github.com/hamo/docker@v1.11.1/api/client/load.go (about)

     1  package client
     2  
     3  import (
     4  	"io"
     5  	"os"
     6  
     7  	"golang.org/x/net/context"
     8  
     9  	Cli "github.com/docker/docker/cli"
    10  	"github.com/docker/docker/pkg/jsonmessage"
    11  	flag "github.com/docker/docker/pkg/mflag"
    12  )
    13  
    14  // CmdLoad loads an image from a tar archive.
    15  //
    16  // The tar archive is read from STDIN by default, or from a tar archive file.
    17  //
    18  // Usage: docker load [OPTIONS]
    19  func (cli *DockerCli) CmdLoad(args ...string) error {
    20  	cmd := Cli.Subcmd("load", nil, Cli.DockerCommands["load"].Description, true)
    21  	infile := cmd.String([]string{"i", "-input"}, "", "Read from a tar archive file, instead of STDIN")
    22  	quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Suppress the load output")
    23  	cmd.Require(flag.Exact, 0)
    24  	cmd.ParseFlags(args, true)
    25  
    26  	var input io.Reader = cli.in
    27  	if *infile != "" {
    28  		file, err := os.Open(*infile)
    29  		if err != nil {
    30  			return err
    31  		}
    32  		defer file.Close()
    33  		input = file
    34  	}
    35  	if !cli.isTerminalOut {
    36  		*quiet = true
    37  	}
    38  	response, err := cli.client.ImageLoad(context.Background(), input, *quiet)
    39  	if err != nil {
    40  		return err
    41  	}
    42  	defer response.Body.Close()
    43  
    44  	if response.Body != nil && response.JSON {
    45  		return jsonmessage.DisplayJSONMessagesStream(response.Body, cli.out, cli.outFd, cli.isTerminalOut, nil)
    46  	}
    47  
    48  	_, err = io.Copy(cli.out, response.Body)
    49  	return err
    50  }