kubernetes event_test 源码
kubernetes event_test 代码
文件路径：/staging/src/k8s.io/client-go/tools/record/event_test.go
/*
Copyright 2014 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 record
import (
"encoding/json"
"fmt"
"net/http"
"strconv"
"sync"
"testing"
"time"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
k8sruntime "k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/strategicpatch"
"k8s.io/client-go/kubernetes/scheme"
restclient "k8s.io/client-go/rest"
ref "k8s.io/client-go/tools/reference"
"k8s.io/utils/clock"
testclocks "k8s.io/utils/clock/testing"
)
type testEventSink struct {
OnCreate func(e *v1.Event) (*v1.Event, error)
OnUpdate func(e *v1.Event) (*v1.Event, error)
OnPatch func(e *v1.Event, p []byte) (*v1.Event, error)
}
// CreateEvent records the event for testing.
func (t *testEventSink) Create(e *v1.Event) (*v1.Event, error) {
if t.OnCreate != nil {
return t.OnCreate(e)
}
return e, nil
}
// UpdateEvent records the event for testing.
func (t *testEventSink) Update(e *v1.Event) (*v1.Event, error) {
if t.OnUpdate != nil {
return t.OnUpdate(e)
}
return e, nil
}
// PatchEvent records the event for testing.
func (t *testEventSink) Patch(e *v1.Event, p []byte) (*v1.Event, error) {
if t.OnPatch != nil {
return t.OnPatch(e, p)
}
return e, nil
}
type OnCreateFunc func(*v1.Event) (*v1.Event, error)
func OnCreateFactory(testCache map[string]*v1.Event, createEvent chan<- *v1.Event) OnCreateFunc {
return func(event *v1.Event) (*v1.Event, error) {
testCache[getEventKey(event)] = event
createEvent <- event
return event, nil
}
}
type OnPatchFunc func(*v1.Event, []byte) (*v1.Event, error)
func OnPatchFactory(testCache map[string]*v1.Event, patchEvent chan<- *v1.Event) OnPatchFunc {
return func(event *v1.Event, patch []byte) (*v1.Event, error) {
cachedEvent, found := testCache[getEventKey(event)]
if !found {
return nil, fmt.Errorf("unexpected error: couldn't find Event in testCache.")
}
originalData, err := json.Marshal(cachedEvent)
if err != nil {
return nil, fmt.Errorf("unexpected error: %v", err)
}
patched, err := strategicpatch.StrategicMergePatch(originalData, patch, event)
if err != nil {
return nil, fmt.Errorf("unexpected error: %v", err)
}
patchedObj := &v1.Event{}
err = json.Unmarshal(patched, patchedObj)
if err != nil {
return nil, fmt.Errorf("unexpected error: %v", err)
}
patchEvent <- patchedObj
return patchedObj, nil
}
}
func TestNonRacyShutdown(t *testing.T) {
// Attempt to simulate previously racy conditions, and ensure that no race
// occurs: Nominally, calling "Eventf" *followed by* shutdown from the same
// thread should be a safe operation, but it's not if we launch recorder.Action
// in a goroutine.
