func (h *ActualLRPLifecycleHandler) ClaimActualLRP(logger lager.Logger, w http.ResponseWriter, req *http.Request) {
	var err error
	logger = logger.Session("claim-actual-lrp")

	request := &models.ClaimActualLRPRequest{}
	response := &models.ActualLRPLifecycleResponse{}
	defer func() { exitIfUnrecoverable(logger, h.exitChan, response.Error) }()
	defer writeResponse(w, response)

	err = parseRequest(logger, req, request)
	if err != nil {
		response.Error = models.ConvertError(err)
		return
	}

	before, after, err := h.db.ClaimActualLRP(logger, request.ProcessGuid, request.Index, request.ActualLrpInstanceKey)
	if err != nil {
		response.Error = models.ConvertError(err)
		return
	}

	if !after.Equal(before) {
		go h.actualHub.Emit(models.NewActualLRPChangedEvent(before, after))
	}
}
Esempio n. 2
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// returns nil, nil if no version is found
func (m *Manager) resolveStoredVersion(logger lager.Logger) (*models.Version, error) {
	var (
		version *models.Version
		err     error
	)

	if m.hasSQLConfigured() {
		version, err = m.sqlDB.Version(logger)
		if err == nil {
			return version, nil
		} else if models.ConvertError(err) != models.ErrResourceNotFound {
			return nil, err
		}
	}

	if m.hasETCDConfigured() {
		version, err = m.etcdDB.Version(logger)
		if err != nil {
			if models.ConvertError(err) == models.ErrResourceNotFound {
				return nil, nil // totally fresh deploy
			}
			return nil, err
		}
		return version, nil
	}
	return nil, nil
}
func (h *ActualLRPLifecycleHandler) StartActualLRP(logger lager.Logger, w http.ResponseWriter, req *http.Request) {
	var err error

	logger = logger.Session("start-actual-lrp")

	request := &models.StartActualLRPRequest{}
	response := &models.ActualLRPLifecycleResponse{}

	defer func() { exitIfUnrecoverable(logger, h.exitChan, response.Error) }()
	defer writeResponse(w, response)

	err = parseRequest(logger, req, request)
	if err != nil {
		response.Error = models.ConvertError(err)
		return
	}

	before, after, err := h.db.StartActualLRP(logger, request.ActualLrpKey, request.ActualLrpInstanceKey, request.ActualLrpNetInfo)
	if err != nil {
		response.Error = models.ConvertError(err)
		return
	}

	if before == nil {
		go h.actualHub.Emit(models.NewActualLRPCreatedEvent(after))
	} else if !before.Equal(after) {
		go h.actualHub.Emit(models.NewActualLRPChangedEvent(before, after))
	}
}
func (h *TaskHandler) commonTasks(logger lager.Logger, w http.ResponseWriter, req *http.Request, version format.Version) {
	var err error
	logger = logger.Session("tasks", lager.Data{"revision": 0})

	request := &models.TasksRequest{}
	response := &models.TasksResponse{}

	defer func() { exitIfUnrecoverable(logger, h.exitChan, response.Error) }()
	defer writeResponse(w, response)

	err = parseRequest(logger, req, request)
	if err != nil {
		logger.Error("failed-parsing-request", err)
		response.Error = models.ConvertError(err)
		return
	}

	filter := models.TaskFilter{Domain: request.Domain, CellID: request.CellId}
	response.Tasks, err = h.controller.Tasks(logger, filter.Domain, filter.CellID)
	if err != nil {
		response.Error = models.ConvertError(err)
		return
	}

	for i := range response.Tasks {
		task := response.Tasks[i]
		if task.TaskDefinition == nil {
			continue
		}
		response.Tasks[i] = task.VersionDownTo(version)
	}
}
Esempio n. 5
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func (db *serviceClient) Cells(logger lager.Logger) (models.CellSet, error) {
	kvPairs, _, err := db.consulClient.KV().List(CellSchemaRoot(), nil)
	if err != nil {
		bbsErr := models.ConvertError(convertConsulError(err))
		if bbsErr.Type != models.Error_ResourceNotFound {
			return nil, bbsErr
		}
	}

	if kvPairs == nil {
		err = consuladapter.NewPrefixNotFoundError(CellSchemaRoot())
		bbsErr := models.ConvertError(convertConsulError(err))
		if bbsErr.Type != models.Error_ResourceNotFound {
			return nil, bbsErr
		}
	}

