func init() {
// Wait until flags are parsed, so we can check which topo server is in use.
servenv.OnRun(func() {
if zkServer, ok := topo.GetServer().Impl.(*zktopo.Server); ok {
vtctld.HandleExplorer("zk", zktopo.NewZkExplorer(zkServer.GetZConn()))
}
})
}
func main() {
defer exit.Recover()
// flag parsing
flags := dbconfigs.AppConfig | dbconfigs.DbaConfig |
dbconfigs.FilteredConfig | dbconfigs.ReplConfig
dbconfigs.RegisterFlags(flags)
mysqlctl.RegisterFlags()
flag.Parse()
if len(flag.Args()) > 0 {
flag.Usage()
log.Errorf("vtcombo doesn't take any positional arguments")
exit.Return(1)
}
// register topo server
zkconn := fakezk.NewConn()
topo.RegisterServer("fakezk", zktopo.NewServer(zkconn))
ts = topo.GetServerByName("fakezk")
servenv.Init()
tabletserver.Init()
// database configs
mycnf, err := mysqlctl.NewMycnfFromFlags(0)
if err != nil {
log.Errorf("mycnf read failed: %v", err)
exit.Return(1)
}
dbcfgs, err := dbconfigs.Init(mycnf.SocketFile, flags)
if err != nil {
log.Warning(err)
}
mysqld := mysqlctl.NewMysqld("Dba", "App", mycnf, &dbcfgs.Dba, &dbcfgs.App.ConnParams, &dbcfgs.Repl)
servenv.OnClose(mysqld.Close)
// tablets configuration and init
initTabletMap(ts, *topology, mysqld, dbcfgs, mycnf)
// vschema
var schema *planbuilder.Schema
if *vschema != "" {
schema, err = planbuilder.LoadFile(*vschema)
if err != nil {
log.Error(err)
exit.Return(1)
}
log.Infof("v3 is enabled: loaded schema from file")
}
// vtgate configuration and init
resilientSrvTopoServer := vtgate.NewResilientSrvTopoServer(ts, "ResilientSrvTopoServer")
healthCheck := discovery.NewHealthCheck(30*time.Second /*connTimeoutTotal*/, 1*time.Millisecond /*retryDelay*/, 1*time.Minute /*healthCheckTimeout*/)
tabletTypesToWait := []topodatapb.TabletType{
topodatapb.TabletType_MASTER,
topodatapb.TabletType_REPLICA,
topodatapb.TabletType_RDONLY,
}
vtgate.Init(healthCheck, ts, resilientSrvTopoServer, schema, cell, 1*time.Millisecond /*retryDelay*/, 2 /*retryCount*/, 30*time.Second /*connTimeoutTotal*/, 10*time.Second /*connTimeoutPerConn*/, 365*24*time.Hour /*connLife*/, tabletTypesToWait, 0 /*maxInFlight*/, "" /*testGateway*/)
// vtctld configuration and init
vtctld.InitVtctld(ts)
vtctld.HandleExplorer("zk", zktopo.NewZkExplorer(zkconn))
servenv.OnTerm(func() {
// FIXME(alainjobart): stop vtgate
})
servenv.OnClose(func() {
log.Infof("Total count of new connections to MySQL: %v", expvar.Get("mysql-new-connection-count"))
// We will still use the topo server during lameduck period
// to update our state, so closing it in OnClose()
topo.CloseServers()
})
servenv.RunDefault()
}
func main() {
defer exit.Recover()
// flag parsing
flags := dbconfigs.AppConfig | dbconfigs.DbaConfig |
dbconfigs.FilteredConfig | dbconfigs.ReplConfig
dbconfigs.RegisterFlags(flags)
mysqlctl.RegisterFlags()
flag.Parse()
if len(flag.Args()) > 0 {
flag.Usage()
log.Errorf("vtcombo doesn't take any positional arguments")
exit.Return(1)
}
// set discoverygateway flag to default value
flag.Set("cells_to_watch", cell)
// register topo server
zkconn := fakezk.NewConn()
topo.RegisterServer("fakezk", zktopo.NewServer(zkconn))
ts = topo.GetServerByName("fakezk")
servenv.Init()
tabletserver.Init()
// database configs
mycnf, err := mysqlctl.NewMycnfFromFlags(0)
if err != nil {
log.Errorf("mycnf read failed: %v", err)
exit.Return(1)
}
dbcfgs, err := dbconfigs.Init(mycnf.SocketFile, flags)
if err != nil {
log.Warning(err)
}
mysqld := mysqlctl.NewMysqld("Dba", "App", mycnf, &dbcfgs.Dba, &dbcfgs.App.ConnParams, &dbcfgs.Repl)
servenv.OnClose(mysqld.Close)
// tablets configuration and init
if err := initTabletMap(ts, *protoTopo, mysqld, dbcfgs, *schemaDir, mycnf); err != nil {
log.Errorf("initTabletMapProto failed: %v", err)
exit.Return(1)
}
// vtgate configuration and init
resilientSrvTopoServer := vtgate.NewResilientSrvTopoServer(ts, "ResilientSrvTopoServer")
