mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-07-27 13:37:30 +00:00
554 lines
22 KiB
Go
554 lines
22 KiB
Go
/*
|
|
Copyright 2017 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 reconcilers
|
|
|
|
/*
|
|
Original Source:
|
|
https://github.com/openshift/origin/blob/bb340c5dd5ff72718be86fb194dedc0faed7f4c7/pkg/cmd/server/election/lease_endpoint_reconciler_test.go
|
|
*/
|
|
|
|
import (
|
|
"reflect"
|
|
"sort"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/google/uuid"
|
|
corev1 "k8s.io/api/core/v1"
|
|
"k8s.io/apimachinery/pkg/api/apitesting"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
"k8s.io/apimachinery/pkg/runtime/schema"
|
|
"k8s.io/apimachinery/pkg/runtime/serializer"
|
|
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
|
|
"k8s.io/apiserver/pkg/storage"
|
|
etcd3testing "k8s.io/apiserver/pkg/storage/etcd3/testing"
|
|
"k8s.io/apiserver/pkg/storage/storagebackend/factory"
|
|
"k8s.io/client-go/kubernetes/fake"
|
|
"k8s.io/kubernetes/pkg/apis/core"
|
|
netutils "k8s.io/utils/net"
|
|
)
|
|
|
|
func init() {
|
|
var scheme = runtime.NewScheme()
|
|
|
|
metav1.AddToGroupVersion(scheme, metav1.SchemeGroupVersion)
|
|
utilruntime.Must(core.AddToScheme(scheme))
|
|
utilruntime.Must(corev1.AddToScheme(scheme))
|
|
utilruntime.Must(scheme.SetVersionPriority(corev1.SchemeGroupVersion))
|
|
|
|
codecs = serializer.NewCodecFactory(scheme)
|
|
}
|
|
|
|
var codecs serializer.CodecFactory
|
|
|
|
type fakeLeases struct {
|
|
storageLeases
|
|
}
|
|
|
|
var _ Leases = &fakeLeases{}
|
|
|
|
func newFakeLeases(t *testing.T, s storage.Interface) *fakeLeases {
|
|
// use the same base key used by the controlplane, but add a random
|
|
// prefix so we can reuse the etcd instance for subtests independently.
|
|
// pkg/controlplane/instance.go:268:
|
|
// masterLeases, err := reconcilers.NewLeases(config, "/masterleases/", ttl)
|
|
// ref: https://issues.k8s.io/114049
|
|
base := "/" + uuid.New().String() + "/masterleases/"
|
|
return &fakeLeases{
|
|
storageLeases{
|
|
storage: s,
|
|
destroyFn: func() {},
|
|
baseKey: base,
|
|
leaseTime: 1 * time.Minute, // avoid the lease to timeout on tests
|
|
},
|
|
}
|
|
}
|
|
|
|
func (f *fakeLeases) SetKeys(keys []string) error {
|
|
for _, ip := range keys {
|
|
if err := f.UpdateLease(ip); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func TestLeaseEndpointReconciler(t *testing.T) {
|
|
server, sc := etcd3testing.NewUnsecuredEtcd3TestClientServer(t)
|
|
t.Cleanup(func() { server.Terminate(t) })
|
|
|
|
newFunc := func() runtime.Object { return &corev1.Endpoints{} }
|
|
sc.Codec = apitesting.TestStorageCodec(codecs, corev1.SchemeGroupVersion)
|
|
|
|
s, dFunc, err := factory.Create(*sc.ForResource(schema.GroupResource{Resource: "endpoints"}), newFunc)
|
|
if err != nil {
|
|
t.Fatalf("Error creating storage: %v", err)
|
|
}
|
|
t.Cleanup(dFunc)
|
|
|
|
reconcileTests := []struct {
|
|
testName string
|
|
serviceName string
|
|
ip string
|
|
endpointPorts []corev1.EndpointPort
|
|
endpointKeys []string
|
|
initialState []runtime.Object
|
|
expectUpdate []runtime.Object
|
|
expectCreate []runtime.Object
|
|
expectLeases []string
|
|
}{
|
|
{
|
|
testName: "no existing endpoints",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
initialState: nil,
|
|
expectCreate: makeEndpointsArray("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectLeases: []string{"1.2.3.4"},
|
|
},
|
|
{
|
|
testName: "existing endpoints satisfy",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
initialState: makeEndpointsArray("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectLeases: []string{"1.2.3.4"},
|
|
},
|
|
{
|
|
testName: "existing endpoints satisfy, no endpointslice",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
initialState: []runtime.Object{
|
|
makeEndpoints("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
},
|
|
expectCreate: []runtime.Object{
|
|
