
Backoff: flowcontrol.NewBackOff(1*time.Second, 60*time.Second),
}
// Add some noise and make sure backoff for a clean URL is zero.
myBackoff.UpdateBackoff(parse("http://100.200.300.400:8080"), nil, 500)
myBackoff.UpdateBackoff(parse("http://1.2.3.4:8080"), nil, 500)
if myBackoff.CalculateBackoff(parse("http://1.2.3.4:100")) > 0 {
t.Errorf("URLs are colliding in the backoff map!")
}
}
func pullerTestEnv(c pullerTestCase, serialized bool) (puller ImageManager, fakeClock *clock.FakeClock, fakeRuntime *ctest.FakeRuntime, container *v1.Container) {
container = &v1.Container{
Name: "container_name",
Image: c.containerImage,
ImagePullPolicy: c.policy,
}
backOff := flowcontrol.NewBackOff(time.Second, time.Minute)
fakeClock = clock.NewFakeClock(time.Now())
backOff.Clock = fakeClock
fakeRuntime = &ctest.FakeRuntime{}
fakeRecorder := &record.FakeRecorder{}
fakeRuntime.ImageList = []Image{{ID: "present_image"}}
fakeRuntime.Err = c.pullerErr
fakeRuntime.InspectErr = c.inspectErr
puller = NewImageManager(fakeRecorder, fakeRuntime, backOff, serialized, 0, 0)
return
}
func TestSyncPod(t *testing.T) {
fakeRuntime, fakeImage, m, err := createTestRuntimeManager()
assert.NoError(t, err)
containers := []v1.Container{
{
Name: "foo1",
Image: "busybox",
ImagePullPolicy: v1.PullIfNotPresent,
},
{
Name: "foo2",
Image: "alpine",
ImagePullPolicy: v1.PullIfNotPresent,
},
}
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
UID: "12345678",
Name: "foo",
Namespace: "new",
},
Spec: v1.PodSpec{
Containers: containers,
},
}
backOff := flowcontrol.NewBackOff(time.Second, time.Minute)
result := m.SyncPod(pod, v1.PodStatus{}, &kubecontainer.PodStatus{}, []v1.Secret{}, backOff)
assert.NoError(t, result.Error())
assert.Equal(t, 2, len(fakeRuntime.Containers))
assert.Equal(t, 2, len(fakeImage.Images))
assert.Equal(t, 1, len(fakeRuntime.Sandboxes))
for _, sandbox := range fakeRuntime.Sandboxes {
assert.Equal(t, runtimeapi.PodSandboxState_SANDBOX_READY, sandbox.GetState())
}
for _, c := range fakeRuntime.Containers {
assert.Equal(t, runtimeapi.ContainerState_CONTAINER_RUNNING, c.GetState())
}
}
func NewFakeKubeRuntimeManager(runtimeService internalapi.RuntimeService, imageService internalapi.ImageManagerService, machineInfo *cadvisorapi.MachineInfo, networkPlugin network.NetworkPlugin, osInterface kubecontainer.OSInterface) (*kubeGenericRuntimeManager, error) {
recorder := &record.FakeRecorder{}
kubeRuntimeManager := &kubeGenericRuntimeManager{
recorder: recorder,
cpuCFSQuota: false,
livenessManager: proberesults.NewManager(),
containerRefManager: kubecontainer.NewRefManager(),
machineInfo: machineInfo,
osInterface: osInterface,
networkPlugin: networkPlugin,
runtimeHelper: &fakeRuntimeHelper{},
runtimeService: runtimeService,
imageService: imageService,
keyring: credentialprovider.NewDockerKeyring(),
}
typedVersion, err := runtimeService.Version(kubeRuntimeAPIVersion)
if err != nil {
return nil, err
}
kubeRuntimeManager.containerGC = NewContainerGC(runtimeService, newFakePodGetter(), kubeRuntimeManager)
kubeRuntimeManager.runtimeName = typedVersion.GetRuntimeName()
kubeRuntimeManager.imagePuller = images.NewImageManager(
kubecontainer.FilterEventRecorder(recorder),
kubeRuntimeManager,
flowcontrol.NewBackOff(time.Second, 300*time.Second),
false,
0, // Disable image pull throttling by setting QPS to 0,
0,
)
kubeRuntimeManager.runner = lifecycle.NewHandlerRunner(
&fakeHTTP{},
kubeRuntimeManager,
kubeRuntimeManager)
return kubeRuntimeManager, nil
}
// NewDaemonSetController returns a new daemonset controller
func NewDaemonSetController(client federationclientset.Interface) *DaemonSetController {
broadcaster := record.NewBroadcaster()
broadcaster.StartRecordingToSink(eventsink.NewFederatedEventSink(client))
recorder := broadcaster.NewRecorder(apiv1.EventSource{Component: "federated-daemonset-controller"})
daemonsetcontroller := &DaemonSetController{
federatedApiClient: client,
daemonsetReviewDelay: time.Second * 10,
clusterAvailableDelay: time.Second * 20,
smallDelay: time.Second * 3,
updateTimeout: time.Second * 30,
daemonsetBackoff: flowcontrol.NewBackOff(5*time.Second, time.Minute),
eventRecorder: recorder,
}
// Build deliverers for triggering reconciliations.
