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93a1074b0ccc5ab9dadd25e5b3bf447aadcca19b
oceanbase/src/share/ob_tenant_info_proxy.cpp
wangzelin.wzl 93a1074b0c patch 4.0
2022-10-24 17:57:12 +08:00

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/**
* Copyright (c) 2021 OceanBase
* OceanBase CE 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.
*/
#define USING_LOG_PREFIX SHARE
#include "share/ob_tenant_info_proxy.h"
#include "share/ob_cluster_role.h"//ObClusterTYPE
#include "share/ob_share_util.h"//ObShareUtil
#include "share/config/ob_server_config.h"//GCONF
#include "share/inner_table/ob_inner_table_schema.h"//ALL_TENANT_INFO_TNAME
#include "share/ls/ob_ls_i_life_manager.h"//TODO SCN VALUE
#include "lib/string/ob_sql_string.h"//ObSqlString
#include "lib/mysqlclient/ob_mysql_transaction.h"//ObMySQLTrans
#include "common/ob_timeout_ctx.h"//ObTimeoutCtx
using namespace oceanbase;
using namespace oceanbase::common;
namespace oceanbase
{
namespace share
{
////////////ObAllTenantInfo
bool ObAllTenantInfo::is_valid() const
{
return OB_INVALID_TENANT_ID != tenant_id_
&& OB_LS_INVALID_SCN_VALUE != sync_scn_
&& OB_LS_INVALID_SCN_VALUE != replayable_scn_
&& OB_LS_INVALID_SCN_VALUE != standby_scn_
&& OB_LS_INVALID_SCN_VALUE != recovery_until_scn_
&& tenant_role_.is_valid();
}
int64_t ObAllTenantInfo::get_ref_scn() const
{
int64_t ref_scn = OB_LS_INVALID_SCN_VALUE;
if (OB_LS_INVALID_SCN_VALUE == sync_scn_) {
LOG_WARN("sync scn is invalid", K(sync_scn_));
} else {
ref_scn = sync_scn_;
}
return ref_scn;
}
int ObAllTenantInfo::init(const uint64_t tenant_id, const ObTenantRole tenant_role)
{
int ret = OB_SUCCESS;
reset();
if (OB_UNLIKELY(OB_INVALID_TENANT_ID == tenant_id
|| !tenant_role.is_valid())) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", KR(ret), K(tenant_id), K(tenant_role));
} else {
tenant_id_ = tenant_id;
tenant_role_ = tenant_role;
switchover_status_ = ObTenantSwitchoverStatus::NORMAL_STATUS;
switchover_epoch_ = 0;
sync_scn_ = OB_LS_MIN_SCN_VALUE;
replayable_scn_ = OB_LS_MIN_SCN_VALUE;
standby_scn_ = OB_LS_MIN_SCN_VALUE;
recovery_until_scn_ = OB_LS_MAX_SCN_VALUE;
}
return ret;
}
int ObAllTenantInfo::init(
const uint64_t tenant_id, const ObTenantRole &tenant_role, const ObTenantSwitchoverStatus &switchover_status,
int64_t switchover_epoch, int64_t sync_scn, int64_t replayable_scn,
int64_t standby_scn, int64_t recovery_until_scn)
{
int ret = OB_SUCCESS;
reset();
if (OB_UNLIKELY(OB_INVALID_TENANT_ID == tenant_id
|| !tenant_role.is_valid()
|| !switchover_status.is_valid())) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", KR(ret), K(tenant_id), K(tenant_role), K(switchover_status));
} else {
tenant_id_ = tenant_id;
tenant_role_ = tenant_role;
switchover_status_ = switchover_status;
switchover_epoch_ = switchover_epoch;
sync_scn_ = sync_scn;
replayable_scn_ = replayable_scn;
standby_scn_ = standby_scn;
recovery_until_scn_ = recovery_until_scn;
}
return ret;
}
int ObAllTenantInfo::assign(const ObAllTenantInfo &other)
{
int ret = OB_SUCCESS;
if (this != &other) {
reset();
tenant_id_ = other.tenant_id_;
tenant_role_ = other.tenant_role_;
switchover_status_ = other.switchover_status_;
switchover_epoch_ = other.switchover_epoch_;
sync_scn_ = other.sync_scn_;
replayable_scn_ = other.replayable_scn_;
standby_scn_ = other.standby_scn_;
recovery_until_scn_ = other.recovery_until_scn_;
}
return ret;
}
void ObAllTenantInfo::reset()
{
tenant_id_ = OB_INVALID_TENANT_ID;
tenant_role_ = ObTenantRole::INVALID_TENANT;
switchover_status_ = ObTenantSwitchoverStatus::INVALID_STATUS;
switchover_epoch_ = OB_INVALID_VERSION;
sync_scn_ = OB_LS_INVALID_SCN_VALUE;
replayable_scn_ = OB_LS_INVALID_SCN_VALUE;
standby_scn_ = OB_LS_INVALID_SCN_VALUE;
recovery_until_scn_ = OB_LS_INVALID_SCN_VALUE;