makeEndpointSlice("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
},
|
|
expectLeases: []string{"1.2.3.4"},
|
|
},
|
|
{
|
|
testName: "existing endpointslice satisfies, no endpoints",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
initialState: []runtime.Object{
|
|
makeEndpointSlice("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
},
|
|
expectCreate: []runtime.Object{
|
|
makeEndpoints("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
},
|
|
expectLeases: []string{"1.2.3.4"},
|
|
},
|
|
{
|
|
testName: "existing endpoints satisfy, endpointslice is wrong",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
initialState: []runtime.Object{
|
|
makeEndpoints("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
makeEndpointSlice("foo", []string{"4.3.2.1"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
},
|
|
expectUpdate: []runtime.Object{
|
|
makeEndpointSlice("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
},
|
|
expectLeases: []string{"1.2.3.4"},
|
|
},
|
|
{
|
|
testName: "existing endpointslice satisfies, endpoints is wrong",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
initialState: []runtime.Object{
|
|
makeEndpoints("foo", []string{"4.3.2.1"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
makeEndpointSlice("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
},
|
|
expectUpdate: []runtime.Object{
|
|
makeEndpoints("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
},
|
|
expectLeases: []string{"1.2.3.4"},
|
|
},
|
|
{
|
|
testName: "existing endpoints satisfy + refresh existing key",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
endpointKeys: []string{"1.2.3.4"},
|
|
initialState: makeEndpointsArray("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectLeases: []string{"1.2.3.4"},
|
|
},
|
|
{
|
|
testName: "existing endpoints satisfy but too many",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
initialState: makeEndpointsArray("foo", []string{"1.2.3.4", "4.3.2.1"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectUpdate: makeEndpointsArray("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectLeases: []string{"1.2.3.4"},
|
|
},
|
|
{
|
|
testName: "existing endpoints satisfy but too many + extra masters",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
endpointKeys: []string{"1.2.3.4", "4.3.2.2", "4.3.2.3", "4.3.2.4"},
|
|
initialState: makeEndpointsArray("foo", []string{"1.2.3.4", "4.3.2.1", "4.3.2.2", "4.3.2.3", "4.3.2.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectUpdate: makeEndpointsArray("foo", []string{"1.2.3.4", "4.3.2.2", "4.3.2.3", "4.3.2.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectLeases: []string{"1.2.3.4", "4.3.2.2", "4.3.2.3", "4.3.2.4"},
|
|
},
|
|
{
|
|
testName: "existing endpoints satisfy but too many + extra masters + delete first",
|
|
serviceName: "foo",
|
|
ip: "4.3.2.4",
|
|
endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
endpointKeys: []string{"4.3.2.1", "4.3.2.2", "4.3.2.3", "4.3.2.4"},
|
|
initialState: makeEndpointsArray("foo", []string{"1.2.3.4", "4.3.2.1", "4.3.2.2", "4.3.2.3", "4.3.2.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectUpdate: makeEndpointsArray("foo", []string{"4.3.2.1", "4.3.2.2", "4.3.2.3", "4.3.2.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectLeases: []string{"4.3.2.1", "4.3.2.2", "4.3.2.3", "4.3.2.4"},
|
|
},
|
|
{
|
|
testName: "existing endpoints current IP missing",
|
|
serviceName: "foo",
|
|
ip: "4.3.2.2",
|
|
endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
endpointKeys: []string{"4.3.2.1"},
|
|
initialState: makeEndpointsArray("foo", []string{"4.3.2.1"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectUpdate: makeEndpointsArray("foo", []string{"4.3.2.1", "4.3.2.2"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectLeases: []string{"4.3.2.1", "4.3.2.2"},
|
|
},
|
|
{
|
|
testName: "existing endpoints wrong name",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
