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c27700
} v := ctx.Value(signatureCtx) if v == nil { return nil } signature, _ := v.(*Signature) return signature }
c27701
arg0Type := taskFuncType.In(0) if IsContextType(arg0Type) { task.UseContext = true } } if err := task.ReflectArgs(args); err != nil { return nil, fmt.Errorf("Reflect task args error: %s", err) } return task, nil }
c27702
task.UseContext = true } } if err := task.ReflectArgs(args); err != nil { return nil, fmt.Errorf("Reflect task args error: %s", err) } return task, nil }
c27703
span from the span context if found or start a new trace with the function name. // For clarity add the machinery component tag. span := opentracing.StartSpan( operationName, ConsumerOption(spanContext), MachineryTag, ) // Log any error but don't fail if err != nil { span.LogFields(opentracing_log.Error(...
c27704
if err := opentracing.GlobalTracer().Inject(span.Context(), opentracing.TextMap, headers); err != nil { span.LogFields(opentracing_log.Error(err)) } return headers }
c27705
for { whetherContinue, err := b.consumeDeliveries(deliveries, concurrency, taskProcessor, pool, errorsChan) if err != nil { return err } if whetherContinue == false { return nil } } }
c27706
// and leave the message in the queue if !b.IsTaskRegistered(sig.Name) { return fmt.Errorf("task %s is not registered", sig.Name) } err := taskProcessor.Process(sig) if err != nil { return err } // Delete message after successfully consuming and processing the message if err = b.deleteOne(delivery); err !...
c27707
ReceiptHandle: delivery.Messages[0].ReceiptHandle, }) if err != nil { return err } return nil }
c27708
b.queueUrl } else { return aws.String(b.GetConfig().Broker + "/" + b.GetConfig().DefaultQueue) } }
c27709
qURL, MaxNumberOfMessages: aws.Int64(1), WaitTimeSeconds: aws.Int64(int64(waitTimeSeconds)), } if visibilityTimeout != nil { input.VisibilityTimeout = aws.Int64(int64(*visibilityTimeout)) } result, err := b.service.ReceiveMessage(input) if err != nil { return nil, err } return result, err }
c27710
concurrency; i++ { pool <- struct{}{} } }
c27711
processed concurrently go func() { if err := b.consumeOne(d, taskProcessor); err != nil { errorsChan <- err } b.processingWG.Done() if concurrency > 0 { // give worker back to pool pool <- struct{}{} } }() case <-b.GetStopChan(): return false, nil } return true, nil }
c27712
if err != nil { return true, err } if len(output.Messages) == 0 { return true, nil } go func() { deliveries <- output }() } return true, nil }
c27713
= taskProcessor.CustomQueue() } return aws.String(b.GetConfig().Broker + "/" + queueName) }
c27714
for i, signature := range group.Tasks { taskUUIDs[i] = signature.UUID } return taskUUIDs }
c27715
:= len(signatures) - 1; i > 0; i-- { if i > 0 { signatures[i-1].OnSuccess = []*Signature{signatures[i]} } } chain := &Chain{Tasks: signatures} return chain, nil }
c27716
signatureID := uuid.New().String() signature.UUID = fmt.Sprintf("task_%v", signatureID) } signature.GroupUUID = groupID signature.GroupTaskCount = len(signatures) } return &Group{ GroupUUID: groupID, Tasks: signatures, }, nil }
c27717
// queue binding args ) if err != nil { return nil, err } defer b.Close(channel, conn) d, ok, err := channel.Get( taskUUID, // queue name false, // multiple ) if err != nil { return nil, err } if !ok { return nil, errors.New("No state ready") } d.Ack(false) state := new(tasks.Tas...
