Example #1
0
func (db *ETCDDB) resolveActualsWithMissingCells(logger lager.Logger, desired *models.DesiredLRP, actual *models.ActualLRP, starts *startRequests) func() {
	return func() {
		logger = logger.Session("start-missing-actual", lager.Data{
			"process-guid": actual.ProcessGuid,
			"index":        actual.Index,
		})

		logger.Debug("removing-actual-lrp")
		removeErr := db.RemoveActualLRP(logger, actual.ActualLRPKey.ProcessGuid, actual.ActualLRPKey.Index)
		if removeErr != nil {
			logger.Error("failed-removing-actual-lrp", removeErr)
			return
		}
		logger.Debug("succeeded-removing-actual-lrp")

		if actual.Index >= desired.Instances {
			return
		}

		logger.Debug("creating-actual-lrp")
		err := db.createActualLRP(logger, desired, actual.Index)
		if err != nil {
			logger.Error("failed-creating-actual-lrp", err)
			return
		}
		logger.Debug("succeeded-creating-actual-lrp")

		starts.Add(logger, &actual.ActualLRPKey)
	}
}
Example #2
0
func configure(logger lager.Logger) (*ssh.ServerConfig, error) {
	errorStrings := []string{}
	sshConfig := &ssh.ServerConfig{}

	key, err := acquireHostKey(logger)
	if err != nil {
		logger.Error("failed-to-acquire-host-key", err)
		errorStrings = append(errorStrings, err.Error())
	}

	sshConfig.AddHostKey(key)
	sshConfig.NoClientAuth = *allowUnauthenticatedClients

	if *authorizedKey == "" && !*allowUnauthenticatedClients {
		logger.Error("authorized-key-required", nil)
		errorStrings = append(errorStrings, "Public user key is required")
	}

	if *authorizedKey != "" {
		decodedPublicKey, err := decodeAuthorizedKey(logger)
		if err == nil {
			authenticator := authenticators.NewPublicKeyAuthenticator(decodedPublicKey)
			sshConfig.PublicKeyCallback = authenticator.Authenticate
		} else {
			errorStrings = append(errorStrings, err.Error())
		}
	}

	err = nil
	if len(errorStrings) > 0 {
		err = errors.New(strings.Join(errorStrings, ", "))
	}

	return sshConfig, err
}
Example #3
0
func (s *Scheduler) TriggerImmediately(logger lager.Logger, job atc.JobConfig, resources atc.ResourceConfigs, resourceTypes atc.ResourceTypes) (db.Build, Waiter, error) {
	logger = logger.Session("trigger-immediately")

	build, err := s.PipelineDB.CreateJobBuild(job.Name)
	if err != nil {
		logger.Error("failed-to-create-build", err)
		return db.Build{}, nil, err
	}

	jobService, err := NewJobService(job, s.PipelineDB, s.Scanner)
	if err != nil {
		return db.Build{}, nil, err
	}

	wg := new(sync.WaitGroup)
	wg.Add(1)

	// do not block request on scanning input versions
	go func() {
		defer wg.Done()
		s.ScheduleAndResumePendingBuild(logger, nil, build, job, resources, resourceTypes, jobService)
	}()

	return build, wg, nil
}
Example #4
0
func ProxyRequests(logger lager.Logger, channelType string, reqs <-chan *ssh.Request, channel ssh.Channel) {
	logger = logger.Session("proxy-requests", lager.Data{
		"channel-type": channelType,
	})

	logger.Info("started")
	defer logger.Info("completed")
	defer channel.Close()

	for req := range reqs {
		logger.Info("request", lager.Data{
			"type":      req.Type,
			"wantReply": req.WantReply,
			"payload":   req.Payload,
		})
		success, err := channel.SendRequest(req.Type, req.WantReply, req.Payload)
		if err != nil {
			logger.Error("send-request-failed", err)
			continue
		}

		if req.WantReply {
			req.Reply(success, nil)
		}
	}
}
Example #5
0
func (build *execBuild) Resume(logger lager.Logger) {
	stepFactory := build.buildStepFactory(logger, build.metadata.Plan)
	source := stepFactory.Using(&exec.NoopStep{}, exec.NewSourceRepository())

	defer source.Release()

	process := ifrit.Background(source)

	exited := process.Wait()

	aborted := false
	var succeeded exec.Success

	for {
		select {
		case err := <-exited:
			if aborted {
				succeeded = false
			} else if !source.Result(&succeeded) {
				logger.Error("step-had-no-result", errors.New("step failed to provide us with a result"))
				succeeded = false
			}

