func CheckServingGraph(t *testing.T, ts topo.Server) {
cell := getLocalCell(t, ts)
// test individual cell/keyspace/shard/type entries
if _, err := ts.GetSrvTabletTypesPerShard(cell, "test_keyspace", "-10"); err != topo.ErrNoNode {
t.Errorf("GetSrvTabletTypesPerShard(invalid): %v", err)
}
if _, err := ts.GetEndPoints(cell, "test_keyspace", "-10", topo.TYPE_MASTER); err != topo.ErrNoNode {
t.Errorf("GetEndPoints(invalid): %v", err)
}
endPoints := topo.EndPoints{
Entries: []topo.EndPoint{
topo.EndPoint{
Uid: 1,
Host: "host1",
NamedPortMap: map[string]int{"vt": 1234, "mysql": 1235, "vts": 1236},
},
},
}
if err := ts.UpdateEndPoints(cell, "test_keyspace", "-10", topo.TYPE_MASTER, &endPoints); err != nil {
t.Errorf("UpdateEndPoints(master): %v", err)
}
if types, err := ts.GetSrvTabletTypesPerShard(cell, "test_keyspace", "-10"); err != nil || len(types) != 1 || types[0] != topo.TYPE_MASTER {
t.Errorf("GetSrvTabletTypesPerShard(1): %v %v", err, types)
}
addrs, err := ts.GetEndPoints(cell, "test_keyspace", "-10", topo.TYPE_MASTER)
if err != nil {
t.Errorf("GetEndPoints: %v", err)
}
if len(addrs.Entries) != 1 || addrs.Entries[0].Uid != 1 {
t.Errorf("GetEndPoints(1): %v", addrs)
}
if pm := addrs.Entries[0].NamedPortMap; pm["vt"] != 1234 || pm["mysql"] != 1235 || pm["vts"] != 1236 {
t.Errorf("GetSrcTabletType(1).NamedPortmap: want %v, got %v", endPoints.Entries[0].NamedPortMap, pm)
}
if err := ts.UpdateTabletEndpoint(cell, "test_keyspace", "-10", topo.TYPE_REPLICA, &topo.EndPoint{Uid: 2, Host: "host2"}); err != nil {
t.Errorf("UpdateTabletEndpoint(invalid): %v", err)
}
if err := ts.UpdateTabletEndpoint(cell, "test_keyspace", "-10", topo.TYPE_MASTER, &topo.EndPoint{Uid: 1, Host: "host2"}); err != nil {
t.Errorf("UpdateTabletEndpoint(master): %v", err)
}
if addrs, err := ts.GetEndPoints(cell, "test_keyspace", "-10", topo.TYPE_MASTER); err != nil || len(addrs.Entries) != 1 || addrs.Entries[0].Uid != 1 {
t.Errorf("GetEndPoints(2): %v %v", err, addrs)
}
if err := ts.UpdateTabletEndpoint(cell, "test_keyspace", "-10", topo.TYPE_MASTER, &topo.EndPoint{Uid: 3, Host: "host3"}); err != nil {
t.Errorf("UpdateTabletEndpoint(master): %v", err)
}
if addrs, err := ts.GetEndPoints(cell, "test_keyspace", "-10", topo.TYPE_MASTER); err != nil || len(addrs.Entries) != 2 {
t.Errorf("GetEndPoints(2): %v %v", err, addrs)
}
if err := ts.DeleteEndPoints(cell, "test_keyspace", "-10", topo.TYPE_REPLICA); err != topo.ErrNoNode {
t.Errorf("DeleteEndPoints(unknown): %v", err)
}
if err := ts.DeleteEndPoints(cell, "test_keyspace", "-10", topo.TYPE_MASTER); err != nil {
t.Errorf("DeleteEndPoints(master): %v", err)
}
// test cell/keyspace/shard entries (SrvShard)
srvShard := topo.SrvShard{
ServedTypes: []topo.TabletType{topo.TYPE_MASTER},
TabletTypes: []topo.TabletType{topo.TYPE_REPLICA, topo.TYPE_RDONLY},
}
if err := ts.UpdateSrvShard(cell, "test_keyspace", "-10", &srvShard); err != nil {
t.Errorf("UpdateSrvShard(1): %v", err)
}
if _, err := ts.GetSrvShard(cell, "test_keyspace", "666"); err != topo.ErrNoNode {
t.Errorf("GetSrvShard(invalid): %v", err)
}
if s, err := ts.GetSrvShard(cell, "test_keyspace", "-10"); err != nil ||
len(s.ServedTypes) != 1 ||
s.ServedTypes[0] != topo.TYPE_MASTER ||
len(s.TabletTypes) != 2 ||
s.TabletTypes[0] != topo.TYPE_REPLICA ||
s.TabletTypes[1] != topo.TYPE_RDONLY {
t.Errorf("GetSrvShard(valid): %v", err)
}
// test cell/keyspace entries (SrvKeyspace)
srvKeyspace := topo.SrvKeyspace{
Partitions: map[topo.TabletType]*topo.KeyspacePartition{
topo.TYPE_MASTER: &topo.KeyspacePartition{
Shards: []topo.SrvShard{
topo.SrvShard{
ServedTypes: []topo.TabletType{topo.TYPE_MASTER},
},
},
},
},
TabletTypes: []topo.TabletType{topo.TYPE_MASTER},
ShardingColumnName: "video_id",
ShardingColumnType: key.KIT_UINT64,
ServedFrom: map[topo.TabletType]string{
topo.TYPE_REPLICA: "other_keyspace",