daemonsetcontroller.daemonsetDeliverer = util.NewDelayingDeliverer()
daemonsetcontroller.clusterDeliverer = util.NewDelayingDeliverer()
// Start informer in federated API servers on daemonsets that should be federated.
daemonsetcontroller.daemonsetInformerStore, daemonsetcontroller.daemonsetInformerController = cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options apiv1.ListOptions) (pkgruntime.Object, error) {
return client.Extensions().DaemonSets(apiv1.NamespaceAll).List(options)
},
WatchFunc: func(options apiv1.ListOptions) (watch.Interface, error) {
return client.Extensions().DaemonSets(apiv1.NamespaceAll).Watch(options)
},
},
&extensionsv1.DaemonSet{},
controller.NoResyncPeriodFunc(),
util.NewTriggerOnAllChanges(func(obj pkgruntime.Object) { daemonsetcontroller.deliverDaemonSetObj(obj, 0, false) }))
// Federated informer on daemonsets in members of federation.
daemonsetcontroller.daemonsetFederatedInformer = util.NewFederatedInformer(
client,
func(cluster *federationapi.Cluster, targetClient kubeclientset.Interface) (cache.Store, cache.Controller) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options apiv1.ListOptions) (pkgruntime.Object, error) {
return targetClient.Extensions().DaemonSets(apiv1.NamespaceAll).List(options)
},
WatchFunc: func(options apiv1.ListOptions) (watch.Interface, error) {
return targetClient.Extensions().DaemonSets(apiv1.NamespaceAll).Watch(options)
},
},
&extensionsv1.DaemonSet{},
controller.NoResyncPeriodFunc(),
// Trigger reconciliation whenever something in federated cluster is changed. In most cases it
// would be just confirmation that some daemonset operation succeeded.
util.NewTriggerOnAllChanges(
func(obj pkgruntime.Object) {
daemonsetcontroller.deliverDaemonSetObj(obj, daemonsetcontroller.daemonsetReviewDelay, false)
},
))
},
&util.ClusterLifecycleHandlerFuncs{
ClusterAvailable: func(cluster *federationapi.Cluster) {
// When new cluster becomes available process all the daemonsets again.
daemonsetcontroller.clusterDeliverer.DeliverAt(allClustersKey, nil, time.Now().Add(daemonsetcontroller.clusterAvailableDelay))
},
},
)
// Federated updater along with Create/Update/Delete operations.