}
OB_SERIALIZE_MEMBER(ObAllTenantInfo, tenant_id_, tenant_role_,
switchover_status_, switchover_epoch_, sync_scn_,
replayable_scn_, standby_scn_, recovery_until_scn_);
ObAllTenantInfo& ObAllTenantInfo::operator= (const ObAllTenantInfo &other)
{
int ret = OB_SUCCESS;
if (this != &other) {
if (OB_FAIL(assign(other))) {
LOG_ERROR("failed to assign", KR(ret), K(other));
}
}
return *this;
}
////////////ObAllTenantInfoProxy
int ObAllTenantInfoProxy::init_tenant_info(
const ObAllTenantInfo &tenant_info,
ObISQLClient *proxy)
{
int ret = OB_SUCCESS;
const uint64_t exec_tenant_id = gen_meta_tenant_id(tenant_info.get_tenant_id());
ObSqlString sql;
int64_t affected_rows = 0;
if (OB_UNLIKELY(!tenant_info.is_valid())) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("tenant_info is invalid", KR(ret), K(tenant_info));
} else if (OB_ISNULL(proxy)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("proxy is null", KR(ret), KP(proxy));
} else if (!is_user_tenant(tenant_info.get_tenant_id())) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("meta tenant no need init tenant info", KR(ret), K(tenant_info));
} else if (OB_FAIL(sql.assign_fmt(
"insert into %s (tenant_id, tenant_role, "
"switchover_status, switchover_epoch, "
"sync_scn, replayable_scn, readable_scn) "
"values(%lu, '%s', '%s', %ld, %ld, %ld, %ld)",
OB_ALL_TENANT_INFO_TNAME, tenant_info.get_tenant_id(),
tenant_info.get_tenant_role().to_str(),
tenant_info.get_switchover_status().to_str(),
tenant_info.get_switchover_epoch(), tenant_info.get_sync_scn(),
tenant_info.get_replayable_scn(), tenant_info.get_standby_scn()))) {
LOG_WARN("failed to assign sql", KR(ret), K(tenant_info), K(sql));
} else if (OB_FAIL(proxy->write(exec_tenant_id, sql.ptr(), affected_rows))) {
LOG_WARN("failed to execute sql", KR(ret), K(exec_tenant_id), K(sql));
} else if (!is_single_row(affected_rows)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("expect updating one row", KR(ret), K(affected_rows), K(sql));
}
return ret;
}
int ObAllTenantInfoProxy::load_tenant_info(const uint64_t tenant_id,
ObISQLClient *proxy,
const bool for_update,
ObAllTenantInfo &tenant_info)
{
int ret = OB_SUCCESS;
tenant_info.reset();
if (OB_ISNULL(proxy)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("proxy is null", KR(ret), KP(proxy));
} else if (OB_UNLIKELY(OB_INVALID_TENANT_ID == tenant_id)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", KR(ret), K(tenant_id));
} else if (!is_user_tenant(tenant_id)) {
//sys and meta tenant is primary
if (OB_FAIL(tenant_info.init(tenant_id, share::PRIMARY_TENANT_ROLE))) {
LOG_WARN("failed to init tenant info", KR(ret), K(tenant_id));
}
} else {
ObSqlString sql;
uint64_t exec_tenant_id = gen_meta_tenant_id(tenant_id);
if (OB_FAIL(sql.assign_fmt("select * from %s where tenant_id = %lu ",
OB_ALL_TENANT_INFO_TNAME, tenant_id))) {
LOG_WARN("failed to assign sql", KR(ret), K(sql));
} else if(for_update && OB_FAIL(sql.append(" for update"))) {
LOG_WARN("failed to assign sql", KR(ret), K(sql));
} else {
HEAP_VAR(ObMySQLProxy::MySQLResult, res) {
common::sqlclient::ObMySQLResult *result = NULL;
if (OB_FAIL(proxy->read(res, exec_tenant_id, sql.ptr()))) {
LOG_WARN("failed to read", KR(ret), K(exec_tenant_id), K(sql));
} else if (OB_ISNULL(result = res.get_result())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("failed to get sql result", KR(ret));
} else if (OB_FAIL(result->next())) {
LOG_WARN("failed to get tenant info", KR(ret), K(sql));
} else if (OB_FAIL(fill_cell(result, tenant_info))) {
LOG_WARN("failed to fill cell", KR(ret), K(sql));
}
}
}//end else
}
return ret;
}
int ObAllTenantInfoProxy::update_tenant_recovery_status(
const uint64_t tenant_id, ObMySQLProxy *proxy,
ObTenantSwitchoverStatus status, int64_t sync_scn, int64_t replay_scn,
