Files
oceanbase/unittest/logservice/test_ob_election_with_priority.cpp
2023-06-05 08:50:59 +00:00

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// Copyright (c) 2021 OceanBase
// OceanBase is licensed under Mulan PubL v2.
// You can use this software according to the terms and conditions of the Mulan PubL v2.
// You may obtain a copy of Mulan PubL v2 at:
// http://license.coscl.org.cn/MulanPubL-2.0
// THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
// EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
// MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
// See the Mulan PubL v2 for more details.
#include <gtest/gtest.h>
#include <gmock/gmock.h>
#define private public
#define protected public
#include "logservice/leader_coordinator/ob_failure_detector.h"
#include "common/ob_role.h"
#include "lib/list/ob_dlist.h"
#include "logservice/leader_coordinator/failure_event.h"
#include "logservice/palf/election/interface/election_msg_handler.h"
#include <algorithm>
#include <atomic>
#include <chrono>
#include "logservice/palf/election/interface/election.h"
#include "logservice/palf/log_meta_info.h"
#define UNITTEST
#include "logservice/palf/election/utils/election_common_define.h"
#include "logservice/palf/election/algorithm/election_impl.h"
#include "logservice/leader_coordinator/election_priority_impl/election_priority_impl.h"
#include "share/ob_occam_timer.h"
#include "share/rc/ob_tenant_base.h"
#include "mock_logservice_container/mock_election_user.h"
#include "observer/ob_server.h"
#include <iostream>
#include <vector>
using namespace oceanbase::obrpc;
using namespace std;
#define SUCC_(stmt) ASSERT_EQ((stmt), OB_SUCCESS)
#define FAIL_(stmt) ASSERT_EQ((stmt), OB_FAIL)
#define TRUE_(stmt) ASSERT_EQ((stmt), true)
#define FALSE_(stmt) ASSERT_EQ((stmt), false)
namespace oceanbase
{
namespace palf
{
namespace election
{
int EventRecorder::report_event_(ElectionEventType, const common::ObString &)
{
return OB_SUCCESS;
}
}
}
namespace logservice
{
namespace coordinator
{
int PriorityV0::refresh_(const share::ObLSID &)
{
return OB_SUCCESS;
}
int PriorityV1::refresh_(const share::ObLSID &)
{
return OB_SUCCESS;
}
}
}
namespace unittest {
using namespace common;
using namespace palf::election;
using namespace std;
using namespace logservice::coordinator;
int64_t MSG_DELAY = 1_ms;
std::atomic_int leader_takeover_times(0);
std::atomic_int leader_revoke_times(0);
std::atomic_int devote_to_be_leader_count(0);
std::atomic_int lease_expired_to_be_follower_count(0);
std::atomic_int change_leader_to_be_leader_count(0);
std::atomic_int change_leader_to_be_follower_count(0);
std::atomic_int stop_to_be_follower_count(0);
std::atomic_bool change_leader_from_prepare_change_leader_cb(false);
MockNetService GlobalNetService;
ObOccamThreadPool thread_pool;
ObOccamTimer timer;
void reset_global_status()
{
leader_takeover_times = 0;
leader_revoke_times = 0;
devote_to_be_leader_count = 0;
lease_expired_to_be_follower_count = 0;
change_leader_to_be_leader_count = 0;
change_leader_to_be_follower_count = 0;
stop_to_be_follower_count = 0;
}
class TestElectionWithPriority : public ::testing::Test {
public:
TestElectionWithPriority() {}
~TestElectionWithPriority() {}
virtual void SetUp() {
MAX_TST = 100_ms;
change_leader_from_prepare_change_leader_cb = false;
oceanbase::common::ObClusterVersion::get_instance().cluster_version_ = CLUSTER_VERSION_4_0_0_0;
