本文整理匯總了Golang中github.com/youtube/vitess/go/vt/mysqlctl.MysqlDaemon.GetMasterAddr方法的典型用法代碼示例。如果您正苦於以下問題：Golang MysqlDaemon.GetMasterAddr方法的具體用法？Golang MysqlDaemon.GetMasterAddr怎麽用？Golang MysqlDaemon.GetMasterAddr使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/youtube/vitess/go/vt/mysqlctl.MysqlDaemon的用法示例。
在下文中一共展示了MysqlDaemon.GetMasterAddr方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: SlaveWasPromoted
func SlaveWasPromoted(ts topo.Server, mysqlDaemon mysqlctl.MysqlDaemon, tabletAlias topo.TabletAlias) error {
// We first check we don't have a master any more.
// If we do, it probably means we're not *the* master, and something
// is really wrong.
masterAddr, err := mysqlDaemon.GetMasterAddr()
if err != mysqlctl.ErrNotSlave {
return fmt.Errorf("new master is a slave: %v %v", masterAddr, err)
}
tablet, err := ts.GetTablet(tabletAlias)
if err != nil {
return err
}
return updateReplicationGraphForPromotedSlave(ts, mysqlDaemon, tablet)
}示例2: SlaveWasRestarted
func SlaveWasRestarted(ts topo.Server, mysqlDaemon mysqlctl.MysqlDaemon, tabletAlias topo.TabletAlias, swrd *actionnode.SlaveWasRestartedArgs) error {
tablet, err := ts.GetTablet(tabletAlias)
if err != nil {
return err
}
// check the reparent actually worked
masterAddr, err := mysqlDaemon.GetMasterAddr()
if err != nil {
return err
}
if masterAddr != swrd.ExpectedMasterAddr && masterAddr != swrd.ExpectedMasterIpAddr {
log.Errorf("SlaveWasRestarted found unexpected master %v for %v (was expecting %v or %v)", masterAddr, tabletAlias, swrd.ExpectedMasterAddr, swrd.ExpectedMasterIpAddr)
// Disabled for now
// if swrd.ContinueOnUnexpectedMaster {
// log.Errorf("ContinueOnUnexpectedMaster is set, we keep going anyway")
// } else
if swrd.ScrapStragglers {
return Scrap(ts, tablet.Alias, false)
} else {
return fmt.Errorf("Unexpected master %v for %v (was expecting %v or %v)", masterAddr, tabletAlias, swrd.ExpectedMasterAddr, swrd.ExpectedMasterIpAddr)
}
}
// Once this action completes, update authoritive tablet node first.
tablet.Parent = swrd.Parent
if tablet.Type == topo.TYPE_MASTER {
tablet.Type = topo.TYPE_SPARE
tablet.State = topo.STATE_READ_ONLY
}
err = topo.UpdateTablet(ts, tablet)
if err != nil {
return err
}
// Update the new tablet location in the replication graph now that
// we've updated the tablet.
err = topo.CreateTabletReplicationData(ts, tablet.Tablet)
if err != nil && err != topo.ErrNodeExists {
return err
}
return nil
}