	cellPresences := models.NewCellSet()
	for _, kvPair := range kvPairs {
		if kvPair.Session == "" {
			continue
		}

		cell := kvPair.Value
		presence := new(models.CellPresence)
		err := models.FromJSON(cell, presence)
		if err != nil {
			logger.Error("failed-to-unmarshal-cells-json", err)
			continue
		}
		cellPresences.Add(presence)
	}

	return cellPresences, nil
}
Esempio n. 6
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func (h *DesiredLRPHandler) DesireDesiredLRP(logger lager.Logger, w http.ResponseWriter, req *http.Request) {
	logger = logger.Session("desire-lrp")

	request := &models.DesireLRPRequest{}
	response := &models.DesiredLRPLifecycleResponse{}
	defer func() { exitIfUnrecoverable(logger, h.exitChan, response.Error) }()
	defer writeResponse(w, response)

	err := parseRequest(logger, req, request)
	if err != nil {
		response.Error = models.ConvertError(err)
		return
	}

	err = h.desiredLRPDB.DesireLRP(logger, request.DesiredLrp)
	if err != nil {
		response.Error = models.ConvertError(err)
		return
	}

	desiredLRP, err := h.desiredLRPDB.DesiredLRPByProcessGuid(logger, request.DesiredLrp.ProcessGuid)
	if err != nil {
		response.Error = models.ConvertError(err)
		return
	}

	go h.desiredHub.Emit(models.NewDesiredLRPCreatedEvent(desiredLRP))

	schedulingInfo := request.DesiredLrp.DesiredLRPSchedulingInfo()
	h.startInstanceRange(logger, 0, schedulingInfo.Instances, &schedulingInfo)
}
Esempio n. 7
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func (h *DesiredLRPHandler) RemoveDesiredLRP(logger lager.Logger, w http.ResponseWriter, req *http.Request) {
	logger = logger.Session("remove-desired-lrp")

	request := &models.RemoveDesiredLRPRequest{}
	response := &models.DesiredLRPLifecycleResponse{}
	defer func() { exitIfUnrecoverable(logger, h.exitChan, response.Error) }()
	defer writeResponse(w, response)

	err := parseRequest(logger, req, request)
	if err != nil {
		response.Error = models.ConvertError(err)
		return
	}
	logger = logger.WithData(lager.Data{"process_guid": request.ProcessGuid})

	desiredLRP, err := h.desiredLRPDB.DesiredLRPByProcessGuid(logger.Session("fetch-desired"), request.ProcessGuid)
	if err != nil {
		response.Error = models.ConvertError(err)
		return
	}

	err = h.desiredLRPDB.RemoveDesiredLRP(logger.Session("remove-desired"), request.ProcessGuid)
	if err != nil {
		response.Error = models.ConvertError(err)
		return
	}

	go h.desiredHub.Emit(models.NewDesiredLRPRemovedEvent(desiredLRP))

	h.stopInstancesFrom(logger, request.ProcessGuid, 0)
}
func (h *TaskHandler) commonTaskByGuid(logger lager.Logger, w http.ResponseWriter, req *http.Request, version format.Version) {
	var err error
	logger = logger.Session("task-by-guid", lager.Data{"revision": 0})

	request := &models.TaskByGuidRequest{}
	response := &models.TaskResponse{}

	defer func() { exitIfUnrecoverable(logger, h.exitChan, response.Error) }()
	defer writeResponse(w, response)

	err = parseRequest(logger, req, request)
	if err != nil {
		logger.Error("failed-parsing-request", err)
		response.Error = models.ConvertError(err)
		return
	}

	response.Task, err = h.controller.TaskByGuid(logger, request.TaskGuid)
	if err != nil {
		response.Error = models.ConvertError(err)
		return
	}

	if response.Task.TaskDefinition != nil {
		response.Task = response.Task.VersionDownTo(version)
	}
}
func (h *ActualLRPLifecycleHandler) RemoveActualLRP(logger lager.Logger, w http.ResponseWriter, req *http.Request) {
	var err error
	logger = logger.Session("remove-actual-lrp")

	request := &models.RemoveActualLRPRequest{}
	response := &models.ActualLRPLifecycleResponse{}

	defer func() { exitIfUnrecoverable(logger, h.exitChan, response.Error) }()
	defer writeResponse(w, response)

	err = parseRequest(logger, req, request)
	if err != nil {
		response.Error = models.ConvertError(err)
		return
	}

	beforeActualLRPGroup, err := h.db.ActualLRPGroupByProcessGuidAndIndex(logger, request.ProcessGuid, request.Index)
	if err != nil {
		response.Error = models.ConvertError(err)
		return
	}

	err = h.db.RemoveActualLRP(logger, request.ProcessGuid, request.Index, request.ActualLrpInstanceKey)
	if err != nil {
		response.Error = models.ConvertError(err)
		return

