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 (h *ActualLRPHandler) GetAllByProcessGuid(w http.ResponseWriter, req *http.Request) {
processGuid := req.FormValue(":process_guid")
logger := h.logger.Session("get-all-by-process-guid", lager.Data{
"ProcessGuid": processGuid,
})
if processGuid == "" {
err := errors.New("process_guid missing from request")
logger.Error("missing-process-guid", err)
writeBadRequestResponse(w, receptor.InvalidRequest, err)
return
}
actualLRPGroupsByIndex, err := h.bbs.ActualLRPGroupsByProcessGuid(processGuid)
if err != nil {
logger.Error("failed-to-fetch-actual-lrp-groups-by-process-guid", err)
writeUnknownErrorResponse(w, err)
return
}
responses := make([]receptor.ActualLRPResponse, 0, len(actualLRPGroupsByIndex))
for _, actualLRPGroup := range actualLRPGroupsByIndex {
lrp, evacuating := actualLRPGroup.Resolve()
responses = append(responses, serialization.ActualLRPProtoToResponse(lrp, evacuating))
}
writeJSONResponse(w, http.StatusOK, responses)
}
func (h *ActualLRPHandler) GetAll(w http.ResponseWriter, req *http.Request) {
domain := req.FormValue("domain")
logger := h.logger.Session("get-all", lager.Data{
"domain": domain,
})
filter := models.ActualLRPFilter{Domain: domain}
actualLRPGroups, err := h.bbs.ActualLRPGroups(filter)
if err != nil {
logger.Error("failed-to-fetch-actual-lrp-groups", err)
writeUnknownErrorResponse(w, err)
return
}
responses := make([]receptor.ActualLRPResponse, 0, len(actualLRPGroups))
for _, actualLRPGroup := range actualLRPGroups {
lrp, evacuating, err := actualLRPGroup.Resolve()
if err != nil {
continue
}
responses = append(responses, serialization.ActualLRPProtoToResponse(*lrp, evacuating))
}
writeJSONResponse(w, http.StatusOK, responses)
}
func (h *ActualLRPHandler) GetByProcessGuidAndIndex(w http.ResponseWriter, req *http.Request) {
processGuid := req.FormValue(":process_guid")
indexString := req.FormValue(":index")
logger := h.logger.Session("get-by-process-guid-and-index", lager.Data{
"ProcessGuid": processGuid,
"Index": indexString,
})
if processGuid == "" {
err := errors.New("process_guid missing from request")
logger.Error("missing-process-guid", err)
writeBadRequestResponse(w, receptor.InvalidRequest, err)
return
}
if indexString == "" {
err := errors.New("index missing from request")
logger.Error("missing-index", err)
writeBadRequestResponse(w, receptor.InvalidRequest, err)
return
}
var err error
index, indexErr := strconv.Atoi(indexString)
if indexErr != nil {
err = errors.New("index not a number")
logger.Error("invalid-index", err)
writeBadRequestResponse(w, receptor.InvalidRequest, err)
return
}
actualLRPGroup, err := h.bbs.ActualLRPGroupByProcessGuidAndIndex(processGuid, index)
if err != nil {
if e, ok := err.(*models.Error); ok && e.Equal(models.ErrResourceNotFound) {
writeJSONResponse(w, http.StatusNotFound, nil)
} else {
logger.Error("failed-to-fetch-actual-lrps-by-process-guid", err)
writeUnknownErrorResponse(w, err)
}
return
}
actualLRP, evacuating := actualLRPGroup.Resolve()
writeJSONResponse(w, http.StatusOK, serialization.ActualLRPProtoToResponse(actualLRP, evacuating))
}
By("creating a ActualLRP")
err := legacyBBS.DesireLRP(logger, oldDesiredLRP)
Expect(err).NotTo(HaveOccurred())
actualLRPGroup, err := bbsClient.ActualLRPGroupByProcessGuidAndIndex(oldDesiredLRP.ProcessGuid, 0)
Expect(err).NotTo(HaveOccurred())
actualLRP := actualLRPGroup.Instance
var event receptor.Event
Eventually(func() receptor.Event {
Eventually(events).Should(Receive(&event))
return event
}).Should(BeAssignableToTypeOf(receptor.ActualLRPCreatedEvent{}))
