cli

Documentation

Index

• Variables
• func CheckCellFlags(ctx context.Context, serv srvtopo.Server, cell string, cellsToWatch string) error

Variables

var (
	Main = &cobra.Command{
		Use:   "vtgate",
		Short: "VTGate is a stateless proxy responsible for accepting requests from applications and routing them to the appropriate tablet server(s) for query execution. It speaks both the MySQL Protocol and a gRPC protocol.",
		Long: `VTGate is a stateless proxy responsible for accepting requests from applications and routing them to the appropriate tablet server(s) for query execution. It speaks both the MySQL Protocol and a gRPC protocol.

### Key Options
` +
			"\n* `--srv_topo_cache_ttl`: There may be instances where you will need to increase the cached TTL from the default of 1 second to a higher number:\n" +
			`	* You may want to increase this option if you see that your topo leader goes down and keeps your queries waiting for a few seconds.`,
		Example: `vtgate \
	--topo_implementation etcd2 \
	--topo_global_server_address localhost:2379 \
	--topo_global_root /vitess/global \
	--log_dir $VTDATAROOT/tmp \
	--port 15001 \
	--grpc_port 15991 \
	--mysql_server_port 15306 \
	--cell test \
	--cells_to_watch test \
	--tablet_types_to_wait PRIMARY,REPLICA \
	--service_map 'grpc-vtgateservice' \
	--pid_file $VTDATAROOT/tmp/vtgate.pid \
	--mysql_auth_server_impl none`,
		Args:    cobra.NoArgs,
		Version: servenv.AppVersion.String(),
		PreRunE: servenv.CobraPreRunE,
		RunE:    run,
	}
)

Functions

func CheckCellFlags

func CheckCellFlags(ctx context.Context, serv srvtopo.Server, cell string, cellsToWatch string) error

CheckCellFlags will check validation of cell and cells_to_watch flag it will help to avoid strange behaviors when vtgate runs but actually does not work