c27718
0 { // // expire results after 1 hour by default resultsExpireIn = config.DefaultResultsExpireIn * 1000 } return resultsExpireIn }
c27719
} } return c, err }, // PINGs connections that have been idle more than 10 seconds TestOnBorrow: func(c redis.Conn, t time.Time) error { if time.Since(t) < time.Duration(10*time.Second) { return nil } _, err := c.Do("PING") return err }, } }
c27720
opts = append(opts, redis.DialTLSConfig(tlsConfig), redis.DialUseTLS(true)) } if password != "" { opts = append(opts, redis.DialPassword(password)) } if socketPath != "" { return redis.Dial("unix", socketPath, opts...) } return redis.Dial("tcp", host, opts...) }
c27721
taskState: new(tasks.TaskState), backend: backend, } }
c27722
&ChordAsyncResult{ groupAsyncResults: asyncResults, chordAsyncResult: NewAsyncResult(chordCallback, backend), backend: backend, } }
c27723
asyncResults[i] = NewAsyncResult(task, backend) } return &ChainAsyncResult{ asyncResults: asyncResults, backend: backend, } }
c27724
asyncResult.taskState.IsCompleted() { asyncResult.backend.PurgeState(asyncResult.taskState.TaskUUID) } if asyncResult.taskState.IsFailure() { return nil, errors.New(asyncResult.taskState.Error) } if asyncResult.taskState.IsSuccess() { return tasks.ReflectTaskResults(asyncResult.taskState.Results) } retu...
c27725
} taskState, err := asyncResult.backend.GetState(asyncResult.Signature.UUID) if err == nil { asyncResult.taskState = taskState } return asyncResult.taskState }
c27726
value if t.NumOut() < 1 { return ErrTaskReturnsNoValue } // Last return value must be error lastReturnType := t.Out(t.NumOut() - 1) errorInterface := reflect.TypeOf((*error)(nil)).Elem() if !lastReturnType.Implements(errorInterface) { return ErrLastReturnValueMustBeError } return nil }
c27727
// Check if needed tables exist err := backend.checkRequiredTablesIfExist() if err != nil { log.FATAL.Printf("Failed to prepare tables. Error: %v", err) } return backend }
c27728
newCnf, newErr := fromEnvironment() if newErr != nil { log.WARNING.Printf("Failed to reload config from the environment: %v", newErr) continue } *cnf = *newCnf // log.INFO.Printf("Successfully reloaded config from the environment") } }() } return cnf, nil }
c27729
Broker{cnf: cnf, retry: true} }
c27730
:= range b.registeredTaskNames { if registeredTaskName == name { return true } } return false }
c27731
b.retryFunc = retry.Closure() } b.stopChan = make(chan int) b.retryStopChan = make(chan int) }
c27732
1: log.WARNING.Print("Stopping retry closure.") default: } // Notifying the stop channel stops consuming of messages select { case b.stopChan <- 1: log.WARNING.Print("Stop channel") default: } }
c27733
Key: groupMeta.GroupUUID, Value: encoded, Expiration: b.getExpirationTimestamp(), }) }
c27734
config.DefaultResultsExpireIn } return int32(time.Now().Unix() + int64(expiresIn)) }
c27735
b.client == nil { b.client = gomemcache.New(b.servers...) } return b.client }
c27736
make(map[string][]string), tasks: make(map[string][]byte), } }
c27737
newCnf, newErr := fromFile(cnfPath) if newErr != nil { log.WARNING.Printf("Failed to reload config from file %s: %v", cnfPath, newErr) continue } *cnf = *newCnf // log.INFO.Printf("Successfully reloaded config from file %s", cnfPath) } }() } return cnf, nil }
c27738
data := make([]byte, 1000) count, err := file.Read(data) if err != nil { return nil, fmt.Errorf("Read from file error: %s", err) } return data[:count], nil }
c27739
UUID: fmt.Sprintf("task_%v", signatureID), Name: name, Args: args, }, nil }
c27740
ok := broker.(eager.Mode) if ok { // we don't have to call worker.Launch in eager mode eager.AssignWorker(srv.NewWorker("eager", 0)) } return srv, nil }
c27741
server, ConsumerTag: consumerTag, Concurrency: concurrency, Queue: "", } }
c27742
{ return &Worker{ server: server, ConsumerTag: consumerTag, Concurrency: concurrency, Queue: queue, } }
c27743
= namedTaskFuncs server.broker.SetRegisteredTaskNames(server.GetRegisteredTaskNames()) return nil }
c27744
!= nil { return err } server.registeredTasks[name] = taskFunc server.broker.SetRegisteredTaskNames(server.GetRegisteredTaskNames()) return nil }
c27745
ok := server.registeredTasks[name] return ok }
c27746
nil, fmt.Errorf("Task not registered error: %s", name) } return taskFunc, nil }
c27747
= fmt.Sprintf("task_%v", taskID) } // Set initial task state to PENDING if err := server.backend.SetStatePending(signature); err != nil { return nil, fmt.Errorf("Set state pending error: %s", err) } if server.prePublishHandler != nil { server.prePublishHandler(signature) } if err := server.broker.Publish...