caster := NewBroadcasterForTests(0)
clock := testclocks.NewFakeClock(time.Now())
recorder := recorderWithFakeClock(v1.EventSource{Component: "eventTest"}, caster, clock)
var wg sync.WaitGroup
wg.Add(100)
for i := 0; i < 100; i++ {
go func() {
defer wg.Done()
recorder.Eventf(&v1.ObjectReference{}, v1.EventTypeNormal, "Started", "blah")
}()
}
wg.Wait()
caster.Shutdown()
}
func TestEventf(t *testing.T) {
testPod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Namespace: "baz",
UID: "bar",
},
}
testPod2 := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Namespace: "baz",
UID: "differentUid",
},
}
testRef, err := ref.GetPartialReference(scheme.Scheme, testPod, "spec.containers[2]")
if err != nil {
t.Fatal(err)
}
testRef2, err := ref.GetPartialReference(scheme.Scheme, testPod2, "spec.containers[3]")
if err != nil {
t.Fatal(err)
}
table := []struct {
obj k8sruntime.Object
eventtype string
reason string
messageFmt string
elements []interface{}
expect *v1.Event
expectLog string
expectUpdate bool
}{
{
obj: testRef,
eventtype: v1.EventTypeNormal,
reason: "Started",
messageFmt: "some verbose message: %v",
elements: []interface{}{1},
expect: &v1.Event{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Namespace: "baz",
},
InvolvedObject: v1.ObjectReference{
Kind: "Pod",
Name: "foo",
Namespace: "baz",
UID: "bar",
APIVersion: "v1",
FieldPath: "spec.containers[2]",
},
Reason: "Started",
Message: "some verbose message: 1",
Source: v1.EventSource{Component: "eventTest"},
Count: 1,
Type: v1.EventTypeNormal,
},
expectLog: `Event(v1.ObjectReference{Kind:"Pod", Namespace:"baz", Name:"foo", UID:"bar", APIVersion:"v1", ResourceVersion:"", FieldPath:"spec.containers[2]"}): type: 'Normal' reason: 'Started' some verbose message: 1`,
expectUpdate: false,
},
{
obj: testPod,
eventtype: v1.EventTypeNormal,
reason: "Killed",
messageFmt: "some other verbose message: %v",
elements: []interface{}{1},
expect: &v1.Event{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Namespace: "baz",
},
InvolvedObject: v1.ObjectReference{
Kind: "Pod",
Name: "foo",
Namespace: "baz",
UID: "bar",
APIVersion: "v1",
},
Reason: "Killed",
Message: "some other verbose message: 1",
Source: v1.EventSource{Component: "eventTest"},
Count: 1,
Type: v1.EventTypeNormal,
},
expectLog: `Event(v1.ObjectReference{Kind:"Pod", Namespace:"baz", Name:"foo", UID:"bar", APIVersion:"v1", ResourceVersion:"", FieldPath:""}): type: 'Normal' reason: 'Killed' some other verbose message: 1`,
expectUpdate: false,
},
{
obj: testRef,
eventtype: v1.EventTypeNormal,
reason: "Started",
messageFmt: "some verbose message: %v",
elements: []interface{}{1},
expect: &v1.Event{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Namespace: "baz",
},
InvolvedObject: v1.ObjectReference{
Kind: "Pod",
Name: "foo",
Namespace: "baz",
UID: "bar",
APIVersion: "v1",
FieldPath: "spec.containers[2]",
},
Reason: "Started",
Message: "some verbose message: 1",
Source: v1.EventSource{Component: "eventTest"},
Count: 2,
Type: v1.EventTypeNormal,
},
expectLog: `Event(v1.ObjectReference{Kind:"Pod", Namespace:"baz", Name:"foo", UID:"bar", APIVersion:"v1", ResourceVersion:"", FieldPath:"spec.containers[2]"}): type: 'Normal' reason: 'Started' some verbose message: 1`,
expectUpdate: true,
},
{
obj: testRef2,
eventtype: v1.EventTypeNormal,
reason: "Started",
messageFmt: "some verbose message: %v",
elements: []interface{}{1},
expect: &v1.Event{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Namespace: "baz",
},
InvolvedObject: v1.ObjectReference{
Kind: "Pod",
Name: "foo",
Namespace: "baz",
UID: "differentUid",
APIVersion: "v1",
FieldPath: "spec.containers[3]",
},
Reason: "Started",
Message: "some verbose message: 1",
