func main() {
defer exit.Recover()
flag.Parse()
servenv.Init()
if initFakeZK != nil {
initFakeZK()
}
ts := topo.GetServer()
defer topo.CloseServers()
resilientSrvTopoServer = vtgate.NewResilientSrvTopoServer(ts, "ResilientSrvTopoServer")
healthCheck = discovery.NewHealthCheck(*connTimeoutTotal, *healthCheckRetryDelay, *healthCheckTimeout, "" /* statsSuffix */)
tabletTypes := make([]topodatapb.TabletType, 0, 1)
if len(*tabletTypesToWait) != 0 {
for _, ttStr := range strings.Split(*tabletTypesToWait, ",") {
tt, err := topoproto.ParseTabletType(ttStr)
if err != nil {
log.Errorf("unknown tablet type: %v", ttStr)
continue
}
tabletTypes = append(tabletTypes, tt)
}
}
vtg := vtgate.Init(context.Background(), healthCheck, ts, resilientSrvTopoServer, *cell, *retryDelay, *retryCount, *connTimeoutTotal, *connTimeoutPerConn, *connLife, tabletTypes, *maxInFlight, *testGateway)
servenv.OnRun(func() {
addStatusParts(vtg)
})
servenv.RunDefault()
}
func main() {
flag.Parse()
args := flag.Args()
installSignalHandlers()
servenv.Init()
defer servenv.Close()
ts := topo.GetServer()
defer topo.CloseServers()
// the logger will be replaced when we start a job
wr = wrangler.New(logutil.NewConsoleLogger(), ts, 30*time.Second, 30*time.Second)
if len(args) == 0 {
// interactive mode, initialize the web UI to chose a command
initInteractiveMode()
} else {
// single command mode, just runs it
runCommand(args)
}
initStatusHandling()
servenv.RunDefault()
}
func main() {
defer exit.Recover()
flag.Parse()
servenv.Init()
ts := topo.GetServer()
defer topo.CloseServers()
resilientSrvTopoServer = vtgate.NewResilientSrvTopoServer(ts, "ResilientSrvTopoServer")
healthCheck = discovery.NewHealthCheck(*healthCheckConnTimeout, *healthCheckRetryDelay, *healthCheckTimeout)
healthCheck.RegisterStats()
tabletTypes := make([]topodatapb.TabletType, 0, 1)
if len(*tabletTypesToWait) != 0 {
for _, ttStr := range strings.Split(*tabletTypesToWait, ",") {
tt, err := topoproto.ParseTabletType(ttStr)
if err != nil {
log.Errorf("unknown tablet type: %v", ttStr)
continue
}
tabletTypes = append(tabletTypes, tt)
}
}
l2vtg := l2vtgate.Init(healthCheck, ts, resilientSrvTopoServer, *cell, *retryCount, tabletTypes)
servenv.OnRun(func() {
addStatusParts(l2vtg)
})
servenv.RunDefault()
}
func main() {
dbConfigsFile, dbCredentialsFile := dbconfigs.RegisterCommonFlags()
flag.Parse()
relog.Info("started vtaction %v", os.Args)
rpc.HandleHTTP()
jsonrpc.ServeHTTP()
jsonrpc.ServeRPC()
bsonrpc.ServeHTTP()
bsonrpc.ServeRPC()
logFile, err := os.OpenFile(*logFilename,
os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0666)
if err != nil {
relog.Fatal("Can't open log file: %v", err)
}
relog.SetOutput(logFile)
relog.SetPrefix(fmt.Sprintf("vtaction [%v] ", os.Getpid()))
if err := relog.SetLevelByName(*logLevel); err != nil {
relog.Fatal("%v", err)
}
relog.HijackLog(nil)
relog.HijackStdio(logFile, logFile)
mycnf, mycnfErr := mysqlctl.ReadMycnf(*mycnfFile)
if mycnfErr != nil {
relog.Fatal("mycnf read failed: %v", mycnfErr)
}
relog.Debug("mycnf: %v", jscfg.ToJson(mycnf))
dbcfgs, cfErr := dbconfigs.Init(mycnf.SocketFile, *dbConfigsFile, *dbCredentialsFile)
if err != nil {
relog.Fatal("%s", cfErr)
}
mysqld := mysqlctl.NewMysqld(mycnf, dbcfgs.Dba, dbcfgs.Repl)
topoServer := topo.GetServer()
defer topo.CloseServers()
actor := tabletmanager.NewTabletActor(mysqld, topoServer)
// we delegate out startup to the micromanagement server so these actions
// will occur after we have obtained our socket.
bindAddr := fmt.Sprintf(":%v", *port)
httpServer := &http.Server{Addr: bindAddr}
go func() {
if err := httpServer.ListenAndServe(); err != nil {
relog.Error("httpServer.ListenAndServe err: %v", err)
}
}()
actionErr := actor.HandleAction(*actionNode, *action, *actionGuid, *force)
if actionErr != nil {
relog.Fatal("action error: %v", actionErr)
}
relog.Info("finished vtaction %v", os.Args)
}
func main() {
defer exit.Recover()
flag.Parse()
servenv.Init()
if initFakeZK != nil {
initFakeZK()
}
ts := topo.GetServer()
defer topo.CloseServers()
var schema *planbuilder.Schema
if *schemaFile != "" {
var err error
if schema, err = planbuilder.LoadFile(*schemaFile); err != nil {
log.Error(err)
exit.Return(1)
}
log.Infof("v3 is enabled: loaded schema from file: %v", *schemaFile)
} else {
ctx := context.Background()
schemaJSON, err := ts.GetVSchema(ctx)
if err != nil {
log.Warningf("Skipping v3 initialization: GetVSchema failed: %v", err)
goto startServer
}
schema, err = planbuilder.NewSchema([]byte(schemaJSON))
if err != nil {
log.Warningf("Skipping v3 initialization: GetVSchema failed: %v", err)
goto startServer
}
log.Infof("v3 is enabled: loaded schema from topo")
}
startServer:
resilientSrvTopoServer = vtgate.NewResilientSrvTopoServer(ts, "ResilientSrvTopoServer")
healthCheck = discovery.NewHealthCheck(*connTimeoutTotal, *healthCheckRetryDelay, *healthCheckTimeout, "" /* statsSuffix */)
tabletTypes := make([]topodatapb.TabletType, 0, 1)
if len(*tabletTypesToWait) != 0 {
for _, ttStr := range strings.Split(*tabletTypesToWait, ",") {
tt, err := topoproto.ParseTabletType(ttStr)
if err != nil {
log.Errorf("unknown tablet type: %v", ttStr)
continue
}
tabletTypes = append(tabletTypes, tt)
}
}
vtg := vtgate.Init(healthCheck, ts, resilientSrvTopoServer, schema, *cell, *retryDelay, *retryCount, *connTimeoutTotal, *connTimeoutPerConn, *connLife, tabletTypes, *maxInFlight, *testGateway)
servenv.OnRun(func() {
addStatusParts(vtg)
})
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)
}
// register topo server
topo.RegisterServer("fakezk", zktopo.NewServer(fakezk.NewConn()))
ts := topo.GetServerByName("fakezk")
servenv.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)
// tablets configuration and init
binlog.RegisterUpdateStreamService(mycnf)
initTabletMap(ts, *topology, mysqld, dbcfgs, mycnf)
// vtgate configuration and init
resilientSrvTopoServer := vtgate.NewResilientSrvTopoServer(ts, "ResilientSrvTopoServer")
healthCheck := discovery.NewHealthCheck(30*time.Second /*connTimeoutTotal*/, 1*time.Millisecond /*retryDelay*/)
vtgate.Init(healthCheck, ts, resilientSrvTopoServer, nil /*schema*/, cell, 1*time.Millisecond /*retryDelay*/, 2 /*retryCount*/, 30*time.Second /*connTimeoutTotal*/, 10*time.Second /*connTimeoutPerConn*/, 365*24*time.Hour /*connLife*/, 0 /*maxInFlight*/, "" /*testGateway*/)
servenv.OnTerm(func() {
// FIXME(alainjobart) stop vtgate, all tablets
// qsc.DisallowQueries()
// agent.Stop()
})
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() {
flag.Parse()
servenv.Init()
ts := topo.GetServer()
defer topo.CloseServers()
topoReader = NewTopoReader(ts)
topo.RegisterTopoReader(topoReader)
servenv.Run(*port)
}
func main() {
defer exit.RecoverAll()
defer logutil.Flush()
flag.Parse()
args := flag.Args()
if len(args) == 0 {
flag.Usage()
exit.Return(1)
}
action := args[0]
installSignalHandlers()
startMsg := fmt.Sprintf("USER=%v SUDO_USER=%v %v", os.Getenv("USER"), os.Getenv("SUDO_USER"), strings.Join(os.Args, " "))
if syslogger, err := syslog.New(syslog.LOG_INFO, "vtctl "); err == nil {
syslogger.Info(startMsg)
} else {
log.Warningf("cannot connect to syslog: %v", err)
}
topoServer := topo.GetServer()
defer topo.CloseServers()
wr := wrangler.New(logutil.NewConsoleLogger(), topoServer, *waitTime, *lockWaitTimeout)
actionPath, err := vtctl.RunCommand(wr, args)
switch err {
case vtctl.ErrUnknownCommand:
flag.Usage()
exit.Return(1)
case nil:
// keep going
default:
log.Errorf("action failed: %v %v", action, err)
exit.Return(255)
}
if actionPath != "" {
if *noWaitForAction {
fmt.Println(actionPath)
} else {
err := wr.WaitForCompletion(actionPath)
if err != nil {
log.Error(err.Error())
exit.Return(255)
} else {
log.Infof("action completed: %v", actionPath)
}
}
}
}
func main() {
dbconfigs.RegisterFlags()
mysqlctl.RegisterFlags()
flag.Parse()
if len(flag.Args()) > 0 {
flag.Usage()
log.Fatalf("vttablet doesn't take any positional arguments")
}
servenv.Init()
if *tabletPath == "" {
log.Fatalf("tabletPath required")
}
tabletAlias := tabletParamToTabletAlias(*tabletPath)
mycnf, err := mysqlctl.NewMycnfFromFlags(tabletAlias.Uid)
if err != nil {
log.Fatalf("mycnf read failed: %v", err)
}
dbcfgs, err := dbconfigs.Init(mycnf.SocketFile)
if err != nil {
log.Warning(err)
}
dbcfgs.App.EnableRowcache = *enableRowcache
if *tableAclConfig != "" {
tableacl.Init(*tableAclConfig)
}
tabletserver.InitQueryService()
binlog.RegisterUpdateStreamService(mycnf)
// Depends on both query and updateStream.