share::ObTenantSwitchGuard guard;
guard.switch_to(OB_SYS_TENANT_ID);
GlobalNetService.clear();
reset_global_status();
new(&thread_pool) ObOccamThreadPool();
new(&timer) ObOccamTimer();
thread_pool.init_and_start(5);
timer.init_and_start(thread_pool, 1_ms, "timer");
}
virtual void TearDown() { timer.~ObOccamTimer(); thread_pool.~ObOccamThreadPool(); }
};
template <typename TAKEOVER_OP>
vector<ElectionImpl *> create_election_group(vector<ElectionPriorityImpl> &v_pri, TAKEOVER_OP &&op, const vector<int> &v_port = {})
{
vector<ElectionImpl *> v;
int election_num = v_pri.size();
MemberList member_list;
ObArray<ObAddr> addr_list;
static int port = 1;
if (v_port.empty())
for (int i = 0; i < election_num; ++i)
addr_list.push_back(ObAddr(ObAddr::VER::IPV4, "127.0.0.1", port + i));
else
for (int port : v_port)
addr_list.push_back(ObAddr(ObAddr::VER::IPV4, "127.0.0.1", port));
palf::LogConfigVersion version;
version.proposal_id_ = 1;
version.config_seq_ = 1;
member_list.set_new_member_list(addr_list, version, election_num);
int ret = OB_SUCCESS;
for (int i = 0; i < election_num; ++i) {
ElectionImpl *election = new ElectionImpl();
election->self_addr_ = ObAddr(ObAddr::VER::IPV4, "127.0.0.1", addr_list[i].port_);
v.push_back(election);
}
for (auto &election_1 : v) {
for (auto &election_2 : v) {
GlobalNetService.connect(election_1, election_2);
}
}
int index = 0;
for (auto &election : v) {
ret = election->init_and_start(
1,
&timer,
&GlobalNetService,
election->self_addr_,
true,
1,
[election](int64_t, const ObAddr &dest_addr) {
change_leader_from_prepare_change_leader_cb = true;
THREAD_POOL.commit_task_ignore_ret([election, dest_addr]() { election->change_leader_to(dest_addr); });
return OB_SUCCESS;
},
[op, ret](Election *election, ObRole before, ObRole after, RoleChangeReason reason) {
if (before == ObRole::FOLLOWER && after == ObRole::LEADER) {
ELECT_LOG(INFO, "i become LEADER", K(obj_to_string(reason)), KPC(election));
op();
} else if (before == ObRole::LEADER && after == ObRole::FOLLOWER) {
ELECT_LOG(INFO, "i become FOLLOWER", K(obj_to_string(reason)), KPC(election));
} else {
ELECT_LOG(ERROR, "i don't know why call me");
}
switch (reason) {
case RoleChangeReason::DevoteToBeLeader:
devote_to_be_leader_count++;
leader_takeover_times++;
break;
case RoleChangeReason::LeaseExpiredToRevoke:
lease_expired_to_be_follower_count++;
leader_revoke_times++;
break;
case RoleChangeReason::ChangeLeaderToBeLeader:
change_leader_to_be_leader_count++;
leader_takeover_times++;
break;
case RoleChangeReason::ChangeLeaderToRevoke:
change_leader_to_be_follower_count++;
leader_revoke_times++;
break;
case RoleChangeReason::StopToRevoke:
stop_to_be_follower_count++;
leader_revoke_times++;
break;
default:
ELECT_LOG(ERROR, "should not go here");
}
}
);
assert(ret == OB_SUCCESS);
election->set_priority(&v_pri[index]);
ret = election->set_memberlist(member_list);
assert(ret == OB_SUCCESS);
index++;
}
port += election_num;
return v;
}
void init_pri(ElectionPriorityImpl &pri)
{
pri.priority_tuple_.element<1>().is_valid_ = true;
pri.priority_tuple_.element<1>().is_primary_region_ = true;
pri.priority_tuple_.element<1>().scn_.set_base();
pri.priority_tuple_.element<1>().zone_priority_ = 0;
}
TEST_F(TestElectionWithPriority, elect_leader_because_primary_region_and_change_leader_bacause_zone_priority) {