Source: v1.EventSource{Component: "eventTest"},
Count: 1,
Type: v1.EventTypeNormal,
},
expectLog: `Event(v1.ObjectReference{Kind:"Pod", Namespace:"baz", Name:"foo", UID:"differentUid", APIVersion:"v1", ResourceVersion:"", FieldPath:"spec.containers[3]"}): type: 'Normal' reason: 'Started' some verbose message: 1`,
expectUpdate: false,
},
{
obj: testRef,
eventtype: v1.EventTypeNormal,
reason: "Started",
messageFmt: "some verbose message: %v",
elements: []interface{}{1},
expect: &v1.Event{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Namespace: "baz",
},
InvolvedObject: v1.ObjectReference{
Kind: "Pod",
Name: "foo",
Namespace: "baz",
UID: "bar",
APIVersion: "v1",
FieldPath: "spec.containers[2]",
},
Reason: "Started",
Message: "some verbose message: 1",
Source: v1.EventSource{Component: "eventTest"},
Count: 3,
Type: v1.EventTypeNormal,
},
expectLog: `Event(v1.ObjectReference{Kind:"Pod", Namespace:"baz", Name:"foo", UID:"bar", APIVersion:"v1", ResourceVersion:"", FieldPath:"spec.containers[2]"}): type: 'Normal' reason: 'Started' some verbose message: 1`,
expectUpdate: true,
},
{
obj: testRef2,
eventtype: v1.EventTypeNormal,
reason: "Stopped",
messageFmt: "some verbose message: %v",
elements: []interface{}{1},
expect: &v1.Event{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Namespace: "baz",
},
InvolvedObject: v1.ObjectReference{
Kind: "Pod",
Name: "foo",
Namespace: "baz",
UID: "differentUid",
APIVersion: "v1",
FieldPath: "spec.containers[3]",
},
Reason: "Stopped",
Message: "some verbose message: 1",
Source: v1.EventSource{Component: "eventTest"},
Count: 1,
Type: v1.EventTypeNormal,
},
expectLog: `Event(v1.ObjectReference{Kind:"Pod", Namespace:"baz", Name:"foo", UID:"differentUid", APIVersion:"v1", ResourceVersion:"", FieldPath:"spec.containers[3]"}): type: 'Normal' reason: 'Stopped' some verbose message: 1`,
expectUpdate: false,
},
{
obj: testRef2,
eventtype: v1.EventTypeNormal,
reason: "Stopped",
messageFmt: "some verbose message: %v",
elements: []interface{}{1},
expect: &v1.Event{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Namespace: "baz",
},
InvolvedObject: v1.ObjectReference{
Kind: "Pod",
Name: "foo",
Namespace: "baz",
UID: "differentUid",
APIVersion: "v1",
FieldPath: "spec.containers[3]",
},
Reason: "Stopped",
Message: "some verbose message: 1",
Source: v1.EventSource{Component: "eventTest"},
Count: 2,
Type: v1.EventTypeNormal,
},
expectLog: `Event(v1.ObjectReference{Kind:"Pod", Namespace:"baz", Name:"foo", UID:"differentUid", APIVersion:"v1", ResourceVersion:"", FieldPath:"spec.containers[3]"}): type: 'Normal' reason: 'Stopped' some verbose message: 1`,
expectUpdate: true,
},
}
testCache := map[string]*v1.Event{}
logCalled := make(chan struct{})
createEvent := make(chan *v1.Event)
updateEvent := make(chan *v1.Event)
patchEvent := make(chan *v1.Event)
testEvents := testEventSink{
OnCreate: OnCreateFactory(testCache, createEvent),
OnUpdate: func(event *v1.Event) (*v1.Event, error) {
updateEvent <- event
return event, nil
},
OnPatch: OnPatchFactory(testCache, patchEvent),
}
eventBroadcaster := NewBroadcasterForTests(0)
sinkWatcher := eventBroadcaster.StartRecordingToSink(&testEvents)
clock := testclocks.NewFakeClock(time.Now())
recorder := recorderWithFakeClock(v1.EventSource{Component: "eventTest"}, eventBroadcaster, clock)
for index, item := range table {
clock.Step(1 * time.Second)
logWatcher := eventBroadcaster.StartLogging(func(formatter string, args ...interface{}) {
if e, a := item.expectLog, fmt.Sprintf(formatter, args...); e != a {
t.Errorf("Expected '%v', got '%v'", e, a)
}
logCalled <- struct{}{}
})
recorder.Eventf(item.obj, item.eventtype, item.reason, item.messageFmt, item.elements...)
