예제 #1
0
func newServer(goCtx gocontext.Context, config gofig.Config) (*server, error) {

	adminTokenUUID, err := types.NewUUID()
	if err != nil {
		return nil, err
	}
	adminToken := adminTokenUUID.String()
	serverName := randomServerName()

	ctx := context.New(goCtx)
	ctx = ctx.WithValue(context.ServerKey, serverName)
	ctx = ctx.WithValue(context.AdminTokenKey, adminToken)

	if lvl, ok := context.GetLogLevel(ctx); ok {
		switch lvl {
		case log.DebugLevel:
			ctx = context.WithValue(
				ctx, gournal.LevelKey(),
				gournal.DebugLevel)
		case log.InfoLevel:
			ctx = context.WithValue(
				ctx, gournal.LevelKey(),
				gournal.InfoLevel)
		case log.WarnLevel:
			ctx = context.WithValue(
				ctx, gournal.LevelKey(),
				gournal.WarnLevel)
		case log.ErrorLevel:
			ctx = context.WithValue(
				ctx, gournal.LevelKey(),
				gournal.ErrorLevel)
		case log.FatalLevel:
			ctx = context.WithValue(
				ctx, gournal.LevelKey(),
				gournal.FatalLevel)
		case log.PanicLevel:
			ctx = context.WithValue(
				ctx, gournal.LevelKey(),
				gournal.PanicLevel)
		}
	}

	if logger, ok := ctx.Value(context.LoggerKey).(*log.Logger); ok {
		ctx = context.WithValue(
			ctx, gournal.AppenderKey(),
			glogrus.NewWithOptions(
				logger.Out, logger.Level, logger.Formatter))
	}

	if config == nil {
		var err error
		if config, err = apicnfg.NewConfig(); err != nil {
			return nil, err
		}
	}
	config = config.Scope(types.ConfigServer)

	s := &server{
		ctx:          ctx,
		name:         serverName,
		adminToken:   adminToken,
		config:       config,
		closeSignal:  make(chan int),
		closedSignal: make(chan int),
		closeOnce:    &sync.Once{},
	}

	if logger, ok := s.ctx.Value(context.LoggerKey).(*log.Logger); ok {
		s.PrintServerStartupHeader(logger.Out)
	} else {
		s.PrintServerStartupHeader(os.Stdout)
	}

	if lvl, err := log.ParseLevel(
		config.GetString(types.ConfigLogLevel)); err == nil {
		context.SetLogLevel(s.ctx, lvl)
	}

	logFields := log.Fields{}
	logConfig, err := utils.ParseLoggingConfig(
		config, logFields, "libstorage.server")
	if err != nil {
		return nil, err
	}

	// always update the server context's log level
	context.SetLogLevel(s.ctx, logConfig.Level)
	s.ctx.WithFields(logFields).Info("configured logging")

	s.ctx.Info("initializing server")

	if err := s.initEndpoints(s.ctx); err != nil {
		return nil, err
	}
	s.ctx.Info("initialized endpoints")

	if err := services.Init(s.ctx, s.config); err != nil {
		return nil, err
	}
	s.ctx.Info("initialized services")

	if logConfig.HTTPRequests || logConfig.HTTPResponses {
		s.logHTTPEnabled = true
		s.logHTTPRequests = logConfig.HTTPRequests
		s.logHTTPResponses = logConfig.HTTPResponses
		s.stdOut = getLogIO(logConfig.Stdout, types.ConfigLogStdout)
		s.stdErr = getLogIO(logConfig.Stderr, types.ConfigLogStderr)
	}

	s.initGlobalMiddleware()

	if err := s.initRouters(); err != nil {
		return nil, err
	}

	servers = append(servers, s)

	return s, nil
}
예제 #2
0
// New returns a new libStorage client.
func New(goCtx gocontext.Context, config gofig.Config) (types.Client, error) {

	if config == nil {
		var err error
		if config, err = apicnfg.NewConfig(); err != nil {
			return nil, err
		}
	}

	config = config.Scope(types.ConfigClient)
	types.BackCompat(config)

	var (
		c   *client
		err error
	)

	c = &client{ctx: context.New(goCtx), config: config}
	c.ctx = c.ctx.WithValue(context.ClientKey, c)

	logFields := log.Fields{}
	logConfig, err := utils.ParseLoggingConfig(
		config, logFields, "libstorage.client")
	if err != nil {
		return nil, err
	}

	// always update the server context's log level
	context.SetLogLevel(c.ctx, logConfig.Level)
	c.ctx.WithFields(logFields).Info("configured logging")

	if config.IsSet(types.ConfigService) {
		c.ctx = c.ctx.WithValue(
			context.ServiceKey, config.GetString(types.ConfigService))
	}

	storDriverName := config.GetString(types.ConfigStorageDriver)
	if storDriverName == "" {
		c.ctx.Warn("no storage driver found")
	} else {
		if c.sd, err = registry.NewStorageDriver(storDriverName); err != nil {
			return nil, err
		}
		if err = c.sd.Init(c.ctx, config); err != nil {
			return nil, err
		}
		if papi, ok := c.sd.(types.ProvidesAPIClient); ok {
			c.api = papi.API()
		}
		if pxli, pxliOk := c.sd.(types.ProvidesStorageExecutorCLI); pxliOk {
			c.xli = pxli.XCLI()
		}
		c.ctx.Info("storage driver initialized")
	}

	// if the API or XLI are nil, then the storage driver is not the libStorage
	// storage driver, and we should jump avoid any more initialization
	if c.api == nil || c.xli == nil {
		c.ctx.Info("created libStorage client")
		return c, nil
	}

	osDriverName := config.GetString(types.ConfigOSDriver)
	if osDriverName == "" {
		c.ctx.Warn("no os driver found")
	} else {
		if c.od, err = registry.NewOSDriver(osDriverName); err != nil {
			return nil, err
		}
		if err = c.od.Init(c.ctx, config); err != nil {
			return nil, err
		}
		c.ctx.Info("os driver initialized")
	}

	intDriverName := config.GetString(types.ConfigIntegrationDriver)
	if intDriverName == "" {
		c.ctx.Warn("no integration driver found")
	} else {
		if c.id, err = registry.NewIntegrationDriver(
			intDriverName); err != nil {
			return nil, err
		}
		if err := c.id.Init(c.ctx, config); err != nil {
			return nil, err
		}
		c.ctx.Info("integration driver initialized")
	}

	c.ctx.Info("created libStorage client")
	return c, nil
}