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Introduce TSO TestCluster in the test
Signed-off-by: JmPotato <ghzpotato@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,137 @@ | ||
| // Copyright 2023 TiKV Project Authors. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package mcs | ||
|
|
||
| import ( | ||
| "context" | ||
| "time" | ||
|
|
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| "github.com/stretchr/testify/require" | ||
| tso "github.com/tikv/pd/pkg/mcs/tso/server" | ||
| mcsutils "github.com/tikv/pd/pkg/mcs/utils" | ||
| "github.com/tikv/pd/pkg/utils/tempurl" | ||
| "github.com/tikv/pd/pkg/utils/testutil" | ||
| ) | ||
|
|
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| // TestCluster is a test cluster for TSO. | ||
| type TestCluster struct { | ||
| ctx context.Context | ||
|
|
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| backendEndpoints string | ||
| servers map[string]*tso.Server | ||
| cleanupFuncs map[string]testutil.CleanupFunc | ||
| } | ||
|
|
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| // NewTestTSOCluster creates a new TSO test cluster. | ||
| func NewTestTSOCluster(ctx context.Context, initialServerCount int, backendEndpoints string) (tc *TestCluster, err error) { | ||
| tc = &TestCluster{ | ||
| ctx: ctx, | ||
| backendEndpoints: backendEndpoints, | ||
| servers: make(map[string]*tso.Server, initialServerCount), | ||
| cleanupFuncs: make(map[string]testutil.CleanupFunc, initialServerCount), | ||
| } | ||
| for i := 0; i < initialServerCount; i++ { | ||
| err = tc.AddServer(tempurl.Alloc()) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| } | ||
| return tc, nil | ||
| } | ||
|
|
||
| // AddServer adds a new TSO server to the test cluster. | ||
| func (tc *TestCluster) AddServer(addr string) error { | ||
| cfg := tso.NewConfig() | ||
| cfg.BackendEndpoints = tc.backendEndpoints | ||
| cfg.ListenAddr = addr | ||
| cfg.Name = cfg.ListenAddr | ||
| generatedCfg, err := tso.GenerateConfig(cfg) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| err = initLogger(generatedCfg) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| server, cleanup, err := newTSOTestServer(tc.ctx, generatedCfg) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| tc.servers[generatedCfg.GetListenAddr()] = server | ||
| tc.cleanupFuncs[generatedCfg.GetListenAddr()] = cleanup | ||
| return nil | ||
| } | ||
|
|
||
| // Destroy stops and destroy the test cluster. | ||
| func (tc *TestCluster) Destroy() { | ||
| for _, cleanup := range tc.cleanupFuncs { | ||
| cleanup() | ||
| } | ||
| tc.cleanupFuncs = nil | ||
| tc.servers = nil | ||
| } | ||
|
|
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| // DestroyServer stops and destroy the test server by the given address. | ||
| func (tc *TestCluster) DestroyServer(addr string) { | ||
| tc.cleanupFuncs[addr]() | ||
| delete(tc.cleanupFuncs, addr) | ||
| delete(tc.servers, addr) | ||
| } | ||
|
|
||
| // GetPrimary returns the primary TSO server. | ||
| func (tc *TestCluster) GetPrimary(keyspaceID, keyspaceGroupID uint32) *tso.Server { | ||
| for _, server := range tc.servers { | ||
| if server.IsKeyspaceServing(keyspaceID, keyspaceGroupID) { | ||
| return server | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| // WaitForPrimaryServing waits for one of servers being elected to be the primary/leader of the given keyspace. | ||
| func (tc *TestCluster) WaitForPrimaryServing(re *require.Assertions, keyspaceID, keyspaceGroupID uint32) string { | ||
| var primary string | ||
| testutil.Eventually(re, func() bool { | ||
| for name, s := range tc.servers { | ||
| if s.IsKeyspaceServing(keyspaceID, keyspaceGroupID) { | ||
| primary = name | ||
| return true | ||
| } | ||
| } | ||
| return false | ||
| }, testutil.WithWaitFor(5*time.Second), testutil.WithTickInterval(50*time.Millisecond)) | ||
|
|
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| return primary | ||
| } | ||
|
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| // WaitForDefaultPrimaryServing waits for one of servers being elected to be the primary/leader of the default keyspace. | ||
| func (tc *TestCluster) WaitForDefaultPrimaryServing(re *require.Assertions) string { | ||
| return tc.WaitForPrimaryServing(re, mcsutils.DefaultKeyspaceID, mcsutils.DefaultKeyspaceGroupID) | ||
| } | ||
|
|
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| // GetServer returns the TSO server by the given address. | ||
| func (tc *TestCluster) GetServer(addr string) *tso.Server { | ||
| for srvAddr, server := range tc.servers { | ||
| if srvAddr == addr { | ||
| return server | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| // GetServers returns all TSO servers. | ||
| func (tc *TestCluster) GetServers() map[string]*tso.Server { | ||
| return tc.servers | ||
| } |
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