	}
	go h.actualHub.Emit(models.NewActualLRPRemovedEvent(beforeActualLRPGroup))
}
Esempio n. 10
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func (h *DesiredLRPHandler) UpdateDesiredLRP(logger lager.Logger, w http.ResponseWriter, req *http.Request) {
	logger = logger.Session("update-desired-lrp")

	request := &models.UpdateDesiredLRPRequest{}
	response := &models.DesiredLRPLifecycleResponse{}
	defer func() { exitIfUnrecoverable(logger, h.exitChan, response.Error) }()
	defer writeResponse(w, response)

	err := parseRequest(logger, req, request)
	if err != nil {
		logger.Error("failed-parsing-request", err)
		response.Error = models.ConvertError(err)
		return
	}

	logger = logger.WithData(lager.Data{"guid": request.ProcessGuid})

	logger.Debug("updating-desired-lrp")
	beforeDesiredLRP, err := h.desiredLRPDB.UpdateDesiredLRP(logger, request.ProcessGuid, request.Update)
	if err != nil {
		logger.Debug("failed-updating-desired-lrp")
		response.Error = models.ConvertError(err)
		return
	}
	logger.Debug("completed-updating-desired-lrp")

	desiredLRP, err := h.desiredLRPDB.DesiredLRPByProcessGuid(logger, request.ProcessGuid)
	if err != nil {
		logger.Error("failed-fetching-desired-lrp", err)
		return
	}

	if request.Update.Instances != nil {
		logger.Debug("updating-lrp-instances")
		previousInstanceCount := beforeDesiredLRP.Instances

		requestedInstances := *request.Update.Instances - previousInstanceCount

		logger = logger.WithData(lager.Data{"instances_delta": requestedInstances})
		if requestedInstances > 0 {
			logger.Debug("increasing-the-instances")
			schedulingInfo := desiredLRP.DesiredLRPSchedulingInfo()
			h.startInstanceRange(logger, previousInstanceCount, *request.Update.Instances, &schedulingInfo)
		}

		if requestedInstances < 0 {
			logger.Debug("decreasing-the-instances")
			numExtraActualLRP := previousInstanceCount + requestedInstances
			h.stopInstancesFrom(logger, request.ProcessGuid, int(numExtraActualLRP))
		}
	}

	go h.desiredHub.Emit(models.NewDesiredLRPChangedEvent(beforeDesiredLRP, desiredLRP))
}
Esempio n. 11
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func (h *EvacuationHandler) EvacuateStoppedActualLRP(logger lager.Logger, w http.ResponseWriter, req *http.Request) {
	logger = logger.Session("evacuate-stopped-actual-lrp")

	request := &models.EvacuateStoppedActualLRPRequest{}
	response := &models.EvacuationResponse{}

	var bbsErr *models.Error

	defer func() { exitIfUnrecoverable(logger, h.exitChan, bbsErr) }()
	defer writeResponse(w, response)

	err := parseRequest(logger, req, request)
	if err != nil {
		logger.Error("failed-to-parse-request", err)
		bbsErr = models.ConvertError(err)
		response.Error = bbsErr
		return
	}

	guid := request.ActualLrpKey.ProcessGuid
	index := request.ActualLrpKey.Index

	group, err := h.actualLRPDB.ActualLRPGroupByProcessGuidAndIndex(logger, guid, index)
	if err != nil {
		logger.Error("failed-fetching-actual-lrp-group", err)
		bbsErr = models.ConvertError(err)
		response.Error = bbsErr
		return
	}

	err = h.db.RemoveEvacuatingActualLRP(logger, request.ActualLrpKey, request.ActualLrpInstanceKey)
	if err != nil {
		logger.Error("failed-removing-evacuating-actual-lrp", err)
		bbsErr = models.ConvertError(err)
	} else if group.Evacuating != nil {
		go h.actualHub.Emit(models.NewActualLRPRemovedEvent(&models.ActualLRPGroup{Evacuating: group.Evacuating}))
	}

	if group.Instance == nil || !group.Instance.ActualLRPInstanceKey.Equal(request.ActualLrpInstanceKey) {
		logger.Debug("cannot-remove-actual-lrp")
		response.Error = models.ErrActualLRPCannotBeRemoved
		return
	}

