// 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
}
func newRaftTransportTestContext(t testing.TB) *raftTransportTestContext {
rttc := &raftTransportTestContext{
t: t,
stopper: stop.NewStopper(),
transports: map[roachpb.NodeID]*storage.RaftTransport{},
}
rttc.nodeRPCContext = rpc.NewContext(
log.AmbientContext{}, testutils.NewNodeTestBaseContext(), nil, rttc.stopper,
)
server := rpc.NewServer(rttc.nodeRPCContext) // never started
rttc.gossip = gossip.NewTest(
1, rttc.nodeRPCContext, server, nil, rttc.stopper, metric.NewRegistry(),
)
return rttc
}
// CreateNode creates a simulation node and starts an RPC server for it.
func (n *Network) CreateNode() (*Node, error) {
server := rpc.NewServer(n.rpcContext)
ln, err := net.Listen(util.TestAddr.Network(), util.TestAddr.String())
if err != nil {
return nil, err
}
node := &Node{Server: server, Listener: ln, Registry: metric.NewRegistry()}
node.Gossip = gossip.NewTest(0, n.rpcContext, server, nil, n.Stopper, node.Registry)
n.Stopper.RunWorker(func() {
<-n.Stopper.ShouldQuiesce()
netutil.FatalIfUnexpected(ln.Close())
<-n.Stopper.ShouldStop()
server.Stop()
node.Gossip.EnableSimulationCycler(false)
})
n.Nodes = append(n.Nodes, node)
return node, nil
}
// createTestStorePool creates a stopper, gossip and storePool for use in
// tests. Stopper must be stopped by the caller.
func createTestStorePool(
timeUntilStoreDead time.Duration,
) (*stop.Stopper, *gossip.Gossip, *hlc.ManualClock, *StorePool) {
stopper := stop.NewStopper()
mc := hlc.NewManualClock(0)
clock := hlc.NewClock(mc.UnixNano)
rpcContext := rpc.NewContext(log.AmbientContext{}, &base.Config{Insecure: true}, clock, stopper)
server := rpc.NewServer(rpcContext) // never started
g := gossip.NewTest(1, rpcContext, server, nil, stopper, metric.NewRegistry())
storePool := NewStorePool(
log.AmbientContext{},
g,
clock,
rpcContext,
timeUntilStoreDead,
stopper,
)
return stopper, g, mc, storePool
}
// createTestStorePool creates a stopper, gossip and storePool for use in
// tests. Stopper must be stopped by the caller.
func createTestStorePool(
timeUntilStoreDead time.Duration, deterministic bool, defaultNodeLiveness bool,
) (*stop.Stopper, *gossip.Gossip, *hlc.ManualClock, *StorePool, *mockNodeLiveness) {
stopper := stop.NewStopper()
mc := hlc.NewManualClock(123)
clock := hlc.NewClock(mc.UnixNano, time.Nanosecond)
rpcContext := rpc.NewContext(log.AmbientContext{}, &base.Config{Insecure: true}, clock, stopper)
server := rpc.NewServer(rpcContext) // never started
g := gossip.NewTest(1, rpcContext, server, nil, stopper, metric.NewRegistry())
mnl := newMockNodeLiveness(defaultNodeLiveness)
storePool := NewStorePool(
log.AmbientContext{},
g,
clock,
mnl.nodeLivenessFunc,
timeUntilStoreDead,
deterministic,
)
return stopper, g, mc, storePool, mnl
}
// createCluster generates a new cluster using the provided stopper and the
// number of nodes supplied. Each node will have one store to start.
func createCluster(
stopper *stop.Stopper,
nodeCount int,
epochWriter, actionWriter io.Writer,
script Script,
rand *rand.Rand,
) *Cluster {
clock := hlc.NewClock(hlc.UnixNano, time.Nanosecond)
rpcContext := rpc.NewContext(log.AmbientContext{}, &base.Config{Insecure: true}, clock, stopper)
server := rpc.NewServer(rpcContext)
// We set the node ID to MaxInt32 for the cluster Gossip instance to prevent
// conflicts with real node IDs.
g := gossip.NewTest(math.MaxInt32, rpcContext, server, nil, stopper, metric.NewRegistry())
// Set the store pool to deterministic so that a run with the exact same
// input will always produce the same output.
storePool := storage.NewStorePool(
log.AmbientContext{},
g,
clock,
rpcContext,
storage.TestTimeUntilStoreDeadOff,
stopper,
/* deterministic */ true,
)
c := &Cluster{
stopper: stopper,
clock: clock,
rpc: rpcContext,
gossip: g,
storePool: storePool,
allocator: storage.MakeAllocator(storePool, storage.AllocatorOptions{
AllowRebalance: true,
}),
storeGossiper: gossiputil.NewStoreGossiper(g),
nodes: make(map[roachpb.NodeID]*Node),
stores: make(map[roachpb.StoreID]*Store),
ranges: make(map[roachpb.RangeID]*Range),
rangeIDsByStore: make(map[roachpb.StoreID]roachpb.RangeIDSlice),
rand: rand,
epochWriter: tabwriter.NewWriter(epochWriter, 8, 1, 2, ' ', 0),
actionWriter: tabwriter.NewWriter(actionWriter, 8, 1, 2, ' ', 0),
script: script,
epoch: -1,
}
// Add the nodes.
for i := 0; i < nodeCount; i++ {
c.addNewNodeWithStore()
}
// Add a single range and add to this first node's first store.
firstRange := c.addRange()
firstRange.addReplica(c.stores[0])
c.calculateRangeIDsByStore()
// Output the first epoch header.
c.epoch = 0
c.OutputEpochHeader()
c.OutputEpoch()
c.flush()
return c
}