<-logCalled
// validate event
if item.expectUpdate {
actualEvent := <-patchEvent
validateEvent(strconv.Itoa(index), actualEvent, item.expect, t)
} else {
actualEvent := <-createEvent
validateEvent(strconv.Itoa(index), actualEvent, item.expect, t)
}
logWatcher.Stop()
}
sinkWatcher.Stop()
}
func recorderWithFakeClock(eventSource v1.EventSource, eventBroadcaster EventBroadcaster, clock clock.Clock) EventRecorder {
return &recorderImpl{scheme.Scheme, eventSource, eventBroadcaster.(*eventBroadcasterImpl).Broadcaster, clock}
}
func TestWriteEventError(t *testing.T) {
type entry struct {
timesToSendError int
attemptsWanted int
err error
}
table := map[string]*entry{
"giveUp1": {
timesToSendError: 1000,
attemptsWanted: 1,
err: &restclient.RequestConstructionError{},
},
"giveUp2": {
timesToSendError: 1000,
attemptsWanted: 1,
err: &errors.StatusError{},
},
"retry1": {
timesToSendError: 1000,
attemptsWanted: 12,
err: &errors.UnexpectedObjectError{},
},
"retry2": {
timesToSendError: 1000,
attemptsWanted: 12,
err: fmt.Errorf("A weird error"),
},
"succeedEventually": {
timesToSendError: 2,
attemptsWanted: 2,
err: fmt.Errorf("A weird error"),
},
}
clock := testclocks.SimpleIntervalClock{Time: time.Now(), Duration: time.Second}
eventCorrelator := NewEventCorrelator(&clock)
for caseName, ent := range table {
attempts := 0
sink := &testEventSink{
OnCreate: func(event *v1.Event) (*v1.Event, error) {
attempts++
if attempts < ent.timesToSendError {
return nil, ent.err
}
return event, nil
},
}
ev := &v1.Event{}
recordToSink(sink, ev, eventCorrelator, 0)
if attempts != ent.attemptsWanted {
t.Errorf("case %v: wanted %d, got %d attempts", caseName, ent.attemptsWanted, attempts)
}
}
}
func TestUpdateExpiredEvent(t *testing.T) {
clock := testclocks.SimpleIntervalClock{Time: time.Now(), Duration: time.Second}
eventCorrelator := NewEventCorrelator(&clock)
var createdEvent *v1.Event
sink := &testEventSink{
OnPatch: func(*v1.Event, []byte) (*v1.Event, error) {
return nil, &errors.StatusError{
ErrStatus: metav1.Status{
Code: http.StatusNotFound,
Reason: metav1.StatusReasonNotFound,
}}
},
OnCreate: func(event *v1.Event) (*v1.Event, error) {
createdEvent = event
return event, nil
},
}
ev := &v1.Event{}
ev.ResourceVersion = "updated-resource-version"
ev.Count = 2
recordToSink(sink, ev, eventCorrelator, 0)
if createdEvent == nil {
t.Error("Event did not get created after patch failed")
return
}
if createdEvent.ResourceVersion != "" {
t.Errorf("Event did not have its resource version cleared, was %s", createdEvent.ResourceVersion)
}
}
func TestLotsOfEvents(t *testing.T) {
recorderCalled := make(chan struct{})
loggerCalled := make(chan struct{})
// Fail each event a few times to ensure there's some load on the tested code.
var counts [1000]int
testEvents := testEventSink{
OnCreate: func(event *v1.Event) (*v1.Event, error) {
num, err := strconv.Atoi(event.Message)
if err != nil {
t.Error(err)
return event, nil
}
counts[num]++
if counts[num] < 5 {
return nil, fmt.Errorf("fake error")
}
recorderCalled <- struct{}{}
return event, nil
},
}
eventBroadcaster := NewBroadcasterForTests(0)
sinkWatcher := eventBroadcaster.StartRecordingToSink(&testEvents)
logWatcher := eventBroadcaster.StartLogging(func(formatter string, args ...interface{}) {
loggerCalled <- struct{}{}
})
recorder := eventBroadcaster.NewRecorder(scheme.Scheme, v1.EventSource{Component: "eventTest"})
for i := 0; i < maxQueuedEvents; i++ {
// we want a unique object to stop spam filtering
ref := &v1.ObjectReference{
Kind: "Pod",
Name: fmt.Sprintf("foo-%v", i),
Namespace: "baz",
UID: "bar",
APIVersion: "version",
}
// we need to vary the reason to prevent aggregation
go recorder.Eventf(ref, v1.EventTypeNormal, "Reason-"+strconv.Itoa(i), strconv.Itoa(i))
}
// Make sure no events were dropped by either of the listeners.