	err = h.actualLRPDB.RemoveActualLRP(logger, guid, index, request.ActualLrpInstanceKey)
	if err != nil {
		logger.Error("failed-to-remove-actual-lrp", err)
		bbsErr = models.ConvertError(err)
		response.Error = bbsErr
		return
	} else {
		go h.actualHub.Emit(models.NewActualLRPRemovedEvent(&models.ActualLRPGroup{Instance: group.Instance}))
	}
}
func (h *DesiredLRPHandler) DesiredLRPs_r1(logger lager.Logger, w http.ResponseWriter, req *http.Request) {
	var err error
	logger = logger.Session("desired-lrps", lager.Data{"revision": 0})

	request := &models.DesiredLRPsRequest{}
	response := &models.DesiredLRPsResponse{}

	err = parseRequest(logger, req, request)
	if err == nil {
		var lrps []*models.DesiredLRP

		filter := models.DesiredLRPFilter{Domain: request.Domain}
		lrps, err = h.desiredLRPDB.DesiredLRPs(logger, filter)
		if err == nil {
			for i := range lrps {
				transformedLRP := lrps[i].VersionDownTo(format.V1)
				response.DesiredLrps = append(response.DesiredLrps, transformedLRP)
			}
		}
	}

	response.Error = models.ConvertError(err)

	writeResponse(w, response)
	exitIfUnrecoverable(logger, h.exitChan, response.Error)
}
Esempio n. 13
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func (db *ETCDDB) UnclaimActualLRP(logger lager.Logger, key *models.ActualLRPKey) (*models.ActualLRPGroup, *models.ActualLRPGroup, error) {
	actualLRP, modifiedIndex, err := db.rawActualLRPByProcessGuidAndIndex(logger, key.ProcessGuid, key.Index)
	bbsErr := models.ConvertError(err)
	if bbsErr != nil {
		return nil, nil, bbsErr
	}
	beforeActualLRP := *actualLRP

	if actualLRP.State == models.ActualLRPStateUnclaimed {
		logger.Debug("already-unclaimed")
		return nil, nil, models.ErrActualLRPCannotBeUnclaimed
	}

	actualLRP.State = models.ActualLRPStateUnclaimed
	actualLRP.ActualLRPKey = *key
	actualLRP.ActualLRPInstanceKey = models.ActualLRPInstanceKey{}
	actualLRP.ActualLRPNetInfo = models.EmptyActualLRPNetInfo()
	actualLRP.Since = db.clock.Now().UnixNano()
	actualLRP.ModificationTag.Increment()

	data, err := db.serializeModel(logger, actualLRP)
	if err != nil {
		return nil, nil, err
	}

	_, err = db.client.CompareAndSwap(ActualLRPSchemaPath(key.ProcessGuid, key.Index), data, 0, modifiedIndex)
	if err != nil {
		logger.Error("failed-compare-and-swap", err)
		return nil, nil, ErrorFromEtcdError(logger, err)
	}

	return &models.ActualLRPGroup{Instance: &beforeActualLRP}, &models.ActualLRPGroup{Instance: actualLRP}, nil
}
func (h *ActualLRPLifecycleHandler) CrashActualLRP(logger lager.Logger, w http.ResponseWriter, req *http.Request) {
	logger = logger.Session("crash-actual-lrp")

	request := &models.CrashActualLRPRequest{}
	response := &models.ActualLRPLifecycleResponse{}
	defer func() { exitIfUnrecoverable(logger, h.exitChan, response.Error) }()
	defer writeResponse(w, response)

	err := parseRequest(logger, req, request)
	if err != nil {
		response.Error = models.ConvertError(err)
		return
	}

	actualLRPKey := request.ActualLrpKey
	actualLRPInstanceKey := request.ActualLrpInstanceKey

	before, after, shouldRestart, err := h.db.CrashActualLRP(logger, actualLRPKey, actualLRPInstanceKey, request.ErrorMessage)
	if err != nil {
		response.Error = models.ConvertError(err)
		return
	}

	if shouldRestart {
		desiredLRP, err := h.desiredLRPDB.DesiredLRPByProcessGuid(logger, actualLRPKey.ProcessGuid)
		if err != nil {
			logger.Error("failed-fetching-desired-lrp", err)
			response.Error = models.ConvertError(err)
			return
		}

