| /* |
| * Licensed to the 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. |
| * The 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 core |
| |
| import ( |
| "context" |
| "os" |
| "os/signal" |
| "syscall" |
| |
| "github.com/apache/dubbo-kubernetes/pkg/core/logger" |
| "github.com/google/uuid" |
| ) |
| |
| var SetupSignalHandler = func() (context.Context, context.Context) { |
| gracefulCtx, gracefulCancel := context.WithCancel(context.Background()) |
| ctx, cancel := context.WithCancel(context.Background()) |
| c := make(chan os.Signal, 3) |
| signal.Notify(c, syscall.SIGINT, syscall.SIGTERM) |
| go func() { |
| s := <-c |
| logger.Sugar().Info("Received signal, stopping instance gracefully", "signal", s.String()) |
| gracefulCancel() |
| s = <-c |
| logger.Sugar().Info("Received second signal, stopping instance", "signal", s.String()) |
| cancel() |
| s = <-c |
| logger.Sugar().Info("Received third signal, force exit", "signal", s.String()) |
| os.Exit(1) |
| }() |
| return gracefulCtx, ctx |
| } |
| |
| func NewUUID() string { |
| return uuid.NewString() |
| } |