agent, err = tabletmanager.NewActionAgent(tabletAlias, dbcfgs, mycnf, *servenv.Port, *servenv.SecurePort, *overridesFile)
if err != nil {
log.Fatal(err)
}
tabletmanager.HttpHandleSnapshots(mycnf, tabletAlias.Uid)
servenv.OnTerm(func() {
tabletserver.DisallowQueries()
binlog.DisableUpdateStreamService()
agent.Stop()
})
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.Parse()
servenv.Init()
ts := topo.GetServer()
defer topo.CloseServers()
var schema *planbuilder.Schema
if *schemaFile != "" {
var err error
if schema, err = planbuilder.LoadFile(*schemaFile); err != nil {
log.Error(err)
exit.Return(1)
}
log.Infof("v3 is enabled: loaded schema from file: %v", *schemaFile)
} else {
schemafier, ok := ts.(topo.Schemafier)
if !ok {
log.Infof("Skipping v3 initialization: topo does not suppurt schemafier interface")
goto startServer
}
ctx := context.Background()
schemaJSON, err := schemafier.GetVSchema(ctx)
if err != nil {
log.Warningf("Skipping v3 initialization: GetVSchema failed: %v", err)
goto startServer
}
schema, err = planbuilder.NewSchema([]byte(schemaJSON))
if err != nil {
log.Warningf("Skipping v3 initialization: GetVSchema failed: %v", err)
goto startServer
}
log.Infof("v3 is enabled: loaded schema from topo")
}
startServer:
resilientSrvTopoServer = vtgate.NewResilientSrvTopoServer(ts, "ResilientSrvTopoServer")
// For the initial phase vtgate is exposing
// topoReader api. This will be subsumed by
// vtgate once vtgate's client functions become active.
topoReader = NewTopoReader(resilientSrvTopoServer)
servenv.Register("toporeader", topoReader)
vtgate.Init(resilientSrvTopoServer, schema, *cell, *retryDelay, *retryCount, *connTimeoutTotal, *connTimeoutPerConn, *connLife, *maxInFlight)
servenv.RunDefault()
}
func main() {
dbconfigs.RegisterFlags()
mysqlctl.RegisterFlags()
flag.Parse()
servenv.Init()
defer servenv.Close()
log.Infof("started vtaction %v", os.Args)
servenv.ServeRPC()
mycnf, mycnfErr := mysqlctl.NewMycnfFromFlags(0)
if mycnfErr != nil {
log.Fatalf("mycnf read failed: %v", mycnfErr)
}
log.V(6).Infof("mycnf: %v", jscfg.ToJson(mycnf))
dbcfgs, cfErr := dbconfigs.Init(mycnf.SocketFile)
if cfErr != nil {
log.Fatalf("%s", cfErr)
}
mysqld := mysqlctl.NewMysqld("Dba", mycnf, &dbcfgs.Dba, &dbcfgs.Repl)
defer mysqld.Close()
topoServer := topo.GetServer()
defer topo.CloseServers()
actor := actor.NewTabletActor(mysqld, mysqld, topoServer, topo.TabletAlias{})
// we delegate out startup to the micromanagement server so these actions
// will occur after we have obtained our socket.
bindAddr := fmt.Sprintf(":%v", *servenv.Port)
httpServer := &http.Server{Addr: bindAddr}
go func() {
if err := httpServer.ListenAndServe(); err != nil {
log.Errorf("httpServer.ListenAndServe err: %v", err)
}
}()
actionErr := actor.HandleAction(*actionNode, *action, *actionGuid, *force)
if actionErr != nil {
log.Fatalf("action error: %v", actionErr)
}
log.Infof("finished vtaction %v", os.Args)
}
func main() {
flag.Parse()
servenv.Init()
defer servenv.Close()
ts = topo.GetServer()
defer topo.CloseServers()
// Init the vtctld core
vtctld.InitVtctld(ts)
// Start schema manager service.
initSchema()
// And run the server.
servenv.RunDefault()
}
func main() {
dbconfigs.RegisterFlags()
flag.Parse()
servenv.Init()
if *tabletPath == "" {
log.Fatalf("tabletPath required")
}
tabletAlias := vttablet.TabletParamToTabletAlias(*tabletPath)
if *mycnfFile == "" {
*mycnfFile = mysqlctl.MycnfFile(tabletAlias.Uid)
}
mycnf, err := mysqlctl.ReadMycnf(*mycnfFile)
if err != nil {
log.Fatalf("mycnf read failed: %v", err)
}
dbcfgs, err := dbconfigs.Init(mycnf.SocketFile)
if err != nil {
log.Warning(err)
}
dbcfgs.App.EnableRowcache = *enableRowcache
ts.InitQueryService()
binlog.RegisterUpdateStreamService(mycnf)
// Depends on both query and updateStream.
agent, err = vttablet.InitAgent(tabletAlias, dbcfgs, mycnf, *servenv.Port, *servenv.SecurePort, *overridesFile)
if err != nil {
log.Fatal(err)
}
vttablet.HttpHandleSnapshots(mycnf, tabletAlias.Uid)
servenv.OnClose(func() {
time.Sleep(5 * time.Millisecond)
ts.DisallowQueries()
binlog.DisableUpdateStreamService()
topo.CloseServers()
agent.Stop()
})
servenv.Run()
}
func main() {
flag.Parse()
servenv.Init()
ts := topo.GetServer()
defer topo.CloseServers()
resilientSrvTopoServer = vtgate.NewResilientSrvTopoServer(ts, "ResilientSrvTopoServer")
// For the initial phase vtgate is exposing
// topoReader api. This will be subsumed by
// vtgate once vtgate's client functions become active.