actualLRPCreatedEvent := event.(receptor.ActualLRPCreatedEvent)
Expect(actualLRPCreatedEvent.ActualLRPResponse).To(Equal(serialization.ActualLRPProtoToResponse(actualLRP, false)))
By("updating the existing ActualLRP")
_, err = bbsClient.ClaimActualLRP(processGuid, 0, &oldInstanceKey)
Expect(err).NotTo(HaveOccurred())
before := actualLRP
actualLRPGroup, err = bbsClient.ActualLRPGroupByProcessGuidAndIndex(oldDesiredLRP.ProcessGuid, 0)
Expect(err).NotTo(HaveOccurred())
actualLRP = actualLRPGroup.Instance
Eventually(func() receptor.Event {
Eventually(events).Should(Receive(&event))
return event
}).Should(BeAssignableToTypeOf(receptor.ActualLRPChangedEvent{}))
desiredLRPRemovedEvent, ok := event.(receptor.DesiredLRPRemovedEvent)
Expect(ok).To(BeTrue())
Expect(desiredLRPRemovedEvent).To(Equal(expectedEvent))
})
})
})
Describe("Actual LRP Events", func() {
var actualLRPResponse receptor.ActualLRPResponse
BeforeEach(func() {
actualLRPResponse = serialization.ActualLRPProtoToResponse(
&models.ActualLRP{
ActualLRPKey: models.NewActualLRPKey("some-guid", 0, "some-domain"),
State: models.ActualLRPStateUnclaimed,
Since: 1,
},
false,
)
})
Context("when receiving a ActualLRPCreatedEvent", func() {
var expectedEvent receptor.ActualLRPCreatedEvent
BeforeEach(func() {
expectedEvent = receptor.NewActualLRPCreatedEvent(actualLRPResponse)
payload, err := json.Marshal(expectedEvent)
Expect(err).NotTo(HaveOccurred())
fakeRawEventSource.NextReturns(
sse.Event{
handler.GetAll(responseRecorder, newTestRequest(""))
Expect(responseRecorder.Code).To(Equal(http.StatusOK))
})
Context("when a domain query param is provided", func() {
It("returns a list of desired lrp responses for the domain", func() {
request, err := http.NewRequest("", "http://example.com?domain=domain-1", nil)
Expect(err).NotTo(HaveOccurred())
handler.GetAll(responseRecorder, request)
response := []receptor.ActualLRPResponse{}
err = json.Unmarshal(responseRecorder.Body.Bytes(), &response)
Expect(err).NotTo(HaveOccurred())
Expect(response).To(HaveLen(1))
Expect(response[0]).To(Equal(serialization.ActualLRPProtoToResponse(evacuatingLRP2, true)))
})
})
Context("when a domain query param is not provided", func() {
It("returns a list of desired lrp responses", func() {
handler.GetAll(responseRecorder, newTestRequest(""))
response := []receptor.ActualLRPResponse{}
err := json.Unmarshal(responseRecorder.Body.Bytes(), &response)
Expect(err).NotTo(HaveOccurred())
Expect(response).To(HaveLen(2))
Expect(response[0].ProcessGuid).To(Equal("process-guid-0"))
Expect(response[1].ProcessGuid).To(Equal("process-guid-1"))
expectedResponses := []receptor.ActualLRPResponse{
serialization.ActualLRPToResponse(oldActualLRP1, false),
It("fetches all of the actual lrps", func() {
Expect(actualLRPResponses).To(HaveLen(lrpCount))
})
It("has the correct data from the BBS", func() {
actualLRPGroups, err := bbsClient.ActualLRPGroups(models.ActualLRPFilter{})
Expect(err).NotTo(HaveOccurred())
expectedResponses := make([]receptor.ActualLRPResponse, 0, lrpCount)
for _, actualLRPGroup := range actualLRPGroups {
actualLRP, evacuating, _ := actualLRPGroup.Resolve()
if actualLRP.ActualLRPKey == evacuatingLRPKey {
continue
}
expectedResponses = append(expectedResponses, serialization.ActualLRPProtoToResponse(*actualLRP, evacuating))
}
Expect(actualLRPResponses).To(ConsistOf(expectedResponses))
})
})
Describe("ActualLRPsByDomain", func() {
var actualLRPResponses []receptor.ActualLRPResponse
var getErr error
BeforeEach(func() {
actualLRPResponses, getErr = client.ActualLRPsByDomain("domain-0")
