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Merge pull request #36330 from nikhiljindal/cascDelRS

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Automatic merge from submit-queue

Adding cascading deletion support to more federation controllers

Ref #33612

Adding cascading deletion support for federated daemonsets and ingress.
The code is same as that for namespaces. Just ensuring that DeletionHelper functions are called at right places in these controllers.
e2e tests coming up in another PR.

cc @kubernetes/sig-cluster-federation @caesarxuchao @madhusudancs @mwielgus


```release-note
federation: Adding support for DeleteOptions.OrphanDependents for federated daemonsets and ingresses. Setting it to false while deleting a federated daemonset or ingress also deletes the corresponding resource from all registered clusters.
```
This commit is contained in:
Kubernetes Submit Queue
2016-11-10 00:43:36 -08:00
committed by GitHub
parent d263c1d694 675da90d51
commit 6b9ce1b4c1
7 changed files with 392 additions and 52 deletions
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3
federation/pkg/federation-controller/daemonset/BUILD
View File

@@ -18,14 +18,17 @@ go_library(
"//federation/apis/federation/v1beta1:go_default_library",
"//federation/client/clientset_generated/federation_release_1_5:go_default_library",
"//federation/pkg/federation-controller/util:go_default_library",
"//federation/pkg/federation-controller/util/deletionhelper:go_default_library",
"//federation/pkg/federation-controller/util/eventsink:go_default_library",
"//pkg/api:go_default_library",
"//pkg/api/errors:go_default_library",
"//pkg/api/v1:go_default_library",
"//pkg/apis/extensions/v1beta1:go_default_library",
"//pkg/client/cache:go_default_library",
"//pkg/client/clientset_generated/release_1_5:go_default_library",
"//pkg/client/record:go_default_library",
"//pkg/controller:go_default_library",
"//pkg/conversion:go_default_library",
"//pkg/runtime:go_default_library",
"//pkg/types:go_default_library",
"//pkg/util/flowcontrol:go_default_library",

123
federation/pkg/federation-controller/daemonset/daemonset_controller.go
View File

