本文整理汇总了Golang中github.com/youtube/vitess/go/vt/topo.SrvTopoServer.GetSrvKeyspace方法的典型用法代码示例。如果您正苦于以下问题：Golang SrvTopoServer.GetSrvKeyspace方法的具体用法？Golang SrvTopoServer.GetSrvKeyspace怎么用？Golang SrvTopoServer.GetSrvKeyspace使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/youtube/vitess/go/vt/topo.SrvTopoServer的用法示例。
在下文中一共展示了SrvTopoServer.GetSrvKeyspace方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: getKeyspaceShards
func getKeyspaceShards(ctx context.Context, topoServ topo.SrvTopoServer, cell, keyspace string, tabletType topodatapb.TabletType) (string, *topodatapb.SrvKeyspace, []*topodatapb.ShardReference, error) {
srvKeyspace, err := topoServ.GetSrvKeyspace(ctx, cell, keyspace)
if err != nil {
return "", nil, nil, vterrors.NewVitessError(
vtrpcpb.ErrorCode_INTERNAL_ERROR, err,
"keyspace %v fetch error: %v", keyspace, err,
)
}
// check if the keyspace has been redirected for this tabletType.
for _, sf := range srvKeyspace.ServedFrom {
if sf.TabletType == tabletType {
keyspace = sf.Keyspace
srvKeyspace, err = topoServ.GetSrvKeyspace(ctx, cell, keyspace)
if err != nil {
return "", nil, nil, vterrors.NewVitessError(
vtrpcpb.ErrorCode_INTERNAL_ERROR, err,
"keyspace %v fetch error: %v", keyspace, err,
)
}
}
}
partition := topoproto.SrvKeyspaceGetPartition(srvKeyspace, tabletType)
if partition == nil {
return "", nil, nil, vterrors.NewVitessError(
vtrpcpb.ErrorCode_INTERNAL_ERROR, err,
"No partition found for tabletType %v in keyspace %v", strings.ToLower(tabletType.String()), keyspace,
)
}
return keyspace, srvKeyspace, partition.ShardReferences, nil
}示例2: findAllKeyspaceShards
// findAllKeyspaceShards goes through all serving shards in the topology
func findAllKeyspaceShards(ctx context.Context, ts topo.SrvTopoServer, cell string) (map[keyspaceShard]bool, error) {
ksNames, err := ts.GetSrvKeyspaceNames(ctx, cell)
if err != nil {
return nil, err
}
keyspaceShards := make(map[keyspaceShard]bool)
var wg sync.WaitGroup
var mu sync.Mutex
var errRecorder concurrency.AllErrorRecorder
for _, ksName := range ksNames {
wg.Add(1)
go func(keyspace string) {
defer wg.Done()
// get SrvKeyspace for cell/keyspace
ks, err := ts.GetSrvKeyspace(ctx, cell, keyspace)
if err != nil {
errRecorder.RecordError(err)
return
}
// get all shard names that are used for serving
mu.Lock()
for _, ksPartition := range ks.Partitions {
for _, shard := range ksPartition.ShardReferences {
keyspaceShards[keyspaceShard{
keyspace: keyspace,
shard: shard.Name,
}] = true
}
}
mu.Unlock()
}(ksName)
}
wg.Wait()
if errRecorder.HasErrors() {
return nil, errRecorder.Error()
}
return keyspaceShards, nil
}