			build.delegate.Finish(logger.Session("finish"), err, succeeded, aborted)
			return

		case sig := <-build.signals:
			process.Signal(sig)

			if sig == os.Kill {
				aborted = true
			}
		}
	}
}
Example #6
0
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
}
Example #7
0
func initializeDropsonde(logger lager.Logger) {
	dropsondeDestination := fmt.Sprint("localhost:", *dropsondePort)
	err := dropsonde.Initialize(dropsondeDestination, dropsondeOrigin)
	if err != nil {
		logger.Error("failed to initialize dropsonde: %v", err)
	}
}
Example #8
0
func (db *ETCDDB) resolveRestartableCrashedActualLRPS(logger lager.Logger, actualLRP *models.ActualLRP, starts *startRequests) func() {
	return func() {
		actualKey := actualLRP.ActualLRPKey

		logger = logger.Session("restart-crash", lager.Data{
			"process_guid": actualKey.ProcessGuid,
			"index":        actualKey.Index,
		})

		if actualLRP.State != models.ActualLRPStateCrashed {
			logger.Error("failed-actual-lrp-state-is-not-crashed", nil)
			return
		}

		logger.Debug("unclaiming-actual-lrp", lager.Data{"process_guid": actualLRP.ActualLRPKey.ProcessGuid, "index": actualLRP.ActualLRPKey.Index})
		_, err := db.unclaimActualLRP(logger, &actualLRP.ActualLRPKey, &actualLRP.ActualLRPInstanceKey)
		if err != nil {
			logger.Error("failed-unclaiming-crash", err)
			return
		}
		logger.Debug("succeeded-unclaiming-actual-lrp")

		starts.Add(logger, &actualKey)
	}
}
Example #9
0
func (h *DesireAppHandler) createDesiredApp(
	logger lager.Logger,
	desireAppMessage cc_messages.DesireAppRequestFromCC,
) error {
	var builder recipebuilder.RecipeBuilder = h.recipeBuilders["buildpack"]
	if desireAppMessage.DockerImageUrl != "" {
		builder = h.recipeBuilders["docker"]
	}

	desiredLRP, err := builder.Build(&desireAppMessage)
	if err != nil {
		logger.Error("failed-to-build-recipe", err)
		return err
	}

	logger.Debug("creating-desired-lrp", lager.Data{"routes": sanitizeRoutes(desiredLRP.Routes)})
	err = h.bbsClient.DesireLRP(desiredLRP)
	if err != nil {
		logger.Error("failed-to-create-lrp", err)
		return err
	}
	logger.Debug("created-desired-lrp")

	return nil
}
Example #10
0
func (db *ETCDDB) ConvergeLRPs(logger lager.Logger, cellSet models.CellSet) ([]*auctioneer.LRPStartRequest, []*models.ActualLRPKeyWithSchedulingInfo, []*models.ActualLRPKey) {
	convergeStart := db.clock.Now()
	convergeLRPRunsCounter.Increment()
	logger = logger.Session("etcd")
	logger.Info("starting-convergence")
	defer logger.Info("finished-convergence")

	defer func() {
		err := convergeLRPDuration.Send(time.Since(convergeStart))
		if err != nil {
			logger.Error("failed-sending-converge-lrp-duration-metric", err)
		}
	}()

	logger.Debug("gathering-convergence-input")
	input, err := db.GatherAndPruneLRPs(logger, cellSet)
	if err != nil {
		logger.Error("failed-gathering-convergence-input", err)
		return nil, nil, nil
	}
	logger.Debug("succeeded-gathering-convergence-input")

	changes := CalculateConvergence(logger, db.clock, models.NewDefaultRestartCalculator(), input)

	return db.ResolveConvergence(logger, input.DesiredLRPs, changes)
}
Example #11
0
func (db *ETCDDB) batchDeleteNodes(keys []string, logger lager.Logger) {
	if len(keys) == 0 {
		return
	}

	works := []func(){}

	for _, key := range keys {
		key := key
		works = append(works, func() {
			logger.Info("deleting", lager.Data{"key": key})
			_, err := db.client.Delete(key, true)
			if err != nil {
				logger.Error("failed-to-delete", err, lager.Data{
					"key": key,
				})
			}
		})
	}

	throttler, err := workpool.NewThrottler(db.convergenceWorkersSize, works)
	if err != nil {
		logger.Error("failed-to-create-throttler", err)
	}

