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public upgrade py

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LINxiansheng
2021-12-20 21:06:47 +08:00
committed by LINxiansheng
parent 056c5a28b4
commit fe44cd94cf
32 changed files with 31243 additions and 2 deletions
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tools/upgrade/upgrade_post_checker.py Executable file
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import sys
import os
import time
import mysql.connector
from mysql.connector import errorcode
import logging
import getopt
import time
class UpgradeParams:
log_filename = 'upgrade_post_checker.log'
new_version = '3.1.2'
#### --------------start : my_error.py --------------
class MyError(Exception):
def __init__(self, value):
self.value = value
def __str__(self):
return repr(self.value)
#### --------------start : actions.py------------
class Cursor:
__cursor = None
def __init__(self, cursor):
self.__cursor = cursor
def exec_sql(self, sql, print_when_succ = True):
try:
self.__cursor.execute(sql)
rowcount = self.__cursor.rowcount
if True == print_when_succ:
logging.info('succeed to execute sql: %s, rowcount = %d', sql, rowcount)
return rowcount
except mysql.connector.Error, e:
logging.exception('mysql connector error, fail to execute sql: %s', sql)
raise e
except Exception, e:
logging.exception('normal error, fail to execute sql: %s', sql)
raise e
def exec_query(self, sql, print_when_succ = True):
try:
self.__cursor.execute(sql)
results = self.__cursor.fetchall()
rowcount = self.__cursor.rowcount
if True == print_when_succ:
logging.info('succeed to execute query: %s, rowcount = %d', sql, rowcount)
return (self.__cursor.description, results)
except mysql.connector.Error, e:
logging.exception('mysql connector error, fail to execute sql: %s', sql)
raise e
except Exception, e:
logging.exception('normal error, fail to execute sql: %s', sql)
raise e
def set_parameter(cur, parameter, value):
sql = """alter system set {0} = '{1}'""".format(parameter, value)
logging.info(sql)
cur.execute(sql)
wait_parameter_sync(cur, parameter, value)
def wait_parameter_sync(cur, key, value):
sql = """select count(*) as cnt from oceanbase.__all_virtual_sys_parameter_stat
where name = '{0}' and value != '{1}'""".format(key, value)
times = 10
while times > 0:
logging.info(sql)
cur.execute(sql)
result = cur.fetchall()
if len(result) != 1 or len(result[0]) != 1:
logging.exception('result cnt not match')
raise e
elif result[0][0] == 0:
logging.info("""{0} is sync, value is {1}""".format(key, value))
break
else:
logging.info("""{0} is not sync, value should be {1}""".format(key, value))
times -= 1
if times == 0:
logging.exception("""check {0}:{1} sync timeout""".format(key, value))
raise e
time.sleep(5)
#### --------------start : opt.py --------------
help_str = \
"""
Help:
""" +\
sys.argv[0] + """ [OPTIONS]""" +\
'\n\n' +\
'-I, --help Display this help and exit.\n' +\
'-V, --version Output version information and exit.\n' +\
'-h, --host=name Connect to host.\n' +\
'-P, --port=name Port number to use for connection.\n' +\
'-u, --user=name User for login.\n' +\
'-p, --password=name Password to use when connecting to server. If password is\n' +\
' not given it\'s empty string "".\n' +\
'-m, --module=name Modules to run. Modules should be a string combined by some of\n' +\
' the following strings: ddl, normal_dml, each_tenant_dml,\n' +\
' system_variable_dml, special_action, all. "all" represents\n' +\
' that all modules should be run. They are splitted by ",".\n' +\
' For example: -m all, or --module=ddl,normal_dml,special_action\n' +\
'-l, --log-file=name Log file path. If log file path is not given it\'s ' + os.path.splitext(sys.argv[0])[0] + '.log\n' +\
'\n\n' +\
