func NewSqlQuery(config Config) *SqlQuery {
sq := &SqlQuery{}
sq.qe = NewQueryEngine(config)
stats.PublishJSONFunc("Voltron", sq.statsJSON)
stats.Publish("TabletState", stats.IntFunc(sq.state.Get))
stats.Publish("TabletStateName", stats.StringFunc(sq.GetState))
return sq
}
func NewSqlQuery(config Config) *SqlQuery {
sq := &SqlQuery{}
sq.qe = NewQueryEngine(config)
sq.states = stats.NewStates("", []string{
stateName[NOT_SERVING],
stateName[CONNECTING],
stateName[ABORT],
stateName[INITIALIZING],
stateName[SERVING],
stateName[SHUTTING_DOWN],
}, time.Now(), NOT_SERVING)
stats.PublishJSONFunc("Voltron", sq.statsJSON)
stats.Publish("TabletState", stats.IntFunc(sq.state.Get))
return sq
}
func NewZkReader(resolveLocal bool, preload []string) *ZkReader {
zkr := &ZkReader{zcell: make(map[string]*zkCell), resolveLocal: resolveLocal}
if resolveLocal {
zkr.localCell = zk.GuessLocalCell()
}
zkr.rpcCalls = stats.NewInt("ZkReaderRpcCalls")
zkr.unknownCellErrors = stats.NewInt("ZkReaderUnknownCellErrors")
zkr.zkrStats = newZkrStats()
stats.PublishJSONFunc("ZkReader", zkr.statsJSON)
// start some cells
for _, cellName := range preload {
_, path, err := zkr.getCell("/zk/" + cellName)
if err != nil {
log.Errorf("Cell " + cellName + " could not be preloaded: " + err.Error())
} else {
log.Infof("Cell " + cellName + " preloaded for: " + path)
}
}
return zkr
}
func init() {
zconn := zk.NewMetaConn()
stats.PublishJSONFunc("ZkMetaConn", zconn.String)
topo.RegisterServer("zookeeper", &Server{zconn: zconn})
}
func init() {
zconn := zk.NewMetaConn(false)
stats.PublishJSONFunc("ZkMetaConn", zconn.String)
topo.RegisterServer("zookeeper", NewServer(zconn))
}