initialState: makeEndpointsArray("bar", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectCreate: makeEndpointsArray("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectLeases: []string{"1.2.3.4"},
|
|
},
|
|
{
|
|
testName: "existing endpoints wrong IP",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
initialState: makeEndpointsArray("foo", []string{"4.3.2.1"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectUpdate: makeEndpointsArray("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectLeases: []string{"1.2.3.4"},
|
|
},
|
|
{
|
|
testName: "existing endpoints wrong port",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
initialState: makeEndpointsArray("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 9090, Protocol: "TCP"}}),
|
|
expectUpdate: makeEndpointsArray("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectLeases: []string{"1.2.3.4"},
|
|
},
|
|
{
|
|
testName: "existing endpoints wrong protocol",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
initialState: makeEndpointsArray("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "UDP"}}),
|
|
expectUpdate: makeEndpointsArray("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectLeases: []string{"1.2.3.4"},
|
|
},
|
|
{
|
|
testName: "existing endpoints wrong port name",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{{Name: "baz", Port: 8080, Protocol: "TCP"}},
|
|
initialState: makeEndpointsArray("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectUpdate: makeEndpointsArray("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "baz", Port: 8080, Protocol: "TCP"}}),
|
|
expectLeases: []string{"1.2.3.4"},
|
|
},
|
|
{
|
|
testName: "existing endpoints without skip mirror label",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
initialState: []runtime.Object{
|
|
// can't use makeEndpointsArray() here because we don't want the
|
|
// skip-mirror label
|
|
&corev1.Endpoints{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Namespace: metav1.NamespaceDefault,
|
|
Name: "foo",
|
|
},
|
|
Subsets: []corev1.EndpointSubset{{
|
|
Addresses: []corev1.EndpointAddress{{IP: "1.2.3.4"}},
|
|
Ports: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
}},
|
|
},
|
|
makeEndpointSlice("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
},
|
|
expectUpdate: []runtime.Object{
|
|
makeEndpoints("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
// EndpointSlice does not get updated because it was already correct
|
|
},
|
|
expectLeases: []string{"1.2.3.4"},
|
|
},
|
|
{
|
|
testName: "existing endpoints extra service ports satisfy",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{
|
|
{Name: "foo", Port: 8080, Protocol: "TCP"},
|
|
{Name: "bar", Port: 1000, Protocol: "TCP"},
|
|
{Name: "baz", Port: 1010, Protocol: "TCP"},
|
|
},
|
|
initialState: makeEndpointsArray("foo", []string{"1.2.3.4"},
|
|
[]corev1.EndpointPort{
|
|
{Name: "foo", Port: 8080, Protocol: "TCP"},
|
|
{Name: "bar", Port: 1000, Protocol: "TCP"},
|
|
{Name: "baz", Port: 1010, Protocol: "TCP"},
|
|
},
|
|
),
|
|
expectLeases: []string{"1.2.3.4"},
|
|
},
|
|
{
|
|
testName: "existing endpoints extra service ports missing port",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{
|
|
{Name: "foo", Port: 8080, Protocol: "TCP"},
|
|
{Name: "bar", Port: 1000, Protocol: "TCP"},
|
|
},
|
|
initialState: makeEndpointsArray("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectUpdate: makeEndpointsArray("foo", []string{"1.2.3.4"},
|
|
[]corev1.EndpointPort{
|
|
{Name: "foo", Port: 8080, Protocol: "TCP"},
|
|
{Name: "bar", Port: 1000, Protocol: "TCP"},
|
|
},
|
|
),
|
|
expectLeases: []string{"1.2.3.4"},
|
|
},
|
|
}
|
|
for _, test := range reconcileTests {
|
|
t.Run(test.testName, func(t *testing.T) {
|
|
fakeLeases := newFakeLeases(t, s)
|
|
err := fakeLeases.SetKeys(test.endpointKeys)
|
|
if err != nil {
|
|
t.Errorf("unexpected error creating keys: %v", err)
|
|
}
|
|
clientset := fake.NewSimpleClientset(test.initialState...)
