本文整理匯總了Golang中github.com/cockroachdb/cockroach/pkg/storage.StoreConfig.DB方法的典型用法代碼示例。如果您正苦於以下問題:Golang StoreConfig.DB方法的具體用法?Golang StoreConfig.DB怎麽用?Golang StoreConfig.DB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/cockroachdb/cockroach/pkg/storage.StoreConfig
的用法示例。
在下文中一共展示了StoreConfig.DB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: createTestNode
// createTestNode creates an rpc server using the specified address,
// gossip instance, KV database and a node using the specified slice
// of engines. The server, clock and node are returned. If gossipBS is
// not nil, the gossip bootstrap address is set to gossipBS.
func createTestNode(
addr net.Addr, engines []engine.Engine, gossipBS net.Addr, t *testing.T,
) (*grpc.Server, net.Addr, *hlc.Clock, *Node, *stop.Stopper) {
cfg := storage.StoreConfig{}
stopper := stop.NewStopper()
cfg.Clock = hlc.NewClock(hlc.UnixNano)
nodeRPCContext := rpc.NewContext(log.AmbientContext{}, nodeTestBaseContext, cfg.Clock, stopper)
cfg.ScanInterval = 10 * time.Hour
cfg.ConsistencyCheckInterval = 10 * time.Hour
grpcServer := rpc.NewServer(nodeRPCContext)
serverCfg := makeTestConfig()
cfg.Gossip = gossip.NewTest(
0,
nodeRPCContext,
grpcServer,
serverCfg.GossipBootstrapResolvers,
stopper,
metric.NewRegistry(),
)
ln, err := netutil.ListenAndServeGRPC(stopper, grpcServer, addr)
if err != nil {
t.Fatal(err)
}
if gossipBS != nil {
// Handle possibility of a :0 port specification.
if gossipBS.Network() == addr.Network() && gossipBS.String() == addr.String() {
gossipBS = ln.Addr()
}
r, err := resolver.NewResolverFromAddress(gossipBS)
if err != nil {
t.Fatalf("bad gossip address %s: %s", gossipBS, err)
}
cfg.Gossip.SetResolvers([]resolver.Resolver{r})
cfg.Gossip.Start(ln.Addr())
}
retryOpts := base.DefaultRetryOptions()
retryOpts.Closer = stopper.ShouldQuiesce()
distSender := kv.NewDistSender(kv.DistSenderConfig{
Clock: cfg.Clock,
RPCContext: nodeRPCContext,
RPCRetryOptions: &retryOpts,
}, cfg.Gossip)
cfg.AmbientCtx.Tracer = tracing.NewTracer()
sender := kv.NewTxnCoordSender(
cfg.AmbientCtx,
distSender,
cfg.Clock,
false,
stopper,
kv.MakeTxnMetrics(metric.TestSampleInterval),
)
cfg.DB = client.NewDB(sender)
cfg.Transport = storage.NewDummyRaftTransport()
cfg.MetricsSampleInterval = metric.TestSampleInterval
node := NewNode(cfg, status.NewMetricsRecorder(cfg.Clock), metric.NewRegistry(), stopper,
kv.MakeTxnMetrics(metric.TestSampleInterval), sql.MakeEventLogger(nil))
roachpb.RegisterInternalServer(grpcServer, node)
return grpcServer, ln.Addr(), cfg.Clock, node, stopper
}
示例2: bootstrapCluster
// bootstrapCluster bootstraps a multiple stores using the provided
// engines and cluster ID. The first bootstrapped store contains a
// single range spanning all keys. Initial range lookup metadata is
// populated for the range. Returns the cluster ID.
func bootstrapCluster(engines []engine.Engine, txnMetrics kv.TxnMetrics) (uuid.UUID, error) {
clusterID := uuid.MakeV4()
stopper := stop.NewStopper()
defer stopper.Stop()
cfg := storage.StoreConfig{}
cfg.ScanInterval = 10 * time.Minute
cfg.MetricsSampleInterval = time.Duration(math.MaxInt64)
cfg.ConsistencyCheckInterval = 10 * time.Minute
cfg.Clock = hlc.NewClock(hlc.UnixNano)
cfg.AmbientCtx.Tracer = tracing.NewTracer()
// Create a KV DB with a local sender.
stores := storage.NewStores(cfg.AmbientCtx, cfg.Clock)
sender := kv.NewTxnCoordSender(cfg.AmbientCtx, stores, cfg.Clock, false, stopper, txnMetrics)
cfg.DB = client.NewDB(sender)
cfg.Transport = storage.NewDummyRaftTransport()
for i, eng := range engines {
sIdent := roachpb.StoreIdent{
ClusterID: clusterID,
NodeID: FirstNodeID,
StoreID: roachpb.StoreID(i + 1),
}
// The bootstrapping store will not connect to other nodes so its
// StoreConfig doesn't really matter.
s := storage.NewStore(cfg, eng, &roachpb.NodeDescriptor{NodeID: FirstNodeID})
// Verify the store isn't already part of a cluster.
if s.Ident.ClusterID != *uuid.EmptyUUID {
return uuid.UUID{}, errors.Errorf("storage engine already belongs to a cluster (%s)", s.Ident.ClusterID)
}
// Bootstrap store to persist the store ident.
if err := s.Bootstrap(sIdent); err != nil {
return uuid.UUID{}, err
}
// Create first range, writing directly to engine. Note this does
// not create the range, just its data. Only do this if this is the
// first store.
if i == 0 {
initialValues := GetBootstrapSchema().GetInitialValues()
if err := s.BootstrapRange(initialValues); err != nil {
return uuid.UUID{}, err
}
}
if err := s.Start(context.Background(), stopper); err != nil {
return uuid.UUID{}, err
}
stores.AddStore(s)
ctx := context.TODO()
// Initialize node and store ids. Only initialize the node once.
if i == 0 {
if nodeID, err := allocateNodeID(ctx, cfg.DB); nodeID != sIdent.NodeID || err != nil {
return uuid.UUID{}, errors.Errorf("expected to initialize node id allocator to %d, got %d: %s",
sIdent.NodeID, nodeID, err)
}
}
if storeID, err := allocateStoreIDs(ctx, sIdent.NodeID, 1, cfg.DB); storeID != sIdent.StoreID || err != nil {
return uuid.UUID{}, errors.Errorf("expected to initialize store id allocator to %d, got %d: %s",
sIdent.StoreID, storeID, err)
}
}
return clusterID, nil
}