healthCheck := discovery.NewHealthCheck(30*time.Second /*connTimeoutTotal*/, 1*time.Millisecond /*retryDelay*/, 1*time.Hour /*healthCheckTimeout*/)
tabletTypesToWait := []topodatapb.TabletType{
topodatapb.TabletType_MASTER,
topodatapb.TabletType_REPLICA,
topodatapb.TabletType_RDONLY,
}
vtgate.Init(context.Background(), healthCheck, ts, resilientSrvTopoServer, cell, 2 /*retryCount*/, tabletTypesToWait)
// vtctld configuration and init
vtctld.InitVtctld(ts)
vtctld.HandleExplorer("zk", zktopo.NewZkExplorer(zkconn))
servenv.OnTerm(func() {
// FIXME(alainjobart): stop vtgate
})
servenv.OnClose(func() {
// We will still use the topo server during lameduck period
// to update our state, so closing it in OnClose()
topo.CloseServers()
})
servenv.RunDefault()
}
func main() {
defer exit.Recover()
// flag parsing
flags := dbconfigs.AppConfig | dbconfigs.AllPrivsConfig | dbconfigs.DbaConfig |
dbconfigs.FilteredConfig | dbconfigs.ReplConfig
dbconfigs.RegisterFlags(flags)
mysqlctl.RegisterFlags()
flag.Parse()
if len(flag.Args()) > 0 {
flag.Usage()
log.Errorf("vtcombo doesn't take any positional arguments")
exit.Return(1)
}
// parse the input topology
tpb := &vttestpb.VTTestTopology{}
if err := proto.UnmarshalText(*protoTopo, tpb); err != nil {
log.Errorf("cannot parse topology: %v", err)
exit.Return(1)
}
// default cell to "test" if unspecified
if len(tpb.Cells) == 0 {
tpb.Cells = append(tpb.Cells, "test")
}
// set discoverygateway flag to default value
flag.Set("cells_to_watch", strings.Join(tpb.Cells, ","))
// vtctld UI requires the cell flag
flag.Set("cell", tpb.Cells[0])
flag.Set("enable_realtime_stats", "true")
flag.Set("log_dir", "$VTDATAROOT/tmp")
// create zk client config file
config := path.Join(os.Getenv("VTDATAROOT"), "vt_0000000001/tmp/test-zk-client-conf.json")
cellmap := make(map[string]string)
for _, cell := range tpb.Cells {
cellmap[cell] = "localhost"
}
b, err := json.Marshal(cellmap)
if err != nil {
log.Errorf("failed to marshal json: %v", err)
}
f, err := os.Create(config)
if err != nil {
log.Errorf("failed to create zk config file: %v", err)
}
defer f.Close()
_, err = f.WriteString(string(b[:]))
if err != nil {
log.Errorf("failed to write to zk config file: %v", err)
}
os.Setenv("ZK_CLIENT_CONFIG", config)
// register topo server
zkconn := fakezk.NewConn()
topo.RegisterServer("fakezk", zktopo.NewServer(zkconn))
ts = topo.GetServerByName("fakezk")
servenv.Init()
tabletserver.Init()
// database configs
mycnf, err := mysqlctl.NewMycnfFromFlags(0)
if err != nil {
log.Errorf("mycnf read failed: %v", err)
exit.Return(1)
}
dbcfgs, err := dbconfigs.Init(mycnf.SocketFile, flags)
if err != nil {
log.Warning(err)
}
mysqld := mysqlctl.NewMysqld(mycnf, &dbcfgs.Dba, &dbcfgs.AllPrivs, &dbcfgs.App, &dbcfgs.Repl, true /* enablePublishStats */)
servenv.OnClose(mysqld.Close)
// tablets configuration and init
if err := initTabletMap(ts, tpb, mysqld, dbcfgs, *schemaDir, mycnf); err != nil {
log.Errorf("initTabletMapProto failed: %v", err)
exit.Return(1)
}
// vtgate configuration and init
resilientSrvTopoServer := vtgate.NewResilientSrvTopoServer(ts, "ResilientSrvTopoServer")
healthCheck := discovery.NewHealthCheck(30*time.Second /*connTimeoutTotal*/, 1*time.Millisecond /*retryDelay*/, 1*time.Hour /*healthCheckTimeout*/)
tabletTypesToWait := []topodatapb.TabletType{
topodatapb.TabletType_MASTER,
topodatapb.TabletType_REPLICA,
topodatapb.TabletType_RDONLY,
}
vtgate.Init(context.Background(), healthCheck, ts, resilientSrvTopoServer, tpb.Cells[0], 2 /*retryCount*/, tabletTypesToWait)
// vtctld configuration and init
vtctld.InitVtctld(ts)
vtctld.HandleExplorer("zk", zktopo.NewZkExplorer(zkconn))
servenv.OnTerm(func() {
// FIXME(alainjobart): stop vtgate
})
servenv.OnClose(func() {
// We will still use the topo server during lameduck period
// to update our state, so closing it in OnClose()
topo.CloseServers()
})
servenv.RunDefault()
}