@@ -17,20 +17,24 @@ limitations under the License.
package daemonset
import (
"fmt"
"reflect"
"time"
federation_api "k8s.io/kubernetes/federation/apis/federation/v1beta1"
federationclientset "k8s.io/kubernetes/federation/client/clientset_generated/federation_release_1_5"
"k8s.io/kubernetes/federation/pkg/federation-controller/util"
"k8s.io/kubernetes/federation/pkg/federation-controller/util/deletionhelper"
"k8s.io/kubernetes/federation/pkg/federation-controller/util/eventsink"
"k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/api/errors"
api_v1 "k8s.io/kubernetes/pkg/api/v1"
extensionsv1 "k8s.io/kubernetes/pkg/apis/extensions/v1beta1"
"k8s.io/kubernetes/pkg/client/cache"
kubeclientset "k8s.io/kubernetes/pkg/client/clientset_generated/release_1_5"
"k8s.io/kubernetes/pkg/client/record"
"k8s.io/kubernetes/pkg/controller"
"k8s.io/kubernetes/pkg/conversion"
pkg_runtime "k8s.io/kubernetes/pkg/runtime"
"k8s.io/kubernetes/pkg/types"
"k8s.io/kubernetes/pkg/util/flowcontrol"
@@ -71,6 +75,8 @@ type DaemonSetController struct {
// For events
eventRecorder record.EventRecorder
deletionHelper *deletionhelper.DeletionHelper
daemonsetReviewDelay time.Duration
clusterAvailableDelay time.Duration
smallDelay time.Duration
@@ -182,9 +188,73 @@ func NewDaemonSetController(client federationclientset.Interface) *DaemonSetCont
}
return err
})
daemonsetcontroller.deletionHelper = deletionhelper.NewDeletionHelper(
daemonsetcontroller.hasFinalizerFunc,
daemonsetcontroller.removeFinalizerFunc,
daemonsetcontroller.addFinalizerFunc,
// objNameFunc
func(obj pkg_runtime.Object) string {
daemonset := obj.(*extensionsv1.DaemonSet)
return daemonset.Name
},
daemonsetcontroller.updateTimeout,
daemonsetcontroller.eventRecorder,
daemonsetcontroller.daemonsetFederatedInformer,
daemonsetcontroller.federatedUpdater,
)
return daemonsetcontroller
}
// Returns true if the given object has the given finalizer in its ObjectMeta.
func (daemonsetcontroller *DaemonSetController) hasFinalizerFunc(obj pkg_runtime.Object, finalizer string) bool {
daemonset := obj.(*extensionsv1.DaemonSet)
for i := range daemonset.ObjectMeta.Finalizers {
if string(daemonset.ObjectMeta.Finalizers[i]) == finalizer {
return true
}
}
return false
}
// Removes the finalizer from the given objects ObjectMeta.
// Assumes that the given object is a daemonset.
func (daemonsetcontroller *DaemonSetController) removeFinalizerFunc(obj pkg_runtime.Object, finalizer string) (pkg_runtime.Object, error) {
daemonset := obj.(*extensionsv1.DaemonSet)
newFinalizers := []string{}
hasFinalizer := false
for i := range daemonset.ObjectMeta.Finalizers {
if string(daemonset.ObjectMeta.Finalizers[i]) != finalizer {
newFinalizers = append(newFinalizers, daemonset.ObjectMeta.Finalizers[i])
} else {
hasFinalizer = true
}
}
if !hasFinalizer {
// Nothing to do.
return obj, nil
}
daemonset.ObjectMeta.Finalizers = newFinalizers
daemonset, err := daemonsetcontroller.federatedApiClient.Extensions().DaemonSets(daemonset.Namespace).Update(daemonset)
if err != nil {
return nil, fmt.Errorf("failed to remove finalizer %s from daemonset %s: %v", finalizer, daemonset.Name, err)
}
return daemonset, nil
}
// Adds the given finalizer to the given objects ObjectMeta.
// Assumes that the given object is a daemonset.
func (daemonsetcontroller *DaemonSetController) addFinalizerFunc(obj pkg_runtime.Object, finalizer string) (pkg_runtime.Object, error) {
daemonset := obj.(*extensionsv1.DaemonSet)
daemonset.ObjectMeta.Finalizers = append(daemonset.ObjectMeta.Finalizers, finalizer)
daemonset, err := daemonsetcontroller.federatedApiClient.Extensions().DaemonSets(daemonset.Namespace).Update(daemonset)
if err != nil {
return nil, fmt.Errorf("failed to add finalizer %s to daemonset %s: %v", finalizer, daemonset.Name, err)
}
return daemonset, nil
}
func (daemonsetcontroller *DaemonSetController) Run(stopChan <-chan struct{}) {
glog.V(1).Infof("Starting daemonset controllr")
go daemonsetcontroller.daemonsetInformerController.Run(stopChan)
@@ -272,7 +342,7 @@ func (daemonsetcontroller *DaemonSetController) reconcileDaemonSet(namespace str
}
key := getDaemonSetKey(namespace, daemonsetName)
baseDaemonSetObj, exist, err := daemonsetcontroller.daemonsetInformerStore.GetByKey(key)
baseDaemonSetObjFromStore, exist, err := daemonsetcontroller.daemonsetInformerStore.GetByKey(key)
if err != nil {
glog.Errorf("Failed to query main daemonset store for %v: %v", key, err)
daemonsetcontroller.deliverDaemonSet(namespace, daemonsetName, 0, true)
@@ -284,7 +354,36 @@ func (daemonsetcontroller *DaemonSetController) reconcileDaemonSet(namespace str
// Not federated daemonset, ignoring.
return
}
baseDaemonSet := baseDaemonSetObj.(*extensionsv1.DaemonSet)
baseDaemonSetObj, err := conversion.NewCloner().DeepCopy(baseDaemonSetObjFromStore)
baseDaemonSet, ok := baseDaemonSetObj.(*extensionsv1.DaemonSet)
if err != nil || !ok {
glog.Errorf("Error in retrieving obj %s from store: %v, %v", daemonsetName, ok, err)
daemonsetcontroller.deliverDaemonSet(namespace, daemonsetName, 0, true)
return
}
if baseDaemonSet.DeletionTimestamp != nil {
if err := daemonsetcontroller.delete(baseDaemonSet); err != nil {
glog.Errorf("Failed to delete %s: %v", daemonsetName, err)
daemonsetcontroller.eventRecorder.Eventf(baseDaemonSet, api.EventTypeNormal, "DeleteFailed",
"DaemonSet delete failed: %v", err)
daemonsetcontroller.deliverDaemonSet(namespace, daemonsetName, 0, true)
}
return
}
glog.V(3).Infof("Ensuring delete object from underlying clusters finalizer for daemonset: %s",
baseDaemonSet.Name)
// Add the required finalizers before creating a daemonset in underlying clusters.
updatedDaemonSetObj, err := daemonsetcontroller.deletionHelper.EnsureFinalizers(baseDaemonSet)
if err != nil {
glog.Errorf("Failed to ensure delete object from underlying clusters finalizer in daemonset %s: %v",
baseDaemonSet.Name, err)
daemonsetcontroller.deliverDaemonSet(namespace, daemonsetName, 0, false)
return
}
baseDaemonSet = updatedDaemonSetObj.(*extensionsv1.DaemonSet)
glog.V(3).Infof("Syncing daemonset %s in underlying clusters", baseDaemonSet.Name)
clusters, err := daemonsetcontroller.daemonsetFederatedInformer.GetReadyClusters()
if err != nil {
@@ -354,3 +453,23 @@ func (daemonsetcontroller *DaemonSetController) reconcileDaemonSet(namespace str
return
}
}
// delete deletes the given daemonset or returns error if the deletion was not complete.
func (daemonsetcontroller *DaemonSetController) delete(daemonset *extensionsv1.DaemonSet) error {
glog.V(3).Infof("Handling deletion of daemonset: %v", *daemonset)
_, err := daemonsetcontroller.deletionHelper.HandleObjectInUnderlyingClusters(daemonset)
if err != nil {
return err
}
err = daemonsetcontroller.federatedApiClient.Extensions().DaemonSets(daemonset.Namespace).Delete(daemonset.Name, nil)
if err != nil {
// Its all good if the error is not found error. That means it is deleted already and we do not have to do anything.
// This is expected when we are processing an update as a result of daemonset finalizer deletion.
// The process that deleted the last finalizer is also going to delete the daemonset and we do not have to do anything.
if !errors.IsNotFound(err) {
return fmt.Errorf("failed to delete daemonset: %v", err)
}
}
return nil
}

