// 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.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.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
}
default:
return nil, errors.New("Cannot create a client for a plugin of the type: " + resp.Type.String())
}
return ap, nil
}
// 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
}