for i := 0; i < maxQueuedEvents; i++ {
<-recorderCalled
<-loggerCalled
}
// Make sure that every event was attempted 5 times
for i := 0; i < maxQueuedEvents; i++ {
if counts[i] < 5 {
t.Errorf("Only attempted to record event '%d' %d times.", i, counts[i])
}
}
sinkWatcher.Stop()
logWatcher.Stop()
}
func TestEventfNoNamespace(t *testing.T) {
testPod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
UID: "bar",
},
}
testRef, err := ref.GetPartialReference(scheme.Scheme, testPod, "spec.containers[2]")
if err != nil {
t.Fatal(err)
}
table := []struct {
obj k8sruntime.Object
eventtype string
reason string
messageFmt string
elements []interface{}
expect *v1.Event
expectLog string
expectUpdate bool
}{
{
obj: testRef,
eventtype: v1.EventTypeNormal,
reason: "Started",
messageFmt: "some verbose message: %v",
elements: []interface{}{1},
expect: &v1.Event{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Namespace: "default",
},
InvolvedObject: v1.ObjectReference{
Kind: "Pod",
Name: "foo",
Namespace: "",
UID: "bar",
APIVersion: "v1",
FieldPath: "spec.containers[2]",
},
Reason: "Started",
Message: "some verbose message: 1",
Source: v1.EventSource{Component: "eventTest"},
Count: 1,
Type: v1.EventTypeNormal,
},
expectLog: `Event(v1.ObjectReference{Kind:"Pod", Namespace:"", Name:"foo", UID:"bar", APIVersion:"v1", ResourceVersion:"", FieldPath:"spec.containers[2]"}): type: 'Normal' reason: 'Started' some verbose message: 1`,
expectUpdate: false,
},
}
testCache := map[string]*v1.Event{}
logCalled := make(chan struct{})
createEvent := make(chan *v1.Event)
updateEvent := make(chan *v1.Event)
patchEvent := make(chan *v1.Event)
testEvents := testEventSink{
OnCreate: OnCreateFactory(testCache, createEvent),
OnUpdate: func(event *v1.Event) (*v1.Event, error) {
updateEvent <- event
return event, nil
},
OnPatch: OnPatchFactory(testCache, patchEvent),
}
eventBroadcaster := NewBroadcasterForTests(0)
sinkWatcher := eventBroadcaster.StartRecordingToSink(&testEvents)
clock := testclocks.NewFakeClock(time.Now())
recorder := recorderWithFakeClock(v1.EventSource{Component: "eventTest"}, eventBroadcaster, clock)
for index, item := range table {
clock.Step(1 * time.Second)
logWatcher := eventBroadcaster.StartLogging(func(formatter string, args ...interface{}) {
if e, a := item.expectLog, fmt.Sprintf(formatter, args...); e != a {
t.Errorf("Expected '%v', got '%v'", e, a)
}
logCalled <- struct{}{}
})
recorder.Eventf(item.obj, item.eventtype, item.reason, item.messageFmt, item.elements...)
<-logCalled
// validate event
if item.expectUpdate {
actualEvent := <-patchEvent
validateEvent(strconv.Itoa(index), actualEvent, item.expect, t)
} else {
actualEvent := <-createEvent
validateEvent(strconv.Itoa(index), actualEvent, item.expect, t)
}
logWatcher.Stop()
}
sinkWatcher.Stop()
}
func TestMultiSinkCache(t *testing.T) {
testPod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Namespace: "baz",
UID: "bar",
},
}
testPod2 := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Namespace: "baz",
UID: "differentUid",
},
}
testRef, err := ref.GetPartialReference(scheme.Scheme, testPod, "spec.containers[2]")
if err != nil {
t.Fatal(err)
}
testRef2, err := ref.GetPartialReference(scheme.Scheme, testPod2, "spec.containers[3]")
if err != nil {
t.Fatal(err)
}
table := []struct {
obj k8sruntime.Object
eventtype string
reason string
messageFmt string
elements []interface{}
expect *v1.Event
expectLog string
expectUpdate bool
}{
{
obj: testRef,
eventtype: v1.EventTypeNormal,
reason: "Started",
messageFmt: "some verbose message: %v",
elements: []interface{}{1},