'Maybe you want to run cmd like that:\n' +\
sys.argv[0] + ' -h 127.0.0.1 -P 3306 -u xxx -p xxx\n'
version_str = """version 1.0.0"""
class Option:
__g_short_name_set = set([])
__g_long_name_set = set([])
__short_name = None
__long_name = None
__is_with_param = None
__is_local_opt = None
__has_value = None
__value = None
def __init__(self, short_name, long_name, is_with_param, is_local_opt, default_value = None):
if short_name in Option.__g_short_name_set:
raise MyError('duplicate option short name: {0}'.format(short_name))
elif long_name in Option.__g_long_name_set:
raise MyError('duplicate option long name: {0}'.format(long_name))
Option.__g_short_name_set.add(short_name)
Option.__g_long_name_set.add(long_name)
self.__short_name = short_name
self.__long_name = long_name
self.__is_with_param = is_with_param
self.__is_local_opt = is_local_opt
self.__has_value = False
if None != default_value:
self.set_value(default_value)
def is_with_param(self):
return self.__is_with_param
def get_short_name(self):
return self.__short_name
def get_long_name(self):
return self.__long_name
def has_value(self):
return self.__has_value
def get_value(self):
return self.__value
def set_value(self, value):
self.__value = value
self.__has_value = True
def is_local_opt(self):
return self.__is_local_opt
def is_valid(self):
return None != self.__short_name and None != self.__long_name and True == self.__has_value and None != self.__value
g_opts =\
[\
Option('I', 'help', False, True),\
Option('V', 'version', False, True),\
Option('h', 'host', True, False),\
Option('P', 'port', True, False),\
Option('u', 'user', True, False),\
Option('p', 'password', True, False, ''),\
# 要跑哪个模块，默认全跑
Option('m', 'module', True, False, 'all'),\
# 日志文件路径，不同脚本的main函数中中会改成不同的默认值
Option('l', 'log-file', True, False)
]\
def change_opt_defult_value(opt_long_name, opt_default_val):
global g_opts
for opt in g_opts:
if opt.get_long_name() == opt_long_name:
opt.set_value(opt_default_val)
return
def has_no_local_opts():
global g_opts
no_local_opts = True
for opt in g_opts:
if opt.is_local_opt() and opt.has_value():
no_local_opts = False
return no_local_opts
def check_db_client_opts():
global g_opts
for opt in g_opts:
if not opt.is_local_opt() and not opt.has_value():
raise MyError('option "-{0}" has not been specified, maybe you should run "{1} --help" for help'\
.format(opt.get_short_name(), sys.argv[0]))
def parse_option(opt_name, opt_val):
global g_opts
for opt in g_opts:
if opt_name in (('-' + opt.get_short_name()), ('--' + opt.get_long_name())):
opt.set_value(opt_val)
def parse_options(argv):
global g_opts
short_opt_str = ''
long_opt_list = []
for opt in g_opts:
if opt.is_with_param():
short_opt_str += opt.get_short_name() + ':'
else:
short_opt_str += opt.get_short_name()
for opt in g_opts:
if opt.is_with_param():
long_opt_list.append(opt.get_long_name() + '=')
else:
long_opt_list.append(opt.get_long_name())
(opts, args) = getopt.getopt(argv, short_opt_str, long_opt_list)
for (opt_name, opt_val) in opts:
parse_option(opt_name, opt_val)
if has_no_local_opts():
check_db_client_opts()
def deal_with_local_opt(opt):
if 'help' == opt.get_long_name():
global help_str
print help_str
elif 'version' == opt.get_long_name():
global version_str
print version_str
def deal_with_local_opts():
global g_opts
if has_no_local_opts():
raise MyError('no local options, can not deal with local options')
else:
for opt in g_opts:
if opt.is_local_opt() and opt.has_value():
deal_with_local_opt(opt)
# 只处理一个
return
def get_opt_host():
global g_opts
for opt in g_opts:
if 'host' == opt.get_long_name():
return opt.get_value()
def get_opt_port():
global g_opts
for opt in g_opts:
if 'port' == opt.get_long_name():
return opt.get_value()
def get_opt_user():
global g_opts