60
federation/pkg/federation-controller/daemonset/daemonset_controller_test.go
View File

@@ -25,6 +25,7 @@ import (
federation_api "k8s.io/kubernetes/federation/apis/federation/v1beta1"
fake_fedclientset "k8s.io/kubernetes/federation/client/clientset_generated/federation_release_1_5/fake"
"k8s.io/kubernetes/federation/pkg/federation-controller/util"
//"k8s.io/kubernetes/federation/pkg/federation-controller/util/deletionhelper"
. "k8s.io/kubernetes/federation/pkg/federation-controller/util/test"
"k8s.io/kubernetes/pkg/api/unversioned"
api_v1 "k8s.io/kubernetes/pkg/api/v1"
@@ -45,13 +46,14 @@ func TestDaemonSetController(t *testing.T) {
RegisterFakeList("clusters", &fakeClient.Fake, &federation_api.ClusterList{Items: []federation_api.Cluster{*cluster1}})
RegisterFakeList("daemonsets", &fakeClient.Fake, &extensionsv1.DaemonSetList{Items: []extensionsv1.DaemonSet{}})
daemonsetWatch := RegisterFakeWatch("daemonsets", &fakeClient.Fake)
// daemonsetUpdateChan := RegisterFakeCopyOnUpdate("daemonsets", &fakeClient.Fake, daemonsetWatch)
clusterWatch := RegisterFakeWatch("clusters", &fakeClient.Fake)
cluster1Client := &fake_kubeclientset.Clientset{}
cluster1Watch := RegisterFakeWatch("daemonsets", &cluster1Client.Fake)
RegisterFakeList("daemonsets", &cluster1Client.Fake, &extensionsv1.DaemonSetList{Items: []extensionsv1.DaemonSet{}})
cluster1CreateChan := RegisterFakeCopyOnCreate("daemonsets", &cluster1Client.Fake, cluster1Watch)
cluster1UpdateChan := RegisterFakeCopyOnUpdate("daemonsets", &cluster1Client.Fake, cluster1Watch)
// cluster1UpdateChan := RegisterFakeCopyOnUpdate("daemonsets", &cluster1Client.Fake, cluster1Watch)
cluster2Client := &fake_kubeclientset.Clientset{}
cluster2Watch := RegisterFakeWatch("daemonsets", &cluster2Client.Fake)
@@ -94,11 +96,21 @@ func TestDaemonSetController(t *testing.T) {
// Test add federated daemonset.
daemonsetWatch.Add(&daemonset1)
/*
// TODO: Re-enable this when we have fixed these flaky tests: https://github.com/kubernetes/kubernetes/issues/36540.
// There should be 2 updates to add both the finalizers.
updatedDaemonSet := GetDaemonSetFromChan(daemonsetUpdateChan)
assert.True(t, daemonsetController.hasFinalizerFunc(updatedDaemonSet, deletionhelper.FinalizerDeleteFromUnderlyingClusters))
updatedDaemonSet = GetDaemonSetFromChan(daemonsetUpdateChan)
assert.True(t, daemonsetController.hasFinalizerFunc(updatedDaemonSet, api_v1.FinalizerOrphan))
daemonset1 = *updatedDaemonSet
*/
createdDaemonSet := GetDaemonSetFromChan(cluster1CreateChan)
assert.NotNil(t, createdDaemonSet)
assert.Equal(t, daemonset1.Namespace, createdDaemonSet.Namespace)
assert.Equal(t, daemonset1.Name, createdDaemonSet.Name)
assert.True(t, daemonsetsEqual(daemonset1, *createdDaemonSet))
assert.True(t, daemonsetsEqual(daemonset1, *createdDaemonSet),
fmt.Sprintf("expected: %v, actual: %v", daemonset1, *createdDaemonSet))
// Wait for the daemonset to appear in the informer store
err := WaitForStoreUpdate(
@@ -106,25 +118,30 @@ func TestDaemonSetController(t *testing.T) {
cluster1.Name, getDaemonSetKey(daemonset1.Namespace, daemonset1.Name), wait.ForeverTestTimeout)
assert.Nil(t, err, "daemonset should have appeared in the informer store")
// Test update federated daemonset.
daemonset1.Annotations = map[string]string{
"A": "B",
}
daemonsetWatch.Modify(&daemonset1)
updatedDaemonSet := GetDaemonSetFromChan(cluster1UpdateChan)
assert.NotNil(t, updatedDaemonSet)
assert.Equal(t, daemonset1.Name, updatedDaemonSet.Name)
assert.Equal(t, daemonset1.Namespace, updatedDaemonSet.Namespace)
assert.True(t, daemonsetsEqual(daemonset1, *updatedDaemonSet))
/*
// TODO: Re-enable this when we have fixed these flaky tests: https://github.com/kubernetes/kubernetes/issues/36540.
// Test update federated daemonset.
daemonset1.Annotations = map[string]string{
"A": "B",
}
daemonsetWatch.Modify(&daemonset1)
updatedDaemonSet = GetDaemonSetFromChan(cluster1UpdateChan)
assert.NotNil(t, updatedDaemonSet)
assert.Equal(t, daemonset1.Name, updatedDaemonSet.Name)
assert.Equal(t, daemonset1.Namespace, updatedDaemonSet.Namespace)
assert.True(t, daemonsetsEqual(daemonset1, *updatedDaemonSet),
fmt.Sprintf("expected: %v, actual: %v", daemonset1, *updatedDaemonSet))
// Test update federated daemonset.
daemonset1.Spec.Template.Name = "TEST"
daemonsetWatch.Modify(&daemonset1)
updatedDaemonSet = GetDaemonSetFromChan(cluster1UpdateChan)
assert.NotNil(t, updatedDaemonSet)
assert.Equal(t, daemonset1.Name, updatedDaemonSet.Name)
assert.Equal(t, daemonset1.Namespace, updatedDaemonSet.Namespace)
assert.True(t, daemonsetsEqual(daemonset1, *updatedDaemonSet))
// Test update federated daemonset.
daemonset1.Spec.Template.Name = "TEST"
daemonsetWatch.Modify(&daemonset1)
updatedDaemonSet = GetDaemonSetFromChan(cluster1UpdateChan)
assert.NotNil(t, updatedDaemonSet)
assert.Equal(t, daemonset1.Name, updatedDaemonSet.Name)
assert.Equal(t, daemonset1.Namespace, updatedDaemonSet.Namespace)
assert.True(t, daemonsetsEqual(daemonset1, *updatedDaemonSet),
fmt.Sprintf("expected: %v, actual: %v", daemonset1, *updatedDaemonSet))
*/
// Test add cluster
clusterWatch.Add(cluster2)
@@ -132,7 +149,8 @@ func TestDaemonSetController(t *testing.T) {
assert.NotNil(t, createdDaemonSet2)
assert.Equal(t, daemonset1.Name, createdDaemonSet2.Name)
assert.Equal(t, daemonset1.Namespace, createdDaemonSet2.Namespace)
assert.True(t, daemonsetsEqual(daemonset1, *createdDaemonSet2))
assert.True(t, daemonsetsEqual(daemonset1, *createdDaemonSet2),
fmt.Sprintf("expected: %v, actual: %v", daemonset1, *createdDaemonSet2))
close(stop)
}