c27748
server.SendTaskWithContext(context.Background(), signature) }
c27749
"SendChain", tracing.ProducerOption(), tracing.MachineryTag, tracing.WorkflowChainTag) defer span.Finish() tracing.AnnotateSpanWithChainInfo(span, chain) return server.SendChain(chain) }
c27750
return nil, err } return result.NewChainAsyncResult(chain.Tasks, server.backend), nil }
c27751
} }() for i, signature := range group.Tasks { if sendConcurrency > 0 { <-pool } go func(s *tasks.Signature, index int) { defer wg.Done() // Publish task err := server.broker.Publish(ctx, s) if sendConcurrency > 0 { pool <- struct{}{} } if err != nil { errorsChan <- fmt.Error...
c27752
server.SendGroupWithContext(context.Background(), group, sendConcurrency) }
c27753
_, err := server.SendGroupWithContext(ctx, chord.Group, sendConcurrency) if err != nil { return nil, err } return result.NewChordAsyncResult( chord.Group.Tasks, chord.Callback, server.backend, ), nil }
c27754
server.SendChordWithContext(context.Background(), chord, sendConcurrency) }
c27755
range server.registeredTasks { taskNames[i] = name i++ } return taskNames }
c27756
DEBUG = l INFO = l WARNING = l ERROR = l FATAL = l }
c27757
decoder := json.NewDecoder(bytes.NewReader(result)) decoder.UseNumber() if err := decoder.Decode(signature); err != nil { return nil, err } taskSignatures[i] = signature } return taskSignatures, nil }
c27758
err != nil { return []byte{}, err } // items[0] - the name of the key where an element was popped // items[1] - the value of the popped element if len(items) != 2 { return []byte{}, redis.ErrNil } result = items[1] return result, nil }
c27759
b.redsync = redsync.New([]redsync.Pool{b.pool}) }) return b.pool.Get() }
c27760
a, b = b, a+b return a } }
c27761
num := fib() for num <= start { num = fib() } return num }
c27762
err == nil { jsonResults[i] = &tasks.TaskResult{ Type: "json", Value: jsonResult, } continue } } jsonResults[i] = result } return jsonResults }
c27763
_, err := b.groupMetasCollection.UpdateOne(context.Background(), query, change, options.Update().SetUpsert(true)) return err }
c27764
:= b.groupMetasCollection.UpdateOne(context.Background(), bson.M{"_id": groupUUID}, update, options.Update()) return err }
c27765
b.groupMetasCollection = b.client.Database(database).Collection("group_metas") err = b.createMongoIndexes(database) if err != nil { return err } return nil }
c27766
strings.HasPrefix(uri, "mongodb+srv://") == false { uri = fmt.Sprintf("mongodb://%s", uri) } client, err := mongo.NewClient(options.Client().ApplyURI(uri)) if err != nil { return nil, err } ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second) defer cancel() if err := client.Connect(c...
c27767
}, mongo.IndexModel{ Keys: bson.M{"lock": 1}, Options: options.Index().SetBackground(true).SetExpireAfterSeconds(expireIn), }, }) if err != nil { return err } return err }
c27768
{ return ErrCouldNotUnmarshaTaskSignature{msg: msg, reason: err.Error()} }
c27769
ErrRetryTaskLater{msg: msg, retryIn: retryIn} }
c27770
int64(expiresIn)) conn := b.open() defer conn.Close() _, err := conn.Do("EXPIREAT", key, expirationTimestamp) if err != nil { return err } return nil }
c27771
// queue declare args queueBindingArgs, // queue binding args ) if err != nil { return nil, err } // Reconnect to the channel if it disconnects/errors out go func() { select { case err = <-conn.errorchan: log.INFO.Printf("Error occured on queue: %s. Reconnecting...
c27772
// queue delete when unused queueName, // queue binding key nil, // exchange declare args declareQueueArgs, // queue declare args amqp.Table(b.GetConfig().AMQP.QueueBindingArgs), // queue binding args ) if err != nil { return err } defe...