vector<ElectionPriorityImpl> v_pri(3);
for (auto &pri : v_pri)
init_pri(pri);
v_pri[0].priority_tuple_.element<1>().is_primary_region_ = false;
auto election_group = create_election_group(v_pri, [](){});
this_thread::sleep_for(chrono::seconds(5));// 等待选出第一任Leader
ASSERT_EQ(election_group[1]->proposer_.role_, ObRole::LEADER);
ASSERT_EQ(leader_takeover_times, 1);
ASSERT_EQ(leader_revoke_times, 0);
ASSERT_EQ(devote_to_be_leader_count, 1);
ASSERT_EQ(lease_expired_to_be_follower_count, 0);
ASSERT_EQ(change_leader_to_be_leader_count, 0);
ASSERT_EQ(change_leader_to_be_follower_count, 0);
ASSERT_EQ(stop_to_be_follower_count, 0);
v_pri[1].priority_tuple_.element<1>().zone_priority_ = 1;// 1的zone priority会降低,Leader自动切换至2
this_thread::sleep_for(chrono::seconds(1));// 等待选出第二任Leader
ASSERT_EQ(election_group[2]->proposer_.role_, ObRole::LEADER);
ASSERT_EQ(leader_takeover_times, 2);
ASSERT_EQ(leader_revoke_times, 1);
ASSERT_EQ(devote_to_be_leader_count, 1);
ASSERT_EQ(lease_expired_to_be_follower_count, 0);
ASSERT_EQ(change_leader_to_be_leader_count, 1);
ASSERT_EQ(change_leader_to_be_follower_count, 1);
ASSERT_EQ(stop_to_be_follower_count, 0);
for (auto &election : election_group)
election->stop();
this_thread::sleep_for(chrono::seconds(1));
for (auto &election : election_group)
delete election;
ASSERT_EQ(leader_takeover_times, 2);
ASSERT_EQ(leader_revoke_times, 2);
ASSERT_EQ(devote_to_be_leader_count, 1);
ASSERT_EQ(lease_expired_to_be_follower_count, 0);
ASSERT_EQ(change_leader_to_be_leader_count, 1);
ASSERT_EQ(change_leader_to_be_follower_count, 1);
ASSERT_EQ(stop_to_be_follower_count, 1);
ASSERT_EQ(change_leader_from_prepare_change_leader_cb, true);
}
TEST_F(TestElectionWithPriority, not_change_leader_because_follower_memership_version_not_update_enough_and_change_leader_later_when_follwer_membership_version_update_endough) {
vector<ElectionPriorityImpl> v_pri(3);
for (auto &pri : v_pri)
init_pri(pri);
auto election_group = create_election_group(v_pri, [](){});
// 0的IP-PORT最小,但因为membership version的原因,1会当选Leader
election_group[1]->proposer_.memberlist_with_states_.p_impl_->member_list_.membership_version_.config_seq_ += 1;
this_thread::sleep_for(chrono::seconds(5));// 等待选出第一任Leader
ASSERT_EQ(election_group[1]->proposer_.role_, ObRole::LEADER);
ASSERT_EQ(leader_takeover_times, 1);
ASSERT_EQ(leader_revoke_times, 0);
ASSERT_EQ(devote_to_be_leader_count, 1);
ASSERT_EQ(lease_expired_to_be_follower_count, 0);
ASSERT_EQ(change_leader_to_be_leader_count, 0);
ASSERT_EQ(change_leader_to_be_follower_count, 0);
ASSERT_EQ(stop_to_be_follower_count, 0);
// 0的membership version追上来了,但是并不会触发切主,尽管它的IP-PORT更小,但是优先级字段同Leader相同
election_group[0]->proposer_.memberlist_with_states_.p_impl_->member_list_.membership_version_.config_seq_ += 1;
this_thread::sleep_for(chrono::seconds(1));// 等待切主
ASSERT_EQ(election_group[1]->proposer_.role_, ObRole::LEADER);
ASSERT_EQ(leader_takeover_times, 1);
ASSERT_EQ(leader_revoke_times, 0);
ASSERT_EQ(devote_to_be_leader_count, 1);
ASSERT_EQ(lease_expired_to_be_follower_count, 0);
ASSERT_EQ(change_leader_to_be_leader_count, 0);
ASSERT_EQ(change_leader_to_be_follower_count, 0);
ASSERT_EQ(stop_to_be_follower_count, 0);
// 1的membership version再加1,同时让2的log_ts超过比较阈值
election_group[1]->proposer_.memberlist_with_states_.p_impl_->member_list_.membership_version_.config_seq_ += 1;