|
|
|
|
epAdapter := NewEndpointsAdapter(clientset.CoreV1(), clientset.DiscoveryV1())
|
|
r := NewLeaseEndpointReconciler(epAdapter, fakeLeases)
|
|
err = r.ReconcileEndpoints(test.serviceName, netutils.ParseIPSloppy(test.ip), test.endpointPorts, true)
|
|
if err != nil {
|
|
t.Errorf("unexpected error reconciling: %v", err)
|
|
}
|
|
|
|
err = verifyCreatesAndUpdates(clientset, test.expectCreate, test.expectUpdate)
|
|
if err != nil {
|
|
t.Errorf("unexpected error in side effects: %v", err)
|
|
}
|
|
|
|
leases, err := fakeLeases.ListLeases()
|
|
if err != nil {
|
|
t.Errorf("unexpected error: %v", err)
|
|
}
|
|
// sort for comparison
|
|
sort.Strings(leases)
|
|
sort.Strings(test.expectLeases)
|
|
if !reflect.DeepEqual(leases, test.expectLeases) {
|
|
t.Errorf("expected %v got: %v", test.expectLeases, leases)
|
|
}
|
|
})
|
|
}
|
|
|
|
nonReconcileTests := []struct {
|
|
testName string
|
|
serviceName string
|
|
ip string
|
|
endpointPorts []corev1.EndpointPort
|
|
endpointKeys []string
|
|
initialState []runtime.Object
|
|
expectUpdate []runtime.Object
|
|
expectCreate []runtime.Object
|
|
expectLeases []string
|
|
}{
|
|
{
|
|
testName: "existing endpoints extra service ports missing port no update",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{
|
|
{Name: "foo", Port: 8080, Protocol: "TCP"},
|
|
{Name: "bar", Port: 1000, Protocol: "TCP"},
|
|
},
|
|
initialState: makeEndpointsArray("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectUpdate: nil,
|
|
expectLeases: []string{"1.2.3.4"},
|
|
},
|
|
{
|
|
testName: "existing endpoints extra service ports, wrong ports, wrong IP",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{
|
|
{Name: "foo", Port: 8080, Protocol: "TCP"},
|
|
{Name: "bar", Port: 1000, Protocol: "TCP"},
|
|
},
|
|
initialState: makeEndpointsArray("foo", []string{"4.3.2.1"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectUpdate: makeEndpointsArray("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectLeases: []string{"1.2.3.4"},
|
|
},
|
|
{
|
|
testName: "no existing endpoints",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
initialState: nil,
|
|
expectCreate: makeEndpointsArray("foo", []string{"1.2.3.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectLeases: []string{"1.2.3.4"},
|
|
},
|
|
}
|
|
for _, test := range nonReconcileTests {
|
|
t.Run(test.testName, func(t *testing.T) {
|
|
fakeLeases := newFakeLeases(t, s)
|
|
err := fakeLeases.SetKeys(test.endpointKeys)
|
|
if err != nil {
|
|
t.Errorf("unexpected error creating keys: %v", err)
|
|
}
|
|
clientset := fake.NewSimpleClientset(test.initialState...)
|
|
epAdapter := NewEndpointsAdapter(clientset.CoreV1(), clientset.DiscoveryV1())
|
|
r := NewLeaseEndpointReconciler(epAdapter, fakeLeases)
|
|
err = r.ReconcileEndpoints(test.serviceName, netutils.ParseIPSloppy(test.ip), test.endpointPorts, false)
|
|
if err != nil {
|
|
t.Errorf("unexpected error reconciling: %v", err)
|
|
}
|
|
|
|
err = verifyCreatesAndUpdates(clientset, test.expectCreate, test.expectUpdate)
|
|
if err != nil {
|
|
t.Errorf("unexpected error in side effects: %v", err)
|
|
}
|
|
|
|
leases, err := fakeLeases.ListLeases()
|
|
if err != nil {
|
|
t.Errorf("unexpected error: %v", err)
|
|
}
|
|
// sort for comparison
|
|
sort.Strings(leases)
|
|
sort.Strings(test.expectLeases)
|
|
if !reflect.DeepEqual(leases, test.expectLeases) {
|
|
t.Errorf("expected %v got: %v", test.expectLeases, leases)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestLeaseRemoveEndpoints(t *testing.T) {
|
|
server, sc := etcd3testing.NewUnsecuredEtcd3TestClientServer(t)
|
|
t.Cleanup(func() { server.Terminate(t) })
|
|
|
|
