// SetConfig is specified in the Environ interface. func (env *localEnviron) SetConfig(cfg *config.Config) error { ecfg, err := providerInstance.newConfig(cfg) if err != nil { logger.Errorf("failed to create new environ config: %v", err) return errors.Trace(err) } env.localMutex.Lock() defer env.localMutex.Unlock() env.config = ecfg env.name = ecfg.Name() containerType := ecfg.container() managerConfig := container.ManagerConfig{ container.ConfigName: env.config.namespace(), container.ConfigLogDir: env.config.logDir(), } var imageURLGetter container.ImageURLGetter if containerType == instance.LXC { if useLxcClone, ok := cfg.LXCUseClone(); ok { managerConfig["use-clone"] = fmt.Sprint(useLxcClone) } if useLxcCloneAufs, ok := cfg.LXCUseCloneAUFS(); ok { managerConfig["use-aufs"] = fmt.Sprint(useLxcCloneAufs) } // For lxc containers, we cache image tarballs in the environment storage, so here // we construct a URL getter. if uuid, ok := ecfg.UUID(); ok { var caCert []byte = nil if cert, ok := cfg.CACert(); ok { caCert = []byte(cert) } baseUrl := ecfg.CloudImageBaseURL() imageURLGetter = container.NewImageURLGetter( // Explicitly call the non-named constructor so if anyone // adds additional fields, this fails. container.ImageURLGetterConfig{ ecfg.stateServerAddr(), uuid, caCert, baseUrl, container.ImageDownloadURL, }) } } env.containerManager, err = factory.NewContainerManager( containerType, managerConfig, imageURLGetter) if err != nil { return errors.Trace(err) } // When the localEnviron value is created on the client // side, the bootstrap-ip attribute will not exist, // because it is only set *within* the running // environment, not in the configuration created by // Prepare. if addr := ecfg.bootstrapIPAddress(); addr != "" { env.bridgeAddress = addr return nil } // If we get to here, it is because we haven't yet bootstrapped an // environment, and saved the config in it, or we are running a command // from the command line, so it is ok to work on the assumption that we // have direct access to the directories. if err := env.config.createDirs(); err != nil { return errors.Trace(err) } // Record the network bridge address and create a filestorage. if err := env.resolveBridgeAddress(cfg); err != nil { return errors.Trace(err) } return nil }