// NewComboActionAgent creates an agent tailored specifically to run
// within the vtcombo binary. It cannot be called concurrently,
// as it changes the flags.
func NewComboActionAgent(batchCtx context.Context, ts topo.Server, tabletAlias *pb.TabletAlias, vtPort, grpcPort int32, queryServiceControl tabletserver.Controller, dbcfgs dbconfigs.DBConfigs, mysqlDaemon mysqlctl.MysqlDaemon, keyspace, shard, dbname, tabletType string) *ActionAgent {
agent := &ActionAgent{
QueryServiceControl: queryServiceControl,
UpdateStream: binlog.NewUpdateStreamControlMock(),
HealthReporter: health.DefaultAggregator,
batchCtx: batchCtx,
TopoServer: ts,
TabletAlias: tabletAlias,
MysqlDaemon: mysqlDaemon,
DBConfigs: dbcfgs,
SchemaOverrides: nil,
BinlogPlayerMap: nil,
History: history.New(historyLength),
lastHealthMapCount: new(stats.Int),
_healthy: fmt.Errorf("healthcheck not run yet"),
}
agent.registerQueryRuleSources()
// initialize the tablet
*initDbNameOverride = dbname
*initKeyspace = keyspace
*initShard = shard
*initTabletType = tabletType
if err := agent.InitTablet(vtPort, grpcPort); err != nil {
panic(fmt.Errorf("agent.InitTablet failed: %v", err))
}
// and start the agent
if err := agent.Start(batchCtx, 0, vtPort, grpcPort, false); err != nil {
panic(fmt.Errorf("agent.Start(%v) failed: %v", tabletAlias, err))
}
return agent
}
// NewTestActionAgent creates an agent for test purposes. Only a
// subset of features are supported now, but we'll add more over time.
func NewTestActionAgent(batchCtx context.Context, ts topo.Server, tabletAlias *topodatapb.TabletAlias, vtPort, grpcPort int32, mysqlDaemon mysqlctl.MysqlDaemon, preStart func(*ActionAgent)) *ActionAgent {
agent := &ActionAgent{
QueryServiceControl: tabletservermock.NewController(),
UpdateStream: binlog.NewUpdateStreamControlMock(),
HealthReporter: health.DefaultAggregator,
batchCtx: batchCtx,
TopoServer: ts,
TabletAlias: tabletAlias,
MysqlDaemon: mysqlDaemon,
DBConfigs: dbconfigs.DBConfigs{},
BinlogPlayerMap: nil,
History: history.New(historyLength),
_healthy: fmt.Errorf("healthcheck not run yet"),
}
if preStart != nil {
preStart(agent)
}
// Start will update the topology and setup services.
if err := agent.Start(batchCtx, 0, vtPort, grpcPort, false); err != nil {
panic(fmt.Errorf("agent.Start(%v) failed: %v", tabletAlias, err))
}
// Update our running state.
if err := agent.refreshTablet(batchCtx, "Start"); err != nil {
panic(fmt.Errorf("agent.refreshTablet(%v) failed: %v", tabletAlias, err))
}
return agent
}
// NewTestActionAgent creates an agent for test purposes. Only a
// subset of features are supported now, but we'll add more over time.
func NewTestActionAgent(batchCtx context.Context, ts topo.Server, tabletAlias *pb.TabletAlias, vtPort, grpcPort int32, mysqlDaemon mysqlctl.MysqlDaemon) *ActionAgent {
agent := &ActionAgent{
QueryServiceControl: tabletservermock.NewController(),
UpdateStream: binlog.NewUpdateStreamControlMock(),
HealthReporter: health.DefaultAggregator,
batchCtx: batchCtx,
TopoServer: ts,
TabletAlias: tabletAlias,
MysqlDaemon: mysqlDaemon,
DBConfigs: dbconfigs.DBConfigs{},
SchemaOverrides: nil,
BinlogPlayerMap: nil,
History: history.New(historyLength),
lastHealthMapCount: new(stats.Int),
_healthy: fmt.Errorf("healthcheck not run yet"),
}
if err := agent.Start(batchCtx, 0, vtPort, grpcPort, false); err != nil {
panic(fmt.Errorf("agent.Start(%v) failed: %v", tabletAlias, err))
}
return agent
}