	throttler.Work()
	return
}
Example #12
0
func (s *Scheduler) TryNextPendingBuild(logger lager.Logger, job atc.JobConfig, resources atc.ResourceConfigs) Waiter {
	logger = logger.Session("try-next-pending")

	wg := new(sync.WaitGroup)

	wg.Add(1)
	go func() {
		defer wg.Done()

		build, err := s.PipelineDB.GetNextPendingBuild(job.Name)
		if err != nil {
			if err == db.ErrNoBuild {
				return
			}

			logger.Error("failed-to-get-next-pending-build", err)

			return
		}

		s.scheduleAndResumePendingBuild(logger, build, job, resources)
	}()

	return wg
}
Example #13
0
func provision(serviceBroker ServiceBroker, router httpRouter, logger lager.Logger) http.HandlerFunc {
	return func(w http.ResponseWriter, req *http.Request) {
		vars := router.Vars(req)
		instanceID := vars["instance_id"]
		acceptsIncomplete := false
		if req.URL.Query().Get("accepts_incomplete") == "true" {
			acceptsIncomplete = true
		}

		logger := logger.Session(provisionLogKey, lager.Data{
			instanceIDLogKey: instanceID,
		})

		var details ProvisionDetails
		if err := json.NewDecoder(req.Body).Decode(&details); err != nil {
			logger.Error(invalidProvisionDetailsErrorKey, err)
			respond(w, http.StatusBadRequest, ErrorResponse{
				Description: err.Error(),
			})
			return
		}

		logger = logger.WithData(lager.Data{
			provisionDetailsLogKey: details,
		})

		provisioningResponse, asynch, err := serviceBroker.Provision(instanceID, details, acceptsIncomplete)
		if err != nil {
			switch err {
			case ErrInstanceAlreadyExists:
				logger.Error(instanceAlreadyExistsErrorKey, err)
				respond(w, http.StatusConflict, EmptyResponse{})
			case ErrInstanceLimitMet:
				logger.Error(instanceLimitReachedErrorKey, err)
				respond(w, http.StatusInternalServerError, ErrorResponse{
					Description: err.Error(),
				})
			case ErrAsyncRequired:
				logger.Error(instanceAsyncRequiredErrorKey, err)
				respond(w, statusUnprocessableEntity, ErrorResponse{
					Error:       "AsyncRequired",
					Description: err.Error(),
				})
			default:
				logger.Error(unknownErrorKey, err)
				respond(w, http.StatusInternalServerError, ErrorResponse{
					Description: err.Error(),
				})
			}
			return
		}

		if asynch {
			respond(w, http.StatusAccepted, provisioningResponse)
			return
		}

		respond(w, http.StatusCreated, provisioningResponse)
	}
}
Example #14
0
func lastOperation(serviceBroker ServiceBroker, router httpRouter, logger lager.Logger) http.HandlerFunc {
	return func(w http.ResponseWriter, req *http.Request) {
		vars := router.Vars(req)
		instanceID := vars["instance_id"]

		logger := logger.Session(lastOperationLogKey, lager.Data{
			instanceIDLogKey: instanceID,
		})

		lastOperationResponse, err := serviceBroker.LastOperation(instanceID)
		if err != nil {
			switch err {
			case ErrInstanceDoesNotExist:
				logger.Error(instanceMissingErrorKey, err)
				respond(w, http.StatusGone, EmptyResponse{})
			default:
				logger.Error(unknownErrorKey, err)
				respond(w, http.StatusInternalServerError, ErrorResponse{
					Description: err.Error(),
				})
			}
			return
		}

		respond(w, http.StatusOK, lastOperationResponse)
	}
}
Example #15
0
func newVolume(logger lager.Logger, bcVol baggageclaim.Volume, clock clock.Clock, db VolumeFactoryDB) (Volume, bool, error) {
	vol := &volume{
		Volume: bcVol,
		db:     db,

		heartbeating: new(sync.WaitGroup),
		release:      make(chan *time.Duration, 1),
	}

	ttl, found, err := vol.db.GetVolumeTTL(vol.Handle())
	if err != nil {
		logger.Error("failed-to-lookup-expiration-of-volume", err)
		return nil, false, err
	}

	if !found {
		return nil, false, nil
	}

	vol.heartbeat(logger.Session("initial-heartbeat"), ttl)

	vol.heartbeating.Add(1)
	go vol.heartbeatContinuously(
		logger.Session("continuous-heartbeat"),
		clock.NewTicker(volumeKeepalive),
		ttl,
	)

	return vol, true, nil
}
Example #16
0
func (b *Bulker) sync(logger lager.Logger) {
	logger = logger.Session("sync")

