Golang Config.LXCUseClone方法代码示例

// 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
}