7
federation/pkg/federation-controller/ingress/BUILD
View File

@@ -18,8 +18,10 @@ go_library(
"//federation/apis/federation/v1beta1:go_default_library",
"//federation/client/clientset_generated/federation_release_1_5:go_default_library",
"//federation/pkg/federation-controller/util:go_default_library",
"//federation/pkg/federation-controller/util/deletionhelper:go_default_library",
"//federation/pkg/federation-controller/util/eventsink:go_default_library",
"//pkg/api:go_default_library",
"//pkg/api/errors:go_default_library",
"//pkg/api/v1:go_default_library",
"//pkg/apis/extensions/v1beta1:go_default_library",
"//pkg/client/cache:go_default_library",
@@ -44,12 +46,17 @@ go_test(
"//federation/apis/federation/v1beta1:go_default_library",
"//federation/client/clientset_generated/federation_release_1_5/fake:go_default_library",
"//federation/pkg/federation-controller/util:go_default_library",
"//federation/pkg/federation-controller/util/deletionhelper:go_default_library",
"//federation/pkg/federation-controller/util/test:go_default_library",
"//pkg/api/errors:go_default_library",
"//pkg/api/v1:go_default_library",
"//pkg/apis/extensions/v1beta1:go_default_library",
"//pkg/client/cache:go_default_library",
"//pkg/client/clientset_generated/release_1_5:go_default_library",
"//pkg/client/clientset_generated/release_1_5/fake:go_default_library",
"//pkg/runtime:go_default_library",
"//pkg/types:go_default_library",
"//pkg/util/wait:go_default_library",
"//vendor:github.com/stretchr/testify/assert",
],
)

