package runconfig import ( "github.com/docker/docker/api/types" flag "github.com/docker/docker/pkg/mflag" ) // ParseExec parses the specified args for the specified command and generates // an ExecConfig from it. // If the minimal number of specified args is not right or if specified args are // not valid, it will return an error. func ParseExec(cmd *flag.FlagSet, args []string) (*types.ExecConfig, error) { var ( flStdin = cmd.Bool([]string{"i", "-interactive"}, false, "Keep STDIN open even if not attached") flTty = cmd.Bool([]string{"t", "-tty"}, false, "Allocate a pseudo-TTY") flDetach = cmd.Bool([]string{"d", "-detach"}, false, "Detached mode: run command in the background") flUser = cmd.String([]string{"u", "-user"}, "", "Username or UID (format: [:])") flPrivileged = cmd.Bool([]string{"-privileged"}, false, "Give extended privileges to the command") execCmd []string container string ) cmd.Require(flag.Min, 2) if err := cmd.ParseFlags(args, true); err != nil { return nil, err } container = cmd.Arg(0) parsedArgs := cmd.Args() execCmd = parsedArgs[1:] execConfig := &types.ExecConfig{ User: *flUser, Privileged: *flPrivileged, Tty: *flTty, Cmd: execCmd, Container: container, Detach: *flDetach, } // If -d is not set, attach to everything by default if !*flDetach { execConfig.AttachStdout = true execConfig.AttachStderr = true if *flStdin { execConfig.AttachStdin = true } } return execConfig, nil }