github.com/kaisenlinux/docker.io@v0.0.0-20230510090727-ea55db55fac7/engine/container/monitor.go (about)

     1  package container // import "github.com/docker/docker/container"
     2  
     3  import (
     4  	"time"
     5  
     6  	"github.com/sirupsen/logrus"
     7  )
     8  
     9  const (
    10  	loggerCloseTimeout = 10 * time.Second
    11  )
    12  
    13  // Reset puts a container into a state where it can be restarted again.
    14  func (container *Container) Reset(lock bool) {
    15  	if lock {
    16  		container.Lock()
    17  		defer container.Unlock()
    18  	}
    19  
    20  	if err := container.CloseStreams(); err != nil {
    21  		logrus.Errorf("%s: %s", container.ID, err)
    22  	}
    23  
    24  	// Re-create a brand new stdin pipe once the container exited
    25  	if container.Config.OpenStdin {
    26  		container.StreamConfig.NewInputPipes()
    27  	}
    28  
    29  	if container.LogDriver != nil {
    30  		if container.LogCopier != nil {
    31  			exit := make(chan struct{})
    32  			go func() {
    33  				container.LogCopier.Wait()
    34  				close(exit)
    35  			}()
    36  
    37  			timer := time.NewTimer(loggerCloseTimeout)
    38  			defer timer.Stop()
    39  			select {
    40  			case <-timer.C:
    41  				logrus.Warn("Logger didn't exit in time: logs may be truncated")
    42  			case <-exit:
    43  			}
    44  		}
    45  		container.LogDriver.Close()
    46  		container.LogCopier = nil
    47  		container.LogDriver = nil
    48  	}
    49  }