mirror of https://github.com/docker/cli.git
93 lines
2.4 KiB
Go
93 lines
2.4 KiB
Go
package image
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import (
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"context"
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"os"
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"strings"
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"github.com/docker/cli/cli"
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"github.com/docker/cli/cli/command"
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dockeropts "github.com/docker/cli/opts"
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"github.com/docker/docker/api/types"
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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 importOptions struct {
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source string
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reference string
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changes dockeropts.ListOpts
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message string
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platform string
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}
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// NewImportCommand creates a new `docker import` command
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func NewImportCommand(dockerCli command.Cli) *cobra.Command {
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var options importOptions
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cmd := &cobra.Command{
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Use: "import [OPTIONS] file|URL|- [REPOSITORY[:TAG]]",
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Short: "Import the contents from a tarball to create a filesystem image",
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Args: cli.RequiresMinArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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options.source = args[0]
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if len(args) > 1 {
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options.reference = args[1]
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}
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return runImport(dockerCli, options)
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},
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Annotations: map[string]string{
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"aliases": "docker image import, docker import",
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},
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}
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flags := cmd.Flags()
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options.changes = dockeropts.NewListOpts(nil)
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flags.VarP(&options.changes, "change", "c", "Apply Dockerfile instruction to the created image")
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flags.StringVarP(&options.message, "message", "m", "", "Set commit message for imported image")
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command.AddPlatformFlag(flags, &options.platform)
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return cmd
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}
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func runImport(dockerCli command.Cli, options importOptions) error {
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var source types.ImageImportSource
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switch {
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case options.source == "-":
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// import from STDIN
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source = types.ImageImportSource{
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Source: dockerCli.In(),
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SourceName: options.source,
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}
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case strings.HasPrefix(options.source, "https://"), strings.HasPrefix(options.source, "http://"):
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// import from a remote source (handled by the daemon)
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source = types.ImageImportSource{
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SourceName: options.source,
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}
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default:
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// import from a local file
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file, err := os.Open(options.source)
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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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source = types.ImageImportSource{
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Source: file,
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SourceName: "-",
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}
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}
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responseBody, err := dockerCli.Client().ImageImport(context.Background(), source, options.reference, types.ImageImportOptions{
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Message: options.message,
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Changes: options.changes.GetAll(),
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Platform: options.platform,
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})
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if err != nil {
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return err
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}
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defer responseBody.Close()
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return jsonmessage.DisplayJSONMessagesToStream(responseBody, dockerCli.Out(), nil)
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}
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