daemonsetcontroller.federatedUpdater = util.NewFederatedUpdater(daemonsetcontroller.daemonsetFederatedInformer,
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
daemonset := obj.(*extensionsv1.DaemonSet)
glog.V(4).Infof("Attempting to create daemonset: %s/%s", daemonset.Namespace, daemonset.Name)
_, err := client.Extensions().DaemonSets(daemonset.Namespace).Create(daemonset)
if err != nil {
glog.Errorf("Error creating daemonset %s/%s/: %v", daemonset.Namespace, daemonset.Name, err)
} else {
glog.V(4).Infof("Successfully created deamonset %s/%s", daemonset.Namespace, daemonset.Name)
}
return err
},
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
daemonset := obj.(*extensionsv1.DaemonSet)
glog.V(4).Infof("Attempting to update daemonset: %s/%s", daemonset.Namespace, daemonset.Name)
_, err := client.Extensions().DaemonSets(daemonset.Namespace).Update(daemonset)
if err != nil {
glog.Errorf("Error updating daemonset %s/%s/: %v", daemonset.Namespace, daemonset.Name, err)
} else {
glog.V(4).Infof("Successfully updating deamonset %s/%s", daemonset.Namespace, daemonset.Name)
}
return err
},
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
daemonset := obj.(*extensionsv1.DaemonSet)
glog.V(4).Infof("Attempting to delete daemonset: %s/%s", daemonset.Namespace, daemonset.Name)
err := client.Extensions().DaemonSets(daemonset.Namespace).Delete(daemonset.Name, &apiv1.DeleteOptions{})
if err != nil {
glog.Errorf("Error deleting daemonset %s/%s/: %v", daemonset.Namespace, daemonset.Name, err)
} else {
glog.V(4).Infof("Successfully deleting deamonset %s/%s", daemonset.Namespace, daemonset.Name)
}
return err
})
daemonsetcontroller.deletionHelper = deletionhelper.NewDeletionHelper(
daemonsetcontroller.hasFinalizerFunc,
daemonsetcontroller.removeFinalizerFunc,
daemonsetcontroller.addFinalizerFunc,
// objNameFunc
func(obj pkgruntime.Object) string {
daemonset := obj.(*extensionsv1.DaemonSet)
return daemonset.Name
},
daemonsetcontroller.updateTimeout,
daemonsetcontroller.eventRecorder,
daemonsetcontroller.daemonsetFederatedInformer,
daemonsetcontroller.federatedUpdater,
)
return daemonsetcontroller
}
// NewNamespaceController returns a new namespace controller
func NewNamespaceController(client federationclientset.Interface) *NamespaceController {
broadcaster := record.NewBroadcaster()
broadcaster.StartRecordingToSink(eventsink.NewFederatedEventSink(client))
recorder := broadcaster.NewRecorder(apiv1.EventSource{Component: "federated-namespace-controller"})
nc := &NamespaceController{
federatedApiClient: client,
namespaceReviewDelay: time.Second * 10,
clusterAvailableDelay: time.Second * 20,
smallDelay: time.Second * 3,
updateTimeout: time.Second * 30,
namespaceBackoff: flowcontrol.NewBackOff(5*time.Second, time.Minute),
eventRecorder: recorder,
}
// Build deliverers for triggering reconciliations.
nc.namespaceDeliverer = util.NewDelayingDeliverer()
nc.clusterDeliverer = util.NewDelayingDeliverer()
// Start informer in federated API servers on namespaces that should be federated.
nc.namespaceInformerStore, nc.namespaceInformerController = cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options apiv1.ListOptions) (runtime.Object, error) {
return client.Core().Namespaces().List(options)
},
WatchFunc: func(options apiv1.ListOptions) (watch.Interface, error) {
return client.Core().Namespaces().Watch(options)
},
},
&apiv1.Namespace{},
controller.NoResyncPeriodFunc(),
util.NewTriggerOnAllChanges(func(obj runtime.Object) { nc.deliverNamespaceObj(obj, 0, false) }))
// Federated informer on namespaces in members of federation.
nc.namespaceFederatedInformer = util.NewFederatedInformer(
client,
func(cluster *federationapi.Cluster, targetClient kubeclientset.Interface) (cache.Store, cache.Controller) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options apiv1.ListOptions) (runtime.Object, error) {
return targetClient.Core().Namespaces().List(options)
},
WatchFunc: func(options apiv1.ListOptions) (watch.Interface, error) {
return targetClient.Core().Namespaces().Watch(options)
},
},
&apiv1.Namespace{},
controller.NoResyncPeriodFunc(),
// Trigger reconciliation whenever something in federated cluster is changed. In most cases it
// would be just confirmation that some namespace operation succeeded.
util.NewTriggerOnMetaAndSpecChanges(
func(obj runtime.Object) { nc.deliverNamespaceObj(obj, nc.namespaceReviewDelay, false) },
))
},
&util.ClusterLifecycleHandlerFuncs{
ClusterAvailable: func(cluster *federationapi.Cluster) {
// When new cluster becomes available process all the namespaces again.
nc.clusterDeliverer.DeliverAfter(allClustersKey, nil, nc.clusterAvailableDelay)
},
},
)
// Federated updater along with Create/Update/Delete operations.