for opt in g_opts:
if 'user' == opt.get_long_name():
return opt.get_value()
def get_opt_password():
global g_opts
for opt in g_opts:
if 'password' == opt.get_long_name():
return opt.get_value()
def get_opt_module():
global g_opts
for opt in g_opts:
if 'module' == opt.get_long_name():
return opt.get_value()
def get_opt_log_file():
global g_opts
for opt in g_opts:
if 'log-file' == opt.get_long_name():
return opt.get_value()
#### ---------------end----------------------
def config_logging_module(log_filenamme):
logging.basicConfig(level=logging.INFO,\
format='[%(asctime)s] %(levelname)s %(filename)s:%(lineno)d %(message)s',\
datefmt='%Y-%m-%d %H:%M:%S',\
filename=log_filenamme,\
filemode='w')
# 定义日志打印格式
formatter = logging.Formatter('[%(asctime)s] %(levelname)s %(filename)s:%(lineno)d %(message)s', '%Y-%m-%d %H:%M:%S')
#######################################
# 定义一个Handler打印INFO及以上级别的日志到sys.stdout
stdout_handler = logging.StreamHandler(sys.stdout)
stdout_handler.setLevel(logging.INFO)
# 设置日志打印格式
stdout_handler.setFormatter(formatter)
# 将定义好的stdout_handler日志handler添加到root logger
logging.getLogger('').addHandler(stdout_handler)
#### STAR
# 1 检查版本号
def check_cluster_version(query_cur):
# 一方面配置项生效是个异步生效任务,另一方面是2.2.0之后新增租户级配置项刷新，和系统级配置项刷新复用同一个timer，这里暂且等一下。
times = 30
sql="select distinct value = '{0}' from oceanbase.__all_virtual_sys_parameter_stat where name='min_observer_version'".format(upgrade_params.new_version)
while times > 0 :
(desc, results) = query_cur.exec_query(sql)
if len(results) == 1 and results[0][0] == 1:
break;
time.sleep(1)
times -=1
if times == 0:
logging.warn("check cluster version timeout!")
raise e
else:
logging.info("check_cluster_version success")
def check_storage_format_version(query_cur):
# Specified expected version each time want to upgrade (see OB_STORAGE_FORMAT_VERSION_MAX)
expect_version = 4;
sql = "select value from oceanbase.__all_zone where zone = '' and name = 'storage_format_version'"
times = 180
while times > 0 :
(desc, results) = query_cur.exec_query(sql)
if len(results) == 1 and results[0][0] == expect_version:
break
time.sleep(10)
times -= 1
if times == 0:
logging.warn("check storage format version timeout! Expected version {0}".format(expect_version))
raise e
else:
logging.info("check expected storage format version '{0}' success".format(expect_version))
def upgrade_table_schema_version(conn, cur):
try:
sql = """SELECT * FROM v$ob_cluster
WHERE cluster_role = "PRIMARY"
AND cluster_status = "VALID"
AND (switchover_status = "NOT ALLOWED" OR switchover_status = "TO STANDBY") """
(desc, results) = cur.exec_query(sql)
is_primary = len(results) > 0
if is_primary:
sql = "set @@session.ob_query_timeout = 60000000;"
logging.info(sql)
cur.exec_sql(sql)
sql = "alter system run job 'UPDATE_TABLE_SCHEMA_VERSION';"
logging.info(sql)
cur.exec_sql(sql)
else:
logging.info("standby cluster no need to run job update_table_schema_ersion")
except Exception, e:
logging.warn("update table schema failed")
raise MyError("update table schema failed")
logging.info("update table schema finish")
def upgrade_storage_format_version(conn, cur):
try:
# enable_ddl
set_parameter(cur, 'enable_ddl', 'True')
# run job
sql = "alter system run job 'UPGRADE_STORAGE_FORMAT_VERSION';"
logging.info(sql)
cur.execute(sql)
except Exception, e:
logging.warn("upgrade storage format version failed")
raise e
logging.info("upgrade storage format version finish")
# 2 检查内部表自检是否成功
def check_root_inspection(query_cur):
sql = "select count(*) from oceanbase.__all_virtual_upgrade_inspection where info != 'succeed'"
times = 180
while times > 0 :
(desc, results) = query_cur.exec_query(sql)
if results[0][0] == 0:
break
time.sleep(10)
times -= 1
if times == 0:
logging.warn('check root inspection failed!')
