package context import ( "fmt" "io" "os" "github.com/docker/cli/cli" "github.com/docker/cli/cli/command" "github.com/docker/cli/cli/context/store" "github.com/spf13/cobra" ) func newImportCommand(dockerCli command.Cli) *cobra.Command { cmd := &cobra.Command{ Use: "import CONTEXT FILE|-", Short: "Import a context from a tar file", Args: cli.ExactArgs(2), RunE: func(cmd *cobra.Command, args []string) error { return RunImport(dockerCli, args[0], args[1]) }, } return cmd } // RunImport imports a Docker context func RunImport(dockerCli command.Cli, name string, source string) error { if err := checkContextNameForCreation(dockerCli.ContextStore(), name); err != nil { return err } var reader io.Reader if source == "-" { reader = dockerCli.In() } else { f, err := os.Open(source) if err != nil { return err } defer f.Close() reader = f } if err := store.Import(name, dockerCli.ContextStore(), reader); err != nil { return err } fmt.Fprintln(dockerCli.Out(), name) fmt.Fprintf(dockerCli.Err(), "Successfully imported context %q\n", name) return nil }