topoReader = NewTopoReader(resilientSrvTopoServer)
servenv.Register("toporeader", topoReader)
vtgate.Init(resilientSrvTopoServer, *cell, *retryDelay, *retryCount, *timeout, *maxInFlight)
servenv.RunDefault()
}
func main() {
defer exit.RecoverAll()
defer logutil.Flush()
flag.Parse()
args := flag.Args()
if len(args) == 0 {
flag.Usage()
exit.Return(1)
}
action := args[0]
startMsg := fmt.Sprintf("USER=%v SUDO_USER=%v %v", os.Getenv("USER"), os.Getenv("SUDO_USER"), strings.Join(os.Args, " "))
if syslogger, err := syslog.New(syslog.LOG_INFO, "vtctl "); err == nil {
syslogger.Info(startMsg)
} else {
log.Warningf("cannot connect to syslog: %v", err)
}
topoServer := topo.GetServer()
defer topo.CloseServers()
ctx, cancel := context.WithTimeout(context.Background(), *waitTime)
wr := wrangler.New(logutil.NewConsoleLogger(), topoServer, tmclient.NewTabletManagerClient(), *lockWaitTimeout)
installSignalHandlers(cancel)
for _, f := range initFuncs {
f()
}
err := vtctl.RunCommand(ctx, wr, args)
cancel()
switch err {
case vtctl.ErrUnknownCommand:
flag.Usage()
exit.Return(1)
case nil:
// keep going
default:
log.Errorf("action failed: %v %v", action, err)
exit.Return(255)
}
}
func main() {
defer exit.Recover()
flag.Parse()
servenv.Init()
if initFakeZK != nil {
initFakeZK()
}
ts := topo.GetServer()
defer topo.CloseServers()
var schema *planbuilder.Schema
if *schemaFile != "" {
var err error
if schema, err = planbuilder.LoadFile(*schemaFile); err != nil {
log.Error(err)
exit.Return(1)
}
log.Infof("v3 is enabled: loaded schema from file: %v", *schemaFile)
} else {
ctx := context.Background()
schemaJSON, err := ts.GetVSchema(ctx)
if err != nil {
log.Warningf("Skipping v3 initialization: GetVSchema failed: %v", err)
goto startServer
}
schema, err = planbuilder.NewSchema([]byte(schemaJSON))
if err != nil {
log.Warningf("Skipping v3 initialization: GetVSchema failed: %v", err)
goto startServer
}
log.Infof("v3 is enabled: loaded schema from topo")
}
startServer:
resilientSrvTopoServer = vtgate.NewResilientSrvTopoServer(ts, "ResilientSrvTopoServer")
healthCheck = discovery.NewHealthCheck(*connTimeoutTotal, *healthCheckRetryDelay)
vtgate.Init(healthCheck, ts, resilientSrvTopoServer, schema, *cell, *retryDelay, *retryCount, *connTimeoutTotal, *connTimeoutPerConn, *connLife, *maxInFlight, *testGateway)
servenv.RunDefault()
}
func main() {
flag.Parse()
servenv.Init()
// For the initial phase vtgate is exposing
// topoReader api. This will be subsumed by
// vtgate once vtgate's client functions become active.
ts := topo.GetServer()
defer topo.CloseServers()
rts := vtgate.NewResilientSrvTopoServer(ts)
topoReader = NewTopoReader(rts)
topo.RegisterTopoReader(topoReader)
vtgate.Init(rts, *cell, *retryDelay, *retryCount)
log.Infof("vtgate listening to port %v", *port)
servenv.Run(*port)
}
func main() {
dbConfigsFile, dbCredentialsFile := dbconfigs.RegisterCommonFlags()
flag.Parse()
servenv.Init()
tabletAlias := vttablet.TabletParamToTabletAlias(*tabletPath)
if *mycnfFile == "" {
*mycnfFile = mysqlctl.MycnfFile(tabletAlias.Uid)
}
mycnf, err := mysqlctl.ReadMycnf(*mycnfFile)
if err != nil {
log.Fatalf("mycnf read failed: %v", err)
}
dbcfgs, err := dbconfigs.Init(mycnf.SocketFile, *dbConfigsFile, *dbCredentialsFile)
if err != nil {
log.Warning(err)
}
ts.InitQueryService()
mysqlctl.RegisterUpdateStreamService(mycnf)
// Depends on both query and updateStream.
ts.RegisterCacheInvalidator()
// Depends on both query and updateStream.
if err := vttablet.InitAgent(tabletAlias, dbcfgs, mycnf, *dbConfigsFile, *dbCredentialsFile, *port, *securePort, *mycnfFile, *overridesFile); err != nil {
log.Fatal(err)
}
vttablet.HttpHandleSnapshots(mycnf, tabletAlias.Uid)
servenv.OnClose(func() {
time.Sleep(5 * time.Millisecond)
ts.DisallowQueries()
mysqlctl.DisableUpdateStreamService()
topo.CloseServers()
vttablet.CloseAgent()
})
servenv.RunSecure(*port, *securePort, *cert, *key, *caCert)
}
func main() {
defer exit.Recover()
flag.Parse()
args := flag.Args()
servenv.Init()
defer servenv.Close()
ts := topo.GetServer()
defer topo.CloseServers()
wi = worker.NewInstance(ts, *cell, *commandDisplayInterval)
wi.InstallSignalHandlers()
wi.InitStatusHandling()
if len(args) == 0 {
// In interactive mode, initialize the web UI to choose a command.
wi.InitInteractiveMode()
} else {
// In single command mode, just run it.
worker, done, err := wi.RunCommand(context.Background(), args, nil /*custom wrangler*/, true /*runFromCli*/)
if err != nil {
log.Error(err)
exit.Return(1)
}
// Run the subsequent, blocking wait asynchronously.
go func() {
if err := wi.WaitForCommand(worker, done); err != nil {
log.Error(err)
logutil.Flush()
// We cannot use exit.Return() here because we are in a different go routine now.
os.Exit(1)
}
logutil.Flush()
os.Exit(0)
}()
}
servenv.RunDefault()
}
func main() {
flag.Parse()
servenv.Init()
// For the initial phase vtgate is exposing
// topoReader api. This will be subsumed by
// vtgate once vtgate's client functions become active.
ts := topo.GetServer()
defer topo.CloseServers()
rts := vtgate.NewResilientSrvTopoServer(ts)
stats.Publish("EndpointCount", stats.CountersFunc(rts.HealthyEndpointCount))
stats.Publish("DegradedEndpointCount", stats.CountersFunc(rts.DegradedEndpointCount))
topoReader = NewTopoReader(rts)
topo.RegisterTopoReader(topoReader)
vtgate.Init(rts, *cell, *retryDelay, *retryCount, *timeout)
servenv.Run()
}
func main() {
flag.Parse()
servenv.Init()
ts := topo.GetServer()
defer topo.CloseServers()
resilientSrvTopoServer = vtgate.NewResilientSrvTopoServer(ts, "ResilientSrvTopoServerCounts")
labels := []string{"Cell", "Keyspace", "Shard", "DbType"}
_ = stats.NewMapCountersFunc("EndpointCount", labels, resilientSrvTopoServer.HealthyEndpointCount)
_ = stats.NewMapCountersFunc("DegradedEndpointCount", labels, resilientSrvTopoServer.DegradedEndpointCount)
// For the initial phase vtgate is exposing
// topoReader api. This will be subsumed by
// vtgate once vtgate's client functions become active.
