github.com/alibaba/ilogtail/pkg@v0.0.0-20250526110833-c53b480d046c/helper/containercenter/process_helper_linux.go (about)

     1  // Copyright 2022 iLogtail Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  //go:build linux
    16  // +build linux
    17  
    18  package containercenter
    19  
    20  import (
    21  	"context"
    22  	"fmt"
    23  
    24  	"github.com/alibaba/ilogtail/pkg/logger"
    25  	"github.com/alibaba/ilogtail/pkg/util"
    26  )
    27  
    28  func ContainerProcessAlive(pid int) bool {
    29  	procStatPath := GetMountedFilePath(fmt.Sprintf("/proc/%d/stat", pid))
    30  	exist, err := util.PathExists(procStatPath)
    31  	if err != nil {
    32  		logger.Error(context.Background(), "DETECT_CONTAINER_ALARM", "stat container proc path", procStatPath, "error", err)
    33  	} else if !exist {
    34  		return false
    35  	}
    36  	return true
    37  }