github.com/rentongzhang/docker@v1.8.2-rc1/api/client/load.go (about)

     1  package client
     2  
     3  import (
     4  	"io"
     5  	"os"
     6  
     7  	Cli "github.com/docker/docker/cli"
     8  	flag "github.com/docker/docker/pkg/mflag"
     9  )
    10  
    11  // CmdLoad loads an image from a tar archive.
    12  //
    13  // The tar archive is read from STDIN by default, or from a tar archive file.
    14  //
    15  // Usage: docker load [OPTIONS]
    16  func (cli *DockerCli) CmdLoad(args ...string) error {
    17  	cmd := Cli.Subcmd("load", nil, "Load an image from a tar archive or STDIN", true)
    18  	infile := cmd.String([]string{"i", "-input"}, "", "Read from a tar archive file, instead of STDIN")
    19  	cmd.Require(flag.Exact, 0)
    20  
    21  	cmd.ParseFlags(args, true)
    22  
    23  	var (
    24  		input io.Reader = cli.in
    25  		err   error
    26  	)
    27  	if *infile != "" {
    28  		input, err = os.Open(*infile)
    29  		if err != nil {
    30  			return err
    31  		}
    32  	}
    33  	sopts := &streamOpts{
    34  		rawTerminal: true,
    35  		in:          input,
    36  		out:         cli.out,
    37  	}
    38  	if _, err := cli.stream("POST", "/images/load", sopts); err != nil {
    39  		return err
    40  	}
    41  	return nil
    42  }