expect: &v1.Event{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Namespace: "baz",
},
InvolvedObject: v1.ObjectReference{
Kind: "Pod",
Name: "foo",
Namespace: "baz",
UID: "bar",
APIVersion: "v1",
FieldPath: "spec.containers[2]",
},
Reason: "Started",
Message: "some verbose message: 1",
Source: v1.EventSource{Component: "eventTest"},
Count: 1,
Type: v1.EventTypeNormal,
},
expectLog: `Event(v1.ObjectReference{Kind:"Pod", Namespace:"baz", Name:"foo", UID:"bar", APIVersion:"v1", ResourceVersion:"", FieldPath:"spec.containers[2]"}): type: 'Normal' reason: 'Started' some verbose message: 1`,
expectUpdate: false,
},
{
obj: testPod,
eventtype: v1.EventTypeNormal,
reason: "Killed",
messageFmt: "some other verbose message: %v",
elements: []interface{}{1},
expect: &v1.Event{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Namespace: "baz",
},
InvolvedObject: v1.ObjectReference{
Kind: "Pod",
Name: "foo",
Namespace: "baz",
UID: "bar",
APIVersion: "v1",
},
Reason: "Killed",
Message: "some other verbose message: 1",
Source: v1.EventSource{Component: "eventTest"},
Count: 1,
Type: v1.EventTypeNormal,
},
expectLog: `Event(v1.ObjectReference{Kind:"Pod", Namespace:"baz", Name:"foo", UID:"bar", APIVersion:"v1", ResourceVersion:"", FieldPath:""}): type: 'Normal' reason: 'Killed' some other verbose message: 1`,
expectUpdate: false,
},
{
obj: testRef,
eventtype: v1.EventTypeNormal,
reason: "Started",
messageFmt: "some verbose message: %v",
elements: []interface{}{1},
expect: &v1.Event{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Namespace: "baz",
},
InvolvedObject: v1.ObjectReference{
Kind: "Pod",
Name: "foo",
Namespace: "baz",
UID: "bar",
APIVersion: "v1",
FieldPath: "spec.containers[2]",
},
Reason: "Started",
Message: "some verbose message: 1",
Source: v1.EventSource{Component: "eventTest"},
Count: 2,
Type: v1.EventTypeNormal,
},
expectLog: `Event(v1.ObjectReference{Kind:"Pod", Namespace:"baz", Name:"foo", UID:"bar", APIVersion:"v1", ResourceVersion:"", FieldPath:"spec.containers[2]"}): type: 'Normal' reason: 'Started' some verbose message: 1`,
expectUpdate: true,
},
{
obj: testRef2,
eventtype: v1.EventTypeNormal,
reason: "Started",
messageFmt: "some verbose message: %v",
elements: []interface{}{1},
expect: &v1.Event{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Namespace: "baz",
},
InvolvedObject: v1.ObjectReference{
Kind: "Pod",
Name: "foo",
Namespace: "baz",
UID: "differentUid",
APIVersion: "v1",
FieldPath: "spec.containers[3]",
},
Reason: "Started",
Message: "some verbose message: 1",
Source: v1.EventSource{Component: "eventTest"},
Count: 1,
Type: v1.EventTypeNormal,
},
expectLog: `Event(v1.ObjectReference{Kind:"Pod", Namespace:"baz", Name:"foo", UID:"differentUid", APIVersion:"v1", ResourceVersion:"", FieldPath:"spec.containers[3]"}): type: 'Normal' reason: 'Started' some verbose message: 1`,
expectUpdate: false,
},
{
obj: testRef,
eventtype: v1.EventTypeNormal,
reason: "Started",
messageFmt: "some verbose message: %v",
elements: []interface{}{1},
expect: &v1.Event{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Namespace: "baz",
},
InvolvedObject: v1.ObjectReference{
Kind: "Pod",
Name: "foo",
Namespace: "baz",
UID: "bar",
APIVersion: "v1",
FieldPath: "spec.containers[2]",
},
Reason: "Started",
Message: "some verbose message: 1",
Source: v1.EventSource{Component: "eventTest"},
Count: 3,
Type: v1.EventTypeNormal,
},
expectLog: `Event(v1.ObjectReference{Kind:"Pod", Namespace:"baz", Name:"foo", UID:"bar", APIVersion:"v1", ResourceVersion:"", FieldPath:"spec.containers[2]"}): type: 'Normal' reason: 'Started' some verbose message: 1`,
expectUpdate: true,