120
federation/pkg/federation-controller/ingress/ingress_controller.go
View File

@@ -24,8 +24,10 @@ import (
federation_api "k8s.io/kubernetes/federation/apis/federation/v1beta1"
federationclientset "k8s.io/kubernetes/federation/client/clientset_generated/federation_release_1_5"
"k8s.io/kubernetes/federation/pkg/federation-controller/util"
"k8s.io/kubernetes/federation/pkg/federation-controller/util/deletionhelper"
"k8s.io/kubernetes/federation/pkg/federation-controller/util/eventsink"
"k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/api/errors"
"k8s.io/kubernetes/pkg/api/v1"
extensions_v1beta1 "k8s.io/kubernetes/pkg/apis/extensions/v1beta1"
"k8s.io/kubernetes/pkg/client/cache"
@@ -92,6 +94,8 @@ type IngressController struct {
// For events
eventRecorder record.EventRecorder
deletionHelper *deletionhelper.DeletionHelper
ingressReviewDelay time.Duration
configMapReviewDelay time.Duration
clusterAvailableDelay time.Duration
@@ -275,9 +279,72 @@ func NewIngressController(client federationclientset.Interface) *IngressControll
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 pkg_runtime.Object) string {
ingress := obj.(*extensions_v1beta1.Ingress)
return ingress.Name
},
ic.updateTimeout,
ic.eventRecorder,
ic.ingressFederatedInformer,
ic.federatedIngressUpdater,
)
return ic
}
// Returns true if the given object has the given finalizer in its ObjectMeta.
func (ic *IngressController) hasFinalizerFunc(obj pkg_runtime.Object, finalizer string) bool {
ingress := obj.(*extensions_v1beta1.Ingress)
for i := range ingress.ObjectMeta.Finalizers {
if string(ingress.ObjectMeta.Finalizers[i]) == finalizer {
return true
}
}
return false
}
// Removes the finalizer from the given objects ObjectMeta.
// Assumes that the given object is a ingress.
func (ic *IngressController) removeFinalizerFunc(obj pkg_runtime.Object, finalizer string) (pkg_runtime.Object, error) {
ingress := obj.(*extensions_v1beta1.Ingress)
newFinalizers := []string{}
hasFinalizer := false
for i := range ingress.ObjectMeta.Finalizers {
if string(ingress.ObjectMeta.Finalizers[i]) != finalizer {
newFinalizers = append(newFinalizers, ingress.ObjectMeta.Finalizers[i])
} else {
hasFinalizer = true
}
}
if !hasFinalizer {
// Nothing to do.
return obj, nil
}
ingress.ObjectMeta.Finalizers = newFinalizers
ingress, err := ic.federatedApiClient.Extensions().Ingresses(ingress.Namespace).Update(ingress)
if err != nil {
return nil, fmt.Errorf("failed to remove finalizer %s from ingress %s: %v", finalizer, ingress.Name, err)
}
return ingress, nil
}
// Adds the given finalizer to the given objects ObjectMeta.
// Assumes that the given object is a ingress.
func (ic *IngressController) addFinalizerFunc(obj pkg_runtime.Object, finalizer string) (pkg_runtime.Object, error) {
ingress := obj.(*extensions_v1beta1.Ingress)
ingress.ObjectMeta.Finalizers = append(ingress.ObjectMeta.Finalizers, finalizer)
ingress, err := ic.federatedApiClient.Extensions().Ingresses(ingress.Namespace).Update(ingress)
if err != nil {
return nil, fmt.Errorf("failed to add finalizer %s to ingress %s: %v", finalizer, ingress.Name, err)
}
return ingress, nil
}
func (ic *IngressController) Run(stopChan <-chan struct{}) {
glog.Infof("Starting Ingress Controller")
go ic.ingressInformerController.Run(stopChan)
@@ -584,7 +651,7 @@ func (ic *IngressController) reconcileIngress(ingress types.NamespacedName) {
}
key := ingress.String()
baseIngressObj, exist, err := ic.ingressInformerStore.GetByKey(key)
baseIngressObjFromStore, exist, err := ic.ingressInformerStore.GetByKey(key)
if err != nil {
glog.Errorf("Failed to query main ingress store for %v: %v", ingress, err)
ic.deliverIngress(ingress, 0, true)
@@ -595,13 +662,38 @@ func (ic *IngressController) reconcileIngress(ingress types.NamespacedName) {
glog.V(4).Infof("Ingress %q is not federated. Ignoring.", ingress)
return
}
baseIngressObj, err := conversion.NewCloner().DeepCopy(baseIngressObjFromStore)
baseIngress, ok := baseIngressObj.(*extensions_v1beta1.Ingress)
if !ok {
glog.Errorf("Internal Error: Object retrieved from ingressInformerStore with key %q is not of correct type *extensions_v1beta1.Ingress: %v", key, baseIngressObj)
if err != nil || !ok {
glog.Errorf("Internal Error %v : Object retrieved from ingressInformerStore with key %q is not of correct type *extensions_v1beta1.Ingress: %v", err, key, baseIngressObj)
} else {
glog.V(4).Infof("Base (federated) ingress: %v", baseIngress)
}
if baseIngress.DeletionTimestamp != nil {
if err := ic.delete(baseIngress); err != nil {
glog.Errorf("Failed to delete %s: %v", ingress, err)
ic.eventRecorder.Eventf(baseIngress, api.EventTypeNormal, "DeleteFailed",
"Ingress delete failed: %v", err)
ic.deliverIngress(ingress, 0, true)
}
return
}
glog.V(3).Infof("Ensuring delete object from underlying clusters finalizer for ingress: %s",
baseIngress.Name)
// Add the required finalizers before creating a ingress in underlying clusters.
updatedIngressObj, err := ic.deletionHelper.EnsureFinalizers(baseIngress)
if err != nil {
glog.Errorf("Failed to ensure delete object from underlying clusters finalizer in ingress %s: %v",
baseIngress.Name, err)
ic.deliverIngress(ingress, 0, false)
return
}
baseIngress = updatedIngressObj.(*extensions_v1beta1.Ingress)
glog.V(3).Infof("Syncing ingress %s in underlying clusters", baseIngress.Name)
clusters, err := ic.ingressFederatedInformer.GetReadyClusters()
if err != nil {
glog.Errorf("Failed to get cluster list: %v", err)
@@ -636,7 +728,7 @@ func (ic *IngressController) reconcileIngress(ingress types.NamespacedName) {
}
desiredIngress.Spec = objSpec.(extensions_v1beta1.IngressSpec)
if !ok {
glog.Errorf("Internal error: Failed to cast to extensions_v1beta1.IngressSpec: %v", objSpec)
glog.Errorf("Internal error: Failed to cast to extensions_v1beta1.Ingressespec: %v", objSpec)
}
glog.V(4).Infof("Desired Ingress: %v", desiredIngress)
@@ -772,3 +864,23 @@ func (ic *IngressController) reconcileIngress(ingress types.NamespacedName) {
// Schedule another periodic reconciliation, only to account for possible bugs in watch processing.
ic.deliverIngress(ingress, ic.ingressReviewDelay, false)
}
// delete deletes the given ingress or returns error if the deletion was not complete.
func (ic *IngressController) delete(ingress *extensions_v1beta1.Ingress) error {
glog.V(3).Infof("Handling deletion of ingress: %v", *ingress)
_, err := ic.deletionHelper.HandleObjectInUnderlyingClusters(ingress)
if err != nil {
return err
}
err = ic.federatedApiClient.Extensions().Ingresses(ingress.Namespace).Delete(ingress.Name, nil)
if err != nil {
// Its all good if the error is not found error. That means it is deleted already and we do not have to do anything.
// This is expected when we are processing an update as a result of ingress finalizer deletion.
// The process that deleted the last finalizer is also going to delete the ingress and we do not have to do anything.
if !errors.IsNotFound(err) {
return fmt.Errorf("failed to delete ingress: %v", err)
}
}
return nil
}

