| package daemon |
| |
| import ( |
| "fmt" |
| "runtime" |
| |
| "github.com/docker/docker/runconfig" |
| ) |
| |
| func (daemon *Daemon) ContainerStart(name string, hostConfig *runconfig.HostConfig) error { |
| container, err := daemon.Get(name) |
| if err != nil { |
| return err |
| } |
| |
| if container.IsPaused() { |
| return fmt.Errorf("Cannot start a paused container, try unpause instead.") |
| } |
| |
| if container.IsRunning() { |
| return fmt.Errorf("Container already started") |
| } |
| |
| if _, err = daemon.verifyContainerSettings(hostConfig, nil); err != nil { |
| return err |
| } |
| |
| // Windows does not have the backwards compatibilty issue here. |
| if runtime.GOOS != "windows" { |
| // This is kept for backward compatibility - hostconfig should be passed when |
| // creating a container, not during start. |
| if hostConfig != nil { |
| if err := daemon.setHostConfig(container, hostConfig); err != nil { |
| return err |
| } |
| } |
| } else { |
| if hostConfig != nil { |
| return fmt.Errorf("Supplying a hostconfig on start is not supported. It should be supplied on create") |
| } |
| } |
| |
| if err := container.Start(); err != nil { |
| return fmt.Errorf("Cannot start container %s: %s", name, err) |
| } |
| |
| return nil |
| } |