Merge pull request #31925 from nikhiljindal/freshDebugNs

Automatic merge from submit-queue

Adding namespaces/finalizer subresource to federation apiserver

Fixes https://github.com/kubernetes/kubernetes/issues/31077

cc @kubernetes/sig-cluster-federation @mwielgus 


Verified manually that I can delete federation namespaces now.
Will update federation-namespace e2e test to verify that namespace is deleted fine
This commit is contained in:
Kubernetes Submit Queue 2016-09-02 19:30:25 -07:00 committed by GitHub
commit ac7fbf502a
6 changed files with 84 additions and 28 deletions

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@ -2821,7 +2821,7 @@
},
"flexVolume": {
"$ref": "v1.FlexVolumeSource",
"description": "FlexVolume represents a generic volume resource that is provisioned/attached using a exec based plugin. This is an alpha feature and may change in future."
"description": "FlexVolume represents a generic volume resource that is provisioned/attached using an exec based plugin. This is an alpha feature and may change in future."
},
"cinder": {
"$ref": "v1.CinderVolumeSource",
@ -3160,7 +3160,7 @@
},
"v1.FlexVolumeSource": {
"id": "v1.FlexVolumeSource",
"description": "FlexVolume represents a generic volume resource that is provisioned/attached using a exec based plugin. This is an alpha feature and may change in future.",
"description": "FlexVolume represents a generic volume resource that is provisioned/attached using an exec based plugin. This is an alpha feature and may change in future.",
"required": [
"driver"
],
@ -3352,7 +3352,7 @@
"items": {
"type": "string"
},
"description": "Required: FC target world wide names (WWNs)"
"description": "Required: FC target worldwide names (WWNs)"
},
"lun": {
"type": "integer",

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@ -1345,6 +1345,59 @@
}
]
},
{
"path": "/api/v1/namespaces/{name}/finalize",
"description": "API at /api/v1",
"operations": [
{
"type": "v1.Namespace",
"method": "PUT",
"summary": "replace finalize of the specified Namespace",
"nickname": "replaceNamespaceFinalize",
"parameters": [
{
"type": "string",
"paramType": "query",
"name": "pretty",
"description": "If 'true', then the output is pretty printed.",
"required": false,
"allowMultiple": false
},
{
"type": "v1.Namespace",
"paramType": "body",
"name": "body",
"description": "",
"required": true,
"allowMultiple": false
},
{
"type": "string",
"paramType": "path",
"name": "name",
"description": "name of the Namespace",
"required": true,
"allowMultiple": false
}
],
"responseMessages": [
{
"code": 200,
"message": "OK",
"responseModel": "v1.Namespace"
}
],
"produces": [
"application/json",
"application/yaml",
"application/vnd.kubernetes.protobuf"
],
"consumes": [
"*/*"
]
}
]
},
{
"path": "/api/v1/namespaces/{name}/status",
"description": "API at /api/v1",

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@ -42,16 +42,17 @@ import (
func installCoreAPIs(s *options.ServerRunOptions, g *genericapiserver.GenericAPIServer, f genericapiserver.StorageFactory) {
serviceStore, serviceStatusStore := serviceetcd.NewREST(createRESTOptionsOrDie(s, g, f, api.Resource("service")))
namespaceStore, namespaceStatusStore, _ := namespaceetcd.NewREST(createRESTOptionsOrDie(s, g, f, api.Resource("namespaces")))
namespaceStore, namespaceStatusStore, namespaceFinalizeStore := namespaceetcd.NewREST(createRESTOptionsOrDie(s, g, f, api.Resource("namespaces")))
secretStore := secretetcd.NewREST(createRESTOptionsOrDie(s, g, f, api.Resource("secrets")))
eventStore := eventetcd.NewREST(createRESTOptionsOrDie(s, g, f, api.Resource("events")), uint64(s.EventTTL.Seconds()))
coreResources := map[string]rest.Storage{
"secrets": secretStore,
"services": serviceStore,
"services/status": serviceStatusStore,
"namespaces": namespaceStore,
"namespaces/status": namespaceStatusStore,
"events": eventStore,
"secrets": secretStore,
"services": serviceStore,
"services/status": serviceStatusStore,
"namespaces": namespaceStore,
"namespaces/status": namespaceStatusStore,
"namespaces/finalize": namespaceFinalizeStore,
"events": eventStore,
}
coreGroupMeta := registered.GroupOrDie(core.GroupName)
apiGroupInfo := genericapiserver.APIGroupInfo{