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

	startTime := b.clock.Now()

	ops, batchError := b.generator.BatchOperations(logger)

	endTime := b.clock.Now()

	sendError := repBulkSyncDuration.Send(endTime.Sub(startTime))
	if sendError != nil {
		logger.Error("failed-to-send-rep-bulk-sync-duration-metric", sendError)
	}

	if batchError != nil {
		logger.Error("failed-to-generate-operations", batchError)
		return
	}

	for _, operation := range ops {
		b.queue.Push(operation)
	}
}
Example #17
0
File: handler.go Project: utako/atc
func NewHandler(
	logger lager.Logger,
	pipelineDBFactory db.PipelineDBFactory,
	pipelineHandler func(db.PipelineDB) http.Handler,
	template *template.Template,
) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		pipelineDB, err := pipelineDBFactory.BuildDefault()
		if err != nil {
			if err == db.ErrNoPipelines {
				err = template.Execute(w, TemplateData{})
				if err != nil {
					log.Fatal("failed-to-task-template", err, lager.Data{})
				}
				return
			}

			logger.Error("failed-to-load-pipelinedb", err)
			w.WriteHeader(http.StatusInternalServerError)
			return
		}

		pipelineHandler(pipelineDB).ServeHTTP(w, r)
	})
}
Example #18
0
func (s *CgroupStarter) mountCgroup(log lager.Logger, cgroupPath, cgroupType string) error {
	log = log.Session("setup-cgroup", lager.Data{
		"path": cgroupPath,
		"type": cgroupType,
	})

	log.Info("started")
	defer log.Info("finished")

	if !s.isMountPoint(cgroupPath) {
		if err := os.MkdirAll(cgroupPath, 0755); err != nil {
			log.Error("mkdir-failed", err)
			return err
		}

		cmd := exec.Command("mount", "-n", "-t", "cgroup", "-o", cgroupType, "cgroup", cgroupPath)
		cmd.Stderr = logging.Writer(log.Session("mount-cgroup-cmd"))
		if err := s.CommandRunner.Run(cmd); err != nil {
			log.Error("mount-cgroup-failed", err)
			return err
		}
	}

	return nil
}
Example #19
0
func (tc *CCTaskClient) FailTask(logger lager.Logger, taskState *cc_messages.CCTaskState, httpClient *http.Client) error {
	taskGuid := taskState.TaskGuid
	payload, err := json.Marshal(cc_messages.TaskFailResponseForCC{
		TaskGuid:      taskGuid,
		Failed:        true,
		FailureReason: "Unable to determine completion status",
	})
	if err != nil {
		logger.Error("failed-to-marshal", err, lager.Data{"task_guid": taskGuid})
		return err
	}

	req, err := http.NewRequest("POST", taskState.CompletionCallbackUrl, bytes.NewReader(payload))
	if err != nil {
		return err
	}

	req.Header.Set("Content-Type", "application/json")
	resp, err := httpClient.Do(req)
	if err != nil {
		return err
	}
	defer resp.Body.Close()

	if resp.StatusCode != http.StatusOK {
		logger.Error("bad-response-from-cc", err, lager.Data{"task_guid": taskGuid})
		return errors.New("received bad response from CC ")
	}

	return nil
}
Example #20
0
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
}
Example #21
0
func (db *ETCDDB) batchDeleteTasks(taskGuids []string, logger lager.Logger) {
	if len(taskGuids) == 0 {
		return
	}

	works := []func(){}

	for _, taskGuid := range taskGuids {
		taskGuid := taskGuid
		works = append(works, func() {
			_, err := db.client.Delete(taskGuid, true)
			if err != nil {
				logger.Error("failed-to-delete", err, lager.Data{
					"task-guid": taskGuid,
				})
			}
		})
	}

	throttler, err := workpool.NewThrottler(db.convergenceWorkersSize, works)
	if err != nil {
		logger.Error("failed-to-create-throttler", err)
	}

	throttler.Work()
	return
}
Example #22
0
func (db *ETCDDB) FailActualLRP(logger lager.Logger, key *models.ActualLRPKey, errorMessage string) (*models.ActualLRPGroup, *models.ActualLRPGroup, error) {
	logger = logger.WithData(lager.Data{"actual_lrp_key": key, "error_message": errorMessage})
	logger.Info("starting")
	lrp, prevIndex, err := db.rawActualLRPByProcessGuidAndIndex(logger, key.ProcessGuid, key.Index)
	if err != nil {
		logger.Error("failed-to-get-actual-lrp", err)
		return nil, nil, err
	}
	beforeActualLRP := *lrp

	if lrp.State != models.ActualLRPStateUnclaimed {
		return nil, nil, models.ErrActualLRPCannotBeFailed
	}

	lrp.ModificationTag.Increment()
	lrp.PlacementError = errorMessage
	lrp.Since = db.clock.Now().UnixNano()

