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,
}