		schedInfo := desiredLRP.DesiredLRPSchedulingInfo()
		startRequest := auctioneer.NewLRPStartRequestFromSchedulingInfo(&schedInfo, int(actualLRPKey.Index))
		logger.Info("start-lrp-auction-request", lager.Data{"app_guid": schedInfo.ProcessGuid, "index": int(actualLRPKey.Index)})
		err = h.auctioneerClient.RequestLRPAuctions(logger, []*auctioneer.LRPStartRequest{&startRequest})
		logger.Info("finished-lrp-auction-request", lager.Data{"app_guid": schedInfo.ProcessGuid, "index": int(actualLRPKey.Index)})
		if err != nil {
			logger.Error("failed-requesting-auction", err)
			response.Error = models.ConvertError(err)
			return
		}
	}

	actualLRP, _ := after.Resolve()
	go h.actualHub.Emit(models.NewActualLRPCrashedEvent(actualLRP))
	go h.actualHub.Emit(models.NewActualLRPChangedEvent(before, after))
}
func (h *ActualLRPLifecycleHandler) RetireActualLRP(logger lager.Logger, w http.ResponseWriter, req *http.Request) {
	logger = logger.Session("retire-actual-lrp")
	request := &models.RetireActualLRPRequest{}
	response := &models.ActualLRPLifecycleResponse{}

	var err error
	defer func() { exitIfUnrecoverable(logger, h.exitChan, response.Error) }()
	defer writeResponse(w, response)

	err = parseRequest(logger, req, request)
	if err != nil {
		response.Error = models.ConvertError(err)
		return
	}

	err = h.retirer.RetireActualLRP(logger, request.ActualLrpKey.ProcessGuid, request.ActualLrpKey.Index)
	response.Error = models.ConvertError(err)
}
Esempio n. 16
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func exitIfUnrecoverableError(logger lager.Logger, err error, exitChan chan<- struct{}) {
	bbsErr := models.ConvertError(err)
	if bbsErr != nil && bbsErr.GetType() == models.Error_Unrecoverable {
		select {
		case exitChan <- struct{}{}:
		default:
		}
	}
}
Esempio n. 17
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func (h *DomainHandler) Domains(logger lager.Logger, w http.ResponseWriter, req *http.Request) {
	var err error
	logger = logger.Session("domains")
	response := &models.DomainsResponse{}
	response.Domains, err = h.db.Domains(logger)
	response.Error = models.ConvertError(err)
	writeResponse(w, response)
	exitIfUnrecoverable(logger, h.exitChan, response.Error)
}
Esempio n. 18
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func (h *TaskHandler) CancelTask(logger lager.Logger, w http.ResponseWriter, req *http.Request) {
	logger = logger.Session("cancel-task")

	request := &models.TaskGuidRequest{}
	response := &models.TaskLifecycleResponse{}

	defer func() { exitIfUnrecoverable(logger, h.exitChan, response.Error) }()
	defer func() { writeResponse(w, response) }()

	err := parseRequest(logger, req, request)
	if err != nil {
		logger.Error("failed-parsing-request", err)
		response.Error = models.ConvertError(err)
		return
	}

	err = h.controller.CancelTask(logger, request.TaskGuid)
	response.Error = models.ConvertError(err)
}
Esempio n. 19
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func (db *ETCDDB) StartActualLRP(logger lager.Logger, key *models.ActualLRPKey, instanceKey *models.ActualLRPInstanceKey, netInfo *models.ActualLRPNetInfo) (*models.ActualLRPGroup, *models.ActualLRPGroup, error) {
	logger = logger.WithData(lager.Data{
		"actual_lrp_key":          key,
		"actual_lrp_instance_key": instanceKey,
		"net_info":                netInfo,
	})

	lrp, prevIndex, err := db.rawActualLRPByProcessGuidAndIndex(logger, key.ProcessGuid, key.Index)
	bbsErr := models.ConvertError(err)
	if bbsErr != nil {
		if bbsErr.Type == models.Error_ResourceNotFound {
			lrp, err := db.createRunningActualLRP(logger, key, instanceKey, netInfo)
			return nil, &models.ActualLRPGroup{Instance: lrp}, err
		}
		logger.Error("failed-to-get-actual-lrp", err)
		return nil, nil, err
	}
	beforeActualLRP := *lrp

	if lrp.ActualLRPKey.Equal(key) &&
		lrp.ActualLRPInstanceKey.Equal(instanceKey) &&
		lrp.ActualLRPNetInfo.Equal(netInfo) &&
		lrp.State == models.ActualLRPStateRunning {
		lrpGroup := &models.ActualLRPGroup{Instance: lrp}
		return lrpGroup, lrpGroup, nil
	}