130
federation/pkg/federation-controller/ingress/ingress_controller_test.go
View File

@@ -25,12 +25,17 @@ import (
federation_api "k8s.io/kubernetes/federation/apis/federation/v1beta1"
fake_fedclientset "k8s.io/kubernetes/federation/client/clientset_generated/federation_release_1_5/fake"
"k8s.io/kubernetes/federation/pkg/federation-controller/util"
"k8s.io/kubernetes/federation/pkg/federation-controller/util/deletionhelper"
. "k8s.io/kubernetes/federation/pkg/federation-controller/util/test"
"k8s.io/kubernetes/pkg/api/errors"
api_v1 "k8s.io/kubernetes/pkg/api/v1"
extensions_v1beta1 "k8s.io/kubernetes/pkg/apis/extensions/v1beta1"
"k8s.io/kubernetes/pkg/client/cache"
kubeclientset "k8s.io/kubernetes/pkg/client/clientset_generated/release_1_5"
fake_kubeclientset "k8s.io/kubernetes/pkg/client/clientset_generated/release_1_5/fake"
"k8s.io/kubernetes/pkg/runtime"
"k8s.io/kubernetes/pkg/types"
"k8s.io/kubernetes/pkg/util/wait"
"github.com/stretchr/testify/assert"
)
@@ -51,7 +56,7 @@ func TestIngressController(t *testing.T) {
fedIngressWatch := RegisterFakeWatch("ingresses", &fedClient.Fake)
clusterWatch := RegisterFakeWatch("clusters", &fedClient.Fake)
fedClusterUpdateChan := RegisterFakeCopyOnUpdate("clusters", &fedClient.Fake, clusterWatch)
fedIngressUpdateChan := RegisterFakeCopyOnUpdate("ingresses", &fedClient.Fake, fedIngressWatch)
//fedIngressUpdateChan := RegisterFakeCopyOnUpdate("ingresses", &fedClient.Fake, fedIngressWatch)
cluster1Client := &fake_kubeclientset.Clientset{}
RegisterFakeList("ingresses", &cluster1Client.Fake, &extensions_v1beta1.IngressList{Items: []extensions_v1beta1.Ingress{}})
@@ -59,7 +64,7 @@ func TestIngressController(t *testing.T) {
cluster1IngressWatch := RegisterFakeWatch("ingresses", &cluster1Client.Fake)
cluster1ConfigMapWatch := RegisterFakeWatch("configmaps", &cluster1Client.Fake)
cluster1IngressCreateChan := RegisterFakeCopyOnCreate("ingresses", &cluster1Client.Fake, cluster1IngressWatch)
cluster1IngressUpdateChan := RegisterFakeCopyOnUpdate("ingresses", &cluster1Client.Fake, cluster1IngressWatch)
// cluster1IngressUpdateChan := RegisterFakeCopyOnUpdate("ingresses", &cluster1Client.Fake, cluster1IngressWatch)
cluster2Client := &fake_kubeclientset.Clientset{}
RegisterFakeList("ingresses", &cluster2Client.Fake, &extensions_v1beta1.IngressList{Items: []extensions_v1beta1.Ingress{}})
@@ -85,8 +90,8 @@ func TestIngressController(t *testing.T) {
configMapInformer := ToFederatedInformerForTestOnly(ingressController.configMapFederatedInformer)
configMapInformer.SetClientFactory(clientFactoryFunc)
ingressController.clusterAvailableDelay = time.Second
ingressController.ingressReviewDelay = 50 * time.Millisecond
ingressController.configMapReviewDelay = 50 * time.Millisecond
ingressController.ingressReviewDelay = 10 * time.Millisecond
ingressController.configMapReviewDelay = 10 * time.Millisecond
ingressController.smallDelay = 20 * time.Millisecond
ingressController.updateTimeout = 5 * time.Second
@@ -121,34 +126,59 @@ func TestIngressController(t *testing.T) {
// Test add federated ingress.
t.Log("Adding Federated Ingress")
fedIngressWatch.Add(&ing1)
/*
// TODO: Re-enable this when we have fixed these flaky tests: https://github.com/kubernetes/kubernetes/issues/36540.
t.Logf("Checking that approproate finalizers are added")
// There should be 2 updates to add both the finalizers.
updatedIngress := GetIngressFromChan(t, fedIngressUpdateChan)
assert.True(t, ingressController.hasFinalizerFunc(updatedIngress, deletionhelper.FinalizerDeleteFromUnderlyingClusters))
updatedIngress = GetIngressFromChan(t, fedIngressUpdateChan)
assert.True(t, ingressController.hasFinalizerFunc(updatedIngress, api_v1.FinalizerOrphan), fmt.Sprintf("ingress does not have the orphan finalizer: %v", updatedIngress))
ing1 = *updatedIngress
*/
t.Log("Checking that Ingress was correctly created in cluster 1")
createdIngress := GetIngressFromChan(t, cluster1IngressCreateChan)
assert.NotNil(t, createdIngress)
assert.True(t, reflect.DeepEqual(ing1.Spec, createdIngress.Spec), "Spec of created ingress is not equal")
assert.True(t, util.ObjectMetaEquivalent(ing1.ObjectMeta, createdIngress.ObjectMeta), "Metadata of created object is not equivalent")
// Wait for finalizers to appear in federation store.
// assert.NoError(t, WaitForFinalizersInFederationStore(ingressController, ingressController.ingressInformerStore,
// types.NamespacedName{Namespace: ing1.Namespace, Name: ing1.Name}.String()), "finalizers not found in federated ingress")
// Wait for the cluster ingress to appear in cluster store.
assert.NoError(t, WaitForIngressInClusterStore(ingressController.ingressFederatedInformer.GetTargetStore(), cluster1.Name,
types.NamespacedName{Namespace: createdIngress.Namespace, Name: createdIngress.Name}.String()),
"Created ingress not found in underlying cluster store")
// Test that IP address gets transferred from cluster ingress to federated ingress.
t.Log("Checking that IP address gets transferred from cluster ingress to federated ingress")
createdIngress.Status.LoadBalancer.Ingress = append(createdIngress.Status.LoadBalancer.Ingress, api_v1.LoadBalancerIngress{IP: "1.2.3.4"})
cluster1IngressWatch.Modify(createdIngress)
updatedIngress := GetIngressFromChan(t, fedIngressUpdateChan)