int64_t reabable_scn)
{
int ret = OB_SUCCESS;
const uint64_t exec_tenant_id = gen_meta_tenant_id(tenant_id);
ObSqlString sql;
int64_t affected_rows = 0;
common::ObMySQLTransaction trans;
ObAllTenantInfo old_tenant_info;
if (OB_UNLIKELY(OB_INVALID_TENANT_ID == tenant_id ||
!status.is_valid())) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("tenant_info is invalid", KR(ret), K(tenant_id), K(status));
} else if (OB_ISNULL(proxy)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("proxy is null", KR(ret), KP(proxy));
} else if (!is_user_tenant(tenant_id)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("meta tenant no need init tenant info", KR(ret), K(tenant_id));
} else if (OB_FAIL(trans.start(proxy, exec_tenant_id))) {
LOG_WARN("failed to start trans", KR(ret), K(exec_tenant_id));
} else if (OB_FAIL(load_tenant_info(tenant_id, &trans, true, old_tenant_info))) {
LOG_WARN("failed to load all tenant info", KR(ret), K(tenant_id));
} else {
//TODO msy164651 sync_scn and replay_scn can not larger than recovery_scn
int64_t new_sync_ts = max(old_tenant_info.get_sync_scn(), sync_scn);
int64_t new_replay_ts = min(max(old_tenant_info.get_replayable_scn(), replay_scn),
new_sync_ts);
int64_t new_sts =
min(max(old_tenant_info.get_standby_scn(), reabable_scn), new_replay_ts);
if (old_tenant_info.get_sync_scn() == new_sync_ts
&& old_tenant_info.get_replayable_scn() == new_replay_ts
&& old_tenant_info.get_standby_scn() == new_sts) {
LOG_DEBUG("no need update", K(old_tenant_info), K(new_sync_ts), K(new_replay_ts), K(new_sts));
} else if (OB_FAIL(sql.assign_fmt(
"update %s set sync_scn = %ld, replayable_scn = %ld, "
"readable_scn = %ld where tenant_id = %lu "
"and switchover_status = '%s'", OB_ALL_TENANT_INFO_TNAME,
new_sync_ts, new_replay_ts, new_sts,
tenant_id, status.to_str()))) {
LOG_WARN("failed to assign sql", KR(ret), K(tenant_id), K(status),
K(sql));
} else if (OB_FAIL(trans.write(exec_tenant_id, sql.ptr(), affected_rows))) {
LOG_WARN("failed to execute sql", KR(ret), K(exec_tenant_id), K(sql));
} else if (!is_single_row(affected_rows)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("expect updating one row", KR(ret), K(affected_rows), K(sql));
}
}
if (trans.is_started()) {
int tmp_ret = OB_SUCCESS;
if (OB_SUCCESS != (tmp_ret = trans.end(OB_SUCC(ret)))) {
LOG_WARN("failed to commit trans", KR(ret), KR(tmp_ret));
ret = OB_SUCC(ret) ? tmp_ret : ret;
}
}
return ret;
}
int ObAllTenantInfoProxy::fill_cell(common::sqlclient::ObMySQLResult *result, ObAllTenantInfo &tenant_info)
{
int ret = OB_SUCCESS;
tenant_info.reset();
if (OB_ISNULL(result)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("result is null", KR(ret));
} else {
ObString tenant_role_str;
ObString status_str;
uint64_t tenant_id = OB_INVALID_TENANT_ID;
int64_t switchover_epoch = OB_LS_INVALID_SCN_VALUE;
int64_t sync_ts = OB_LS_INVALID_SCN_VALUE;
int64_t replay_ts = OB_LS_INVALID_SCN_VALUE;
int64_t sts = OB_LS_INVALID_SCN_VALUE;
//TODO msy164651 recovery_scn no use now
int64_t recovery_ts = OB_LS_MIN_SCN_VALUE;
EXTRACT_VARCHAR_FIELD_MYSQL(*result, "tenant_role", tenant_role_str);
EXTRACT_VARCHAR_FIELD_MYSQL(*result, "switchover_status", status_str);
EXTRACT_INT_FIELD_MYSQL(*result, "tenant_id", tenant_id, uint64_t);
EXTRACT_INT_FIELD_MYSQL(*result, "switchover_epoch", switchover_epoch, int64_t);
EXTRACT_UINT_FIELD_MYSQL(*result, "sync_scn", sync_ts, int64_t);
EXTRACT_UINT_FIELD_MYSQL(*result, "replayable_scn", replay_ts, int64_t);
EXTRACT_UINT_FIELD_MYSQL(*result, "readable_scn", sts, int64_t);
ObTenantRole tmp_tenant_role(tenant_role_str);
ObTenantSwitchoverStatus tmp_tenant_sw_status(status_str);
if (OB_FAIL(ret)) {
LOG_WARN("failed to get result", KR(ret));
//tenant_id in inner table can be used directly