v_pri[2].priority_tuple_.element<1>().scn_.convert_for_logservice(100 * 1000 * 1000 * 1000L);// 此时并不会触发切主
this_thread::sleep_for(chrono::seconds(1));// 等待切主
ASSERT_EQ(election_group[1]->proposer_.role_, ObRole::LEADER);
ASSERT_EQ(leader_takeover_times, 1);
ASSERT_EQ(leader_revoke_times, 0);
ASSERT_EQ(devote_to_be_leader_count, 1);
ASSERT_EQ(lease_expired_to_be_follower_count, 0);
ASSERT_EQ(change_leader_to_be_leader_count, 0);
ASSERT_EQ(change_leader_to_be_follower_count, 0);
ASSERT_EQ(stop_to_be_follower_count, 0);
// 2的membership version追上Leader后触发切主
election_group[2]->proposer_.memberlist_with_states_.p_impl_->member_list_.membership_version_.config_seq_ += 2;
this_thread::sleep_for(chrono::seconds(1));// 等待切主
ASSERT_EQ(election_group[2]->proposer_.role_, ObRole::LEADER);
ASSERT_EQ(leader_takeover_times, 2);
ASSERT_EQ(leader_revoke_times, 1);
ASSERT_EQ(devote_to_be_leader_count, 1);
ASSERT_EQ(lease_expired_to_be_follower_count, 0);
ASSERT_EQ(change_leader_to_be_leader_count, 1);
ASSERT_EQ(change_leader_to_be_follower_count, 1);
ASSERT_EQ(stop_to_be_follower_count, 0);
for (auto &election : election_group)
election->stop();
this_thread::sleep_for(chrono::seconds(1));
for (auto &election : election_group)
delete election;
ASSERT_EQ(leader_takeover_times, 2);
ASSERT_EQ(leader_revoke_times, 2);
ASSERT_EQ(devote_to_be_leader_count, 1);
ASSERT_EQ(lease_expired_to_be_follower_count, 0);
ASSERT_EQ(change_leader_to_be_leader_count, 1);
ASSERT_EQ(change_leader_to_be_follower_count, 1);
ASSERT_EQ(stop_to_be_follower_count, 1);
ASSERT_EQ(change_leader_from_prepare_change_leader_cb, true);
}
TEST_F(TestElectionWithPriority, meet_fatal_failure)
{
vector<ElectionPriorityImpl> v_pri(3);
for (auto &pri : v_pri)
init_pri(pri);
v_pri[0].priority_tuple_.element<1>().zone_priority_ = 0;
v_pri[1].priority_tuple_.element<1>().zone_priority_ = 1;
v_pri[2].priority_tuple_.element<1>().zone_priority_ = 2;
auto election_group = create_election_group(v_pri, [](){});
this_thread::sleep_for(chrono::seconds(5));// 等待选出第一任Leader
ASSERT_EQ(election_group[0]->proposer_.role_, ObRole::LEADER);
ASSERT_EQ(leader_takeover_times, 1);
ASSERT_EQ(leader_revoke_times, 0);
ASSERT_EQ(devote_to_be_leader_count, 1);
ASSERT_EQ(lease_expired_to_be_follower_count, 0);
ASSERT_EQ(change_leader_to_be_leader_count, 0);
ASSERT_EQ(change_leader_to_be_follower_count, 0);
ASSERT_EQ(stop_to_be_follower_count, 0);
FailureEvent event(FailureType::PROCESS_HANG, FailureModule::LOG, FailureLevel::FATAL);
event.set_info("test");
ASSERT_EQ(OB_SUCCESS, v_pri[0].priority_tuple_.element<1>().fatal_failures_.push_back(event));
ELECT_LOG(INFO, "add fatal failure");
this_thread::sleep_for(chrono::seconds(5));// 等待切主
ASSERT_EQ(election_group[1]->proposer_.role_, ObRole::LEADER);
ASSERT_EQ(leader_takeover_times, 2);
ASSERT_EQ(leader_revoke_times, 1);
ASSERT_EQ(devote_to_be_leader_count, 1);
ASSERT_EQ(lease_expired_to_be_follower_count, 0);
ASSERT_EQ(change_leader_to_be_leader_count, 1);
ASSERT_EQ(change_leader_to_be_follower_count, 1);
ASSERT_EQ(stop_to_be_follower_count, 0);
for (auto &election : election_group)
election->stop();
this_thread::sleep_for(chrono::seconds(1));
for (auto &election : election_group)
delete election;
ASSERT_EQ(change_leader_from_prepare_change_leader_cb, false);
}
}
}
namespace oceanbase
{
namespace palf
{
namespace election
{