topoReader = NewTopoReader(resilientSrvTopoServer)
topo.RegisterTopoReader(topoReader)
vtgate.Init(resilientSrvTopoServer, *cell, *retryDelay, *retryCount, *timeout)
servenv.RunDefault()
}
func main() {
flag.Parse()
args := flag.Args()
installSignalHandlers()
servenv.Init()
defer servenv.Close()
ts := topo.GetServer()
defer topo.CloseServers()
wr := wrangler.New(ts, 30*time.Second, 30*time.Second)
if len(args) == 0 {
// interactive mode, initialize the web UI to chose a command
initInteractiveMode(wr)
} else {
runCommand(wr, args)
}
initStatusHandling()
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)
}
// 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() {
flag.Parse()
servenv.Init()
defer servenv.Close()
templateLoader = NewTemplateLoader(*templateDir, dummyTemplate, *debug)
ts = topo.GetServer()
defer topo.CloseServers()
wr := wrangler.New(logutil.NewConsoleLogger(), ts, 30*time.Second, 30*time.Second)
actionRepo = NewActionRepository(ts)
// keyspace actions
actionRepo.RegisterKeyspaceAction("ValidateKeyspace",
func(wr *wrangler.Wrangler, keyspace string, r *http.Request) (string, error) {
return "", wr.ValidateKeyspace(keyspace, false)
})
actionRepo.RegisterKeyspaceAction("ValidateSchemaKeyspace",
func(wr *wrangler.Wrangler, keyspace string, r *http.Request) (string, error) {
return "", wr.ValidateSchemaKeyspace(keyspace, nil, false)
})
actionRepo.RegisterKeyspaceAction("ValidateVersionKeyspace",
func(wr *wrangler.Wrangler, keyspace string, r *http.Request) (string, error) {
return "", wr.ValidateVersionKeyspace(keyspace)
})
actionRepo.RegisterKeyspaceAction("ValidatePermissionsKeyspace",
func(wr *wrangler.Wrangler, keyspace string, r *http.Request) (string, error) {
return "", wr.ValidatePermissionsKeyspace(keyspace)
})
// shard actions
actionRepo.RegisterShardAction("ValidateShard",
func(wr *wrangler.Wrangler, keyspace, shard string, r *http.Request) (string, error) {
return "", wr.ValidateShard(keyspace, shard, false)
})
actionRepo.RegisterShardAction("ValidateSchemaShard",
func(wr *wrangler.Wrangler, keyspace, shard string, r *http.Request) (string, error) {
return "", wr.ValidateSchemaShard(keyspace, shard, nil, false)
})
actionRepo.RegisterShardAction("ValidateVersionShard",
func(wr *wrangler.Wrangler, keyspace, shard string, r *http.Request) (string, error) {
return "", wr.ValidateVersionShard(keyspace, shard)
})
actionRepo.RegisterShardAction("ValidatePermissionsShard",
func(wr *wrangler.Wrangler, keyspace, shard string, r *http.Request) (string, error) {
return "", wr.ValidatePermissionsShard(keyspace, shard)
})
// tablet actions
actionRepo.RegisterTabletAction("RpcPing", "",
func(wr *wrangler.Wrangler, tabletAlias topo.TabletAlias, r *http.Request) (string, error) {
return "", wr.ActionInitiator().RpcPing(tabletAlias, 10*time.Second)
})
actionRepo.RegisterTabletAction("ScrapTablet", acl.ADMIN,
func(wr *wrangler.Wrangler, tabletAlias topo.TabletAlias, r *http.Request) (string, error) {
// refuse to scrap tablets that are not spare
ti, err := wr.TopoServer().GetTablet(tabletAlias)
if err != nil {
return "", err
}
if ti.Type != topo.TYPE_SPARE {
return "", fmt.Errorf("Can only scrap spare tablets")
}
actionPath, err := wr.Scrap(tabletAlias, false, false)
if err != nil {
return "", err
}
return "", wr.WaitForCompletion(actionPath)
})
actionRepo.RegisterTabletAction("ScrapTabletForce", acl.ADMIN,
func(wr *wrangler.Wrangler, tabletAlias topo.TabletAlias, r *http.Request) (string, error) {
// refuse to scrap tablets that are not spare
ti, err := wr.TopoServer().GetTablet(tabletAlias)
if err != nil {
return "", err
}
if ti.Type != topo.TYPE_SPARE {
return "", fmt.Errorf("Can only scrap spare tablets")
}
_, err = wr.Scrap(tabletAlias, true, false)
return "", err
})
actionRepo.RegisterTabletAction("DeleteTablet", acl.ADMIN,
func(wr *wrangler.Wrangler, tabletAlias topo.TabletAlias, r *http.Request) (string, error) {
return "", wr.DeleteTablet(tabletAlias)
})
// toplevel index
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
templateLoader.ServeTemplate("index.html", indexContent, w, r)
})
// keyspace actions
http.HandleFunc("/keyspace_actions", func(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
httpError(w, "cannot parse form: %s", err)
return
}
action := r.FormValue("action")
if action == "" {
http.Error(w, "no action provided", http.StatusBadRequest)
return
}
keyspace := r.FormValue("keyspace")
if keyspace == "" {
http.Error(w, "no keyspace provided", http.StatusBadRequest)
return
}
result := actionRepo.ApplyKeyspaceAction(action, keyspace, r)
templateLoader.ServeTemplate("action.html", result, w, r)
})
// shard actions
http.HandleFunc("/shard_actions", func(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
httpError(w, "cannot parse form: %s", err)
return
}
action := r.FormValue("action")
if action == "" {
http.Error(w, "no action provided", http.StatusBadRequest)
return
}
keyspace := r.FormValue("keyspace")
if keyspace == "" {
http.Error(w, "no keyspace provided", http.StatusBadRequest)
return
}
shard := r.FormValue("shard")
if shard == "" {
http.Error(w, "no shard provided", http.StatusBadRequest)
return
}
result := actionRepo.ApplyShardAction(action, keyspace, shard, r)
templateLoader.ServeTemplate("action.html", result, w, r)
})
// tablet actions
http.HandleFunc("/tablet_actions", func(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
httpError(w, "cannot parse form: %s", err)
return
}
action := r.FormValue("action")
if action == "" {
http.Error(w, "no action provided", http.StatusBadRequest)
return
}
alias := r.FormValue("alias")
if alias == "" {
http.Error(w, "no alias provided", http.StatusBadRequest)
return
}
tabletAlias, err := topo.ParseTabletAliasString(alias)
if err != nil {
http.Error(w, "bad alias provided", http.StatusBadRequest)
return
}
result := actionRepo.ApplyTabletAction(action, tabletAlias, r)
templateLoader.ServeTemplate("action.html", result, w, r)
})
// topology server
http.HandleFunc("/dbtopo", func(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
httpError(w, "cannot parse form: %s", err)
return
}
result := DbTopologyResult{}
topology, err := topotools.DbTopology(wr.TopoServer())
if err != nil {
result.Error = err.Error()
} else {
result.Topology = topology
}
templateLoader.ServeTemplate("dbtopo.html", result, w, r)
})
// serving graph
http.HandleFunc("/serving_graph/", func(w http.ResponseWriter, r *http.Request) {
parts := strings.Split(r.URL.Path, "/")
cell := parts[len(parts)-1]
if cell == "" {
cells, err := ts.GetKnownCells()
if err != nil {
httpError(w, "cannot get known cells: %v", err)
return
} else {
templateLoader.ServeTemplate("serving_graph_cells.html", cells, w, r)
}
return
}
servingGraph := topotools.DbServingGraph(wr.TopoServer(), cell)
templateLoader.ServeTemplate("serving_graph.html", servingGraph, w, r)
})
// redirects for explorers
http.HandleFunc("/explorers/redirect", func(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
httpError(w, "cannot parse form: %s", err)
return
}
var explorer Explorer
switch len(explorers) {
case 0:
http.Error(w, "no explorer configured", http.StatusInternalServerError)
return
case 1:
for _, ex := range explorers {
explorer = ex
}
default:
explorerName := r.FormValue("explorer")
var ok bool
explorer, ok = explorers[explorerName]
if !ok {
http.Error(w, "bad explorer name", http.StatusBadRequest)
return
}
}
var target string
switch r.FormValue("type") {
case "keyspace":
keyspace := r.FormValue("keyspace")
if keyspace == "" {
http.Error(w, "keyspace is obligatory for this redirect", http.StatusBadRequest)
return
}
target = explorer.GetKeyspacePath(keyspace)
case "shard":
keyspace, shard := r.FormValue("keyspace"), r.FormValue("shard")
if keyspace == "" || shard == "" {
http.Error(w, "keyspace and shard are obligatory for this redirect", http.StatusBadRequest)
return
}
target = explorer.GetShardPath(keyspace, shard)
case "srv_keyspace":
cell := r.FormValue("cell")
if cell == "" {
http.Error(w, "cell is obligatory for this redirect", http.StatusBadRequest)
return
}
keyspace := r.FormValue("keyspace")
if keyspace == "" {
http.Error(w, "keyspace is obligatory for this redirect", http.StatusBadRequest)
return
}
target = explorer.GetSrvKeyspacePath(cell, keyspace)
case "srv_shard":
cell := r.FormValue("cell")
if cell == "" {
http.Error(w, "cell is obligatory for this redirect", http.StatusBadRequest)
return
}