nc.federatedUpdater = util.NewFederatedUpdater(nc.namespaceFederatedInformer,
func(client kubeclientset.Interface, obj runtime.Object) error {
namespace := obj.(*apiv1.Namespace)
_, err := client.Core().Namespaces().Create(namespace)
return err
},
func(client kubeclientset.Interface, obj runtime.Object) error {
namespace := obj.(*apiv1.Namespace)
_, err := client.Core().Namespaces().Update(namespace)
return err
},
func(client kubeclientset.Interface, obj runtime.Object) error {
namespace := obj.(*apiv1.Namespace)
err := client.Core().Namespaces().Delete(namespace.Name, &apiv1.DeleteOptions{})
// IsNotFound error is fine since that means the object is deleted already.
if errors.IsNotFound(err) {
return nil
}
return err
})
nc.deletionHelper = deletionhelper.NewDeletionHelper(
nc.hasFinalizerFunc,
nc.removeFinalizerFunc,
nc.addFinalizerFunc,
// objNameFunc
func(obj runtime.Object) string {
namespace := obj.(*apiv1.Namespace)
return namespace.Name
},
nc.updateTimeout,
nc.eventRecorder,
nc.namespaceFederatedInformer,
nc.federatedUpdater,
)
return nc
}
// Disable makes the backoff trivial, i.e., sets it to zero. This might be used
// by tests which want to run 1000s of mock requests without slowing down.
func (b *URLBackoff) Disable() {
glog.V(4).Infof("Disabling backoff strategy")
b.Backoff = flowcontrol.NewBackOff(0*time.Second, 0*time.Second)
}
// NewclusterController returns a new cluster controller
func NewDeploymentController(federationClient fedclientset.Interface) *DeploymentController {
broadcaster := record.NewBroadcaster()
broadcaster.StartRecordingToSink(eventsink.NewFederatedEventSink(federationClient))
recorder := broadcaster.NewRecorder(apiv1.EventSource{Component: "federated-deployment-controller"})
fdc := &DeploymentController{
fedClient: federationClient,
deploymentDeliverer: fedutil.NewDelayingDeliverer(),
clusterDeliverer: fedutil.NewDelayingDeliverer(),
deploymentWorkQueue: workqueue.New(),
deploymentBackoff: flowcontrol.NewBackOff(5*time.Second, time.Minute),
defaultPlanner: planner.NewPlanner(&fed.FederatedReplicaSetPreferences{
Clusters: map[string]fed.ClusterReplicaSetPreferences{
"*": {Weight: 1},
},
}),
eventRecorder: recorder,
}
deploymentFedInformerFactory := func(cluster *fedv1.Cluster, clientset kubeclientset.Interface) (cache.Store, cache.Controller) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options apiv1.ListOptions) (runtime.Object, error) {
return clientset.Extensions().Deployments(apiv1.NamespaceAll).List(options)
},
WatchFunc: func(options apiv1.ListOptions) (watch.Interface, error) {
return clientset.Extensions().Deployments(apiv1.NamespaceAll).Watch(options)
},
},
&extensionsv1.Deployment{},
controller.NoResyncPeriodFunc(),
fedutil.NewTriggerOnAllChanges(
func(obj runtime.Object) { fdc.deliverLocalDeployment(obj, deploymentReviewDelay) },
),
)
}
clusterLifecycle := fedutil.ClusterLifecycleHandlerFuncs{
ClusterAvailable: func(cluster *fedv1.Cluster) {
fdc.clusterDeliverer.DeliverAfter(allClustersKey, nil, clusterAvailableDelay)
},
ClusterUnavailable: func(cluster *fedv1.Cluster, _ []interface{}) {
fdc.clusterDeliverer.DeliverAfter(allClustersKey, nil, clusterUnavailableDelay)
},
}
fdc.fedDeploymentInformer = fedutil.NewFederatedInformer(federationClient, deploymentFedInformerFactory, &clusterLifecycle)
podFedInformerFactory := func(cluster *fedv1.Cluster, clientset kubeclientset.Interface) (cache.Store, cache.Controller) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options apiv1.ListOptions) (runtime.Object, error) {
return clientset.Core().Pods(apiv1.NamespaceAll).List(options)
},
WatchFunc: func(options apiv1.ListOptions) (watch.Interface, error) {
return clientset.Core().Pods(apiv1.NamespaceAll).Watch(options)
},
},
&apiv1.Pod{},
controller.NoResyncPeriodFunc(),
fedutil.NewTriggerOnAllChanges(
func(obj runtime.Object) {
fdc.clusterDeliverer.DeliverAfter(allClustersKey, nil, allDeploymentReviewDelay)
},
),
)
}