newFunc := func() runtime.Object { return &corev1.Endpoints{} }
|
|
sc.Codec = apitesting.TestStorageCodec(codecs, corev1.SchemeGroupVersion)
|
|
|
|
s, dFunc, err := factory.Create(*sc.ForResource(schema.GroupResource{Resource: "pods"}), newFunc)
|
|
if err != nil {
|
|
t.Fatalf("Error creating storage: %v", err)
|
|
}
|
|
t.Cleanup(dFunc)
|
|
|
|
stopTests := []struct {
|
|
testName string
|
|
serviceName string
|
|
ip string
|
|
endpointPorts []corev1.EndpointPort
|
|
endpointKeys []string
|
|
initialState []runtime.Object
|
|
expectUpdate []runtime.Object
|
|
expectLeases []string
|
|
}{
|
|
{
|
|
testName: "successful stop reconciling",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
endpointKeys: []string{"1.2.3.4", "4.3.2.2", "4.3.2.3", "4.3.2.4"},
|
|
initialState: makeEndpointsArray("foo", []string{"1.2.3.4", "4.3.2.2", "4.3.2.3", "4.3.2.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectUpdate: makeEndpointsArray("foo", []string{"4.3.2.2", "4.3.2.3", "4.3.2.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectLeases: []string{"4.3.2.2", "4.3.2.3", "4.3.2.4"},
|
|
},
|
|
{
|
|
testName: "stop reconciling with ip not in endpoint ip list",
|
|
serviceName: "foo",
|
|
ip: "5.6.7.8",
|
|
endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
endpointKeys: []string{"1.2.3.4", "4.3.2.2", "4.3.2.3", "4.3.2.4"},
|
|
initialState: makeEndpointsArray("foo", []string{"1.2.3.4", "4.3.2.2", "4.3.2.3", "4.3.2.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectLeases: []string{"1.2.3.4", "4.3.2.2", "4.3.2.3", "4.3.2.4"},
|
|
},
|
|
{
|
|
testName: "endpoint with no subset",
|
|
serviceName: "foo",
|
|
ip: "1.2.3.4",
|
|
endpointPorts: []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}},
|
|
endpointKeys: []string{"1.2.3.4", "4.3.2.2", "4.3.2.3", "4.3.2.4"},
|
|
initialState: makeEndpointsArray("foo", nil, nil),
|
|
expectUpdate: makeEndpointsArray("foo", []string{"4.3.2.2", "4.3.2.3", "4.3.2.4"}, []corev1.EndpointPort{{Name: "foo", Port: 8080, Protocol: "TCP"}}),
|
|
expectLeases: []string{"4.3.2.2", "4.3.2.3", "4.3.2.4"},
|
|
},
|
|
}
|
|
for _, test := range stopTests {
|
|
t.Run(test.testName, func(t *testing.T) {
|
|
fakeLeases := newFakeLeases(t, s)
|
|
err := fakeLeases.SetKeys(test.endpointKeys)
|
|
if err != nil {
|
|
t.Errorf("unexpected error creating keys: %v", err)
|
|
}
|
|
clientset := fake.NewSimpleClientset(test.initialState...)
|
|
epAdapter := NewEndpointsAdapter(clientset.CoreV1(), clientset.DiscoveryV1())
|
|
r := NewLeaseEndpointReconciler(epAdapter, fakeLeases)
|
|
err = r.RemoveEndpoints(test.serviceName, netutils.ParseIPSloppy(test.ip), test.endpointPorts)
|
|
// if the ip is not on the endpoints, it must return an storage error and stop reconciling
|
|
if !contains(test.endpointKeys, test.ip) {
|
|
if !storage.IsNotFound(err) {
|
|
t.Errorf("expected error StorageError: key not found, Code: 1, Key: /registry/base/key/%s got: %v", test.ip, err)
|
|
}
|
|
} else if err != nil {
|
|
t.Errorf("unexpected error reconciling: %v", err)
|
|
}
|
|
|
|
err = verifyCreatesAndUpdates(clientset, nil, test.expectUpdate)
|
|
if err != nil {
|
|
t.Errorf("unexpected error in side effects: %v", err)
|
|
}
|
|
|
|
leases, err := fakeLeases.ListLeases()
|
|
if err != nil {
|
|
t.Errorf("unexpected error: %v", err)
|
|
}
|
|
// sort for comparison
|
|
sort.Strings(leases)
|
|
sort.Strings(test.expectLeases)
|
|
if !reflect.DeepEqual(leases, test.expectLeases) {
|
|
t.Errorf("expected %v got: %v", test.expectLeases, leases)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func contains(s []string, str string) bool {
|
|
for _, v := range s {
|
|
if v == str {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|