keyspace := r.FormValue("keyspace")
if keyspace == "" {
http.Error(w, "keyspace is obligatory for this redirect", http.StatusBadRequest)
return
}
shard := r.FormValue("shard")
if shard == "" {
http.Error(w, "shard is obligatory for this redirect", http.StatusBadRequest)
return
}
target = explorer.GetSrvShardPath(cell, keyspace, shard)
case "srv_type":
cell := r.FormValue("cell")
if cell == "" {
http.Error(w, "cell is obligatory for this redirect", http.StatusBadRequest)
return
}
keyspace := r.FormValue("keyspace")
if keyspace == "" {
http.Error(w, "keyspace is obligatory for this redirect", http.StatusBadRequest)
return
}
shard := r.FormValue("shard")
if shard == "" {
http.Error(w, "shard is obligatory for this redirect", http.StatusBadRequest)
return
}
tabletType := r.FormValue("tablet_type")
if tabletType == "" {
http.Error(w, "tablet_type is obligatory for this redirect", http.StatusBadRequest)
return
}
target = explorer.GetSrvTypePath(cell, keyspace, shard, topo.TabletType(tabletType))
case "tablet":
aliasName := r.FormValue("alias")
if aliasName == "" {
http.Error(w, "keyspace is obligatory for this redirect", http.StatusBadRequest)
return
}
alias, err := topo.ParseTabletAliasString(aliasName)
if err != nil {
http.Error(w, "bad tablet alias", http.StatusBadRequest)
return
}
target = explorer.GetTabletPath(alias)
case "replication":
cell := r.FormValue("cell")
if cell == "" {
http.Error(w, "cell is obligatory for this redirect", http.StatusBadRequest)
return
}
keyspace := r.FormValue("keyspace")
if keyspace == "" {
http.Error(w, "keyspace is obligatory for this redirect", http.StatusBadRequest)
return
}
shard := r.FormValue("shard")
if shard == "" {
http.Error(w, "shard is obligatory for this redirect", http.StatusBadRequest)
return
}
target = explorer.GetReplicationSlaves(cell, keyspace, shard)
default:
http.Error(w, "bad redirect type", http.StatusBadRequest)
return
}
http.Redirect(w, r, target, http.StatusFound)
})
servenv.RunDefault()
}
func main() {
flag.Parse()
servenv.Init()
defer servenv.Close()
templateLoader = NewTemplateLoader(*templateDir, *debug)
ts = topo.GetServer()
defer topo.CloseServers()
actionRepo = NewActionRepository(ts)
// keyspace actions
actionRepo.RegisterKeyspaceAction("ValidateKeyspace",
func(ctx context.Context, wr *wrangler.Wrangler, keyspace string, r *http.Request) (string, error) {
return "", wr.ValidateKeyspace(ctx, keyspace, false)
})
actionRepo.RegisterKeyspaceAction("ValidateSchemaKeyspace",
func(ctx context.Context, wr *wrangler.Wrangler, keyspace string, r *http.Request) (string, error) {
return "", wr.ValidateSchemaKeyspace(ctx, keyspace, nil, false)
})
actionRepo.RegisterKeyspaceAction("ValidateVersionKeyspace",
func(ctx context.Context, wr *wrangler.Wrangler, keyspace string, r *http.Request) (string, error) {
return "", wr.ValidateVersionKeyspace(ctx, keyspace)
})
actionRepo.RegisterKeyspaceAction("ValidatePermissionsKeyspace",
func(ctx context.Context, wr *wrangler.Wrangler, keyspace string, r *http.Request) (string, error) {
return "", wr.ValidatePermissionsKeyspace(ctx, keyspace)
})
// shard actions
actionRepo.RegisterShardAction("ValidateShard",
func(ctx context.Context, wr *wrangler.Wrangler, keyspace, shard string, r *http.Request) (string, error) {
return "", wr.ValidateShard(ctx, keyspace, shard, false)
})
actionRepo.RegisterShardAction("ValidateSchemaShard",
func(ctx context.Context, wr *wrangler.Wrangler, keyspace, shard string, r *http.Request) (string, error) {
return "", wr.ValidateSchemaShard(ctx, keyspace, shard, nil, false)
})
actionRepo.RegisterShardAction("ValidateVersionShard",
func(ctx context.Context, wr *wrangler.Wrangler, keyspace, shard string, r *http.Request) (string, error) {
return "", wr.ValidateVersionShard(ctx, keyspace, shard)
})
actionRepo.RegisterShardAction("ValidatePermissionsShard",
func(ctx context.Context, wr *wrangler.Wrangler, keyspace, shard string, r *http.Request) (string, error) {
return "", wr.ValidatePermissionsShard(ctx, keyspace, shard)
})
// tablet actions
actionRepo.RegisterTabletAction("Ping", "",
func(ctx context.Context, wr *wrangler.Wrangler, tabletAlias *pb.TabletAlias, r *http.Request) (string, error) {
ti, err := wr.TopoServer().GetTablet(ctx, tabletAlias)
if err != nil {
return "", err
}
return "", wr.TabletManagerClient().Ping(ctx, ti)
})
actionRepo.RegisterTabletAction("RefreshState", acl.ADMIN,
func(ctx context.Context, wr *wrangler.Wrangler, tabletAlias *pb.TabletAlias, r *http.Request) (string, error) {
ti, err := wr.TopoServer().GetTablet(ctx, tabletAlias)
if err != nil {
return "", err
}
return "", wr.TabletManagerClient().RefreshState(ctx, ti)
})
actionRepo.RegisterTabletAction("DeleteTablet", acl.ADMIN,
func(ctx context.Context, wr *wrangler.Wrangler, tabletAlias *pb.TabletAlias, r *http.Request) (string, error) {
return "", wr.DeleteTablet(ctx, tabletAlias, false, false)
})
actionRepo.RegisterTabletAction("ReloadSchema", acl.ADMIN,
func(ctx context.Context, wr *wrangler.Wrangler, tabletAlias *pb.TabletAlias, r *http.Request) (string, error) {
return "", wr.ReloadSchema(ctx, tabletAlias)
})
// keyspace actions
http.HandleFunc("/keyspace_actions", func(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
httpErrorf(w, r, "cannot parse form: %s", err)
return
}
action := r.FormValue("action")
if action == "" {
http.Error(w, "no action provided", http.StatusBadRequest)
return
}
keyspace := r.FormValue("keyspace")
if keyspace == "" {
http.Error(w, "no keyspace provided", http.StatusBadRequest)
return
}
ctx := context.Background()
result := actionRepo.ApplyKeyspaceAction(ctx, action, keyspace, r)
templateLoader.ServeTemplate("action.html", result, w, r)
})
// shard actions
http.HandleFunc("/shard_actions", func(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
httpErrorf(w, r, "cannot parse form: %s", err)
return
}
action := r.FormValue("action")
if action == "" {
http.Error(w, "no action provided", http.StatusBadRequest)
return
}
keyspace := r.FormValue("keyspace")
if keyspace == "" {
http.Error(w, "no keyspace provided", http.StatusBadRequest)
return
}
shard := r.FormValue("shard")
if shard == "" {
http.Error(w, "no shard provided", http.StatusBadRequest)
return
}
ctx := context.Background()
result := actionRepo.ApplyShardAction(ctx, action, keyspace, shard, r)
templateLoader.ServeTemplate("action.html", result, w, r)
})
// tablet actions
http.HandleFunc("/tablet_actions", func(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
httpErrorf(w, r, "cannot parse form: %s", err)
return
}
action := r.FormValue("action")
if action == "" {
http.Error(w, "no action provided", http.StatusBadRequest)
return
}
alias := r.FormValue("alias")
if alias == "" {
http.Error(w, "no alias provided", http.StatusBadRequest)
return
}
tabletAlias, err := topoproto.ParseTabletAlias(alias)
if err != nil {
http.Error(w, "bad alias provided", http.StatusBadRequest)
return
}
ctx := context.Background()
result := actionRepo.ApplyTabletAction(ctx, action, tabletAlias, r)
templateLoader.ServeTemplate("action.html", result, w, r)
})
// topology server
http.HandleFunc("/dbtopo", func(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
httpErrorf(w, r, "cannot parse form: %s", err)
return
}
result := DbTopologyResult{}
ctx := context.TODO()
topology, err := topotools.DbTopology(ctx, ts)
if err == nil && modifyDbTopology != nil {
err = modifyDbTopology(ctx, ts, topology)
}
if err != nil {
result.Error = err.Error()
} else {
result.Topology = topology
}
templateLoader.ServeTemplate("dbtopo.html", result, w, r)
})
// serving graph
http.HandleFunc("/serving_graph/", func(w http.ResponseWriter, r *http.Request) {
ctx := context.Background()
parts := strings.Split(r.URL.Path, "/")
cell := parts[len(parts)-1]
if cell == "" {
cells, err := ts.GetKnownCells(ctx)
if err != nil {
httpErrorf(w, r, "cannot get known cells: %v", err)
return
}
templateLoader.ServeTemplate("serving_graph_cells.html", cells, w, r)
return
}
servingGraph := topotools.DbServingGraph(ctx, ts, cell)
if modifyDbServingGraph != nil {
modifyDbServingGraph(ctx, ts, servingGraph)
}
templateLoader.ServeTemplate("serving_graph.html", servingGraph, w, r)
})
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "/app/", http.StatusFound)
})
http.HandleFunc("/content/", func(w http.ResponseWriter, r *http.Request) {
http.ServeFile(w, r, *templateDir+r.URL.Path[8:])
})
// Serve the static files for the vtctld web app.
