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Golang Server.GetSrvShard方法代码示例

本文整理汇总了Golang中github.com/youtube/vitess/go/vt/topo.Server.GetSrvShard方法的典型用法代码示例。如果您正苦于以下问题：Golang Server.GetSrvShard方法的具体用法？Golang Server.GetSrvShard怎么用？Golang Server.GetSrvShard使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/youtube/vitess/go/vt/topo.Server的用法示例。


在下文中一共展示了Server.GetSrvShard方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。

示例1: CheckServingGraph

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.DeleteSrvTabletType(cell, "test_keyspace", "-10", topo.TYPE_REPLICA); err != topo.ErrNoNode {
		t.Errorf("DeleteSrvTabletType(unknown): %v", err)
	}
	if err := ts.DeleteSrvTabletType(cell, "test_keyspace", "-10", topo.TYPE_MASTER); err != nil {
		t.Errorf("DeleteSrvTabletType(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},
	}
	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)
//.........这里部分代码省略.........
开发者ID:CERN-Stage-3，项目名称:vitess，代码行数:101，代码来源:serving.go

示例2: CheckServingGraph

// CheckServingGraph makes sure the serving graph functions work properly.
func CheckServingGraph(ctx context.Context, t *testing.T, ts topo.Server) {
	cell := getLocalCell(ctx, t, ts)

	// test individual cell/keyspace/shard/type entries
	if _, err := ts.GetSrvTabletTypesPerShard(ctx, cell, "test_keyspace", "-10"); err != topo.ErrNoNode {
		t.Errorf("GetSrvTabletTypesPerShard(invalid): %v", err)
	}
	if _, _, err := ts.GetEndPoints(ctx, cell, "test_keyspace", "-10", topo.TYPE_MASTER); err != topo.ErrNoNode {
		t.Errorf("GetEndPoints(invalid): %v", err)
	}

	endPoints := &pb.EndPoints{
		Entries: []*pb.EndPoint{
			&pb.EndPoint{
				Uid:  1,
				Host: "host1",
				PortMap: map[string]int32{
					"vt":    1234,
					"mysql": 1235,
					"grpc":  1236,
				},
			},
		},
	}

	if err := ts.CreateEndPoints(ctx, cell, "test_keyspace", "-10", topo.TYPE_MASTER, endPoints); err != nil {
		t.Fatalf("CreateEndPoints(master): %v", err)
	}
	// Try to create again.
	if err := ts.CreateEndPoints(ctx, cell, "test_keyspace", "-10", topo.TYPE_MASTER, endPoints); err != topo.ErrNodeExists {
		t.Fatalf("CreateEndPoints(master): err = %v, want topo.ErrNodeExists", err)
	}

	// Get version.
	_, version, err := ts.GetEndPoints(ctx, cell, "test_keyspace", "-10", topo.TYPE_MASTER)
	if err != nil {
		t.Fatalf("GetEndPoints(master): %v", err)
	}
	// Make a change.
	tmp := endPoints.Entries[0].Uid
	endPoints.Entries[0].Uid = tmp + 1
	if err := topo.UpdateEndPoints(ctx, ts, cell, "test_keyspace", "-10", topo.TYPE_MASTER, endPoints, -1); err != nil {
		t.Fatalf("UpdateEndPoints(master): %v", err)
	}
	endPoints.Entries[0].Uid = tmp
	// Try to delete with the wrong version.
	if err := ts.DeleteEndPoints(ctx, cell, "test_keyspace", "-10", topo.TYPE_MASTER, version); err != topo.ErrBadVersion {
		t.Fatalf("DeleteEndPoints: err = %v, want topo.ErrBadVersion", err)
	}
	// Delete with the correct version.
	_, version, err = ts.GetEndPoints(ctx, cell, "test_keyspace", "-10", topo.TYPE_MASTER)
	if err != nil {
		t.Fatalf("GetEndPoints(master): %v", err)
	}
	if err := ts.DeleteEndPoints(ctx, cell, "test_keyspace", "-10", topo.TYPE_MASTER, version); err != nil {
		t.Fatalf("DeleteEndPoints: %v", err)
	}
	// Recreate it with an unconditional update.
	if err := topo.UpdateEndPoints(ctx, ts, cell, "test_keyspace", "-10", topo.TYPE_MASTER, endPoints, -1); err != nil {
		t.Fatalf("UpdateEndPoints(master): %v", err)
	}

	if types, err := ts.GetSrvTabletTypesPerShard(ctx, cell, "test_keyspace", "-10"); err != nil || len(types) != 1 || types[0] != topo.TYPE_MASTER {
		t.Errorf("GetSrvTabletTypesPerShard(1): %v %v", err, types)
	}

	// Delete it unconditionally.
	if err := ts.DeleteEndPoints(ctx, cell, "test_keyspace", "-10", topo.TYPE_MASTER, -1); err != nil {
		t.Fatalf("DeleteEndPoints: %v", err)
	}

	// Delete the SrvShard.
	if err := ts.DeleteSrvShard(ctx, cell, "test_keyspace", "-10"); err != nil {
		t.Fatalf("DeleteSrvShard: %v", err)
	}
	if _, err := ts.GetSrvShard(ctx, cell, "test_keyspace", "-10"); err != topo.ErrNoNode {
		t.Errorf("GetSrvShard(deleted) got %v, want ErrNoNode", err)
	}

	// Re-add endpoints.
	if err := topo.UpdateEndPoints(ctx, ts, cell, "test_keyspace", "-10", topo.TYPE_MASTER, endPoints, -1); err != nil {
		t.Fatalf("UpdateEndPoints(master): %v", err)
	}

	addrs, version, err := ts.GetEndPoints(ctx, 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].PortMap; pm["vt"] != 1234 || pm["mysql"] != 1235 || pm["grpc"] != 1236 {
		t.Errorf("GetSrcTabletType(1).PortMap: want %v, got %v", endPoints.Entries[0].PortMap, pm)
	}

	// Update with the wrong version.
	if err := topo.UpdateEndPoints(ctx, ts, cell, "test_keyspace", "-10", topo.TYPE_MASTER, endPoints, version+1); err != topo.ErrBadVersion {
		t.Fatalf("UpdateEndPoints(master): err = %v, want topo.ErrBadVersion", err)
	}
//.........这里部分代码省略.........
开发者ID:haoqoo，项目名称:vitess，代码行数:101，代码来源:serving.go


注：本文中的github.com/youtube/vitess/go/vt/topo.Server.GetSrvShard方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。