Ejemplo n.º 1
0
func RunInit() error {
	var cfg config.Config

	os.Setenv("PATH", "/sbin:/usr/sbin:/usr/bin")
	os.Setenv("DOCKER_RAMDISK", "true")

	initFuncs := []config.InitFunc{
		func(cfg *config.Config) error {
			return createDirs(dirs...)
		},
		func(cfg *config.Config) error {
			log.Info("Setting up mounts")
			return createMounts(mounts...)
		},
		func(cfg *config.Config) error {
			newCfg, err := config.LoadConfig()
			if err == nil {
				newCfg, err = config.LoadConfig()
			}
			if err == nil {
				*cfg = *newCfg
			}

			if cfg.Debug {
				cfgString, _ := config.Dump(false, true)
				if cfgString != "" {
					log.Debugf("Config: %s", cfgString)
				}
			}

			return err
		},
		mountCgroups,
		func(cfg *config.Config) error {
			return createSymlinks(cfg, symlinks)
		},
		createGroups,
		extractModules,
		loadModules,
		setResolvConf,
		setupSystemBridge,
		bootstrap,
		mountState,
		func(cfg *config.Config) error {
			return cfg.Reload()
		},
		loadModules,
		setResolvConf,
		func(cfg *config.Config) error {
			return createDirs(postDirs...)
		},
		func(cfg *config.Config) error {
			return createMounts(postMounts...)
		},
		touchSocket,
		// Disable R/O root write now to support updating modules
		//remountRo,
		sysInit,
	}

	if err := config.RunInitFuncs(&cfg, initFuncs); err != nil {
		return err
	}

	return execDocker(&cfg)
}
Ejemplo n.º 2
0
func RunServices(name string, cfg *config.Config, configs map[string]*project.ServiceConfig) error {
	network := false
	projectEvents := make(chan project.ProjectEvent)
	p := project.NewProject(name, NewContainerFactory(cfg))
	p.EnvironmentLookup = &configEnvironment{cfg: cfg}
	p.AddListener(projectEvents)
	enabled := make(map[string]bool)

	for name, serviceConfig := range configs {
		if err := p.AddConfig(name, serviceConfig); err != nil {
			log.Infof("Failed loading service %s", name)
		}
	}

	p.ReloadCallback = func() error {
		err := cfg.Reload()
		if err != nil {
			return err
		}

		for service, serviceEnabled := range cfg.ServicesInclude {
			if !serviceEnabled {
				continue
			}

			if _, ok := enabled[service]; ok {
				continue
			}

			bytes, err := LoadServiceResource(service, network, cfg)
			if err != nil {
				if err == util.ErrNoNetwork {
					log.Debugf("Can not load %s, networking not enabled", service)
				} else {
					log.Errorf("Failed to load %s : %v", service, err)
				}
				continue
			}

			err = p.Load(bytes)
			if err != nil {
				log.Errorf("Failed to load %s : %v", service, err)
				continue
			}

			enabled[service] = true
		}

		for service, config := range cfg.Services {
			if _, ok := enabled[service]; ok {
				continue
			}

			err = p.AddConfig(service, config)
			if err != nil {
				log.Errorf("Failed to load %s : %v", service, err)
				continue
			}

			enabled[service] = true
		}

		return nil
	}

	go func() {
		for event := range projectEvents {
			if event.Event == project.CONTAINER_STARTED && event.ServiceName == "network" {
				network = true
			}
		}
	}()

	err := p.ReloadCallback()
	if err != nil {
		log.Errorf("Failed to reload %s : %v", name, err)
		return err
	}
	return p.Up()
}