	if !lrp.AllowsTransitionTo(key, instanceKey, models.ActualLRPStateRunning) {
		logger.Error("failed-to-transition-actual-lrp-to-started", nil)
		return nil, nil, models.ErrActualLRPCannotBeStarted
	}

	logger.Info("starting")
	defer logger.Info("completed")

	lrp.ModificationTag.Increment()
	lrp.State = models.ActualLRPStateRunning
	lrp.Since = db.clock.Now().UnixNano()
	lrp.ActualLRPInstanceKey = *instanceKey
	lrp.ActualLRPNetInfo = *netInfo
	lrp.PlacementError = ""

	lrpData, serializeErr := db.serializeModel(logger, lrp)
	if serializeErr != nil {
		return nil, nil, serializeErr
	}

	_, err = db.client.CompareAndSwap(ActualLRPSchemaPath(key.ProcessGuid, key.Index), lrpData, 0, prevIndex)
	if err != nil {
		logger.Error("failed", err)
		return nil, nil, models.ErrActualLRPCannotBeStarted
	}

	return &models.ActualLRPGroup{Instance: &beforeActualLRP}, &models.ActualLRPGroup{Instance: lrp}, nil
}
Esempio n. 20
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func (r *actualLRPRetirer) RetireActualLRP(logger lager.Logger, processGuid string, index int32) error {
	var err error
	var cell *models.CellPresence

	logger = logger.Session("retire-actual-lrp", lager.Data{"process_guid": processGuid, "index": index})

	for retryCount := 0; retryCount < models.RetireActualLRPRetryAttempts; retryCount++ {
		var lrpGroup *models.ActualLRPGroup
		lrpGroup, err = r.db.ActualLRPGroupByProcessGuidAndIndex(logger, processGuid, index)
		if err != nil {
			return err
		}

		lrp := lrpGroup.Instance
		if lrp == nil {
			return models.ErrResourceNotFound
		}

		switch lrp.State {
		case models.ActualLRPStateUnclaimed, models.ActualLRPStateCrashed:
			err = r.db.RemoveActualLRP(logger, lrp.ProcessGuid, lrp.Index, &lrp.ActualLRPInstanceKey)
			if err == nil {
				go r.actualHub.Emit(models.NewActualLRPRemovedEvent(lrpGroup))
			}
		case models.ActualLRPStateClaimed, models.ActualLRPStateRunning:
			cell, err = r.serviceClient.CellById(logger, lrp.CellId)
			if err != nil {
				bbsErr := models.ConvertError(err)
				if bbsErr.Type == models.Error_ResourceNotFound {
					err = r.db.RemoveActualLRP(logger, lrp.ProcessGuid, lrp.Index, &lrp.ActualLRPInstanceKey)
					if err == nil {
						go r.actualHub.Emit(models.NewActualLRPRemovedEvent(lrpGroup))
					}
				}
				return err
			}

			var client rep.Client
			client, err = r.repClientFactory.CreateClient(cell.RepAddress, cell.RepUrl)
			if err != nil {
				logger.Error("create-rep-client-failed", err)
				return err
			}
			err = client.StopLRPInstance(lrp.ActualLRPKey, lrp.ActualLRPInstanceKey)
		}

		if err == nil {
			return nil
		}

		logger.Error("retrying-failed-retire-of-actual-lrp", err, lager.Data{"attempt": retryCount + 1})
	}

	return err
}
Esempio n. 21
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func (h *TaskHandler) TaskByGuid(logger lager.Logger, w http.ResponseWriter, req *http.Request) {
	var err error
	logger = logger.Session("task-by-guid")

	request := &models.TaskByGuidRequest{}
	response := &models.TaskResponse{}

	defer func() { exitIfUnrecoverable(logger, h.exitChan, response.Error) }()
	defer func() { writeResponse(w, response) }()

	err = parseRequest(logger, req, request)
	if err != nil {
		logger.Error("failed-parsing-request", err)
		response.Error = models.ConvertError(err)
		return
	}

	response.Task, err = h.controller.TaskByGuid(logger, request.TaskGuid)
	response.Error = models.ConvertError(err)
}
Esempio n. 22
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func (h *TaskHandler) DesireTask(logger lager.Logger, w http.ResponseWriter, req *http.Request) {
	var err error
	logger = logger.Session("desire-task")

	request := &models.DesireTaskRequest{}
	response := &models.TaskLifecycleResponse{}