raise e
logging.info('check root inspection success')
# 4 开ddl
def enable_ddl(cur):
set_parameter(cur, 'enable_ddl', 'True')
# 5 打开rebalance
def enable_rebalance(cur):
set_parameter(cur, 'enable_rebalance', 'True')
# 6 打开rereplication
def enable_rereplication(cur):
set_parameter(cur, 'enable_rereplication', 'True')
# 7 打开major freeze
def enable_major_freeze(cur):
set_parameter(cur, 'enable_major_freeze', 'True')
# 8 打开sql走px
def enable_px_inner_sql(query_cur, cur):
cur.execute("alter system set _ob_enable_px_for_inner_sql = True")
(desc, results) = query_cur.exec_query("""select cluster_role from oceanbase.v$ob_cluster""")
if (len(results) != 1) :
raise MyError('cluster role results is not valid')
elif (cmp(results[0][0], "PRIMARY") == 0):
tenant_id_list = fetch_tenant_ids(query_cur)
for tenant_id in tenant_id_list:
cur.execute("alter system change tenant tenant_id = {0}".format(tenant_id))
sql = """set global _ob_use_parallel_execution = true"""
logging.info("tenant_id : %d , %s", tenant_id, sql)
cur.execute(sql)
elif (cmp(results[0][0], "PHYSICAL STANDBY") == 0):
sql = """set global _ob_use_parallel_execution = true"""
cur.execute(sql)
logging.info("execute sql in standby: %s", sql)
def execute_schema_split_v2(conn, cur, query_cur, user, pwd):
try:
# check local cluster finish schema split
done = check_schema_split_v2_finish(query_cur)
if not done:
###### disable ddl
set_parameter(cur, 'enable_ddl', 'False')
# run job
sql = """alter system run job 'SCHEMA_SPLIT_V2'"""
logging.info("""run job 'SCHEMA_SPLIT_V2'""")
query_cur.exec_sql(sql)
# check schema split v2 finish
check_schema_split_v2_finish_until_timeout(query_cur, 360)
# primary cluster should wait standby clusters' schema split results
is_primary = check_current_cluster_is_primary(query_cur)
if is_primary:
standby_cluster_list = fetch_standby_cluster_infos(conn, query_cur, user, pwd)
for standby_cluster in standby_cluster_list:
# connect
logging.info("start to check schema split result by cluster: cluster_id = {0}"
.format(standby_cluster['cluster_id']))
logging.info("create connection : cluster_id = {0}, ip = {1}, port = {2}"
.format(standby_cluster['cluster_id'],
standby_cluster['ip'],
standby_cluster['port']))
tmp_conn = mysql.connector.connect(user = standby_cluster['user'],
password = standby_cluster['pwd'],
host = standby_cluster['ip'],
port = standby_cluster['port'],
database = 'oceanbase')
tmp_cur = tmp_conn.cursor(buffered=True)
tmp_conn.autocommit = True
tmp_query_cur = Cursor(tmp_cur)
# check if stanby cluster
is_primary = check_current_cluster_is_primary(tmp_query_cur)
if is_primary:
logging.exception("""primary cluster changed : cluster_id = {0}, ip = {1}, port = {2}"""
.format(standby_cluster['cluster_id'],
standby_cluster['ip'],
standby_cluster['port']))
raise e
# check schema split finish
check_schema_split_v2_finish_until_timeout(tmp_query_cur, 180)
# close
tmp_cur.close()
tmp_conn.close()
logging.info("""check schema split result success : cluster_id = {0}, ip = {1}, port = {2}"""
.format(standby_cluster['cluster_id'],
standby_cluster['ip'],
standby_cluster['port']))
except Exception, e:
logging.warn("execute schema_split_v2 failed")
raise e
logging.info("execute schema_split_v2 success")
def check_schema_split_v2_finish(query_cur):
done = False;
sql = "select count(*) from oceanbase.__all_virtual_upgrade_inspection where name = 'SCHEMA_SPLIT_V2' and info = 'succeed'"
logging.info(sql)
(desc, results) = query_cur.exec_query(sql)
if 1 != len(results) or 1 != len(results[0]):
logging.warn("should has one record")
raise e
elif 1 == results[0][0]:
done = True
else:
done = False
return done
def check_schema_split_v2_finish_until_timeout(query_cur, times):
while times > 0:
done = check_schema_split_v2_finish(query_cur)
if done:
break;
else:
times -= 1
time.sleep(10)
if 0 == times:
logging.warn('check schema split v2 timeout!')