} else if (OB_FAIL(tenant_info.init(
tenant_id, tmp_tenant_role,
tmp_tenant_sw_status, switchover_epoch,
sync_ts, replay_ts, sts, recovery_ts))) {
LOG_WARN("failed to init tenant info", KR(ret), K(tenant_id), K(tmp_tenant_role), K(tenant_role_str),
K(tmp_tenant_sw_status), K(status_str), K(switchover_epoch), K(sync_ts), K(recovery_ts));
}
}
return ret;
}
int ObAllTenantInfoProxy::update_tenant_role(
const uint64_t tenant_id,
ObISQLClient *proxy,
int64_t old_switchover_epoch,
const ObTenantRole &new_role, const ObTenantSwitchoverStatus &status,
int64_t &new_switchover_ts)
{
int ret = OB_SUCCESS;
const uint64_t exec_tenant_id = gen_meta_tenant_id(tenant_id);
ObSqlString sql;
int64_t affected_rows = 0;
//update switchover epoch while role change
new_switchover_ts = max(old_switchover_epoch + 1, ObTimeUtility::current_time());
if (OB_UNLIKELY(OB_INVALID_TENANT_ID == tenant_id
|| OB_INVALID_VERSION == new_switchover_ts
|| !new_role.is_valid())) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("tenant_info is invalid", KR(ret), K(tenant_id), K(old_switchover_epoch), K(new_role));
} else if (OB_ISNULL(proxy)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("proxy is null", KR(ret), KP(proxy));
} else if (OB_FAIL(sql.assign_fmt(
"update %s set tenant_role = '%s', switchover_status = '%s', switchover_epoch = %ld "
"where tenant_id = %lu and switchover_epoch = %ld",
OB_ALL_TENANT_INFO_TNAME,
new_role.to_str(), status.to_str(),
new_switchover_ts, tenant_id, old_switchover_epoch))) {
LOG_WARN("failed to assign sql", KR(ret), K(tenant_id), K(old_switchover_epoch),
K(new_role), K(sql));
} else if (OB_FAIL(proxy->write(exec_tenant_id, sql.ptr(), affected_rows))) {
LOG_WARN("failed to execute sql", KR(ret), K(exec_tenant_id), K(sql));
} else if (0 == affected_rows) {
ret = OB_NEED_RETRY;
LOG_WARN("switchover may concurrency, need retry", KR(ret), K(old_switchover_epoch));
} else if (!is_single_row(affected_rows)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("expect updating one row", KR(ret), K(affected_rows), K(sql));
}
return ret;
}
int ObAllTenantInfoProxy::update_tenant_switchover_status(
const uint64_t tenant_id,
ObISQLClient *proxy,
int64_t switchover_epoch,
const ObTenantSwitchoverStatus &old_status, const ObTenantSwitchoverStatus &status)
{
int ret = OB_SUCCESS;
const uint64_t exec_tenant_id = gen_meta_tenant_id(tenant_id);
ObSqlString sql;
int64_t affected_rows = 0;
//update switchover epoch while role change
if (OB_UNLIKELY(OB_INVALID_TENANT_ID == tenant_id
|| OB_INVALID_VERSION == switchover_epoch
|| old_status == status)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("tenant_info is invalid", KR(ret), K(tenant_id),
K(switchover_epoch), K(old_status), K(status));
} else if (OB_ISNULL(proxy)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("proxy is null", KR(ret), KP(proxy));
} else if (OB_FAIL(sql.assign_fmt(
"update %s set switchover_status = '%s'"
"where tenant_id = %lu and switchover_epoch = %ld and switchover_status = '%s'",
OB_ALL_TENANT_INFO_TNAME,
status.to_str(),
tenant_id, switchover_epoch, old_status.to_str()))) {
LOG_WARN("failed to assign sql", KR(ret), K(tenant_id), K(switchover_epoch),
K(status), K(old_status), K(sql));
} else if (OB_FAIL(proxy->write(exec_tenant_id, sql.ptr(), affected_rows))) {
LOG_WARN("failed to execute sql", KR(ret), K(exec_tenant_id), K(sql));
} else if (0 == affected_rows) {
ret = OB_NEED_RETRY;
LOG_WARN("switchover may concurrency, need retry", KR(ret), K(switchover_epoch), K(sql));
} else if (!is_single_row(affected_rows)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("expect updating one row", KR(ret), K(affected_rows), K(sql));
}
return ret;
}
}
}
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