Example #1
0
func (app Application) StartWorkers() {
	zonedUAAClient := uaa.NewZonedUAAClient(app.env.UAAClientID, app.env.UAAClientSecret, app.env.VerifySSL, UAAPublicKey)

	WorkerGenerator{
		InstanceIndex: app.env.VCAPApplication.InstanceIndex,
		Count:         WorkerCount,
	}.Work(func(i int) Worker {
		cloak, err := conceal.NewCloak(app.env.EncryptionKey)
		if err != nil {
			panic(err)
		}
		v1Workflow := postal.NewV1Process(postal.V1ProcessConfig{
			DBTrace: app.env.DBLoggingEnabled,
			UAAHost: app.env.UAAHost,
			Sender:  app.env.Sender,
			Domain:  app.env.Domain,

			Packager:    postal.NewPackager(app.mother.TemplatesLoader(), cloak),
			MailClient:  app.mother.MailClient(),
			Database:    app.mother.Database(),
			TokenLoader: uaa.NewTokenLoader(zonedUAAClient),
			UserLoader:  postal.NewUserLoader(zonedUAAClient),

			KindsRepo:              app.mother.KindsRepo(),
			ReceiptsRepo:           app.mother.ReceiptsRepo(),
			UnsubscribesRepo:       app.mother.UnsubscribesRepo(),
			GlobalUnsubscribesRepo: app.mother.GlobalUnsubscribesRepo(),
			MessageStatusUpdater:   postal.NewMessageStatusUpdater(app.mother.MessagesRepo()),
			DeliveryFailureHandler: postal.NewDeliveryFailureHandler(),
		})

		database := v2models.NewDatabase(app.mother.SQLDatabase(), v2models.Config{})
		messageStatusUpdater := postal.NewV2MessageStatusUpdater(v2models.NewMessagesRepository(util.NewClock()))
		v2Workflow := postal.NewV2Workflow(app.mother.MailClient(), postal.NewPackager(app.mother.TemplatesLoader(), cloak), postal.NewUserLoader(zonedUAAClient), uaa.NewTokenLoader(zonedUAAClient), messageStatusUpdater, database, app.env.Sender, app.env.Domain, app.env.UAAHost)

		worker := postal.NewDeliveryWorker(v1Workflow, v2Workflow, postal.DeliveryWorkerConfig{
			ID:                     i,
			UAAHost:                app.env.UAAHost,
			Logger:                 app.mother.Logger(),
			Queue:                  app.mother.Queue(),
			DBTrace:                app.env.DBLoggingEnabled,
			Database:               database,
			StrategyDeterminer:     strategy.NewStrategyDeterminer(app.mother.UserStrategy(), app.mother.SpaceStrategy(), app.mother.OrganizationStrategy(), app.mother.EmailStrategy()),
			DeliveryFailureHandler: postal.NewDeliveryFailureHandler(),
			MessageStatusUpdater:   messageStatusUpdater,
		})
		return &worker
	})
}
var _ = Describe("DeliveryFailureHandler", func() {
	var (
		job     *mocks.GobbleJob
		buffer  *bytes.Buffer
		logger  lager.Logger
		handler postal.DeliveryFailureHandler
	)

	BeforeEach(func() {
		job = mocks.NewGobbleJob()
		buffer = bytes.NewBuffer([]byte{})
		logger = lager.NewLogger("notifications")
		logger.RegisterSink(lager.NewWriterSink(buffer, lager.INFO))

		handler = postal.NewDeliveryFailureHandler()
	})

	It("retries the job using an exponential backoff algorithm", func() {
		backoffDurations := map[int]time.Duration{
			0: 1 * time.Minute,
			1: 2 * time.Minute,
			2: 4 * time.Minute,
			3: 8 * time.Minute,
			4: 16 * time.Minute,
			5: 32 * time.Minute,
			6: 64 * time.Minute,
			7: 128 * time.Minute,
			8: 256 * time.Minute,
			9: 512 * time.Minute,
		}