uint64_t ElectionImpl::get_ls_biggest_min_cluster_version_ever_seen_() const// 让port=5555的副本认为自己是A副本
{
#define PRINT_WRAPPER K(*this)
int ret = OB_SUCCESS;
uint64_t ls_biggest_min_cluster_version_ever_seen = 0;
//if (observer::ObServer::get_instance().is_arbitration_mode()) {
if (observer::ObServer::get_instance().is_arbitration_mode() || self_addr_.port_ == 5555) {
if (CLUSTER_CURRENT_VERSION < ls_biggest_min_cluster_version_ever_seen_.version_) {
ret = OB_ERR_UNEXPECTED;
LOG_NONE(ERROR, "ls_biggest_min_cluster_version_ever_seen_ less than arb binary version");
} else if (ls_biggest_min_cluster_version_ever_seen_.version_ == 0) {
LOG_NONE(WARN, "ls_biggest_min_cluster_version_ever_seen_ not setted yet");
}
ls_biggest_min_cluster_version_ever_seen = ls_biggest_min_cluster_version_ever_seen_.version_;
} else {
ls_biggest_min_cluster_version_ever_seen = std::max(GET_MIN_CLUSTER_VERSION(),
ls_biggest_min_cluster_version_ever_seen_.version_);
}
return ls_biggest_min_cluster_version_ever_seen;
#undef PRINT_WRAPPER
}
}
}
namespace unittest
{
TEST_F(TestElectionWithPriority, arb_server_split_vote_cause_not_set_priority)// 复现仲裁bug场景
{
// oceanbase::common::ObClusterVersion::get_instance().cluster_version_ = CLUSTER_VERSION_3_2_3_0;// 此时采用V0版本的优先级逻辑比较,投给IP
vector<ElectionPriorityImpl> v_pri(4);
for (auto &pri : v_pri)
init_pri(pri);
v_pri[0].priority_tuple_.element<1>().zone_priority_ = 3;//F
v_pri[1].priority_tuple_.element<1>().zone_priority_ = 2;//F
v_pri[2].priority_tuple_.element<1>().zone_priority_ = 1;//F
v_pri[3].priority_tuple_.element<1>().zone_priority_ = 0;//A
auto election_group = create_election_group(v_pri, [](){}, {1,2,3,5555/*仲裁*/});
election_group[0]->stop();// kill掉一个,还有2F1A
election_group[3]->set_inner_priority_seed(0ULL | static_cast<uint64_t>(palf::election::PRIORITY_SEED_BIT::SEED_NOT_NORMOL_REPLICA_BIT));
election_group[3]->reset_priority();// 移除优先级,模拟A副本,会投票给IP最小的副本
this_thread::sleep_for(chrono::seconds(5));// 等待选出第一任Leader
ASSERT_EQ(election_group[1]->proposer_.role_, ObRole::FOLLOWER);
ASSERT_EQ(election_group[2]->proposer_.role_, ObRole::FOLLOWER);
ASSERT_EQ(election_group[3]->proposer_.role_, ObRole::FOLLOWER);
ASSERT_EQ(leader_takeover_times, 0);
ASSERT_EQ(leader_revoke_times, 0);
ASSERT_EQ(devote_to_be_leader_count, 0);
ASSERT_EQ(lease_expired_to_be_follower_count, 0);
ASSERT_EQ(change_leader_to_be_leader_count, 0);
ASSERT_EQ(change_leader_to_be_follower_count, 0);
ASSERT_EQ(stop_to_be_follower_count, 0);
for (auto &election : election_group)
election->stop();
this_thread::sleep_for(chrono::seconds(1));
for (auto &election : election_group)
delete election;
}
TEST_F(TestElectionWithPriority, arb_server_won_t_split_vote_cause_set_priority)// 测试修复后的行为
{
oceanbase::common::ObClusterVersion::get_instance().cluster_version_ = CLUSTER_VERSION_3_2_3_0;// 此时采用V0版本的优先级逻辑比较,投给port_number_较大的副本
vector<ElectionPriorityImpl> v_pri(4);
for (auto &pri : v_pri)
init_pri(pri);
// 优先级V0
v_pri[0].priority_tuple_.element<0>().port_number_ = 3;//F
v_pri[1].priority_tuple_.element<0>().port_number_ = 2;//F
v_pri[2].priority_tuple_.element<0>().port_number_ = 1;//F
v_pri[3].priority_tuple_.element<0>().port_number_ = 0;//A
// 优先级V1
v_pri[0].priority_tuple_.element<1>().zone_priority_ = 3;//F
v_pri[1].priority_tuple_.element<1>().zone_priority_ = 2;//F
v_pri[2].priority_tuple_.element<1>().zone_priority_ = 1;//F
