Add EventSource to api to have both Component and Host information.

pkg/client/record/event.go

@@ -41,13 +41,13 @@ type EventRecorder interface {
 // StartRecording starts sending events to recorder. Call once while initializing
 // your binary. Subsequent calls will be ignored. The return value can be ignored
 // or used to stop recording, if desired.
-func StartRecording(recorder EventRecorder, sourceName string) watch.Interface {
+func StartRecording(recorder EventRecorder, source api.EventSource) watch.Interface {
 	return GetEvents(func(event *api.Event) {
 		// Make a copy before modification, because there could be multiple listeners.
 		// Events are safe to copy like this.
 		eventCopy := *event
 		event = &eventCopy
-		event.Source = sourceName
+		event.Source = source
 		try := 0
 		for {
 			try++

pkg/client/record/event_test.go

@@ -89,7 +89,7 @@ func TestEventf(t *testing.T) {
 				Condition: "Running",
 				Reason:    "Started",
 				Message:   "some verbose message: 1",
-				Source:    "eventTest",
+				Source:    api.EventSource{Component: "eventTest"},
 			},
 			expectLog: `Event(api.ObjectReference{Kind:"Pod", Namespace:"baz", Name:"foo", UID:"bar", APIVersion:"v1beta1", ResourceVersion:"", FieldPath:"desiredState.manifest.containers[2]"}): status: 'Running', reason: 'Started' some verbose message: 1`,
 		},
@@ -114,7 +114,7 @@ func TestEventf(t *testing.T) {
 				Condition: "Running",
 				Reason:    "Started",
 				Message:   "some verbose message: 1",
-				Source:    "eventTest",
+				Source:    api.EventSource{Component: "eventTest"},
 			},
 			expectLog: `Event(api.ObjectReference{Kind:"Pod", Namespace:"baz", Name:"foo", UID:"bar", APIVersion:"v1beta1", ResourceVersion:"", FieldPath:""}): status: 'Running', reason: 'Started' some verbose message: 1`,
 		},
@@ -142,7 +142,7 @@ func TestEventf(t *testing.T) {
 				return event, nil
 			},
 		}
-		recorder := record.StartRecording(&testEvents, "eventTest")
+		recorder := record.StartRecording(&testEvents, api.EventSource{Component: "eventTest"})
 		logger := record.StartLogging(t.Logf) // Prove that it is useful
 		logger2 := record.StartLogging(func(formatter string, args ...interface{}) {
 			if e, a := item.expectLog, fmt.Sprintf(formatter, args...); e != a {
@@ -223,7 +223,7 @@ func TestWriteEventError(t *testing.T) {
 				return event, nil
 			},
 		},
-		"eventTest",
+		api.EventSource{Component: "eventTest"},
 	).Stop()
 
 	for caseName := range table {