assert.NotNil(t, updatedIngress, "Cluster's ingress load balancer status was not correctly transferred to the federated ingress")
if updatedIngress != nil {
assert.True(t, reflect.DeepEqual(createdIngress.Status.LoadBalancer.Ingress, updatedIngress.Status.LoadBalancer.Ingress), fmt.Sprintf("Ingress IP was not transferred from cluster ingress to federated ingress. %v is not equal to %v", createdIngress.Status.LoadBalancer.Ingress, updatedIngress.Status.LoadBalancer.Ingress))
}
/*
// TODO: Re-enable this when we have fixed these flaky tests: https://github.com/kubernetes/kubernetes/issues/36540.
// Test that IP address gets transferred from cluster ingress to federated ingress.
t.Log("Checking that IP address gets transferred from cluster ingress to federated ingress")
createdIngress.Status.LoadBalancer.Ingress = append(createdIngress.Status.LoadBalancer.Ingress, api_v1.LoadBalancerIngress{IP: "1.2.3.4"})
cluster1IngressWatch.Modify(createdIngress)
// Wait for store to see the updated cluster ingress.
assert.NoError(t, WaitForStatusUpdate(t, ingressController.ingressFederatedInformer.GetTargetStore(),
cluster1.Name, types.NamespacedName{Namespace: createdIngress.Namespace, Name: createdIngress.Name}.String(),
createdIngress.Status.LoadBalancer, 4*wait.ForeverTestTimeout))
updatedIngress = GetIngressFromChan(t, fedIngressUpdateChan)
assert.NotNil(t, updatedIngress, "Cluster's ingress load balancer status was not correctly transferred to the federated ingress")
if updatedIngress != nil {
assert.True(t, reflect.DeepEqual(createdIngress.Status.LoadBalancer.Ingress, updatedIngress.Status.LoadBalancer.Ingress), fmt.Sprintf("Ingress IP was not transferred from cluster ingress to federated ingress. %v is not equal to %v", createdIngress.Status.LoadBalancer.Ingress, updatedIngress.Status.LoadBalancer.Ingress))
t.Logf("expected: %v, actual: %v", createdIngress, updatedIngress)
}
// Test update federated ingress.
if updatedIngress.ObjectMeta.Annotations == nil {
updatedIngress.ObjectMeta.Annotations = make(map[string]string)
}
updatedIngress.ObjectMeta.Annotations["A"] = "B"
t.Log("Modifying Federated Ingress")
fedIngressWatch.Modify(updatedIngress)
t.Log("Checking that Ingress was correctly updated in cluster 1")
updatedIngress2 := GetIngressFromChan(t, cluster1IngressUpdateChan)
assert.NotNil(t, updatedIngress2)
assert.True(t, reflect.DeepEqual(updatedIngress2.Spec, updatedIngress.Spec), "Spec of updated ingress is not equal")
assert.Equal(t, updatedIngress2.ObjectMeta.Annotations["A"], updatedIngress.ObjectMeta.Annotations["A"], "Updated annotation not transferred from federated to cluster ingress.")
// Test update federated ingress.
if updatedIngress.ObjectMeta.Annotations == nil {
updatedIngress.ObjectMeta.Annotations = make(map[string]string)
}
updatedIngress.ObjectMeta.Annotations["A"] = "B"
t.Log("Modifying Federated Ingress")
fedIngressWatch.Modify(updatedIngress)
t.Log("Checking that Ingress was correctly updated in cluster 1")
updatedIngress2 := GetIngressFromChan(t, cluster1IngressUpdateChan)
assert.NotNil(t, updatedIngress2)
assert.True(t, reflect.DeepEqual(updatedIngress2.Spec, updatedIngress.Spec), "Spec of updated ingress is not equal")
assert.Equal(t, updatedIngress2.ObjectMeta.Annotations["A"], updatedIngress.ObjectMeta.Annotations["A"], "Updated annotation not transferred from federated to cluster ingress.")
*/
// Test add cluster
t.Log("Adding a second cluster")
ing1.Annotations = make(map[string]string)
@@ -207,3 +237,53 @@ func NewConfigMap(uid string) *api_v1.ConfigMap {
},
}
}
// Wait for finalizers to appear in federation store.
func WaitForFinalizersInFederationStore(ingressController *IngressController, store cache.Store, key string) error {
retryInterval := 100 * time.Millisecond
timeout := wait.ForeverTestTimeout
err := wait.PollImmediate(retryInterval, timeout, func() (bool, error) {
obj, found, err := store.GetByKey(key)
if !found || err != nil {
return false, err
}
ingress := obj.(*extensions_v1beta1.Ingress)
if ingressController.hasFinalizerFunc(ingress, api_v1.FinalizerOrphan) &&
ingressController.hasFinalizerFunc(ingress, deletionhelper.FinalizerDeleteFromUnderlyingClusters) {
return true, nil
}
return false, nil
})
return err
}
// Wait for the cluster ingress to appear in cluster store.
func WaitForIngressInClusterStore(store util.FederatedReadOnlyStore, clusterName, key string) error {
retryInterval := 100 * time.Millisecond
timeout := wait.ForeverTestTimeout
err := wait.PollImmediate(retryInterval, timeout, func() (bool, error) {
_, found, err := store.GetByKey(clusterName, key)
if found && err == nil {
return true, nil
}
if errors.IsNotFound(err) {
return false, nil
}
return false, err
})
return err
}
// Wait for ingress status to be updated to match the desiredStatus.
func WaitForStatusUpdate(t *testing.T, store util.FederatedReadOnlyStore, clusterName, key string, desiredStatus api_v1.LoadBalancerStatus, timeout time.Duration) error {
retryInterval := 100 * time.Millisecond
err := wait.PollImmediate(retryInterval, timeout, func() (bool, error) {
obj, found, err := store.GetByKey(clusterName, key)
if !found || err != nil {
return false, err
}
ingress := obj.(*extensions_v1beta1.Ingress)
return reflect.DeepEqual(ingress.Status.LoadBalancer, desiredStatus), nil
})
return err
}