fdc.fedPodInformer = fedutil.NewFederatedInformer(federationClient, podFedInformerFactory, &fedutil.ClusterLifecycleHandlerFuncs{})
fdc.deploymentStore, fdc.deploymentController = cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options apiv1.ListOptions) (runtime.Object, error) {
return fdc.fedClient.Extensions().Deployments(apiv1.NamespaceAll).List(options)
},
WatchFunc: func(options apiv1.ListOptions) (watch.Interface, error) {
return fdc.fedClient.Extensions().Deployments(apiv1.NamespaceAll).Watch(options)
},
},
&extensionsv1.Deployment{},
controller.NoResyncPeriodFunc(),
fedutil.NewTriggerOnMetaAndSpecChanges(
func(obj runtime.Object) { fdc.deliverFedDeploymentObj(obj, deploymentReviewDelay) },
),
)
fdc.fedUpdater = fedutil.NewFederatedUpdater(fdc.fedDeploymentInformer,
func(client kubeclientset.Interface, obj runtime.Object) error {
rs := obj.(*extensionsv1.Deployment)
_, err := client.Extensions().Deployments(rs.Namespace).Create(rs)
return err
},
func(client kubeclientset.Interface, obj runtime.Object) error {
rs := obj.(*extensionsv1.Deployment)
_, err := client.Extensions().Deployments(rs.Namespace).Update(rs)
return err
},
func(client kubeclientset.Interface, obj runtime.Object) error {
rs := obj.(*extensionsv1.Deployment)
err := client.Extensions().Deployments(rs.Namespace).Delete(rs.Name, &apiv1.DeleteOptions{})
return err
})
fdc.deletionHelper = deletionhelper.NewDeletionHelper(
fdc.hasFinalizerFunc,
fdc.removeFinalizerFunc,
fdc.addFinalizerFunc,
// objNameFunc
func(obj runtime.Object) string {
deployment := obj.(*extensionsv1.Deployment)
return deployment.Name
},
updateTimeout,
fdc.eventRecorder,
fdc.fedDeploymentInformer,
fdc.fedUpdater,
)
return fdc
}
// NewConfigMapController returns a new configmap controller
func NewConfigMapController(client federationclientset.Interface) *ConfigMapController {
broadcaster := record.NewBroadcaster()
broadcaster.StartRecordingToSink(eventsink.NewFederatedEventSink(client))
recorder := broadcaster.NewRecorder(apiv1.EventSource{Component: "federated-configmaps-controller"})
configmapcontroller := &ConfigMapController{
federatedApiClient: client,
configmapReviewDelay: time.Second * 10,
clusterAvailableDelay: time.Second * 20,
smallDelay: time.Second * 3,
updateTimeout: time.Second * 30,
configmapBackoff: flowcontrol.NewBackOff(5*time.Second, time.Minute),
eventRecorder: recorder,
}
// Build delivereres for triggering reconciliations.
configmapcontroller.configmapDeliverer = util.NewDelayingDeliverer()
configmapcontroller.clusterDeliverer = util.NewDelayingDeliverer()
// Start informer on federated API servers on configmaps that should be federated.
configmapcontroller.configmapInformerStore, configmapcontroller.configmapInformerController = cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options apiv1.ListOptions) (pkgruntime.Object, error) {
return client.Core().ConfigMaps(apiv1.NamespaceAll).List(options)
},
WatchFunc: func(options apiv1.ListOptions) (watch.Interface, error) {
return client.Core().ConfigMaps(apiv1.NamespaceAll).Watch(options)
},
},
&apiv1.ConfigMap{},
controller.NoResyncPeriodFunc(),
util.NewTriggerOnAllChanges(func(obj pkgruntime.Object) { configmapcontroller.deliverConfigMapObj(obj, 0, false) }))
// Federated informer on configmaps in members of federation.
configmapcontroller.configmapFederatedInformer = util.NewFederatedInformer(
client,
func(cluster *federationapi.Cluster, targetClient kubeclientset.Interface) (cache.Store, cache.Controller) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options apiv1.ListOptions) (pkgruntime.Object, error) {
return targetClient.Core().ConfigMaps(apiv1.NamespaceAll).List(options)
},
WatchFunc: func(options apiv1.ListOptions) (watch.Interface, error) {
return targetClient.Core().ConfigMaps(apiv1.NamespaceAll).Watch(options)
},
},
&apiv1.ConfigMap{},
controller.NoResyncPeriodFunc(),
// Trigger reconciliation whenever something in federated cluster is changed. In most cases it
// would be just confirmation that some configmap operation succeeded.
