Example #1
0
// 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) *Cluster {
	rand, seed := randutil.NewPseudoRand()
	clock := hlc.NewClock(hlc.UnixNano)
	rpcContext := rpc.NewContext(&base.Context{}, clock, stopper)
	g := gossip.New(rpcContext, gossip.TestInterval, gossip.TestBootstrap)
	storePool := storage.NewStorePool(g, storage.TestTimeUntilStoreDeadOff, stopper)
	c := &Cluster{
		stopper:       stopper,
		clock:         clock,
		rpc:           rpcContext,
		gossip:        g,
		storePool:     storePool,
		allocator:     storage.MakeAllocator(storePool, storage.RebalancingOptions{}),
		storeGossiper: gossiputil.NewStoreGossiper(g),
		nodes:         make(map[proto.NodeID]*Node),
		stores:        make(map[proto.StoreID]*Store),
		ranges:        make(map[proto.RangeID]*Range),
		rand:          rand,
		seed:          seed,
	}

	// 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.attachRangeToStore(c.stores[proto.StoreID(0)])
	return c
}
Example #2
0
// 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)
	rpcContext := rpc.NewContext(nil, clock, stopper)
	g := gossip.New(rpcContext, nil, stopper)
	// NodeID is required for Gossip, so set it to -1 for the cluster Gossip
	// instance to prevent conflicts with real NodeIDs.
	g.SetNodeID(-1)
	storePool := storage.NewStorePool(g, clock, storage.TestTimeUntilStoreDeadOff, stopper)
	c := &Cluster{
		stopper:   stopper,
		clock:     clock,
		rpc:       rpcContext,
		gossip:    g,
		storePool: storePool,
		allocator: storage.MakeAllocator(storePool, storage.AllocatorOptions{
			AllowRebalance: true,
			Deterministic:  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
}
Example #3
0
// 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) *Cluster {
	rand, seed := randutil.NewPseudoRand()
	clock := hlc.NewClock(hlc.UnixNano)
	rpcContext := rpc.NewContext(&base.Context{}, clock, stopper)
	g := gossip.New(rpcContext, gossip.TestInterval, gossip.TestBootstrap)
	storePool := storage.NewStorePool(g, storage.TestTimeUntilStoreDeadOff, stopper)
	c := &Cluster{
		stopper:   stopper,
		clock:     clock,
		rpc:       rpcContext,
		gossip:    g,
		storePool: storePool,
		allocator: storage.MakeAllocator(storePool, storage.RebalancingOptions{
			AllowRebalance: true,
			Deterministic:  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,
		seed:            seed,
		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
}