package runconfig import ( "fmt" "github.com/docker/docker/engine" flag "github.com/docker/docker/pkg/mflag" "github.com/docker/docker/utils" ) type ExecConfig struct { User string Privileged bool Tty bool Container string AttachStdin bool AttachStderr bool AttachStdout bool Detach bool Cmd []string } func ExecConfigFromJob(job *engine.Job) (*ExecConfig, error) { execConfig := &ExecConfig{ // TODO(vishh): Expose 'User' once it is supported. //User: job.Getenv("User"), // TODO(vishh): Expose 'Privileged' once it is supported. //Privileged: job.GetenvBool("Privileged"), Tty: job.GetenvBool("Tty"), AttachStdin: job.GetenvBool("AttachStdin"), AttachStderr: job.GetenvBool("AttachStderr"), AttachStdout: job.GetenvBool("AttachStdout"), } cmd := job.GetenvList("Cmd") if len(cmd) == 0 { return nil, fmt.Errorf("No exec command specified") } execConfig.Cmd = cmd return execConfig, nil } func ParseExec(cmd *flag.FlagSet, args []string) (*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") execCmd []string container string ) cmd.Require(flag.Min, 2) if err := utils.ParseFlags(cmd, args, true); err != nil { return nil, err } container = cmd.Arg(0) parsedArgs := cmd.Args() execCmd = parsedArgs[1:] execConfig := &ExecConfig{ // TODO(vishh): Expose '-u' flag once it is supported. User: "", // TODO(vishh): Expose '-p' flag once it is supported. Privileged: false, 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 }