	defer func() { exitIfUnrecoverable(logger, h.exitChan, response.Error) }()
	defer func() { writeResponse(w, response) }()

	err = parseRequest(logger, req, request)
	if err != nil {
		logger.Error("failed-parsing-request", err)
		response.Error = models.ConvertError(err)
		return
	}

	err = h.controller.DesireTask(logger, request.TaskDefinition, request.TaskGuid, request.Domain)
	response.Error = models.ConvertError(err)
}
Esempio n. 23
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func (h *TaskHandler) CompleteTask(logger lager.Logger, w http.ResponseWriter, req *http.Request) {
	var err error
	logger = logger.Session("complete-task")

	request := &models.CompleteTaskRequest{}
	response := &models.TaskLifecycleResponse{}

	defer func() { exitIfUnrecoverable(logger, h.exitChan, response.Error) }()
	defer func() { writeResponse(w, response) }()

	err = parseRequest(logger, req, request)
	if err != nil {
		response.Error = models.ConvertError(err)
		logger.Error("failed-parsing-request", err)
		return
	}

	err = h.controller.CompleteTask(logger, request.TaskGuid, request.CellId, request.Failed, request.FailureReason, request.Result)
	response.Error = models.ConvertError(err)
}
Esempio n. 24
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func (h *TaskHandler) StartTask(logger lager.Logger, w http.ResponseWriter, req *http.Request) {
	var err error
	logger = logger.Session("start-task")

	request := &models.StartTaskRequest{}
	response := &models.StartTaskResponse{}

	defer func() { exitIfUnrecoverable(logger, h.exitChan, response.Error) }()
	defer func() { writeResponse(w, response) }()

	err = parseRequest(logger, req, request)
	if err != nil {
		logger.Error("failed-parsing-request", err)
		response.Error = models.ConvertError(err)
		return
	}

	response.ShouldStart, err = h.controller.StartTask(logger, request.TaskGuid, request.CellId)
	response.Error = models.ConvertError(err)
}
Esempio n. 25
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func (db *SQLDB) convertSQLError(err error) *models.Error {
	if err != nil {
		switch err.(type) {
		case *mysql.MySQLError:
			return db.convertMySQLError(err.(*mysql.MySQLError))
		case *pq.Error:
			return db.convertPostgresError(err.(*pq.Error))
		}
	}

	return models.ConvertError(err)
}
Esempio n. 26
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func (db *ETCDDB) ActualLRPGroups(logger lager.Logger, filter models.ActualLRPFilter) ([]*models.ActualLRPGroup, error) {
	node, err := db.fetchRecursiveRaw(logger, ActualLRPSchemaRoot)
	bbsErr := models.ConvertError(err)
	if bbsErr != nil {
		if bbsErr.Type == models.Error_ResourceNotFound {
			return []*models.ActualLRPGroup{}, nil
		}
		return nil, err
	}
	if len(node.Nodes) == 0 {
		return []*models.ActualLRPGroup{}, nil
	}

	groups := []*models.ActualLRPGroup{}

	var workErr atomic.Value
	groupChan := make(chan []*models.ActualLRPGroup, len(node.Nodes))
	wg := sync.WaitGroup{}

	logger.Debug("performing-deserialization-work")
	for _, node := range node.Nodes {
		node := node

		wg.Add(1)
		go func() {
			defer wg.Done()
			g, err := db.parseActualLRPGroups(logger, node, filter)
			if err != nil {
				workErr.Store(err)
				return
			}
			groupChan <- g
		}()
	}

	go func() {
		wg.Wait()
		close(groupChan)
	}()

	for g := range groupChan {
		groups = append(groups, g...)
	}

	if err, ok := workErr.Load().(error); ok {
		logger.Error("failed-performing-deserialization-work", err)
		return []*models.ActualLRPGroup{}, models.ErrUnknownError
	}
	logger.Debug("succeeded-performing-deserialization-work", lager.Data{"num_actual_lrp_groups": len(groups)})

	return groups, nil
}
Esempio n. 27
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func (h *CellHandler) Cells(logger lager.Logger, w http.ResponseWriter, req *http.Request) {
	var err error
	logger = logger.Session("cells")
	response := &models.CellsResponse{}
	cellSet, err := h.serviceClient.Cells(logger)
	cells := []*models.CellPresence{}
	for _, cp := range cellSet {
		cells = append(cells, cp)
	}
	response.Cells = cells
	response.Error = models.ConvertError(err)
	writeResponse(w, response)
	exitIfUnrecoverable(logger, h.exitChan, response.Error)
}
Esempio n. 28
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func (h *EvacuationHandler) EvacuateClaimedActualLRP(logger lager.Logger, w http.ResponseWriter, req *http.Request) {
	logger = logger.Session("evacuate-claimed-actual-lrp")
	logger.Info("started")
	defer logger.Info("completed")

