github.com/tsuna/docker@v1.7.0-rc3/api/client/load.go (about)

     1  package client
     2  
     3  import (
     4  	"io"
     5  	"os"
     6  
     7  	flag "github.com/docker/docker/pkg/mflag"
     8  )
     9  
    10  // CmdLoad loads an image from a tar archive.
    11  //
    12  // The tar archive is read from STDIN by default, or from a tar archive file.
    13  //
    14  // Usage: docker load [OPTIONS]
    15  func (cli *DockerCli) CmdLoad(args ...string) error {
    16  	cmd := cli.Subcmd("load", "", "Load an image from a tar archive on STDIN", true)
    17  	infile := cmd.String([]string{"i", "-input"}, "", "Read from a tar archive file, instead of STDIN")
    18  	cmd.Require(flag.Exact, 0)
    19  
    20  	cmd.ParseFlags(args, true)
    21  
    22  	var (
    23  		input io.Reader = cli.in
    24  		err   error
    25  	)
    26  	if *infile != "" {
    27  		input, err = os.Open(*infile)
    28  		if err != nil {
    29  			return err
    30  		}
    31  	}
    32  	sopts := &streamOpts{
    33  		rawTerminal: true,
    34  		in:          input,
    35  		out:         cli.out,
    36  	}
    37  	if err := cli.stream("POST", "/images/load", sopts); err != nil {
    38  		return err
    39  	}
    40  	return nil
    41  }