github.com/rish1988/moby@v25.0.2+incompatible/container/monitor.go (about)

     1  package container // import "github.com/docker/docker/container"
     2  
     3  import (
     4  	"context"
     5  	"time"
     6  
     7  	"github.com/containerd/log"
     8  )
     9  
    10  const (
    11  	loggerCloseTimeout = 10 * time.Second
    12  )
    13  
    14  // Reset puts a container into a state where it can be restarted again.
    15  func (container *Container) Reset(lock bool) {
    16  	if lock {
    17  		container.Lock()
    18  		defer container.Unlock()
    19  	}
    20  
    21  	if err := container.CloseStreams(); err != nil {
    22  		log.G(context.TODO()).Errorf("%s: %s", container.ID, err)
    23  	}
    24  
    25  	// Re-create a brand new stdin pipe once the container exited
    26  	if container.Config.OpenStdin {
    27  		container.StreamConfig.NewInputPipes()
    28  	}
    29  
    30  	if container.LogDriver != nil {
    31  		if container.LogCopier != nil {
    32  			exit := make(chan struct{})
    33  			go func() {
    34  				container.LogCopier.Wait()
    35  				close(exit)
    36  			}()
    37  
    38  			timer := time.NewTimer(loggerCloseTimeout)
    39  			defer timer.Stop()
    40  			select {
    41  			case <-timer.C:
    42  				log.G(context.TODO()).Warn("Logger didn't exit in time: logs may be truncated")
    43  			case <-exit:
    44  			}
    45  		}
    46  		container.LogDriver.Close()
    47  		container.LogCopier = nil
    48  		container.LogDriver = nil
    49  	}
    50  }