pkg/core/cmd/util.go

/*
 * 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 cmd

import (
	"context"
)

import (
	"github.com/apache/dubbo-kubernetes/pkg/core"
)

type RunCmdOpts struct {
	// The first returned context is closed upon receiving first signal (SIGSTOP, SIGTERM).
	// The second returned context is closed upon receiving second signal.
	// We can start graceful shutdown when first context is closed and forcefully stop when the second one is closed.
	SetupSignalHandler func() (context.Context, context.Context)
}

var DefaultRunCmdOpts = RunCmdOpts{
	SetupSignalHandler: core.SetupSignalHandler,
}