예제 #1
0
// newAvailablePlugin returns an availablePlugin with information from a
// plugin.Response
func newAvailablePlugin(resp *plugin.Response, emitter gomit.Emitter, ep executablePlugin) (*availablePlugin, error) {
	if resp.Type != plugin.CollectorPluginType && resp.Type != plugin.ProcessorPluginType && resp.Type != plugin.PublisherPluginType {
		return nil, strategy.ErrBadType
	}
	ap := &availablePlugin{
		meta:        resp.Meta,
		name:        resp.Meta.Name,
		version:     resp.Meta.Version,
		pluginType:  resp.Type,
		emitter:     emitter,
		healthChan:  make(chan error, 1),
		lastHitTime: time.Now(),
		ePlugin:     ep,
	}
	ap.key = fmt.Sprintf("%s:%s:%d", ap.pluginType.String(), ap.name, ap.version)

	listenURL := fmt.Sprintf("http://%v/rpc", resp.ListenAddress)
	// Create RPC Client
	switch resp.Type {
	case plugin.CollectorPluginType:
		switch resp.Meta.RPCType {
		case plugin.JSONRPC:
			c, e := client.NewCollectorHttpJSONRPCClient(listenURL, DefaultClientTimeout, resp.PublicKey, !resp.Meta.Unsecure)
			if e != nil {
				return nil, errors.New("error while creating client connection: " + e.Error())
			}
			ap.client = c
		case plugin.NativeRPC:
			c, e := client.NewCollectorNativeClient(resp.ListenAddress, DefaultClientTimeout, resp.PublicKey, !resp.Meta.Unsecure)
			if e != nil {
				return nil, errors.New("error while creating client connection: " + e.Error())
			}
			ap.client = c
		case plugin.GRPC:
			c, e := client.NewCollectorGrpcClient(resp.ListenAddress, DefaultClientTimeout, resp.PublicKey, !resp.Meta.Unsecure)
			if e != nil {
				return nil, errors.New("error while creating client connection: " + e.Error())
			}
			ap.client = c
			//TODO(CDR): Add default cases to these switches to catch invalid rpctype?
		}
	case plugin.PublisherPluginType:
		switch resp.Meta.RPCType {
		case plugin.JSONRPC:
			c, e := client.NewPublisherHttpJSONRPCClient(listenURL, DefaultClientTimeout, resp.PublicKey, !resp.Meta.Unsecure)
			if e != nil {
				return nil, errors.New("error while creating client connection: " + e.Error())
			}
			ap.client = c
		case plugin.NativeRPC:
			c, e := client.NewPublisherNativeClient(resp.ListenAddress, DefaultClientTimeout, resp.PublicKey, !resp.Meta.Unsecure)
			if e != nil {
				return nil, errors.New("error while creating client connection: " + e.Error())
			}
			ap.client = c
		case plugin.GRPC:
			c, e := client.NewPublisherGrpcClient(resp.ListenAddress, DefaultClientTimeout, resp.PublicKey, !resp.Meta.Unsecure)
			if e != nil {
				return nil, errors.New("error while creating client connection: " + e.Error())
			}
			ap.client = c
		}
	case plugin.ProcessorPluginType:
		switch resp.Meta.RPCType {
		case plugin.JSONRPC:
			c, e := client.NewProcessorHttpJSONRPCClient(listenURL, DefaultClientTimeout, resp.PublicKey, !resp.Meta.Unsecure)
			if e != nil {
				return nil, errors.New("error while creating client connection: " + e.Error())
			}
			ap.client = c
		case plugin.NativeRPC:
			c, e := client.NewProcessorNativeClient(resp.ListenAddress, DefaultClientTimeout, resp.PublicKey, !resp.Meta.Unsecure)
			if e != nil {
				return nil, errors.New("error while creating client connection: " + e.Error())
			}
			ap.client = c
		case plugin.GRPC:
			c, e := client.NewProcessorGrpcClient(resp.ListenAddress, DefaultClientTimeout, resp.PublicKey, !resp.Meta.Unsecure)
			if e != nil {
				return nil, errors.New("error while creating client connection: " + e.Error())
			}
			ap.client = c
		}
	default:
		return nil, errors.New("Cannot create a client for a plugin of the type: " + resp.Type.String())
	}

