Exemple #1
0
// createTestAbortCache creates an in-memory engine and
// returns a abort cache using the supplied Range ID.
func createTestAbortCache(
	t *testing.T, rangeID roachpb.RangeID, stopper *stop.Stopper,
) (*AbortCache, engine.Engine) {
	eng := engine.NewInMem(roachpb.Attributes{}, 1<<20)
	stopper.AddCloser(eng)
	return NewAbortCache(rangeID), eng
}
Exemple #2
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// TestingSetupZoneConfigHook initializes the zone config hook
// to 'testingZoneConfigHook' which uses 'testingZoneConfig'.
// Settings go back to their previous values when the stopper runs our closer.
func TestingSetupZoneConfigHook(stopper *stop.Stopper) {
	stopper.AddCloser(stop.CloserFn(testingResetZoneConfigHook))

	testingLock.Lock()
	defer testingLock.Unlock()
	if testingHasHook {
		panic("TestingSetupZoneConfigHook called without restoring state")
	}
	testingHasHook = true
	testingZoneConfig = make(zoneConfigMap)
	testingPreviousHook = ZoneConfigHook
	ZoneConfigHook = testingZoneConfigHook
	testingLargestIDHook = func(maxID uint32) (max uint32) {
		testingLock.Lock()
		defer testingLock.Unlock()
		for id := range testingZoneConfig {
			if maxID > 0 && id > maxID {
				continue
			}
			if id > max {
				max = id
			}
		}
		return
	}
}
Exemple #3
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// New creates an instance of a gossip node.
// The higher level manages the NodeIDContainer instance (which can be shared by
// various server components). The ambient context is expected to already
// contain the node ID.
func New(
	ambient log.AmbientContext,
	nodeID *base.NodeIDContainer,
	rpcContext *rpc.Context,
	grpcServer *grpc.Server,
	resolvers []resolver.Resolver,
	stopper *stop.Stopper,
	registry *metric.Registry,
) *Gossip {
	ambient.SetEventLog("gossip", "gossip")
	g := &Gossip{
		server:            newServer(ambient, nodeID, stopper, registry),
		Connected:         make(chan struct{}),
		rpcContext:        rpcContext,
		outgoing:          makeNodeSet(minPeers, metric.NewGauge(MetaConnectionsOutgoingGauge)),
		bootstrapping:     map[string]struct{}{},
		disconnected:      make(chan *client, 10),
		stalledCh:         make(chan struct{}, 1),
		stallInterval:     defaultStallInterval,
		bootstrapInterval: defaultBootstrapInterval,
		cullInterval:      defaultCullInterval,
		nodeDescs:         map[roachpb.NodeID]*roachpb.NodeDescriptor{},
		resolverAddrs:     map[util.UnresolvedAddr]resolver.Resolver{},
		bootstrapAddrs:    map[util.UnresolvedAddr]roachpb.NodeID{},
	}
	stopper.AddCloser(stop.CloserFn(g.server.AmbientContext.FinishEventLog))

	registry.AddMetric(g.outgoing.gauge)
	g.clientsMu.breakers = map[string]*circuit.Breaker{}
	resolverAddrs := make([]string, len(resolvers))
	for i, resolver := range resolvers {
		resolverAddrs[i] = resolver.Addr()
	}
	ctx := g.AnnotateCtx(context.Background())
	if log.V(1) {
		log.Infof(ctx, "initial resolvers: %v", resolverAddrs)
	}
	g.SetResolvers(resolvers)

	g.mu.Lock()
	// Add ourselves as a SystemConfig watcher.
	g.mu.is.registerCallback(KeySystemConfig, g.updateSystemConfig)
	// Add ourselves as a node descriptor watcher.
	g.mu.is.registerCallback(MakePrefixPattern(KeyNodeIDPrefix), g.updateNodeAddress)
	g.mu.Unlock()

	RegisterGossipServer(grpcServer, g.server)
	return g
}
Exemple #4
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func openStore(cmd *cobra.Command, dir string, stopper *stop.Stopper) (*engine.RocksDB, error) {
	cache := engine.NewRocksDBCache(512 << 20)
	defer cache.Release()
	maxOpenFiles, err := server.SetOpenFileLimitForOneStore()
	if err != nil {
		return nil, err
	}
	db, err := engine.NewRocksDB(
		roachpb.Attributes{},
		dir,
		cache,
		0,
		maxOpenFiles,
	)
	if err != nil {
		return nil, err
	}
	stopper.AddCloser(db)
	return db, nil
}