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