http.HandleFunc("/app/", func(w http.ResponseWriter, r *http.Request) {
// Strip the prefix.
parts := strings.SplitN(r.URL.Path, "/", 3)
if len(parts) != 3 {
http.NotFound(w, r)
return
}
rest := parts[2]
if rest == "" {
rest = "index.html"
}
http.ServeFile(w, r, path.Join(*webDir, rest))
})
// Serve the REST API for the vtctld web app.
initAPI(context.Background(), ts, actionRepo)
// vschema viewer
http.HandleFunc("/vschema", func(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
httpErrorf(w, r, "cannot parse form: %s", err)
return
}
var data struct {
Error error
Input, Output string
}
ctx := context.Background()
switch r.Method {
case "POST":
data.Input = r.FormValue("vschema")
data.Error = ts.SaveVSchema(ctx, data.Input)
}
vschema, err := ts.GetVSchema(ctx)
if err != nil {
if data.Error == nil {
data.Error = fmt.Errorf("Error fetching schema: %s", err)
}
}
data.Output = vschema
templateLoader.ServeTemplate("vschema.html", data, w, r)
})
// redirects for explorers
http.HandleFunc("/explorers/redirect", func(w http.ResponseWriter, r *http.Request) {
if explorer == nil {
http.Error(w, "no explorer configured", http.StatusInternalServerError)
return
}
if err := r.ParseForm(); err != nil {
httpErrorf(w, r, "cannot parse form: %s", err)
return
}
target, err := handleExplorerRedirect(r)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
http.Redirect(w, r, target, http.StatusFound)
})
// serve some data
knownCellsCache := newKnownCellsCache(ts)
http.HandleFunc("/json/KnownCells", func(w http.ResponseWriter, r *http.Request) {
ctx := context.Background()
result, err := knownCellsCache.Get(ctx)
if err != nil {
httpErrorf(w, r, "error getting known cells: %v", err)
return
}
w.Write(result)
})
keyspacesCache := newKeyspacesCache(ts)
http.HandleFunc("/json/Keyspaces", func(w http.ResponseWriter, r *http.Request) {
ctx := context.Background()
result, err := keyspacesCache.Get(ctx)
if err != nil {
httpErrorf(w, r, "error getting keyspaces: %v", err)
return
}
w.Write(result)
})
keyspaceCache := newKeyspaceCache(ts)
http.HandleFunc("/json/Keyspace", func(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
httpErrorf(w, r, "cannot parse form: %s", err)
return
}
keyspace := r.FormValue("keyspace")
if keyspace == "" {
http.Error(w, "no keyspace provided", http.StatusBadRequest)
return
}
ctx := context.Background()
result, err := keyspaceCache.Get(ctx, keyspace)
if err != nil {
httpErrorf(w, r, "error getting keyspace: %v", err)
return
}
w.Write(result)
})
shardNamesCache := newShardNamesCache(ts)
http.HandleFunc("/json/ShardNames", func(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
httpErrorf(w, r, "cannot parse form: %s", err)
return
}
keyspace := r.FormValue("keyspace")
if keyspace == "" {
http.Error(w, "no keyspace provided", http.StatusBadRequest)
return
}
ctx := context.Background()
result, err := shardNamesCache.Get(ctx, keyspace)
if err != nil {
httpErrorf(w, r, "error getting shardNames: %v", err)
return
}
w.Write(result)
})
shardCache := newShardCache(ts)
http.HandleFunc("/json/Shard", func(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
httpErrorf(w, r, "cannot parse form: %s", err)
return
}
keyspace := r.FormValue("keyspace")
if keyspace == "" {
http.Error(w, "no keyspace provided", http.StatusBadRequest)
return
}
shard := r.FormValue("shard")
if shard == "" {
http.Error(w, "no shard provided", http.StatusBadRequest)
return
}
ctx := context.Background()
result, err := shardCache.Get(ctx, keyspace+"/"+shard)
if err != nil {
httpErrorf(w, r, "error getting shard: %v", err)
return
}
w.Write(result)
})
cellShardTabletsCache := newCellShardTabletsCache(ts)
http.HandleFunc("/json/CellShardTablets", func(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
httpErrorf(w, r, "cannot parse form: %s", err)
return
}
cell := r.FormValue("cell")
if cell == "" {
http.Error(w, "no cell provided", http.StatusBadRequest)
return
}
keyspace := r.FormValue("keyspace")
if keyspace == "" {
http.Error(w, "no keyspace provided", http.StatusBadRequest)
return
}
shard := r.FormValue("shard")
if shard == "" {
http.Error(w, "no shard provided", http.StatusBadRequest)
return
}
ctx := context.Background()
result, err := cellShardTabletsCache.Get(ctx, cell+"/"+keyspace+"/"+shard)
if err != nil {
httpErrorf(w, r, "error getting shard: %v", err)
return
}
w.Write(result)
})
// flush all data and will force a full client reload
http.HandleFunc("/json/flush", func(w http.ResponseWriter, r *http.Request) {
knownCellsCache.Flush()
keyspacesCache.Flush()
keyspaceCache.Flush()
shardNamesCache.Flush()
shardCache.Flush()
cellShardTabletsCache.Flush()
})
http.HandleFunc("/json/schema-manager", func(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
httpErrorf(w, r, "cannot parse form: %s", err)
return
}
sqlStr := r.FormValue("data")
keyspace := r.FormValue("keyspace")
executor := schemamanager.NewTabletExecutor(
tmclient.NewTabletManagerClient(),
ts)
ctx := context.Background()
schemamanager.Run(
ctx,
schemamanager.NewUIController(sqlStr, keyspace, w),
executor,
)
})
if *schemaChangeDir != "" {
interval := 60
if *schemaChangeCheckInterval > 0 {
interval = *schemaChangeCheckInterval
}
timer := timer.NewTimer(time.Duration(interval) * time.Second)
controllerFactory, err :=
schemamanager.GetControllerFactory(*schemaChangeController)
if err != nil {
log.Fatalf("unable to get a controller factory, error: %v", err)
}
timer.Start(func() {
controller, err := controllerFactory(map[string]string{
schemamanager.SchemaChangeDirName: *schemaChangeDir,
schemamanager.SchemaChangeUser: *schemaChangeUser,
})
if err != nil {
log.Errorf("failed to get controller, error: %v", err)
return
}
ctx := context.Background()
err = schemamanager.Run(
ctx,
controller,
schemamanager.NewTabletExecutor(
tmclient.NewTabletManagerClient(), ts),
)
if err != nil {
log.Errorf("Schema change failed, error: %v", err)
}
})
servenv.OnClose(func() { timer.Stop() })
}
servenv.RunDefault()
}
func main() {
flag.Parse()
servenv.Init()
defer servenv.Close()
templateLoader = NewTemplateLoader(*templateDir, dummyTemplate, *debug)
ts := topo.GetServer()
defer topo.CloseServers()
wr := wrangler.New(ts, 30*time.Second, 30*time.Second)
actionRepo = NewActionRepository(wr)
// keyspace actions
actionRepo.RegisterKeyspaceAction("ValidateKeyspace",
func(wr *wrangler.Wrangler, keyspace string, r *http.Request) (string, error) {
return "", wr.ValidateKeyspace(keyspace, false)
})
actionRepo.RegisterKeyspaceAction("ValidateSchemaKeyspace",
func(wr *wrangler.Wrangler, keyspace string, r *http.Request) (string, error) {
return "", wr.ValidateSchemaKeyspace(keyspace, false)
})
actionRepo.RegisterKeyspaceAction("ValidateVersionKeyspace",
func(wr *wrangler.Wrangler, keyspace string, r *http.Request) (string, error) {
return "", wr.ValidateVersionKeyspace(keyspace)
})
actionRepo.RegisterKeyspaceAction("ValidatePermissionsKeyspace",
func(wr *wrangler.Wrangler, keyspace string, r *http.Request) (string, error) {
return "", wr.ValidatePermissionsKeyspace(keyspace)
})
// shard actions
actionRepo.RegisterShardAction("ValidateShard",
func(wr *wrangler.Wrangler, keyspace, shard string, r *http.Request) (string, error) {