util.NewTriggerOnAllChanges(
func(obj pkgruntime.Object) {
configmapcontroller.deliverConfigMapObj(obj, configmapcontroller.configmapReviewDelay, false)
},
))
},
&util.ClusterLifecycleHandlerFuncs{
ClusterAvailable: func(cluster *federationapi.Cluster) {
// When new cluster becomes available process all the configmaps again.
configmapcontroller.clusterDeliverer.DeliverAt(allClustersKey, nil, time.Now().Add(configmapcontroller.clusterAvailableDelay))
},
},
)
// Federated updater along with Create/Update/Delete operations.
configmapcontroller.federatedUpdater = util.NewFederatedUpdater(configmapcontroller.configmapFederatedInformer,
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
configmap := obj.(*apiv1.ConfigMap)
_, err := client.Core().ConfigMaps(configmap.Namespace).Create(configmap)
return err
},
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
configmap := obj.(*apiv1.ConfigMap)
_, err := client.Core().ConfigMaps(configmap.Namespace).Update(configmap)
return err
},
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
configmap := obj.(*apiv1.ConfigMap)
err := client.Core().ConfigMaps(configmap.Namespace).Delete(configmap.Name, &apiv1.DeleteOptions{})
return err
})
return configmapcontroller
}
// NewIngressController returns a new ingress controller
func NewIngressController(client federationclientset.Interface) *IngressController {
glog.V(4).Infof("->NewIngressController V(4)")
broadcaster := record.NewBroadcaster()
broadcaster.StartRecordingToSink(eventsink.NewFederatedEventSink(client))
recorder := broadcaster.NewRecorder(v1.EventSource{Component: "federated-ingress-controller"})
ic := &IngressController{
federatedApiClient: client,
ingressReviewDelay: time.Second * 10,
configMapReviewDelay: time.Second * 10,
clusterAvailableDelay: time.Second * 20,
smallDelay: time.Second * 3,
updateTimeout: time.Second * 30,
ingressBackoff: flowcontrol.NewBackOff(5*time.Second, time.Minute),
eventRecorder: recorder,
configMapBackoff: flowcontrol.NewBackOff(5*time.Second, time.Minute),
}
// Build deliverers for triggering reconciliations.
ic.ingressDeliverer = util.NewDelayingDeliverer()
ic.clusterDeliverer = util.NewDelayingDeliverer()
ic.configMapDeliverer = util.NewDelayingDeliverer()
// Start informer in federated API servers on ingresses that should be federated.
ic.ingressInformerStore, ic.ingressInformerController = cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options v1.ListOptions) (pkgruntime.Object, error) {
return client.Extensions().Ingresses(api.NamespaceAll).List(options)
},
WatchFunc: func(options v1.ListOptions) (watch.Interface, error) {
return client.Extensions().Ingresses(api.NamespaceAll).Watch(options)
},
},
&extensionsv1beta1.Ingress{},
controller.NoResyncPeriodFunc(),
util.NewTriggerOnAllChanges(
func(obj pkgruntime.Object) {
ic.deliverIngressObj(obj, 0, false)
},
))
// Federated informer on ingresses in members of federation.
ic.ingressFederatedInformer = util.NewFederatedInformer(
client,
func(cluster *federationapi.Cluster, targetClient kubeclientset.Interface) (cache.Store, cache.Controller) {
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options v1.ListOptions) (pkgruntime.Object, error) {
return targetClient.Extensions().Ingresses(api.NamespaceAll).List(options)
},
WatchFunc: func(options v1.ListOptions) (watch.Interface, error) {
return targetClient.Extensions().Ingresses(api.NamespaceAll).Watch(options)
},
},
&extensionsv1beta1.Ingress{},
controller.NoResyncPeriodFunc(),
// Trigger reconciliation whenever something in federated cluster is changed. In most cases it
// would be just confirmation that some ingress operation succeeded.
