зеркало из https://github.com/microsoft/docker.git
83 строки
2.0 KiB
Go
83 строки
2.0 KiB
Go
package runconfig
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import (
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"fmt"
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"github.com/docker/docker/engine"
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flag "github.com/docker/docker/pkg/mflag"
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)
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type ExecConfig struct {
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User string
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Privileged bool
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Tty bool
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Container string
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AttachStdin bool
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AttachStderr bool
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AttachStdout bool
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Detach bool
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Cmd []string
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}
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func ExecConfigFromJob(job *engine.Job) (*ExecConfig, error) {
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execConfig := &ExecConfig{
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// TODO(vishh): Expose 'User' once it is supported.
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//User: job.Getenv("User"),
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// TODO(vishh): Expose 'Privileged' once it is supported.
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//Privileged: job.GetenvBool("Privileged"),
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Tty: job.GetenvBool("Tty"),
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AttachStdin: job.GetenvBool("AttachStdin"),
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AttachStderr: job.GetenvBool("AttachStderr"),
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AttachStdout: job.GetenvBool("AttachStdout"),
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}
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cmd := job.GetenvList("Cmd")
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if len(cmd) == 0 {
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return nil, fmt.Errorf("No exec command specified")
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}
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execConfig.Cmd = cmd
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return execConfig, nil
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}
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func ParseExec(cmd *flag.FlagSet, args []string) (*ExecConfig, error) {
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var (
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flStdin = cmd.Bool([]string{"i", "-interactive"}, false, "Keep STDIN open even if not attached")
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flTty = cmd.Bool([]string{"t", "-tty"}, false, "Allocate a pseudo-TTY")
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flDetach = cmd.Bool([]string{"d", "-detach"}, false, "Detached mode: run command in the background")
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execCmd []string
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container string
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)
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if err := cmd.Parse(args); err != nil {
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return nil, err
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}
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parsedArgs := cmd.Args()
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if len(parsedArgs) < 2 {
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return nil, fmt.Errorf("not enough arguments to create exec command")
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}
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container = cmd.Arg(0)
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execCmd = parsedArgs[1:]
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execConfig := &ExecConfig{
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// TODO(vishh): Expose '-u' flag once it is supported.
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User: "",
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// TODO(vishh): Expose '-p' flag once it is supported.
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Privileged: false,
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Tty: *flTty,
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Cmd: execCmd,
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Container: container,
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Detach: *flDetach,
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}
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// If -d is not set, attach to everything by default
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if !*flDetach {
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execConfig.AttachStdout = true
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execConfig.AttachStderr = true
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if *flStdin {
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execConfig.AttachStdin = true
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}
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}
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return execConfig, nil
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}
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