| /* |
| * Licensed to Apache Software Foundation (ASF) under one or more contributor |
| * license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright |
| * ownership. Apache Software Foundation (ASF) licenses this file to you under |
| * the Apache License, Version 2.0 (the "License"); you may |
| * not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http:www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package cmd |
| |
| import ( |
| "context" |
| "os" |
| "os/signal" |
| "syscall" |
| |
| "github.com/spf13/cobra" |
| "go.uber.org/multierr" |
| |
| "github.com/apache/skywalking-banyandb/banyand/executor" |
| "github.com/apache/skywalking-banyandb/banyand/index" |
| "github.com/apache/skywalking-banyandb/banyand/internal/bus" |
| "github.com/apache/skywalking-banyandb/banyand/series" |
| "github.com/apache/skywalking-banyandb/banyand/shard" |
| "github.com/apache/skywalking-banyandb/banyand/storage" |
| "github.com/apache/skywalking-banyandb/pkg/logger" |
| "github.com/apache/skywalking-banyandb/pkg/version" |
| ) |
| |
| func newStandaloneCmd() *cobra.Command { |
| standaloneCmd := &cobra.Command{ |
| Use: "standalone", |
| Version: version.Build(), |
| Short: "Run as the standalone mode", |
| RunE: func(cmd *cobra.Command, args []string) (err error) { |
| logger.Log.Info("starting as a standalone server") |
| dataBus := bus.NewBus() |
| err = multierr.Append(err, dataBus.Subscribe(storage.TraceRaw, shard.NewShard(dataBus))) |
| err = multierr.Append(err, dataBus.Subscribe(storage.TraceSharded, executor.NewExecutor(dataBus))) |
| err = multierr.Append(err, dataBus.Subscribe(storage.TraceIndex, index.NewIndex())) |
| err = multierr.Append(err, dataBus.Subscribe(storage.TraceData, series.NewSeries())) |
| if err != nil { |
| return err |
| } |
| if err = dataBus.Publish(storage.TraceRaw, bus.NewMessage(0, "initialization")); err != nil { |
| return err |
| } |
| ctx := newContext() |
| <-ctx.Done() |
| return nil |
| }, |
| } |
| |
| return standaloneCmd |
| } |
| |
| func newContext() context.Context { |
| c := make(chan os.Signal, 1) |
| signal.Notify(c, os.Interrupt, syscall.SIGTERM) |
| ctx, cancel := context.WithCancel(context.Background()) |
| go func() { |
| defer cancel() |
| select { |
| case <-ctx.Done(): |
| return |
| case <-c: |
| return |
| } |
| }() |
| return ctx |
| } |