c27773
kubeAPIVersion, RuntimeName: containerName, RuntimeVersion: version.Version, RuntimeApiVersion: runtimeAPIVersion, }, nil }
c27774
} netNs, err := getNetNs(resolvedNsPath) if err != nil { return nil, err } if symlink { fd, err := os.Open(nspath) if err != nil { return nil, err } netNs.symlink = fd } else if err := netNs.SymlinkCreate(name); err != nil { return nil, err } return netNs, nil }
c27775
= mountLabel sb.metadata = metadata sb.shmPath = shmPath sb.cgroupParent = cgroupParent sb.privileged = privileged sb.runtimeHandler = runtimeHandler sb.resolvPath = resolvPath sb.hostname = hostname sb.portMappings = portMappings sb.createdAt = time.Now() sb.hostNetwork = hostNetwork return sb, nil }
c27776
s.containers.Add(c.Name(), c) }
c27777
*oci.Container { return s.containers.Get(name) }
c27778
*oci.Container) { s.containers.Delete(c.Name()) }
c27779
has an infra container") } else if infraCtr == nil { return fmt.Errorf("must provide non-nil infra container") } s.infraContainer = infraCtr return nil }
c27780
s.netns == nil { return nil } return s.netns.Get() }
c27781
return fmt.Sprintf("/proc/%v/ns/net", s.infraContainer.State().Pid) } return "" } return s.netns.Get().symlink.Name() }
c27782
return fmt.Sprintf("/proc/%v/ns/user", s.infraContainer.State().Pid) } return "" }
c27783
initialized") } netNs, err := netNs.Initialize() if err != nil { return err } if err := netNs.SymlinkCreate(s.name); err != nil { logrus.Warnf("Could not create nentns symlink %v", err) if err1 := netNs.Close(); err1 != nil { return err1 } return err } s.netns = netNs return nil }
c27784
netNS, err := s.NetNsGet(nspath, name) if err != nil { return err } s.netns = netNS return nil }
c27785
networking namespace") return nil } return s.netns.Remove() }
c27786
tr, } return &crioClientImpl{ client: c, crioSocketPath: crioSocketPath, }, nil }
c27787
!= nil { return info, err } defer resp.Body.Close() err = json.NewDecoder(resp.Body).Decode(&info) return info, err }
c27788
} defer resp.Body.Close() cInfo := types.ContainerInfo{} if err := json.NewDecoder(resp.Body).Decode(&cInfo); err != nil { return nil, err } return &cInfo, nil }
c27789
select { case <-f.opened: return f.file.Write(b) case <-f.closed: return 0, errors.New("writing to a closed fifo") } }
c27790
"os", Version: runtime.GOOS}) httpVersion = append(httpVersion, VersionInfo{Name: "arch", Version: runtime.GOARCH}) return AppendVersions("", httpVersion...) }
c27791
nil && !os.IsExist(err) { return err } return ioutil.WriteFile(path, s.Data, 0700) }
c27792
hostDir, err = resolveSymbolicLink(hostDir, "/") if err != nil { return nil, err } data, err := getHostSecretData(hostDir) if err != nil { return nil, errors.Wrapf(err, "getting host secret data failed") } for _, s := range data { if err := s.SaveTo(ctrDirOnHost); err != nil { return nil, e...
c27793
struct{}) go func() { redirectLogs(path, prc, w, stream, maxLen) close(stop) }() return pwc, stop }
c27794
str) { return true } } return false }
c27795
caps = append(caps, "CAP_"+strings.ToUpper(cap.String())) } return caps }
c27796
if ns == IpcNamespace && hostIPC { return errors.Errorf(nsErrorFmt, sysctl, ns) } if ns == NetNamespace && hostNet { return errors.Errorf(nsErrorFmt, sysctl, ns) } return nil } } return errors.Errorf("%q not whitelisted", sysctl) }
c27797
labels[types.KubernetesPodNamespaceLabel], labels[types.KubernetesPodNameLabel], labels[types.KubernetesContainerNameLabel]) }
c27798
c.Root, GraphDriverName: c.Storage, GraphDriverOptions: c.StorageOptions, }) }
c27799
t.fromConfig(c) _, err = toml.Decode(string(data), t) if err != nil { return fmt.Errorf("unable to decode configuration %v: %v", path, err) } t.toConfig(c) return nil }