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@ -26,6 +26,7 @@ import (
"k8s.io/kubernetes/federation/pkg/federation-controller/util"
"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"
"k8s.io/kubernetes/pkg/client/cache"
kube_release_1_4 "k8s.io/kubernetes/pkg/client/clientset_generated/release_1_4"
@ -363,7 +364,12 @@ func (nc *NamespaceController) delete(namespace *api_v1.Namespace) {
// TODO: What about namespaces in subclusters ???
err := nc.federatedApiClient.Core().Namespaces().Delete(updatedNamespace.Name, &api.DeleteOptions{})
if err != nil {
glog.Errorf("Failed to delete namespace %s: %v", namespace.Name, err)
nc.deliverNamespace(namespace.Name, 0, true)
// 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 namespace finalizer deletion.
// The process that deleted the last finalizer is also going to delete the namespace and we do not have to do anything.
if !errors.IsNotFound(err) {
glog.Errorf("Failed to delete namespace %s: %v", namespace.Name, err)
nc.deliverNamespace(namespace.Name, 0, true)
}
}
}

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@ -54,16 +54,13 @@ var _ = framework.KubeDescribe("Federation namespace [Feature:Federation]", func
AfterEach(func() {
framework.SkipUnlessFederated(f.Client)
// TODO: set wait to true once NS controller is fixed.
deleteAllTestNamespaces(
f.FederationClientset_1_4.Core().Namespaces().List,
f.FederationClientset_1_4.Core().Namespaces().Delete,
false)
f.FederationClientset_1_4.Core().Namespaces().Delete)
for _, clientset := range clusterClientSet {
deleteAllTestNamespaces(
clientset.Core().Namespaces().List,
clientset.Core().Namespaces().Delete,
false)
clientset.Core().Namespaces().Delete)
}
})
@ -79,7 +76,7 @@ var _ = framework.KubeDescribe("Federation namespace [Feature:Federation]", func
_, err := f.FederationClientset_1_4.Core().Namespaces().Create(&ns)
framework.ExpectNoError(err, "Failed to create namespace %s", ns.Name)
// Check subclusters if the namespace was create there.
// Check subclusters if the namespace was created there.
err = wait.Poll(5*time.Second, 2*time.Minute, func() (bool, error) {
for _, client := range clusterClientSet {
_, err := client.Core().Namespaces().Get(ns.Name)
@ -94,32 +91,28 @@ var _ = framework.KubeDescribe("Federation namespace [Feature:Federation]", func
})
framework.ExpectNoError(err, "Not all namespaces created")
// TODO: set wait to true once NS controller is fixed.
deleteAllTestNamespaces(
f.FederationClientset_1_4.Core().Namespaces().List,
f.FederationClientset_1_4.Core().Namespaces().Delete,
false)
f.FederationClientset_1_4.Core().Namespaces().Delete)
})
})
})
func deleteAllTestNamespaces(lister func(api.ListOptions) (*api_v1.NamespaceList, error), deleter func(string, *api.DeleteOptions) error, waitForDeletion bool) {
func deleteAllTestNamespaces(lister func(api.ListOptions) (*api_v1.NamespaceList, error), deleter func(string, *api.DeleteOptions) error) {
list, err := lister(api.ListOptions{})
if err != nil {
framework.Failf("Failed to get all namespaes: %v", err)
return
}
for _, namespace := range list.Items {
if strings.HasPrefix(namespace.Name, namespacePrefix) && namespace.DeletionTimestamp != nil {
if strings.HasPrefix(namespace.Name, namespacePrefix) {
err := deleter(namespace.Name, &api.DeleteOptions{})
if err != nil {
framework.Failf("Failed to set %s for deletion: %v", namespace.Name, err)
}
}
}
if waitForDeletion {
waitForNoTestNamespaces(lister)
}
waitForNoTestNamespaces(lister)
}
func waitForNoTestNamespaces(lister func(api.ListOptions) (*api_v1.NamespaceList, error)) {

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@ -283,8 +283,8 @@ func testCoreResourceList(t *testing.T) {
}
assert.Equal(t, "", apiResourceList.APIVersion)
assert.Equal(t, v1.SchemeGroupVersion.String(), apiResourceList.GroupVersion)
// Assert that there are exactly 6 resources.
assert.Equal(t, 6, len(apiResourceList.APIResources))
// Assert that there are exactly 7 resources.
assert.Equal(t, 7, len(apiResourceList.APIResources))
// Verify services.
found := findResource(apiResourceList.APIResources, "services")
@ -301,6 +301,9 @@ func testCoreResourceList(t *testing.T) {
found = findResource(apiResourceList.APIResources, "namespaces/status")
assert.NotNil(t, found)
assert.False(t, found.Namespaced)
found = findResource(apiResourceList.APIResources, "namespaces/finalize")
assert.NotNil(t, found)
assert.False(t, found.Namespaced)
// Verify events.
found = findResource(apiResourceList.APIResources, "events")