// TestParseJoinUsingAddrs verifies that JoinList is parsed
// correctly.
func TestParseJoinUsingAddrs(t *testing.T) {
defer leaktest.AfterTest(t)()
cfg := MakeConfig()
cfg.JoinList = []string{"localhost:12345,,localhost:23456", "localhost:34567"}
cfg.Stores = base.StoreSpecList{Specs: []base.StoreSpec{{InMemory: true, SizeInBytes: base.MinimumStoreSize * 100}}}
engines, err := cfg.CreateEngines()
if err != nil {
t.Fatalf("Failed to initialize stores: %s", err)
}
defer engines.Close()
if err := cfg.InitNode(); err != nil {
t.Fatalf("Failed to initialize node: %s", err)
}
r1, err := resolver.NewResolver("localhost:12345")
if err != nil {
t.Fatal(err)
}
r2, err := resolver.NewResolver("localhost:23456")
if err != nil {
t.Fatal(err)
}
r3, err := resolver.NewResolver("localhost:34567")
if err != nil {
t.Fatal(err)
}
expected := []resolver.Resolver{r1, r2, r3}
if !reflect.DeepEqual(cfg.GossipBootstrapResolvers, expected) {
t.Fatalf("Unexpected bootstrap addresses: %v, expected: %v", cfg.GossipBootstrapResolvers, expected)
}
}
// TestClientRegisterInitNodeID verifies two client's gossip request with NodeID 0.
func TestClientRegisterWithInitNodeID(t *testing.T) {
defer leaktest.AfterTest(t)()
stopper := stop.NewStopper()
defer stopper.Stop()
// Create three gossip nodes, and connect to the first with NodeID 0.
var g []*Gossip
var gossipAddr string
for i := 0; i < 3; i++ {
RPCContext := rpc.NewContext(log.AmbientContext{}, &base.Config{Insecure: true}, nil, stopper)
server := rpc.NewServer(RPCContext)
ln, err := netutil.ListenAndServeGRPC(stopper, server, util.IsolatedTestAddr)
if err != nil {
t.Fatal(err)
}
// Connect to the first gossip node.
if gossipAddr == "" {
gossipAddr = ln.Addr().String()
}
var resolvers []resolver.Resolver
resolver, err := resolver.NewResolver(gossipAddr)
if err != nil {
t.Fatal(err)
}
resolvers = append(resolvers, resolver)
// node ID must be non-zero
gnode := NewTest(
roachpb.NodeID(i+1), RPCContext, server, resolvers, stopper, metric.NewRegistry(),
)
g = append(g, gnode)
gnode.Start(ln.Addr())
}
util.SucceedsSoon(t, func() error {
// The first gossip node should have two gossip client address
// in nodeMap if these three gossip nodes registered success.
g[0].mu.Lock()
defer g[0].mu.Unlock()
if a, e := len(g[0].mu.nodeMap), 2; a != e {
return errors.Errorf("expected %s to contain %d nodes, got %d", g[0].mu.nodeMap, e, a)
}
return nil
})
}
// parseGossipBootstrapResolvers parses list of gossip bootstrap resolvers.
func (cfg *Config) parseGossipBootstrapResolvers() ([]resolver.Resolver, error) {
var bootstrapResolvers []resolver.Resolver
for _, commaSeparatedAddresses := range cfg.JoinList {
addresses := strings.Split(commaSeparatedAddresses, ",")
for _, address := range addresses {
if len(address) == 0 {
continue
}
resolver, err := resolver.NewResolver(address)
if err != nil {
return nil, err
}
bootstrapResolvers = append(bootstrapResolvers, resolver)
}
}
return bootstrapResolvers, nil
}
func TestGossipGetNextBootstrapAddress(t *testing.T) {
defer leaktest.AfterTest(t)()
stopper := stop.NewStopper()
defer stopper.Stop()
resolverSpecs := []string{
"127.0.0.1:9000",
"127.0.0.1:9001",
"localhost:9004",
}
resolvers := []resolver.Resolver{}
for _, rs := range resolverSpecs {
resolver, err := resolver.NewResolver(rs)
if err == nil {
resolvers = append(resolvers, resolver)
}
}
if len(resolvers) != 3 {
t.Errorf("expected 3 resolvers; got %d", len(resolvers))
}
server := rpc.NewServer(
rpc.NewContext(log.AmbientContext{}, &base.Config{Insecure: true}, nil, stopper),
)
g := NewTest(0, nil, server, resolvers, stop.NewStopper(), metric.NewRegistry())
// Using specified resolvers, fetch bootstrap addresses 3 times
// and verify the results match expected addresses.
expAddresses := []string{
"127.0.0.1:9000",
"127.0.0.1:9001",
"localhost:9004",
}
for i := 0; i < len(expAddresses); i++ {
if addr := g.getNextBootstrapAddress(); addr == nil {
t.Errorf("%d: unexpected nil addr when expecting %s", i, expAddresses[i])
} else if addrStr := addr.String(); addrStr != expAddresses[i] {
t.Errorf("%d: expected addr %s; got %s", i, expAddresses[i], addrStr)
}
}
}