func shutdownCmd(mysqld *mysqlctl.Mysqld, subFlags *flag.FlagSet, args []string) {
waitTime := subFlags.Duration("wait_time", mysqlctl.MysqlWaitTime, "how long to wait for shutdown")
subFlags.Parse(args)
if mysqlErr := mysqld.Shutdown(true, *waitTime); mysqlErr != nil {
log.Fatalf("failed shutdown mysql: %v", mysqlErr)
}
}
func teardownCmd(mysqld *mysqlctl.Mysqld, subFlags *flag.FlagSet, args []string) {
force := subFlags.Bool("force", false, "will remove the root directory even if mysqld shutdown fails")
subFlags.Parse(args)
if err := mysqld.Teardown(*force); err != nil {
log.Fatalf("failed teardown mysql (forced? %v): %v", *force, err)
}
}
func startCmd(mysqld *mysqlctl.Mysqld, subFlags *flag.FlagSet, args []string) {
waitTime := subFlags.Duration("wait_time", mysqlctl.MysqlWaitTime, "how long to wait for startup")
subFlags.Parse(args)
if err := mysqld.Start(*waitTime); err != nil {
log.Fatalf("failed start mysql: %v", err)
}
}
func snapshotSourceEndCmd(mysqld *mysqlctl.Mysqld, subFlags *flag.FlagSet, args []string) {
slaveStartRequired := subFlags.Bool("slave_start", false, "will restart replication")
readWrite := subFlags.Bool("read_write", false, "will make the server read-write")
subFlags.Parse(args)
err := mysqld.SnapshotSourceEnd(*slaveStartRequired, !(*readWrite), true, map[string]string{})
if err != nil {
log.Fatalf("snapshotsourceend failed: %v", err)
}
}
func initCmd(mysqld *mysqlctl.Mysqld, subFlags *flag.FlagSet, args []string) {
waitTime := subFlags.Duration("wait_time", mysqlctl.MysqlWaitTime, "how long to wait for startup")
bootstrapArchive := subFlags.String("bootstrap_archive", "mysql-db-dir.tbz", "name of bootstrap archive within vitess/data/bootstrap directory")
skipSchema := subFlags.Bool("skip_schema", false, "don't apply initial schema")
subFlags.Parse(args)
if err := mysqld.Init(*waitTime, *bootstrapArchive, *skipSchema); err != nil {
log.Fatalf("failed init mysql: %v", err)
}
}
func snapshotCmd(mysqld *mysqlctl.Mysqld, subFlags *flag.FlagSet, args []string) {
concurrency := subFlags.Int("concurrency", 4, "how many compression jobs to run simultaneously")
subFlags.Parse(args)
if subFlags.NArg() != 1 {
log.Fatalf("Command snapshot requires <db name>")
}
filename, _, _, err := mysqld.CreateSnapshot(logutil.NewConsoleLogger(), subFlags.Arg(0), tabletAddr, false, *concurrency, false, nil)
if err != nil {
log.Fatalf("snapshot failed: %v", err)
} else {
log.Infof("manifest location: %v", filename)
}
}
func snapshotSourceStartCmd(mysqld *mysqlctl.Mysqld, subFlags *flag.FlagSet, args []string) {
concurrency := subFlags.Int("concurrency", 4, "how many checksum jobs to run simultaneously")
subFlags.Parse(args)
if subFlags.NArg() != 1 {
log.Fatalf("Command snapshotsourcestart requires <db name>")
}
filename, slaveStartRequired, readOnly, err := mysqld.CreateSnapshot(logutil.NewConsoleLogger(), subFlags.Arg(0), tabletAddr, false, *concurrency, true, nil)
if err != nil {
log.Fatalf("snapshot failed: %v", err)
} else {
log.Infof("manifest location: %v", filename)
log.Infof("slave start required: %v", slaveStartRequired)
log.Infof("read only: %v", readOnly)
}
}
func restoreCmd(mysqld *mysqlctl.Mysqld, subFlags *flag.FlagSet, args []string) {
dontWaitForSlaveStart := subFlags.Bool("dont_wait_for_slave_start", false, "won't wait for replication to start (useful when restoring from master server)")
fetchConcurrency := subFlags.Int("fetch_concurrency", 3, "how many files to fetch simultaneously")
fetchRetryCount := subFlags.Int("fetch_retry_count", 3, "how many times to retry a failed transfer")
subFlags.Parse(args)
if subFlags.NArg() != 1 {
log.Fatalf("Command restore requires <snapshot manifest file>")
}
rs, err := mysqlctl.ReadSnapshotManifest(subFlags.Arg(0))
if err == nil {
err = mysqld.RestoreFromSnapshot(logutil.NewConsoleLogger(), rs, *fetchConcurrency, *fetchRetryCount, *dontWaitForSlaveStart, nil)
}
if err != nil {
log.Fatalf("restore failed: %v", err)
}
}
// Open runs the invalidation loop.
func (rci *RowcacheInvalidator) Open(dbname string, mysqld *mysqlctl.Mysqld) {
rp, err := mysqld.MasterPosition()
if err != nil {
panic(NewTabletError(FATAL, "Rowcache invalidator aborting: cannot determine replication position: %v", err))
}
if mysqld.Cnf().BinLogPath == "" {
panic(NewTabletError(FATAL, "Rowcache invalidator aborting: binlog path not specified"))
}
rci.dbname = dbname
rci.mysqld = mysqld
rci.SetPosition(rp)
ok := rci.svm.Go(rci.run)
if ok {
log.Infof("Rowcache invalidator starting, dbname: %s, path: %s, position: %v", dbname, mysqld.Cnf().BinLogPath, rp)
} else {
log.Infof("Rowcache invalidator already running")
}
}