// StartLogging initializes and starts the container logging stream. func (daemon *Daemon) StartLogging(container *container.Container) error { cfg := container.GetLogConfig(daemon.defaultLogConfig) if cfg.Type == "none" { return nil // do not start logging routines } if err := logger.ValidateLogOpts(cfg.Type, cfg.Config); err != nil { return err } l, err := container.StartLogger(cfg) if err != nil { return fmt.Errorf("Failed to initialize logging driver: %v", err) } copier := logger.NewCopier(container.ID, map[string]io.Reader{"stdout": container.StdoutPipe(), "stderr": container.StderrPipe()}, l) container.LogCopier = copier copier.Run() container.LogDriver = l // set LogPath field only for json-file logdriver if jl, ok := l.(*jsonfilelog.JSONFileLogger); ok { container.LogPath = jl.LogPath() } return nil }
func (daemon *Daemon) getLogger(container *container.Container) (logger.Logger, error) { if container.LogDriver != nil && container.IsRunning() { return container.LogDriver, nil } cfg := container.GetLogConfig(daemon.defaultLogConfig) if err := logger.ValidateLogOpts(cfg.Type, cfg.Config); err != nil { return nil, err } return container.StartLogger(cfg) }
// Create creates a new container from the given configuration with a given name. func (daemon *Daemon) create(params types.ContainerCreateConfig) (retC *container.Container, retErr error) { var ( container *container.Container img *image.Image imgID image.ID err error ) if params.Config.Image != "" { img, err = daemon.GetImage(params.Config.Image) if err != nil { return nil, err } imgID = img.ID() } if err := daemon.mergeAndVerifyConfig(params.Config, img); err != nil { return nil, err } if container, err = daemon.newContainer(params.Name, params.Config, imgID); err != nil { return nil, err } defer func() { if retErr != nil { if err := daemon.ContainerRm(container.ID, &types.ContainerRmConfig{ForceRemove: true}); err != nil { logrus.Errorf("Clean up Error! Cannot destroy container %s: %v", container.ID, err) } } }() logCfg := container.GetLogConfig(daemon.defaultLogConfig) if err := logger.ValidateLogOpts(logCfg.Type, logCfg.Config); err != nil { return nil, err } if err := daemon.setSecurityOptions(container, params.HostConfig); err != nil { return nil, err } // Set RWLayer for container after mount labels have been set if err := daemon.setRWLayer(container); err != nil { return nil, err } if err := daemon.Register(container); err != nil { return nil, err } rootUID, rootGID, err := idtools.GetRootUIDGID(daemon.uidMaps, daemon.gidMaps) if err != nil { return nil, err } if err := idtools.MkdirAs(container.Root, 0700, rootUID, rootGID); err != nil { return nil, err } if err := daemon.setHostConfig(container, params.HostConfig); err != nil { return nil, err } defer func() { if retErr != nil { if err := daemon.removeMountPoints(container, true); err != nil { logrus.Error(err) } } }() if err := daemon.createContainerPlatformSpecificSettings(container, params.Config, params.HostConfig); err != nil { return nil, err } var endpointsConfigs map[string]*networktypes.EndpointSettings if params.NetworkingConfig != nil { endpointsConfigs = params.NetworkingConfig.EndpointsConfig } if err := daemon.updateContainerNetworkSettings(container, endpointsConfigs); err != nil { return nil, err } if err := container.ToDiskLocking(); err != nil { logrus.Errorf("Error saving new container to disk: %v", err) return nil, err } daemon.LogContainerEvent(container, "create") return container, nil }