v_pri[3].priority_tuple_.element<1>().zone_priority_ = 0;//A
auto election_group = create_election_group(v_pri, [](){}, {1,2,3,5555/*仲裁*/});
election_group[0]->stop();// kill掉一个,还有2F1A
election_group[3]->set_inner_priority_seed(0ULL | static_cast<uint64_t>(palf::election::PRIORITY_SEED_BIT::SEED_NOT_NORMOL_REPLICA_BIT));
this_thread::sleep_for(chrono::seconds(5));// 等待选出第一任Leader
ASSERT_EQ(election_group[1]->proposer_.role_, ObRole::LEADER);
ASSERT_EQ(election_group[2]->proposer_.role_, ObRole::FOLLOWER);
ASSERT_EQ(election_group[3]->proposer_.role_, ObRole::FOLLOWER);
ASSERT_EQ(leader_takeover_times, 1);
ASSERT_EQ(leader_revoke_times, 0);
ASSERT_EQ(devote_to_be_leader_count, 1);
ASSERT_EQ(lease_expired_to_be_follower_count, 0);
ASSERT_EQ(change_leader_to_be_leader_count, 0);
ASSERT_EQ(change_leader_to_be_follower_count, 0);
ASSERT_EQ(stop_to_be_follower_count, 0);
// 升级版本号
oceanbase::common::ObClusterVersion::get_instance().cluster_version_ = CLUSTER_VERSION_4_2_0_0;// 此时将根据V1版本的优先级,将leader切换至election 2
this_thread::sleep_for(chrono::seconds(2));// 等待执行切主
ASSERT_EQ(election_group[1]->proposer_.role_, ObRole::FOLLOWER);
ASSERT_EQ(election_group[2]->proposer_.role_, ObRole::LEADER);
ASSERT_EQ(election_group[3]->proposer_.role_, ObRole::FOLLOWER);
ASSERT_EQ(leader_takeover_times, 2);
ASSERT_EQ(leader_revoke_times, 1);
ASSERT_EQ(devote_to_be_leader_count, 1);
ASSERT_EQ(lease_expired_to_be_follower_count, 0);
ASSERT_EQ(change_leader_to_be_leader_count, 1);
ASSERT_EQ(change_leader_to_be_follower_count, 1);
ASSERT_EQ(stop_to_be_follower_count, 0);
// 给leader断网,触发无主选举
GlobalNetService.disconnect_two_side(election_group[2], election_group[1]);
GlobalNetService.disconnect_two_side(election_group[2], election_group[3]);
this_thread::sleep_for(chrono::seconds(5));// 等待leader卸任
// 恢复leader的网络,预期无主时,就算是仲裁副本也正确采用了V1版本的优先级
GlobalNetService.connect_two_side(election_group[2], election_group[1]);
GlobalNetService.connect_two_side(election_group[2], election_group[3]);
this_thread::sleep_for(chrono::seconds(5));// 等待无主选举
ASSERT_EQ(election_group[1]->proposer_.role_, ObRole::FOLLOWER);
ASSERT_EQ(election_group[2]->proposer_.role_, ObRole::LEADER);
ASSERT_EQ(election_group[3]->proposer_.role_, ObRole::FOLLOWER);
ASSERT_EQ(leader_takeover_times, 3);
ASSERT_EQ(leader_revoke_times, 2);
ASSERT_EQ(devote_to_be_leader_count, 2);
ASSERT_EQ(lease_expired_to_be_follower_count, 1);
ASSERT_EQ(change_leader_to_be_leader_count, 1);
ASSERT_EQ(change_leader_to_be_follower_count, 1);
ASSERT_EQ(stop_to_be_follower_count, 0);
for (auto &election : election_group)
election->stop();
this_thread::sleep_for(chrono::seconds(1));
for (auto &election : election_group)
delete election;
}
}
}
int main(int argc, char **argv)
{
system("rm -rf test_ob_election_with_priority.log");
oceanbase::palf::election::GLOBAL_INIT_ELECTION_MODULE();
oceanbase::unittest::MockNetService::init();
oceanbase::palf::election::INIT_TS = 0;
oceanbase::common::ObClockGenerator::init();
oceanbase::common::ObLogger &logger = oceanbase::common::ObLogger::get_logger();
oceanbase::share::ObTenantBase tenant_base(OB_SYS_TENANT_ID);
tenant_base.init();
oceanbase::share::ObTenantEnv::set_tenant(&tenant_base);
logger.set_file_name("test_ob_election_with_priority.log", false);
logger.set_log_level(OB_LOG_LEVEL_INFO);
testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}