github.com/ralexstokes/docker@v1.6.2/daemon/copy.go (about)

     1  package daemon
     2  
     3  import (
     4  	"io"
     5  
     6  	"github.com/docker/docker/engine"
     7  )
     8  
     9  func (daemon *Daemon) ContainerCopy(job *engine.Job) engine.Status {
    10  	if len(job.Args) != 2 {
    11  		return job.Errorf("Usage: %s CONTAINER RESOURCE\n", job.Name)
    12  	}
    13  
    14  	var (
    15  		name     = job.Args[0]
    16  		resource = job.Args[1]
    17  	)
    18  
    19  	container, err := daemon.Get(name)
    20  	if err != nil {
    21  		return job.Error(err)
    22  	}
    23  
    24  	data, err := container.Copy(resource)
    25  	if err != nil {
    26  		return job.Error(err)
    27  	}
    28  	defer data.Close()
    29  
    30  	if _, err := io.Copy(job.Stdout, data); err != nil {
    31  		return job.Error(err)
    32  	}
    33  	return engine.StatusOK
    34  }