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

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

	logger.Info("succeeded")
	return &models.ActualLRPGroup{Instance: &beforeActualLRP}, &models.ActualLRPGroup{Instance: lrp}, nil
}
Example #23
0
func (db *SQLDB) countTasksByState(logger lager.Logger, q Queryable) (pendingCount, runningCount, completedCount, resolvingCount int) {
	var query string
	switch db.flavor {
	case Postgres:
		query = `
			SELECT
				COUNT(*) FILTER (WHERE state = $1) AS pending_tasks,
				COUNT(*) FILTER (WHERE state = $2) AS running_tasks,
				COUNT(*) FILTER (WHERE state = $3) AS completed_tasks,
				COUNT(*) FILTER (WHERE state = $4) AS resolving_tasks
			FROM tasks
		`
	case MySQL:
		query = `
			SELECT
				COUNT(IF(state = ?, 1, NULL)) AS pending_tasks,
				COUNT(IF(state = ?, 1, NULL)) AS running_tasks,
				COUNT(IF(state = ?, 1, NULL)) AS completed_tasks,
				COUNT(IF(state = ?, 1, NULL)) AS resolving_tasks
			FROM tasks
		`
	default:
		// totally shouldn't happen
		panic("database flavor not implemented: " + db.flavor)
	}

	row := db.db.QueryRow(query, models.Task_Pending, models.Task_Running, models.Task_Completed, models.Task_Resolving)
	err := row.Scan(&pendingCount, &runningCount, &completedCount, &resolvingCount)
	if err != nil {
		logger.Error("failed-counting-tasks", err)
	}
	return
}
Example #24
0
func (db *ETCDDB) rawActualLRPGroupByProcessGuidAndIndex(logger lager.Logger, processGuid string, index int32) (*models.ActualLRPGroup, error) {
	node, err := db.fetchRecursiveRaw(logger, ActualLRPIndexDir(processGuid, index))
	if err != nil {
		return nil, err
	}

	group := models.ActualLRPGroup{}
	for _, instanceNode := range node.Nodes {
		var lrp models.ActualLRP
		deserializeErr := db.deserializeModel(logger, instanceNode, &lrp)
		if deserializeErr != nil {
			logger.Error("failed-parsing-actual-lrp", deserializeErr, lager.Data{"key": instanceNode.Key})
			return nil, deserializeErr
		}

		if isInstanceActualLRPNode(instanceNode) {
			group.Instance = &lrp
		}

		if isEvacuatingActualLRPNode(instanceNode) {
			group.Evacuating = &lrp
		}
	}

	if group.Evacuating == nil && group.Instance == nil {
		return nil, models.ErrResourceNotFound
	}

	return &group, nil
}
Example #25
0
func (engine *execEngine) LookupBuild(logger lager.Logger, model db.Build) (Build, error) {
	var metadata execMetadata
	err := json.Unmarshal([]byte(model.EngineMetadata), &metadata)
	if err != nil {
		logger.Error("invalid-metadata", err)
		return nil, err
	}

	err = atc.NewPlanTraversal(engine.convertPipelineNameToID).Traverse(&metadata.Plan)
	if err != nil {
		return nil, err
	}

	return &execBuild{
		buildID:      model.ID,
		stepMetadata: buildMetadata(model, engine.externalURL),

		db:       engine.db,
		factory:  engine.factory,
		delegate: engine.delegateFactory.Delegate(model.ID, model.PipelineID),
		metadata: metadata,

		signals: make(chan os.Signal, 1),
	}, nil
}
Example #26
0
func (db *ETCDDB) createActualLRP(logger lager.Logger, desiredLRP *models.DesiredLRP, index int32) error {
	logger = logger.Session("create-actual-lrp")
	var err error
	if index >= desiredLRP.Instances {
		err = models.NewError(models.Error_InvalidRecord, "Index too large")
		logger.Error("actual-lrp-index-too-large", err, lager.Data{"actual_index": index, "desired_instances": desiredLRP.Instances})
		return err
	}