return "", wr.ValidateShard(keyspace, shard, false)
})
actionRepo.RegisterShardAction("ValidateSchemaShard",
func(wr *wrangler.Wrangler, keyspace, shard string, r *http.Request) (string, error) {
return "", wr.ValidateSchemaShard(keyspace, shard, false)
})
actionRepo.RegisterShardAction("ValidateVersionShard",
func(wr *wrangler.Wrangler, keyspace, shard string, r *http.Request) (string, error) {
return "", wr.ValidateVersionShard(keyspace, shard)
})
actionRepo.RegisterShardAction("ValidatePermissionsShard",
func(wr *wrangler.Wrangler, keyspace, shard string, r *http.Request) (string, error) {
return "", wr.ValidatePermissionsShard(keyspace, shard)
})
// tablet actions
actionRepo.RegisterTabletAction("RpcPing",
func(wr *wrangler.Wrangler, tabletAlias topo.TabletAlias, r *http.Request) (string, error) {
return "", wr.ActionInitiator().RpcPing(tabletAlias, 10*time.Second)
})
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
templateLoader.ServeTemplate("index.html", indexContent, w, r)
})
http.HandleFunc("/keyspace_actions", func(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
httpError(w, "cannot parse form: %s", err)
return
}
action := r.FormValue("action")
if action == "" {
http.Error(w, "no action provided", http.StatusBadRequest)
return
}
keyspace := r.FormValue("keyspace")
if keyspace == "" {
http.Error(w, "no keyspace provided", http.StatusBadRequest)
return
}
result := actionRepo.ApplyKeyspaceAction(action, keyspace, r)
templateLoader.ServeTemplate("action.html", result, w, r)
})
http.HandleFunc("/shard_actions", func(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
httpError(w, "cannot parse form: %s", err)
return
}
action := r.FormValue("action")
if action == "" {
http.Error(w, "no action provided", http.StatusBadRequest)
return
}
keyspace := r.FormValue("keyspace")
if keyspace == "" {
http.Error(w, "no keyspace provided", http.StatusBadRequest)
return
}
shard := r.FormValue("shard")
if shard == "" {
http.Error(w, "no shard provided", http.StatusBadRequest)
return
}
result := actionRepo.ApplyShardAction(action, keyspace, shard, r)
templateLoader.ServeTemplate("action.html", result, w, r)
})
http.HandleFunc("/tablet_actions", func(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
httpError(w, "cannot parse form: %s", err)
return
}
action := r.FormValue("action")
if action == "" {
http.Error(w, "no action provided", http.StatusBadRequest)
return
}
alias := r.FormValue("alias")
if alias == "" {
http.Error(w, "no alias provided", http.StatusBadRequest)
return
}
tabletAlias, err := topo.ParseTabletAliasString(alias)
if err != nil {
http.Error(w, "bad alias provided", http.StatusBadRequest)
return
}
result := actionRepo.ApplyTabletAction(action, tabletAlias, r)
templateLoader.ServeTemplate("action.html", result, w, r)
})
http.HandleFunc("/dbtopo", func(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
httpError(w, "cannot parse form: %s", err)
return
}
result := DbTopologyResult{}
topology, err := wr.DbTopology()
if err != nil {
result.Error = err.Error()
} else {
result.Topology = topology
}
templateLoader.ServeTemplate("dbtopo.html", result, w, r)
})
http.HandleFunc("/serving_graph/", func(w http.ResponseWriter, r *http.Request) {
parts := strings.Split(r.URL.Path, "/")
cell := parts[len(parts)-1]
if cell == "" {
cells, err := wr.TopoServer().GetKnownCells()
if err != nil {
httpError(w, "cannot get known cells: %v", err)
return
} else {
templateLoader.ServeTemplate("serving_graph_cells.html", cells, w, r)
}
return
}
result := ServingGraphResult{}
servingGraph, err := wr.ServingGraph(cell)
if err != nil {
result.Error = err.Error()
} else {
result.ServingGraph = servingGraph
}
templateLoader.ServeTemplate("serving_graph.html", result, w, r)
})
http.HandleFunc("/explorers/redirect", func(w http.ResponseWriter, r *http.Request) {
if err := r.ParseForm(); err != nil {
httpError(w, "cannot parse form: %s", err)
return
}
explorerName := r.FormValue("explorer")
explorer, ok := explorers[explorerName]
if !ok {
http.Error(w, "bad explorer name", http.StatusBadRequest)
return
}
var target string
switch r.FormValue("type") {
case "keyspace":
keyspace := r.FormValue("keyspace")
if keyspace == "" {
http.Error(w, "keyspace is obligatory for this redirect", http.StatusBadRequest)
return
}
target = explorer.GetKeyspacePath(keyspace)
case "shard":
keyspace, shard := r.FormValue("keyspace"), r.FormValue("shard")
if keyspace == "" || shard == "" {
http.Error(w, "keyspace and shard are obligatory for this redirect", http.StatusBadRequest)
return
}
target = explorer.GetShardPath(keyspace, shard)
case "srv_keyspace":
keyspace := r.FormValue("keyspace")
if keyspace == "" {
http.Error(w, "keyspace is obligatory for this redirect", http.StatusBadRequest)
return
}
cell := r.FormValue("cell")
if cell == "" {
http.Error(w, "cell is obligatory for this redirect", http.StatusBadRequest)
return
}
target = explorer.GetSrvKeyspacePath(cell, keyspace)
case "srv_shard":
keyspace := r.FormValue("keyspace")
if keyspace == "" {
http.Error(w, "keyspace is obligatory for this redirect", http.StatusBadRequest)
return
}
cell := r.FormValue("cell")
if cell == "" {
http.Error(w, "cell is obligatory for this redirect", http.StatusBadRequest)
return
}
shard := r.FormValue("shard")
if shard == "" {
http.Error(w, "shard is obligatory for this redirect", http.StatusBadRequest)
return
}
target = explorer.GetSrvShardPath(cell, keyspace, shard)
case "srv_type":
keyspace := r.FormValue("keyspace")
if keyspace == "" {
http.Error(w, "keyspace is obligatory for this redirect", http.StatusBadRequest)
return
}
cell := r.FormValue("cell")
if cell == "" {
http.Error(w, "cell is obligatory for this redirect", http.StatusBadRequest)
return
}
shard := r.FormValue("shard")
if shard == "" {
http.Error(w, "shard is obligatory for this redirect", http.StatusBadRequest)
return
}
tabletType := r.FormValue("tablet_type")
if tabletType == "" {
http.Error(w, "tablet_type is obligatory for this redirect", http.StatusBadRequest)
return
}
target = explorer.GetSrvTypePath(cell, keyspace, shard, topo.TabletType(tabletType))
case "tablet":
aliasName := r.FormValue("alias")
if aliasName == "" {
http.Error(w, "keyspace is obligatory for this redirect", http.StatusBadRequest)
return
}
alias, err := topo.ParseTabletAliasString(aliasName)
if err != nil {
http.Error(w, "bad tablet alias", http.StatusBadRequest)
return
}
target = explorer.GetTabletPath(alias)
case "replication":
keyspace := r.FormValue("keyspace")
if keyspace == "" {
http.Error(w, "keyspace is obligatory for this redirect", http.StatusBadRequest)
return
}
cell := r.FormValue("cell")
if cell == "" {
http.Error(w, "cell is obligatory for this redirect", http.StatusBadRequest)
return
}
shard := r.FormValue("shard")
if shard == "" {
http.Error(w, "shard is obligatory for this redirect", http.StatusBadRequest)
return
}
target = explorer.GetReplicationSlaves(cell, keyspace, shard)
default:
http.Error(w, "bad redirect type", http.StatusBadRequest)
return
}
http.Redirect(w, r, target, http.StatusFound)
})
servenv.Run(*port)
}
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()
}
// InitAgent initializes the agent within vttablet.
