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moby--moby/api/client/image/load.go
Vincent Demeester 8b1d40271f
Migrate load command to cobra
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
2016-06-09 17:28:33 +02:00

67 lines
1.5 KiB
Go

package image
import (
"io"
"os"
"golang.org/x/net/context"
"github.com/docker/docker/api/client"
"github.com/docker/docker/cli"
"github.com/docker/docker/pkg/jsonmessage"
"github.com/spf13/cobra"
)
type loadOptions struct {
input string
quiet bool
}
// NewLoadCommand creates a new `docker load` command
func NewLoadCommand(dockerCli *client.DockerCli) *cobra.Command {
var opts loadOptions
cmd := &cobra.Command{
Use: "load [OPTIONS]",
Short: "Load an image from a tar archive or STDIN",
Args: cli.NoArgs,
RunE: func(cmd *cobra.Command, args []string) error {
return runLoad(dockerCli, opts)
},
}
flags := cmd.Flags()
flags.StringVarP(&opts.input, "input", "i", "", "Read from tar archive file, instead of STDIN")
flags.BoolVarP(&opts.quiet, "quiet", "q", false, "Suppress the load output")
return cmd
}
func runLoad(dockerCli *client.DockerCli, opts loadOptions) error {
var input io.Reader = dockerCli.In()
if opts.input != "" {
file, err := os.Open(opts.input)
if err != nil {
return err
}
defer file.Close()
input = file
}
if !dockerCli.IsTerminalOut() {
opts.quiet = true
}
response, err := dockerCli.Client().ImageLoad(context.Background(), input, opts.quiet)
if err != nil {
return err
}
defer response.Body.Close()
if response.Body != nil && response.JSON {
return jsonmessage.DisplayJSONMessagesStream(response.Body, dockerCli.Out(), dockerCli.OutFd(), dockerCli.IsTerminalOut(), nil)
}
_, err = io.Copy(dockerCli.Out(), response.Body)
return err
}