	return ap, nil
}
예제 #2
0
// newAvailablePlugin returns an availablePlugin with information from a
// plugin.Response
func newAvailablePlugin(resp plugin.Response, emitter gomit.Emitter, ep executablePlugin) (*availablePlugin, error) {
	if resp.Type != plugin.CollectorPluginType && resp.Type != plugin.ProcessorPluginType && resp.Type != plugin.PublisherPluginType {
		return nil, strategy.ErrBadType
	}
	ap := &availablePlugin{
		meta:        resp.Meta,
		name:        resp.Meta.Name,
		version:     resp.Meta.Version,
		pluginType:  resp.Type,
		emitter:     emitter,
		healthChan:  make(chan error, 1),
		lastHitTime: time.Now(),
		ePlugin:     ep,
	}
	ap.key = fmt.Sprintf("%s"+core.Separator+"%s"+core.Separator+"%d", ap.pluginType.String(), ap.name, ap.version)

	// Create RPC Client
	switch resp.Type {
	case plugin.CollectorPluginType:
		switch resp.Meta.RPCType {
		case plugin.NativeRPC:
			log.WithFields(log.Fields{
				"_module":     "control-aplugin",
				"_block":      "newAvailablePlugin",
				"plugin_name": ap.name,
			}).Warning("This plugin is using a deprecated RPC protocol. Find more information here: https://github.com/intelsdi-x/snap/issues/1289 ")
			c, e := client.NewCollectorNativeClient(resp.ListenAddress, DefaultClientTimeout, resp.PublicKey, !resp.Meta.Unsecure)
			if e != nil {
				return nil, errors.New("error while creating client connection: " + e.Error())
			}
			ap.client = c
		case plugin.GRPC:
			c, e := client.NewCollectorGrpcClient(resp.ListenAddress, DefaultClientTimeout, resp.PublicKey, !resp.Meta.Unsecure)
			if e != nil {
				return nil, errors.New("error while creating client connection: " + e.Error())
			}
			ap.client = c
		default:
			return nil, errors.New("Invalid RPCTYPE")
		}
	case plugin.PublisherPluginType:
		switch resp.Meta.RPCType {
		case plugin.NativeRPC:
			c, e := client.NewPublisherNativeClient(resp.ListenAddress, DefaultClientTimeout, resp.PublicKey, !resp.Meta.Unsecure)
			if e != nil {
				return nil, errors.New("error while creating client connection: " + e.Error())
			}
			ap.client = c
		case plugin.GRPC:
			c, e := client.NewPublisherGrpcClient(resp.ListenAddress, DefaultClientTimeout, resp.PublicKey, !resp.Meta.Unsecure)
			if e != nil {
				return nil, errors.New("error while creating client connection: " + e.Error())
			}
			ap.client = c
		default:
			return nil, errors.New("Invalid RPCTYPE")
		}
	case plugin.ProcessorPluginType:
		switch resp.Meta.RPCType {
		case plugin.NativeRPC:
			c, e := client.NewProcessorNativeClient(resp.ListenAddress, DefaultClientTimeout, resp.PublicKey, !resp.Meta.Unsecure)
			if e != nil {
				return nil, errors.New("error while creating client connection: " + e.Error())
			}
			ap.client = c
		case plugin.GRPC:
			c, e := client.NewProcessorGrpcClient(resp.ListenAddress, DefaultClientTimeout, resp.PublicKey, !resp.Meta.Unsecure)
			if e != nil {
				return nil, errors.New("error while creating client connection: " + e.Error())
			}
			ap.client = c
		default:
			return nil, errors.New("Invalid RPCTYPE")
		}
	default:
		return nil, errors.New("Cannot create a client for a plugin of the type: " + resp.Type.String())
	}

	return ap, nil
}