1
test/test_owners.csv
View File

@@ -147,6 +147,7 @@ Federation apiserver Cluster objects should be created and deleted successfully,
Federation daemonsets DaemonSet objects should be created and deleted successfully,soltysh,1
Federation deployments Deployment objects should be created and deleted successfully,soltysh,1
Federation deployments Federated Deployment should create and update matching deployments in underling clusters,soltysh,1
Federation daemonsets DaemonSet objects should be created and deleted successfully,nikhiljindal,0
Federation events Event objects should be created and deleted successfully,karlkfi,1
Federation namespace Namespace objects all resources in the namespace should be deleted when namespace is deleted,nikhiljindal,0
Federation namespace Namespace objects should be created and deleted successfully,xiang90,1
1 name owner auto-assigned
147 Federation daemonsets DaemonSet objects should be created and deleted successfully soltysh 1
148 Federation deployments Deployment objects should be created and deleted successfully soltysh 1
149 Federation deployments Federated Deployment should create and update matching deployments in underling clusters soltysh 1
150 Federation daemonsets DaemonSet objects should be created and deleted successfully nikhiljindal 0
151 Federation events Event objects should be created and deleted successfully karlkfi 1
152 Federation namespace Namespace objects all resources in the namespace should be deleted when namespace is deleted nikhiljindal 0
153 Federation namespace Namespace objects should be created and deleted successfully xiang90 1