},
}
if err := ts.UpdateSrvKeyspace(cell, "test_keyspace", &srvKeyspace); err != nil {
t.Errorf("UpdateSrvKeyspace(1): %v", err)
}
if _, err := ts.GetSrvKeyspace(cell, "test_keyspace666"); err != topo.ErrNoNode {
t.Errorf("GetSrvKeyspace(invalid): %v", err)
}
if k, err := ts.GetSrvKeyspace(cell, "test_keyspace"); err != nil ||
len(k.TabletTypes) != 1 ||
k.TabletTypes[0] != topo.TYPE_MASTER ||
len(k.Partitions) != 1 ||
len(k.Partitions[topo.TYPE_MASTER].Shards) != 1 ||
len(k.Partitions[topo.TYPE_MASTER].Shards[0].ServedTypes) != 1 ||
k.Partitions[topo.TYPE_MASTER].Shards[0].ServedTypes[0] != topo.TYPE_MASTER ||
k.ShardingColumnName != "video_id" ||
k.ShardingColumnType != key.KIT_UINT64 ||
k.ServedFrom[topo.TYPE_REPLICA] != "other_keyspace" {
t.Errorf("GetSrvKeyspace(valid): %v %v", err, k)
}
if k, err := ts.GetSrvKeyspaceNames(cell); err != nil || len(k) != 1 || k[0] != "test_keyspace" {
t.Errorf("GetSrvKeyspaceNames(): %v", err)
}
// check that updating a SrvKeyspace out of the blue works
if err := ts.UpdateSrvKeyspace(cell, "unknown_keyspace_so_far", &srvKeyspace); err != nil {
t.Errorf("UpdateSrvKeyspace(2): %v", err)
}
if k, err := ts.GetSrvKeyspace(cell, "unknown_keyspace_so_far"); err != nil ||
len(k.TabletTypes) != 1 ||
k.TabletTypes[0] != topo.TYPE_MASTER ||
len(k.Partitions) != 1 ||
len(k.Partitions[topo.TYPE_MASTER].Shards) != 1 ||
len(k.Partitions[topo.TYPE_MASTER].Shards[0].ServedTypes) != 1 ||
k.Partitions[topo.TYPE_MASTER].Shards[0].ServedTypes[0] != topo.TYPE_MASTER ||
k.ShardingColumnName != "video_id" ||
k.ShardingColumnType != key.KIT_UINT64 ||
k.ServedFrom[topo.TYPE_REPLICA] != "other_keyspace" {
t.Errorf("GetSrvKeyspace(out of the blue): %v %v", err, *k)
}
}
// DbServingGraph returns the ServingGraph for the given cell.
func DbServingGraph(ts topo.Server, cell string) (servingGraph *ServingGraph) {
servingGraph = &ServingGraph{
Cell: cell,
Keyspaces: make(map[string]*KeyspaceNodes),
}
rec := concurrency.AllErrorRecorder{}
keyspaces, err := ts.GetSrvKeyspaceNames(cell)
if err != nil {
servingGraph.Errors = append(servingGraph.Errors, fmt.Sprintf("GetSrvKeyspaceNames failed: %v", err))
return
}
wg := sync.WaitGroup{}
servingTypes := []topo.TabletType{topo.TYPE_MASTER, topo.TYPE_REPLICA, topo.TYPE_RDONLY}
for _, keyspace := range keyspaces {
kn := newKeyspaceNodes()
servingGraph.Keyspaces[keyspace] = kn
wg.Add(1)
go func(keyspace string, kn *KeyspaceNodes) {
defer wg.Done()
ks, err := ts.GetSrvKeyspace(cell, keyspace)
if err != nil {
rec.RecordError(fmt.Errorf("GetSrvKeyspace(%v, %v) failed: %v", cell, keyspace, err))
return
}
kn.ServedFrom = ks.ServedFrom
displayedShards := make(map[string]bool)
for _, partitionTabletType := range servingTypes {
kp, ok := ks.Partitions[partitionTabletType]
if !ok {
continue
}
for _, srvShard := range kp.Shards {
shard := srvShard.ShardName()
if displayedShards[shard] {
continue
}
displayedShards[shard] = true
sn := &ShardNodes{
Name: shard,
TabletNodes: make(TabletNodesByType),
ServedTypes: srvShard.ServedTypes,
}
kn.ShardNodes = append(kn.ShardNodes, sn)
wg.Add(1)
go func(shard string, sn *ShardNodes) {
defer wg.Done()
tabletTypes, err := ts.GetSrvTabletTypesPerShard(cell, keyspace, shard)
if err != nil {
rec.RecordError(fmt.Errorf("GetSrvTabletTypesPerShard(%v, %v, %v) failed: %v", cell, keyspace, shard, err))
return
}
for _, tabletType := range tabletTypes {
endPoints, err := ts.GetEndPoints(cell, keyspace, shard, tabletType)
if err != nil {
rec.RecordError(fmt.Errorf("GetEndPoints(%v, %v, %v, %v) failed: %v", cell, keyspace, shard, tabletType, err))
continue
}
for _, endPoint := range endPoints.Entries {
sn.TabletNodes[tabletType] = append(sn.TabletNodes[tabletType], newTabletNodeFromEndPoint(endPoint, cell))
}
}
}(shard, sn)
}
}
}(keyspace, kn)
}
wg.Wait()
servingGraph.Errors = rec.ErrorStrings()
return
}