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176 lines
4.0 KiB
176 lines
4.0 KiB
// Copyright 2020 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package infosync
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"os"
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"path"
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"reflect"
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"testing"
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"time"
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. "github.com/pingcap/check"
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"github.com/pingcap/failpoint"
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"github.com/pingcap/tidb/ddl/util"
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"github.com/pingcap/tidb/owner"
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"go.etcd.io/etcd/integration"
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)
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func (is *InfoSyncer) getTopologyFromEtcd(ctx context.Context) (*topologyInfo, error) {
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key := fmt.Sprintf("%s/%s:%v/info", TopologyInformationPath, is.info.IP, is.info.Port)
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resp, err := is.etcdCli.Get(ctx, key)
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if err != nil {
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return nil, err
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}
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if len(resp.Kvs) == 0 {
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return nil, errors.New("not-exists")
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}
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if len(resp.Kvs) != 1 {
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return nil, errors.New("resp.Kvs error")
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}
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var ret topologyInfo
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err = json.Unmarshal(resp.Kvs[0].Value, &ret)
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if err != nil {
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return nil, err
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}
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return &ret, nil
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}
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func (is *InfoSyncer) ttlKeyExists(ctx context.Context) (bool, error) {
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key := fmt.Sprintf("%s/%s:%v/ttl", TopologyInformationPath, is.info.IP, is.info.Port)
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resp, err := is.etcdCli.Get(ctx, key)
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if err != nil {
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return false, err
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}
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if len(resp.Kvs) >= 2 {
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return false, errors.New("too many arguments in resp.Kvs")
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}
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return len(resp.Kvs) == 1, nil
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}
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func TestT(t *testing.T) {
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CustomVerboseFlag = true
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TestingT(t)
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}
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var _ = Suite(&testSuite{})
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type testSuite struct {
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}
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func TestTopology(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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currentID := "test"
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clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
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defer clus.Terminate(t)
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cli := clus.RandClient()
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failpoint.Enable("github.com/pingcap/tidb/domain/infosync/mockServerInfo", "return(true)")
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defer failpoint.Disable("github.com/pingcap/tidb/domain/infosync/mockServerInfo")
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info, err := GlobalInfoSyncerInit(ctx, currentID, cli, false)
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if err != nil {
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t.Fatal(err)
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}
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err = info.newTopologySessionAndStoreServerInfo(ctx, owner.NewSessionDefaultRetryCnt)
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if err != nil {
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t.Fatal(err)
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}
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topo, err := info.getTopologyFromEtcd(ctx)
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if err != nil {
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t.Fatal(err)
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}
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if topo.StartTimestamp != 1282967700000 {
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t.Fatal("start_timestamp of topology info does not match")
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}
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if !reflect.DeepEqual(*topo, info.getTopologyInfo()) {
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t.Fatal("the info in etcd is not match with info.")
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}
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nonTTLKey := fmt.Sprintf("%s/%s:%v/info", TopologyInformationPath, info.info.IP, info.info.Port)
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ttlKey := fmt.Sprintf("%s/%s:%v/ttl", TopologyInformationPath, info.info.IP, info.info.Port)
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err = util.DeleteKeyFromEtcd(nonTTLKey, cli, owner.NewSessionDefaultRetryCnt, time.Second)
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if err != nil {
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t.Fatal(err)
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}
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// Refresh and re-test if the key exists
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err = info.RestartTopology(ctx)
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if err != nil {
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t.Fatal(err)
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}
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topo, err = info.getTopologyFromEtcd(ctx)
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if err != nil {
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t.Fatal(err)
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}
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s, err := os.Executable()
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if err != nil {
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t.Fatal(err)
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}
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dir := path.Dir(s)
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if topo.DeployPath != dir {
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t.Fatal("DeployPath not match expected path")
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}
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if topo.StartTimestamp != 1282967700000 {
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t.Fatal("start_timestamp of topology info does not match")
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}
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if !reflect.DeepEqual(*topo, info.getTopologyInfo()) {
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t.Fatal("the info in etcd is not match with info.")
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}
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// check ttl key
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ttlExists, err := info.ttlKeyExists(ctx)
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if err != nil {
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t.Fatal(err)
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}
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if !ttlExists {
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t.Fatal("ttl non-exists")
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}
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err = util.DeleteKeyFromEtcd(ttlKey, cli, owner.NewSessionDefaultRetryCnt, time.Second)
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if err != nil {
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t.Fatal(err)
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}
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err = info.updateTopologyAliveness(ctx)
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if err != nil {
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t.Fatal(err)
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}
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ttlExists, err = info.ttlKeyExists(ctx)
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if err != nil {
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t.Fatal(err)
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}
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if !ttlExists {
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t.Fatal("ttl non-exists")
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}
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}
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