/
app.go
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/
app.go
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/*
* Tencent is pleased to support the open source community by making Blueking Container Service available.
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* Licensed under the MIT License (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
* http://opensource.org/licenses/MIT
* 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 app
import (
"fmt"
exec "github.com/Tencent/bk-bcs/bcs-mesos/bcs-container-executor/executor"
"github.com/Tencent/bk-bcs/bcs-mesos/bcs-container-executor/logs"
"os"
"os/signal"
"strings"
"syscall"
)
//Run is entry point for container executor
func Run(cmd *CommandFlags) error {
cmd.NetworkMode = strings.ToLower(cmd.NetworkMode)
//create ExecutorDriver
e := NewBcsExecutor(cmd)
if e == nil {
return fmt.Errorf("Create Executor failed")
}
driver := exec.NewExecutorDriver(e)
if driver == nil {
return fmt.Errorf("Create ExeuctorDriver failed")
}
e.SetDriver(driver)
_, err := driver.Start()
if err != nil {
return nil
}
interupt := make(chan os.Signal, 10)
signal.Notify(interupt, syscall.SIGINT, syscall.SIGKILL, syscall.SIGTERM)
go handleSysSignal(interupt, e, driver)
_, waitErr := driver.Join()
return waitErr
}
func handleSysSignal(signalChan <-chan os.Signal, executor exec.Executor, driver exec.ExecutorDriver) {
select {
case <-signalChan:
logs.Infoln("Get signal from system. Executor was killed, ready to Stop")
executor.Shutdown(driver)
driver.Stop()
return
}
}