	guid, err := uuid.NewV4()
	if err != nil {
		return err
	}

	actualLRP := &models.ActualLRP{
		ActualLRPKey: models.NewActualLRPKey(
			desiredLRP.ProcessGuid,
			index,
			desiredLRP.Domain,
		),
		State: models.ActualLRPStateUnclaimed,
		Since: db.clock.Now().UnixNano(),
		ModificationTag: models.ModificationTag{
			Epoch: guid.String(),
			Index: 0,
		},
	}

	err = db.createRawActualLRP(logger, actualLRP)
	if err != nil {
		return err
	}

	return nil
}
Example #27
0
func (s *Scheduler) TryNextPendingBuild(logger lager.Logger, versions *algorithm.VersionsDB, job atc.JobConfig, resources atc.ResourceConfigs, resourceTypes atc.ResourceTypes) Waiter {
	logger = logger.Session("try-next-pending")

	wg := new(sync.WaitGroup)

	wg.Add(1)
	go func() {
		defer wg.Done()

		build, found, err := s.PipelineDB.GetNextPendingBuild(job.Name)
		if err != nil {
			logger.Error("failed-to-get-next-pending-build", err)
			return
		}

		if !found {
			return
		}

		jobService, err := NewJobService(job, s.PipelineDB, s.Scanner)
		if err != nil {
			logger.Error("failed-to-get-job-service", err)
			return
		}

		s.ScheduleAndResumePendingBuild(logger, versions, build, job, resources, resourceTypes, jobService)
	}()

	return wg
}
Example #28
0
func (v *volume) heartbeatContinuously(logger lager.Logger, pacemaker clock.Ticker, initialTTL time.Duration) {
	defer v.heartbeating.Done()
	defer pacemaker.Stop()

	logger.Debug("start")
	defer logger.Debug("done")

	ttlToSet := initialTTL

	for {
		select {
		case <-pacemaker.C():
			ttl, found, err := v.db.GetVolumeTTL(v.Handle())
			if err != nil {
				logger.Error("failed-to-lookup-ttl", err)
			} else {
				if !found {
					logger.Info("volume-expired-from-database")
					return
				}

				ttlToSet = ttl
			}

			v.heartbeat(logger.Session("tick"), ttlToSet)

		case finalTTL := <-v.release:
			if finalTTL != nil {
				v.heartbeat(logger.Session("final"), *finalTTL)
			}

			return
		}
	}
}
Example #29
0
File: tracker.go Project: ACPK/atc
func (tracker *tracker) Init(logger lager.Logger, metadata Metadata, session Session, typ ResourceType, tags atc.Tags) (Resource, error) {
	logger = logger.Session("init")

	logger.Debug("start")
	defer logger.Debug("done")

	container, found, err := tracker.workerClient.FindContainerForIdentifier(logger, session.ID)
	if err != nil {
		logger.Error("failed-to-look-for-existing-container", err)
		return nil, err
	}

	if found {
		logger.Debug("found-existing-container", lager.Data{"container": container.Handle()})
		return NewResource(container), nil
	}

	logger.Debug("creating-container")

	container, err = tracker.workerClient.CreateContainer(logger, session.ID, worker.ResourceTypeContainerSpec{
		Type:      string(typ),
		Ephemeral: session.Ephemeral,
		Tags:      tags,
		Env:       metadata.Env(),
	})
	if err != nil {
		return nil, err
	}

	logger.Info("created", lager.Data{"container": container.Handle()})

	return NewResource(container), nil
}
Example #30
0
func fetchStateAndBuildZones(logger lager.Logger, workPool *workpool.WorkPool, clients map[string]rep.Client, metricEmitter auctiontypes.AuctionMetricEmitterDelegate) map[string]Zone {
	wg := &sync.WaitGroup{}
	zones := map[string]Zone{}
	lock := &sync.Mutex{}

	wg.Add(len(clients))
	for guid, client := range clients {
		guid, client := guid, client
		workPool.Submit(func() {
			defer wg.Done()
			state, err := client.State()
			if err != nil {
				metricEmitter.FailedCellStateRequest()
				logger.Error("failed-to-get-state", err, lager.Data{"cell-guid": guid})
				return
			}

			if state.Evacuating {
				return
			}

			cell := NewCell(logger, guid, client, state)
			lock.Lock()
			zones[state.Zone] = append(zones[state.Zone], cell)
			lock.Unlock()
		})
	}

	wg.Wait()

	return zones
}