util.NewTriggerOnAllChanges(
func(obj pkgruntime.Object) {
ic.deliverIngressObj(obj, ic.ingressReviewDelay, false)
},
))
},
&util.ClusterLifecycleHandlerFuncs{
ClusterAvailable: func(cluster *federationapi.Cluster) {
// When new cluster becomes available process all the ingresses again, and configure it's ingress controller's configmap with the correct UID
ic.clusterDeliverer.DeliverAfter(cluster.Name, cluster, ic.clusterAvailableDelay)
},
},
)
// Federated informer on configmaps for ingress controllers in members of the federation.
ic.configMapFederatedInformer = util.NewFederatedInformer(
client,
func(cluster *federationapi.Cluster, targetClient kubeclientset.Interface) (cache.Store, cache.Controller) {
glog.V(4).Infof("Returning new informer for cluster %q", cluster.Name)
return cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options v1.ListOptions) (pkgruntime.Object, error) {
if targetClient == nil {
glog.Errorf("Internal error: targetClient is nil")
}
return targetClient.Core().ConfigMaps(uidConfigMapNamespace).List(options) // we only want to list one by name - unfortunately Kubernetes don't have a selector for that.
},
WatchFunc: func(options v1.ListOptions) (watch.Interface, error) {
if targetClient == nil {
glog.Errorf("Internal error: targetClient is nil")
}
return targetClient.Core().ConfigMaps(uidConfigMapNamespace).Watch(options) // as above
},
},
&v1.ConfigMap{},
controller.NoResyncPeriodFunc(),
// Trigger reconciliation whenever the ingress controller's configmap in a federated cluster is changed. In most cases it
// would be just confirmation that the configmap for the ingress controller is correct.
util.NewTriggerOnAllChanges(
func(obj pkgruntime.Object) {
ic.deliverConfigMapObj(cluster.Name, obj, ic.configMapReviewDelay, false)
},
))
},
&util.ClusterLifecycleHandlerFuncs{
ClusterAvailable: func(cluster *federationapi.Cluster) {
ic.clusterDeliverer.DeliverAfter(cluster.Name, cluster, ic.clusterAvailableDelay)
},
},
)
// Federated ingress updater along with Create/Update/Delete operations.
ic.federatedIngressUpdater = util.NewFederatedUpdater(ic.ingressFederatedInformer,
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
ingress := obj.(*extensionsv1beta1.Ingress)
glog.V(4).Infof("Attempting to create Ingress: %v", ingress)
_, err := client.Extensions().Ingresses(ingress.Namespace).Create(ingress)
if err != nil {
glog.Errorf("Error creating ingress %q: %v", types.NamespacedName{Name: ingress.Name, Namespace: ingress.Namespace}, err)
} else {
glog.V(4).Infof("Successfully created ingress %q", types.NamespacedName{Name: ingress.Name, Namespace: ingress.Namespace})
}
return err
},
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
ingress := obj.(*extensionsv1beta1.Ingress)
glog.V(4).Infof("Attempting to update Ingress: %v", ingress)
_, err := client.Extensions().Ingresses(ingress.Namespace).Update(ingress)
if err != nil {
glog.V(4).Infof("Failed to update Ingress: %v", err)
} else {
glog.V(4).Infof("Successfully updated Ingress: %q", types.NamespacedName{Name: ingress.Name, Namespace: ingress.Namespace})
}
return err
},
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
ingress := obj.(*extensionsv1beta1.Ingress)
glog.V(4).Infof("Attempting to delete Ingress: %v", ingress)
err := client.Extensions().Ingresses(ingress.Namespace).Delete(ingress.Name, &v1.DeleteOptions{})
return err
})
// Federated configmap updater along with Create/Update/Delete operations. Only Update should ever be called.
