func NewEventFromBBS(bbsEvent models.Event) (receptor.Event, error) {
switch bbsEvent := bbsEvent.(type) {
case *models.ActualLRPCreatedEvent:
actualLRP, evacuating := bbsEvent.ActualLrpGroup.Resolve()
return receptor.NewActualLRPCreatedEvent(serialization.ActualLRPProtoToResponse(actualLRP, evacuating)), nil
case *models.ActualLRPChangedEvent:
before, evacuating := bbsEvent.Before.Resolve()
after, evacuating := bbsEvent.After.Resolve()
return receptor.NewActualLRPChangedEvent(
serialization.ActualLRPProtoToResponse(before, evacuating),
serialization.ActualLRPProtoToResponse(after, evacuating),
), nil
case *models.ActualLRPRemovedEvent:
actualLRP, evacuating := bbsEvent.ActualLrpGroup.Resolve()
return receptor.NewActualLRPRemovedEvent(serialization.ActualLRPProtoToResponse(actualLRP, evacuating)), nil
case *models.DesiredLRPCreatedEvent:
return receptor.NewDesiredLRPCreatedEvent(serialization.DesiredLRPProtoToResponse(bbsEvent.DesiredLrp)), nil
case *models.DesiredLRPChangedEvent:
return receptor.NewDesiredLRPChangedEvent(
serialization.DesiredLRPProtoToResponse(bbsEvent.Before),
serialization.DesiredLRPProtoToResponse(bbsEvent.After),
), nil
case *models.DesiredLRPRemovedEvent:
return receptor.NewDesiredLRPRemovedEvent(serialization.DesiredLRPProtoToResponse(bbsEvent.DesiredLrp)), nil
}
return nil, fmt.Errorf("unknown event type: %#v", bbsEvent)
}
func (w *watcher) watchDesired(logger lager.Logger) (chan<- bool, <-chan error) {
return w.bbs.WatchForDesiredLRPChanges(logger,
func(created models.DesiredLRP) {
logger.Debug("handling-desired-create")
w.hub.Emit(receptor.NewDesiredLRPCreatedEvent(serialization.DesiredLRPToResponse(created)))
},
func(changed models.DesiredLRPChange) {
logger.Debug("handling-desired-change")
w.hub.Emit(receptor.NewDesiredLRPChangedEvent(
serialization.DesiredLRPToResponse(changed.Before),
serialization.DesiredLRPToResponse(changed.After),
))
},
func(deleted models.DesiredLRP) {
logger.Debug("handling-desired-delete")
w.hub.Emit(receptor.NewDesiredLRPRemovedEvent(serialization.DesiredLRPToResponse(deleted)))
})
}
ProcessGuid: "some-guid",
Domain: "some-domain",
RootFs: "some-rootfs",
Action: models.WrapAction(&models.RunAction{
Path: "true",
User: "******",
}),
},
)
})
Context("when receiving a DesiredLRPCreatedEvent", func() {
var expectedEvent receptor.DesiredLRPCreatedEvent
BeforeEach(func() {
expectedEvent = receptor.NewDesiredLRPCreatedEvent(desiredLRPResponse)
payload, err := json.Marshal(expectedEvent)
Expect(err).NotTo(HaveOccurred())
fakeRawEventSource.NextReturns(
sse.Event{
ID: "hi",
Name: string(expectedEvent.EventType()),
Data: payload,
},
nil,
)
})
It("returns the event", func() {
event, err := eventSource.Next()
response := &http.Response{}
Eventually(responseChan).Should(Receive(&response))
reader := sse.NewReadCloser(response.Body)
desiredLRP := &models.DesiredLRP{
ProcessGuid: "some-guid",
Domain: "some-domain",
RootFs: "some-rootfs",
Action: models.WrapAction(&models.RunAction{
Path: "true",
User: "******",
}),
}
eventChannel <- models.NewDesiredLRPCreatedEvent(desiredLRP)
data, err := json.Marshal(receptor.NewDesiredLRPCreatedEvent(serialization.DesiredLRPProtoToResponse(desiredLRP)))
Expect(err).NotTo(HaveOccurred())
event, err := reader.Next()
Expect(err).NotTo(HaveOccurred())
Expect(event.ID).To(Equal("0"))
Expect(event.Name).To(Equal(string(receptor.EventTypeDesiredLRPCreated)))
Expect(event.Data).To(MatchJSON(data))
actualLRP := models.NewUnclaimedActualLRP(models.NewActualLRPKey("some-guid", 3, "some-domain"), 0)
actualLRPGroup := &models.ActualLRPGroup{Instance: actualLRP}
eventChannel <- models.NewActualLRPCreatedEvent(actualLRPGroup)
data, err = json.Marshal(receptor.NewActualLRPCreatedEvent(serialization.ActualLRPProtoToResponse(actualLRP, false)))
Expect(err).NotTo(HaveOccurred())