raise e
logging.info("check schema split v2 success")
def fetch_tenant_ids(query_cur):
try:
tenant_id_list = []
(desc, results) = query_cur.exec_query("""select distinct tenant_id from oceanbase.__all_tenant order by tenant_id desc""")
for r in results:
tenant_id_list.append(r[0])
return tenant_id_list
except Exception, e:
logging.exception('fail to fetch distinct tenant ids')
raise e
def check_current_cluster_is_primary(query_cur):
try:
sql = """SELECT * FROM v$ob_cluster
WHERE cluster_role = "PRIMARY"
AND cluster_status = "VALID"
AND (switchover_status = "NOT ALLOWED" OR switchover_status = "TO STANDBY") """
(desc, results) = query_cur.exec_query(sql)
is_primary = len(results) > 0
return is_primary
except Exception, e:
logging.exception("""fail to check current is primary""")
raise e
def fetch_standby_cluster_infos(conn, query_cur, user, pwd):
try:
is_primary = check_current_cluster_is_primary(query_cur)
if not is_primary:
logging.exception("""should be primary cluster""")
raise e
standby_cluster_infos = []
sql = """SELECT cluster_id, rootservice_list from v$ob_standby_status"""
(desc, results) = query_cur.exec_query(sql)
for r in results:
standby_cluster_info = {}
if 2 != len(r):
logging.exception("length not match")
raise e
standby_cluster_info['cluster_id'] = r[0]
standby_cluster_info['user'] = user
standby_cluster_info['pwd'] = pwd
# construct ip/port
address = r[1].split(";")[0] # choose first address in rs_list
standby_cluster_info['ip'] = str(address.split(":")[0])
standby_cluster_info['port'] = address.split(":")[2]
# append
standby_cluster_infos.append(standby_cluster_info)
logging.info("""cluster_info : cluster_id = {0}, ip = {1}, port = {2}"""
.format(standby_cluster_info['cluster_id'],
standby_cluster_info['ip'],
standby_cluster_info['port']))
conn.commit()
# check standby cluster
for standby_cluster_info in standby_cluster_infos:
# connect
logging.info("""create connection : cluster_id = {0}, ip = {1}, port = {2}"""
.format(standby_cluster_info['cluster_id'],
standby_cluster_info['ip'],
standby_cluster_info['port']))
tmp_conn = mysql.connector.connect(user = standby_cluster_info['user'],
password = standby_cluster_info['pwd'],
host = standby_cluster_info['ip'],
port = standby_cluster_info['port'],
database = 'oceanbase')
tmp_cur = tmp_conn.cursor(buffered=True)
tmp_conn.autocommit = True
tmp_query_cur = Cursor(tmp_cur)
is_primary = check_current_cluster_is_primary(tmp_query_cur)
if is_primary:
logging.exception("""primary cluster changed : cluster_id = {0}, ip = {1}, port = {2}"""
.format(standby_cluster_info['cluster_id'],
standby_cluster_info['ip'],
standby_cluster_info['port']))
raise e
# close
tmp_cur.close()
tmp_conn.close()
return standby_cluster_infos
except Exception, e:
logging.exception('fail to fetch standby cluster info')
raise e
def check_ddl_and_dml_sync(conn, query_cur, standby_cluster_infos, tenant_ids):
try:
conn.commit()
# check if need check ddl and dml sync
is_primary = check_current_cluster_is_primary(query_cur)
if not is_primary:
logging.exception("""should be primary cluster""")
raise e
# fetch sys stats
sys_infos = []
sql = """SELECT tenant_id,
refreshed_schema_version,
min_sys_table_scn,
min_user_table_scn
FROM oceanbase.v$ob_cluster_stats
ORDER BY tenant_id desc"""
(desc, results) = query_cur.exec_query(sql)
if len(tenant_ids) != len(results):
logging.exception("result not match")
raise e
else:
for i in range(len(results)):
if len(results[i]) != 4:
logging.exception("length not match")
raise e
elif results[i][0] != tenant_ids[i]:
logging.exception("tenant_id not match")
raise e
else:
sys_info = {}
sys_info['tenant_id'] = results[i][0]
sys_info['refreshed_schema_version'] = results[i][1]
sys_info['min_sys_table_scn'] = results[i][2]
sys_info['min_user_table_scn'] = results[i][3]
logging.info("sys info : {0}".format(sys_info))
sys_infos.append(sys_info)
conn.commit()
# check ddl and dml by cluster
for standby_cluster_info in standby_cluster_infos:
check_ddl_and_dml_sync_by_cluster(standby_cluster_info, sys_infos)
except Exception, e:
logging.exception("fail to check ddl and dml sync")
raise e
def check_ddl_and_dml_sync_by_tenant(query_cur, sys_info):
try:
times = 1800 # 30min
logging.info("start to check ddl and dml sync by tenant : {0}".format(sys_info))
start_time = time.time()
sql = ""
if 1 == sys_info['tenant_id'] :
# 备库系统租户DML不走物理同步，需要升级脚本负责写入，系统租户仅校验DDL同步
sql = """SELECT count(*)
FROM oceanbase.v$ob_cluster_stats
WHERE tenant_id = {0}
AND refreshed_schema_version >= {1}
""".format(sys_info['tenant_id'],
sys_info['refreshed_schema_version'])
else:
sql = """SELECT count(*)
FROM oceanbase.v$ob_cluster_stats
WHERE tenant_id = {0}
AND refreshed_schema_version >= {1}
AND min_sys_table_scn >= {2}
AND min_user_table_scn >= {3}
""".format(sys_info['tenant_id'],
sys_info['refreshed_schema_version'],
sys_info['min_sys_table_scn'],
sys_info['min_user_table_scn'])
while times > 0 :
(desc, results) = query_cur.exec_query(sql)
if len(results) == 1 and results[0][0] == 1:
break;
time.sleep(1)
times -= 1
if times == 0:
logging.exception("check ddl and dml sync timeout! : {0}, cost = {1}"
.format(sys_info, time.time() - start_time))
raise e
else:
logging.info("check ddl and dml sync success! : {0}, cost = {1}"
.format(sys_info, time.time() - start_time))
except Exception, e:
logging.exception("fail to check ddl and dml sync : {0}".format(sys_info))
raise e
# 开始升级后的检查
def do_check(my_host, my_port, my_user, my_passwd, upgrade_params):
try:
conn = mysql.connector.connect(user = my_user,
password = my_passwd,
host = my_host,
port = my_port,
database = 'oceanbase',
raise_on_warnings = True)
conn.autocommit = True
cur = conn.cursor(buffered=True)
try:
query_cur = Cursor(cur)
try:
check_cluster_version(query_cur)
upgrade_table_schema_version(conn, query_cur)
check_root_inspection(query_cur)
enable_ddl(cur)
enable_rebalance(cur)
enable_rereplication(cur)
enable_major_freeze(cur)
enable_px_inner_sql(query_cur, cur)
except Exception, e:
logging.exception('run error')
raise e
except Exception, e:
logging.exception('run error')
raise e
finally:
cur.close()
conn.close()
except mysql.connector.Error, e:
logging.exception('connection error')
raise e
except Exception, e:
logging.exception('normal error')
raise e
if __name__ == '__main__':
upgrade_params = UpgradeParams()
change_opt_defult_value('log-file', upgrade_params.log_filename)
parse_options(sys.argv[1:])
if not has_no_local_opts():
deal_with_local_opts()
else:
check_db_client_opts()
log_filename = get_opt_log_file()
upgrade_params.log_filename = log_filename
# 日志配置放在这里是为了前面的操作不要覆盖掉日志文件
config_logging_module(upgrade_params.log_filename)
try:
host = get_opt_host()
port = int(get_opt_port())
user = get_opt_user()
password = get_opt_password()
logging.info('parameters from cmd: host=\"%s\", port=%s, user=\"%s\", password=\"%s\", log-file=\"%s\"',\
host, port, user, password, log_filename)
do_check(host, port, user, password, upgrade_params)
except mysql.connector.Error, e:
logging.exception('mysql connctor error')
raise e
except Exception, e:
logging.exception('normal error')
raise e