	request := &models.EvacuateClaimedActualLRPRequest{}
	response := &models.EvacuationResponse{}
	defer func() { exitIfUnrecoverable(logger, h.exitChan, response.Error) }()
	defer writeResponse(w, response)

	err := parseRequest(logger, req, request)
	if err != nil {
		logger.Error("failed-parsing-request", err)
		response.Error = models.ConvertError(err)
		response.KeepContainer = true
		return
	}

	beforeActualLRPGroup, err := h.actualLRPDB.ActualLRPGroupByProcessGuidAndIndex(logger, request.ActualLrpKey.ProcessGuid, request.ActualLrpKey.Index)
	if err == nil {
		err = h.db.RemoveEvacuatingActualLRP(logger, request.ActualLrpKey, request.ActualLrpInstanceKey)
		if err != nil {
			logger.Error("failed-removing-evacuating-actual-lrp", err)
			exitIfUnrecoverable(logger, h.exitChan, models.ConvertError(err))
		} else {
			go h.actualHub.Emit(models.NewActualLRPRemovedEvent(beforeActualLRPGroup))
		}
	}

	err = h.unclaimAndRequestAuction(logger, request.ActualLrpKey)
	bbsErr := models.ConvertError(err)
	if bbsErr != nil && bbsErr.Type != models.Error_ResourceNotFound {
		response.Error = bbsErr
		response.KeepContainer = true
		return
	}
}
Esempio n. 29
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func (db *ETCDDB) desiredLRPs(logger lager.Logger, filter models.DesiredLRPFilter) ([]*models.DesiredLRP, guidSet, error) {
	root, err := db.fetchRecursiveRaw(logger, DesiredLRPComponentsSchemaRoot)
	bbsErr := models.ConvertError(err)
	if bbsErr != nil {
		if bbsErr.Type == models.Error_ResourceNotFound {
			return []*models.DesiredLRP{}, newGuidSet(), nil
		}
		return nil, newGuidSet(), err
	}
	if root.Nodes.Len() == 0 {
		return []*models.DesiredLRP{}, newGuidSet(), nil
	}

	var schedules map[string]*models.DesiredLRPSchedulingInfo
	var runs map[string]*models.DesiredLRPRunInfo
	var malformedInfos guidSet
	var malformedRunInfos guidSet
	var wg sync.WaitGroup
	for i := range root.Nodes {
		node := root.Nodes[i]
		switch node.Key {
		case DesiredLRPSchedulingInfoSchemaRoot:
			wg.Add(1)
			go func() {
				defer wg.Done()
				schedules, malformedInfos = db.deserializeScheduleInfos(logger, node.Nodes, filter)
			}()
		case DesiredLRPRunInfoSchemaRoot:
			wg.Add(1)
			go func() {
				defer wg.Done()
				runs, malformedRunInfos = db.deserializeRunInfos(logger, node.Nodes, filter)
			}()
		default:
			logger.Error("unexpected-etcd-key", nil, lager.Data{"key": node.Key})
		}
	}

	wg.Wait()

	desiredLRPs := []*models.DesiredLRP{}
	for processGuid, schedule := range schedules {
		desired := models.NewDesiredLRP(*schedule, *runs[processGuid])
		desiredLRPs = append(desiredLRPs, &desired)
	}

	malformedInfos.Merge(malformedRunInfos)
	return desiredLRPs, malformedInfos, nil
}
Esempio n. 30
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func (db *ETCDDB) ActualLRPGroupsByProcessGuid(logger lager.Logger, processGuid string) ([]*models.ActualLRPGroup, error) {
	node, err := db.fetchRecursiveRaw(logger, ActualLRPProcessDir(processGuid))
	bbsErr := models.ConvertError(err)
	if bbsErr != nil {
		if bbsErr.Type == models.Error_ResourceNotFound {
			return []*models.ActualLRPGroup{}, nil
		}
		return nil, err
	}
	if node.Nodes.Len() == 0 {
		return []*models.ActualLRPGroup{}, nil
	}

	return db.parseActualLRPGroups(logger, node, models.ActualLRPFilter{})
}