})
It("responds without an error", func() {
handler.GetAll(responseRecorder, newTestRequest(""))
Expect(responseRecorder.Code).To(Equal(http.StatusOK))
})
Context("when a domain query param is provided", func() {
It("returns a list of desired lrp responses for the domain", func() {
request, err := http.NewRequest("", "http://example.com?domain=domain-1", nil)
Expect(err).NotTo(HaveOccurred())
handler.GetAll(responseRecorder, request)
response := []receptor.ActualLRPResponse{}
err = json.Unmarshal(responseRecorder.Body.Bytes(), &response)
Expect(err).NotTo(HaveOccurred())
Expect(response).To(HaveLen(1))
Expect(response[0]).To(Equal(serialization.ActualLRPProtoToResponse(evacuatingLRP2, true)))
})
})
Context("when a domain query param is not provided", func() {
It("returns a list of desired lrp responses", func() {
handler.GetAll(responseRecorder, newTestRequest(""))
response := []receptor.ActualLRPResponse{}
err := json.Unmarshal(responseRecorder.Body.Bytes(), &response)
Expect(err).NotTo(HaveOccurred())
Expect(response).To(HaveLen(2))
Expect(response[0].ProcessGuid).To(Equal("process-guid-0"))
Expect(response[1].ProcessGuid).To(Equal("process-guid-1"))
expectedResponses := []receptor.ActualLRPResponse{
serialization.ActualLRPProtoToResponse(actualLRP1, false),
{
ContainerPort: 2345,
HostPort: 9876,
},
},
State: receptor.ActualLRPStateRunning,
CrashCount: 42,
Since: 99999999999,
Evacuating: true,
ModificationTag: receptor.ModificationTag{
Epoch: "some-guid",
Index: 50,
},
}
actualResponse := serialization.ActualLRPProtoToResponse(actualLRP, true)
Expect(actualResponse).To(Equal(expectedResponse))
})
It("maps model states to receptor states", func() {
expectedStateMap := map[string]receptor.ActualLRPState{
models.ActualLRPStateUnclaimed: receptor.ActualLRPStateUnclaimed,
models.ActualLRPStateClaimed: receptor.ActualLRPStateClaimed,
models.ActualLRPStateRunning: receptor.ActualLRPStateRunning,
models.ActualLRPStateCrashed: receptor.ActualLRPStateCrashed,
}
for modelState, jsonState := range expectedStateMap {
actualLRP.State = modelState
Expect(serialization.ActualLRPProtoToResponse(actualLRP, false).State).To(Equal(jsonState))
}
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())
event, err = reader.Next()
Expect(err).NotTo(HaveOccurred())
Expect(event.ID).To(Equal("1"))
Expect(event.Name).To(Equal(string(receptor.EventTypeActualLRPCreated)))
Expect(event.Data).To(MatchJSON(data))
eventChannel <- eventfakes.FakeEvent{"B"}
close(done)
})
It("returns Content-Type as text/event-stream", func() {
response := &http.Response{}
Eventually(responseChan).Should(Receive(&response))
It("fetches all of the actual lrps", func() {
Expect(actualLRPResponses).To(HaveLen(lrpCount))
})
It("has the correct data from the BBS", func() {
actualLRPGroups, err := bbsClient.ActualLRPGroups(models.ActualLRPFilter{})
Expect(err).NotTo(HaveOccurred())
expectedResponses := make([]receptor.ActualLRPResponse, 0, lrpCount)
for _, actualLRPGroup := range actualLRPGroups {
actualLRP, evacuating, _ := actualLRPGroup.Resolve()
if actualLRP.ActualLRPKey == evacuatingLRPKey {
continue
}
expectedResponses = append(expectedResponses, serialization.ActualLRPProtoToResponse(*actualLRP, evacuating))
}
Expect(actualLRPResponses).To(ConsistOf(expectedResponses))
})
})
Describe("ActualLRPsByDomain", func() {
var actualLRPResponses []receptor.ActualLRPResponse
var getErr error
BeforeEach(func() {
actualLRPResponses, getErr = client.ActualLRPsByDomain("domain-0")
})
It("responds without an error", func() {
