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Golang Impl.DeleteEndPoints方法代碼示例

本文整理匯總了Golang中github.com/youtube/vitess/go/vt/topo.Impl.DeleteEndPoints方法的典型用法代碼示例。如果您正苦於以下問題:Golang Impl.DeleteEndPoints方法的具體用法?Golang Impl.DeleteEndPoints怎麽用?Golang Impl.DeleteEndPoints使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在github.com/youtube/vitess/go/vt/topo.Impl的用法示例。


在下文中一共展示了Impl.DeleteEndPoints方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: CheckServingGraph

// CheckServingGraph makes sure the serving graph functions work properly.
func CheckServingGraph(ctx context.Context, t *testing.T, ts topo.Impl) {
	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", topodatapb.TabletType_MASTER); err != topo.ErrNoNode {
		t.Errorf("GetEndPoints(invalid): %v", err)
	}

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

	if err := ts.CreateEndPoints(ctx, cell, "test_keyspace", "-10", topodatapb.TabletType_MASTER, endPoints); err != nil {
		t.Fatalf("CreateEndPoints(master): %v", err)
	}
	// Try to create again.
	if err := ts.CreateEndPoints(ctx, cell, "test_keyspace", "-10", topodatapb.TabletType_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", topodatapb.TabletType_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 := ts.UpdateEndPoints(ctx, cell, "test_keyspace", "-10", topodatapb.TabletType_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", topodatapb.TabletType_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", topodatapb.TabletType_MASTER)
	if err != nil {
		t.Fatalf("GetEndPoints(master): %v", err)
	}
	if err := ts.DeleteEndPoints(ctx, cell, "test_keyspace", "-10", topodatapb.TabletType_MASTER, version); err != nil {
		t.Fatalf("DeleteEndPoints: %v", err)
	}
	// Recreate it with an unconditional update.
	if err := ts.UpdateEndPoints(ctx, cell, "test_keyspace", "-10", topodatapb.TabletType_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] != topodatapb.TabletType_MASTER {
		t.Errorf("GetSrvTabletTypesPerShard(1): %v %v", err, types)
	}

	// Delete it unconditionally.
	if err := ts.DeleteEndPoints(ctx, cell, "test_keyspace", "-10", topodatapb.TabletType_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 := ts.UpdateEndPoints(ctx, cell, "test_keyspace", "-10", topodatapb.TabletType_MASTER, endPoints, -1); err != nil {
		t.Fatalf("UpdateEndPoints(master): %v", err)
	}

	addrs, version, err := ts.GetEndPoints(ctx, cell, "test_keyspace", "-10", topodatapb.TabletType_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 := ts.UpdateEndPoints(ctx, cell, "test_keyspace", "-10", topodatapb.TabletType_MASTER, endPoints, version+1); err != topo.ErrBadVersion {
		t.Fatalf("UpdateEndPoints(master): err = %v, want topo.ErrBadVersion", err)
	}
//.........這裏部分代碼省略.........
開發者ID:BobbWu,項目名稱:vitess,代碼行數:101,代碼來源:serving.go


注:本文中的github.com/youtube/vitess/go/vt/topo.Impl.DeleteEndPoints方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。