},
{
obj: testRef2,
eventtype: v1.EventTypeNormal,
reason: "Stopped",
messageFmt: "some verbose message: %v",
elements: []interface{}{1},
expect: &v1.Event{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Namespace: "baz",
},
InvolvedObject: v1.ObjectReference{
Kind: "Pod",
Name: "foo",
Namespace: "baz",
UID: "differentUid",
APIVersion: "v1",
FieldPath: "spec.containers[3]",
},
Reason: "Stopped",
Message: "some verbose message: 1",
Source: v1.EventSource{Component: "eventTest"},
Count: 1,
Type: v1.EventTypeNormal,
},
expectLog: `Event(v1.ObjectReference{Kind:"Pod", Namespace:"baz", Name:"foo", UID:"differentUid", APIVersion:"v1", ResourceVersion:"", FieldPath:"spec.containers[3]"}): type: 'Normal' reason: 'Stopped' some verbose message: 1`,
expectUpdate: false,
},
{
obj: testRef2,
eventtype: v1.EventTypeNormal,
reason: "Stopped",
messageFmt: "some verbose message: %v",
elements: []interface{}{1},
expect: &v1.Event{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
Namespace: "baz",
},
InvolvedObject: v1.ObjectReference{
Kind: "Pod",
Name: "foo",
Namespace: "baz",
UID: "differentUid",
APIVersion: "v1",
FieldPath: "spec.containers[3]",
},
Reason: "Stopped",
Message: "some verbose message: 1",
Source: v1.EventSource{Component: "eventTest"},
Count: 2,
Type: v1.EventTypeNormal,
},
expectLog: `Event(v1.ObjectReference{Kind:"Pod", Namespace:"baz", Name:"foo", UID:"differentUid", APIVersion:"v1", ResourceVersion:"", FieldPath:"spec.containers[3]"}): type: 'Normal' reason: 'Stopped' some verbose message: 1`,
expectUpdate: true,
},
}
testCache := map[string]*v1.Event{}
createEvent := make(chan *v1.Event)
updateEvent := make(chan *v1.Event)
patchEvent := make(chan *v1.Event)
testEvents := testEventSink{
OnCreate: OnCreateFactory(testCache, createEvent),
OnUpdate: func(event *v1.Event) (*v1.Event, error) {
updateEvent <- event
return event, nil
},
OnPatch: OnPatchFactory(testCache, patchEvent),
}
testCache2 := map[string]*v1.Event{}
createEvent2 := make(chan *v1.Event)
updateEvent2 := make(chan *v1.Event)
patchEvent2 := make(chan *v1.Event)
testEvents2 := testEventSink{
OnCreate: OnCreateFactory(testCache2, createEvent2),
OnUpdate: func(event *v1.Event) (*v1.Event, error) {
updateEvent2 <- event
return event, nil
},
OnPatch: OnPatchFactory(testCache2, patchEvent2),
}
eventBroadcaster := NewBroadcasterForTests(0)
clock := testclocks.NewFakeClock(time.Now())
recorder := recorderWithFakeClock(v1.EventSource{Component: "eventTest"}, eventBroadcaster, clock)
sinkWatcher := eventBroadcaster.StartRecordingToSink(&testEvents)
for index, item := range table {
clock.Step(1 * time.Second)
recorder.Eventf(item.obj, item.eventtype, item.reason, item.messageFmt, item.elements...)
// validate event
if item.expectUpdate {
actualEvent := <-patchEvent
validateEvent(strconv.Itoa(index), actualEvent, item.expect, t)
} else {
actualEvent := <-createEvent
validateEvent(strconv.Itoa(index), actualEvent, item.expect, t)
}
}
// Another StartRecordingToSink call should start to record events with new clean cache.
sinkWatcher2 := eventBroadcaster.StartRecordingToSink(&testEvents2)
for index, item := range table {
clock.Step(1 * time.Second)
recorder.Eventf(item.obj, item.eventtype, item.reason, item.messageFmt, item.elements...)
// validate event
if item.expectUpdate {
actualEvent := <-patchEvent2
validateEvent(strconv.Itoa(index), actualEvent, item.expect, t)
} else {
actualEvent := <-createEvent2
validateEvent(strconv.Itoa(index), actualEvent, item.expect, t)
}
}
sinkWatcher.Stop()
sinkWatcher2.Stop()
}
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