func InitAgent(tabletAlias topo.TabletAlias, dbcfgs dbconfigs.DBConfigs, mycnf *mysqlctl.Mycnf, dbConfigsFile, dbCredentialsFile string, port, securePort int, mycnfFile, customRules string, overridesFile string) error {
schemaOverrides := loadSchemaOverrides(overridesFile)
topoServer := topo.GetServer()
umgmt.AddCloseCallback(func() {
topo.CloseServers()
})
bindAddr := fmt.Sprintf(":%v", port)
secureAddr := ""
if securePort != 0 {
secureAddr = fmt.Sprintf(":%v", securePort)
}
exportedType := expvar.NewString("tablet-type")
// Action agent listens to changes in zookeeper and makes
// modifications to this tablet.
agent, err := tm.NewActionAgent(topoServer, tabletAlias, mycnfFile, dbConfigsFile, dbCredentialsFile)
if err != nil {
return err
}
agent.AddChangeCallback(func(oldTablet, newTablet topo.Tablet) {
if newTablet.IsServingType() {
if dbcfgs.App.Dbname == "" {
dbcfgs.App.Dbname = newTablet.DbName()
}
dbcfgs.App.KeyRange = newTablet.KeyRange
dbcfgs.App.Keyspace = newTablet.Keyspace
dbcfgs.App.Shard = newTablet.Shard
// Transitioning from replica to master, first disconnect
// existing connections. "false" indicateds that clients must
// re-resolve their endpoint before reconnecting.
if newTablet.Type == topo.TYPE_MASTER && oldTablet.Type != topo.TYPE_MASTER {
ts.DisallowQueries(false)
}
qrs := loadCustomRules(customRules)
if dbcfgs.App.KeyRange.IsPartial() {
qr := ts.NewQueryRule("enforce keyspace_id range", "keyspace_id_not_in_range", ts.QR_FAIL_QUERY)
qr.AddPlanCond(sqlparser.PLAN_INSERT_PK)
err = qr.AddBindVarCond("keyspace_id", true, true, ts.QR_NOTIN, dbcfgs.App.KeyRange)
if err != nil {
relog.Warning("Unable to add keyspace rule: %v", err)
} else {
qrs.Add(qr)
}
}
ts.AllowQueries(dbcfgs.App, schemaOverrides, qrs)
mysqlctl.EnableUpdateStreamService(string(newTablet.Type), dbcfgs)
if newTablet.Type != topo.TYPE_MASTER {
ts.StartRowCacheInvalidation()
}
} else {
ts.DisallowQueries(false)
ts.StopRowCacheInvalidation()
mysqlctl.DisableUpdateStreamService()
}
exportedType.Set(string(newTablet.Type))
})
mysqld := mysqlctl.NewMysqld(mycnf, dbcfgs.Dba, dbcfgs.Repl)
if err := agent.Start(bindAddr, secureAddr, mysqld.Addr()); err != nil {
return err
}
umgmt.AddCloseCallback(func() {
agent.Stop()
})
// register the RPC services from the agent
agent.RegisterQueryService(mysqld)
return nil
}
func main() {
defer exit.Recover()
flags := dbconfigs.AppConfig | dbconfigs.DbaConfig |
dbconfigs.FilteredConfig | dbconfigs.ReplConfig
dbconfigs.RegisterFlags(flags)
mysqlctl.RegisterFlags()
flag.Parse()
tabletserver.Init()
if len(flag.Args()) > 0 {
flag.Usage()
log.Errorf("vttablet doesn't take any positional arguments")
exit.Return(1)
}
servenv.Init()
if *tabletPath == "" {
log.Errorf("tabletPath required")
exit.Return(1)
}
tabletAlias, err := topoproto.ParseTabletAlias(*tabletPath)
if err != nil {
log.Error(err)
exit.Return(1)
}
mycnf, err := mysqlctl.NewMycnfFromFlags(tabletAlias.Uid)
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)
}
dbcfgs.App.EnableRowcache = *enableRowcache
// creates and registers the query service
qsc := tabletserver.NewServer()
qsc.Register()
binlog.RegisterUpdateStreamService(mycnf)
if *tableAclConfig != "" {
tableacl.Register("simpleacl", &simpleacl.Factory{})
tableacl.Init(
*tableAclConfig,
func() {
qsc.ClearQueryPlanCache()
},
)
} else if *enforceTableACLConfig {
log.Error("table acl config has to be specified with table-acl-config flag because enforce-tableacl-config is set.")
exit.Return(1)
}
// Create mysqld and register the health reporter (needs to be done
// before initializing the agent, so the initial health check
// done by the agent has the right reporter)
mysqld := mysqlctl.NewMysqld("Dba", "App", mycnf, &dbcfgs.Dba, &dbcfgs.App.ConnParams, &dbcfgs.Repl)
registerHealthReporter(mysqld)
// Depends on both query and updateStream.
gRPCPort := int32(0)
if servenv.GRPCPort != nil {
gRPCPort = int32(*servenv.GRPCPort)
}
agent, err = tabletmanager.NewActionAgent(context.Background(), mysqld, qsc, tabletAlias, dbcfgs, mycnf, int32(*servenv.Port), gRPCPort, *overridesFile, *lockTimeout)
if err != nil {
log.Error(err)
exit.Return(1)
}
servenv.OnRun(func() {
addStatusParts(qsc)
})
servenv.OnTerm(func() {
qsc.StopService()
binlog.DisableUpdateStreamService()
agent.Stop()
})
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()
flags := dbconfigs.AppConfig | dbconfigs.AllPrivsConfig | dbconfigs.DbaConfig |
dbconfigs.FilteredConfig | dbconfigs.ReplConfig
dbconfigs.RegisterFlags(flags)
mysqlctl.RegisterFlags()
flag.Parse()
tabletserver.Init()
if len(flag.Args()) > 0 {
flag.Usage()
log.Errorf("vttablet doesn't take any positional arguments")
exit.Return(1)
}
servenv.Init()
if *tabletPath == "" {
log.Errorf("tabletPath required")
exit.Return(1)
}
tabletAlias, err := topoproto.ParseTabletAlias(*tabletPath)
if err != nil {
log.Error(err)
exit.Return(1)
}
mycnf, err := mysqlctl.NewMycnfFromFlags(tabletAlias.Uid)
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)
}
// creates and registers the query service
qsc := tabletserver.NewServer()
servenv.OnRun(func() {
qsc.Register()
addStatusParts(qsc)
})
servenv.OnClose(func() {
// We now leave the queryservice running during lameduck,
// so stop it in OnClose(), after lameduck is over.
qsc.StopService()
})
if *tableAclConfig != "" {
// To override default simpleacl, other ACL plugins must set themselves to be default ACL factory
tableacl.Register("simpleacl", &simpleacl.Factory{})
} else if *enforceTableACLConfig {
log.Error("table acl config has to be specified with table-acl-config flag because enforce-tableacl-config is set.")
exit.Return(1)
}
// tabletacl.Init loads ACL from file if *tableAclConfig is not empty
err = tableacl.Init(
*tableAclConfig,
func() {
qsc.ClearQueryPlanCache()
},
)
if err != nil {
log.Errorf("Fail to initialize Table ACL: %v", err)
if *enforceTableACLConfig {
log.Error("Need a valid initial Table ACL when enforce-tableacl-config is set, exiting.")
exit.Return(1)
}
}
// Create mysqld and register the health reporter (needs to be done
// before initializing the agent, so the initial health check
// done by the agent has the right reporter)
mysqld := mysqlctl.NewMysqld(mycnf, &dbcfgs.Dba, &dbcfgs.AllPrivs, &dbcfgs.App, &dbcfgs.Repl, true /* enablePublishStats */)
servenv.OnClose(mysqld.Close)
// Depends on both query and updateStream.
gRPCPort := int32(0)
if servenv.GRPCPort != nil {
gRPCPort = int32(*servenv.GRPCPort)
}
agent, err = tabletmanager.NewActionAgent(context.Background(), mysqld, qsc, tabletAlias, dbcfgs, mycnf, int32(*servenv.Port), gRPCPort)
if err != nil {
log.Error(err)
exit.Return(1)
}
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()
}