ic.federatedConfigMapUpdater = util.NewFederatedUpdater(ic.configMapFederatedInformer,
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
configMap := obj.(*v1.ConfigMap)
configMapName := types.NamespacedName{Name: configMap.Name, Namespace: configMap.Namespace}
glog.Errorf("Internal error: Incorrectly attempting to create ConfigMap: %q", configMapName)
_, err := client.Core().ConfigMaps(configMap.Namespace).Create(configMap)
return err
},
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
configMap := obj.(*v1.ConfigMap)
configMapName := types.NamespacedName{Name: configMap.Name, Namespace: configMap.Namespace}
glog.V(4).Infof("Attempting to update ConfigMap: %v", configMap)
_, err := client.Core().ConfigMaps(configMap.Namespace).Update(configMap)
if err == nil {
glog.V(4).Infof("Successfully updated ConfigMap %q", configMapName)
} else {
glog.V(4).Infof("Failed to update ConfigMap %q: %v", configMapName, err)
}
return err
},
func(client kubeclientset.Interface, obj pkgruntime.Object) error {
configMap := obj.(*v1.ConfigMap)
configMapName := types.NamespacedName{Name: configMap.Name, Namespace: configMap.Namespace}
glog.Errorf("Internal error: Incorrectly attempting to delete ConfigMap: %q", configMapName)
err := client.Core().ConfigMaps(configMap.Namespace).Delete(configMap.Name, &v1.DeleteOptions{})
return err
})
ic.deletionHelper = deletionhelper.NewDeletionHelper(
ic.hasFinalizerFunc,
ic.removeFinalizerFunc,
ic.addFinalizerFunc,
// objNameFunc
func(obj pkgruntime.Object) string {
ingress := obj.(*extensionsv1beta1.Ingress)
return ingress.Name
},
ic.updateTimeout,
ic.eventRecorder,
ic.ingressFederatedInformer,
ic.federatedIngressUpdater,
)
return ic
}
func TestSyncPodWithInitContainers(t *testing.T) {
fakeRuntime, _, m, err := createTestRuntimeManager()
assert.NoError(t, err)
initContainers := []v1.Container{
{
Name: "init1",
Image: "init",
ImagePullPolicy: v1.PullIfNotPresent,
},
}
containers := []v1.Container{
{
Name: "foo1",
Image: "busybox",
ImagePullPolicy: v1.PullIfNotPresent,
},
{
Name: "foo2",
Image: "alpine",
ImagePullPolicy: v1.PullIfNotPresent,
},
}
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
UID: "12345678",
Name: "foo",
Namespace: "new",
},
Spec: v1.PodSpec{
Containers: containers,
InitContainers: initContainers,
},
}
// buildContainerID is an internal helper function to build container id from api pod
// and container with default attempt number 0.
buildContainerID := func(pod *v1.Pod, container v1.Container) string {
uid := string(pod.UID)
sandboxID := apitest.BuildSandboxName(&runtimeapi.PodSandboxMetadata{
Name: &pod.Name,
Uid: &uid,
Namespace: &pod.Namespace,
})
return apitest.BuildContainerName(&runtimeapi.ContainerMetadata{Name: &container.Name}, sandboxID)
}
backOff := flowcontrol.NewBackOff(time.Second, time.Minute)
// 1. should only create the init container.
podStatus, err := m.GetPodStatus(pod.UID, pod.Name, pod.Namespace)
assert.NoError(t, err)
result := m.SyncPod(pod, v1.PodStatus{}, podStatus, []v1.Secret{}, backOff)
assert.NoError(t, result.Error())
assert.Equal(t, 1, len(fakeRuntime.Containers))
initContainerID := buildContainerID(pod, initContainers[0])
expectedContainers := []string{initContainerID}
if actual, ok := verifyFakeContainerList(fakeRuntime, expectedContainers); !ok {
t.Errorf("expected %q, got %q", expectedContainers, actual)
}
// 2. should not create app container because init container is still running.
podStatus, err = m.GetPodStatus(pod.UID, pod.Name, pod.Namespace)
assert.NoError(t, err)
result = m.SyncPod(pod, v1.PodStatus{}, podStatus, []v1.Secret{}, backOff)
assert.NoError(t, result.Error())
assert.Equal(t, 1, len(fakeRuntime.Containers))
expectedContainers = []string{initContainerID}
if actual, ok := verifyFakeContainerList(fakeRuntime, expectedContainers); !ok {
t.Errorf("expected %q, got %q", expectedContainers, actual)
}
// 3. should create all app containers because init container finished.
fakeRuntime.StopContainer(initContainerID, 0)
podStatus, err = m.GetPodStatus(pod.UID, pod.Name, pod.Namespace)
assert.NoError(t, err)
result = m.SyncPod(pod, v1.PodStatus{}, podStatus, []v1.Secret{}, backOff)
assert.NoError(t, result.Error())
assert.Equal(t, 3, len(fakeRuntime.Containers))
expectedContainers = []string{initContainerID, buildContainerID(pod, containers[0]),
buildContainerID(pod, containers[1])}
if actual, ok := verifyFakeContainerList(fakeRuntime, expectedContainers); !ok {
t.Errorf("expected %q, got %q", expectedContainers, actual)
}
}