448 lines
16 KiB
Python
Executable File
448 lines
16 KiB
Python
Executable File
#!/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
|
|
|
|
class UpgradeParams:
|
|
log_filename = 'upgrade_cluster_health_checker.log'
|
|
|
|
#### --------------start : my_error.py --------------
|
|
class MyError(Exception):
|
|
def __init__(self, value):
|
|
self.value = value
|
|
def __str__(self):
|
|
return repr(self.value)
|
|
|
|
#### --------------start : actions.py 只允许执行查询语句--------------
|
|
class QueryCursor:
|
|
__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
|
|
#### ---------------end----------------------
|
|
|
|
#### --------------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' +\
|
|
'-t, --timeout=name check timeout.\n' + \
|
|
'-z, --zone=name If zone is not specified, check all servers status in cluster. \n' +\
|
|
' Otherwise, only check servers status in specified zone. \n' + \
|
|
'\n\n' +\
|
|
'Maybe you want to run cmd like that:\n' +\
|
|
sys.argv[0] + ' -h 127.0.0.1 -P 3306 -u admin -p admin\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),\
|
|
Option('t', 'timeout', True, False, 0),\
|
|
Option('z', 'zone', 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()
|
|
|
|
def get_opt_timeout():
|
|
global g_opts
|
|
for opt in g_opts:
|
|
if 'timeout' == opt.get_long_name():
|
|
return opt.get_value()
|
|
|
|
def get_opt_zone():
|
|
global g_opts
|
|
for opt in g_opts:
|
|
if 'zone' == opt.get_long_name():
|
|
return opt.get_value()
|
|
#### ---------------end----------------------
|
|
|
|
#### --------------start : do_upgrade_pre.py--------------
|
|
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)
|
|
#### ---------------end----------------------
|
|
|
|
def check_zone_valid(query_cur, zone):
|
|
if zone != '':
|
|
sql = """select count(*) from oceanbase.DBA_OB_ZONES where zone = '{0}'""".format(zone)
|
|
(desc, results) = query_cur.exec_query(sql);
|
|
if len(results) != 1 or len(results[0]) != 1:
|
|
raise MyError("unmatched row/column cnt")
|
|
elif results[0][0] == 0:
|
|
raise MyError("zone:{0} doesn't exist".format(zone))
|
|
else:
|
|
logging.info("zone:{0} is valid".format(zone))
|
|
else:
|
|
logging.info("zone is empty, check all servers in cluster")
|
|
|
|
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 set_default_timeout_by_tenant(query_cur, timeout, timeout_per_tenant, min_timeout):
|
|
if timeout > 0:
|
|
logging.info("use timeout from opt, timeout(s):{0}".format(timeout))
|
|
else:
|
|
tenant_id_list = fetch_tenant_ids(query_cur)
|
|
cal_timeout = len(tenant_id_list) * timeout_per_tenant
|
|
timeout = (cal_timeout if cal_timeout > min_timeout else min_timeout)
|
|
logging.info("use default timeout caculated by tenants, "
|
|
"timeout(s):{0}, tenant_count:{1}, "
|
|
"timeout_per_tenant(s):{2}, min_timeout(s):{3}"
|
|
.format(timeout, len(tenant_id_list), timeout_per_tenant, min_timeout))
|
|
|
|
return timeout
|
|
|
|
#### START ####
|
|
# 0. 检查server版本是否严格一致
|
|
def check_server_version_by_zone(query_cur, zone):
|
|
if zone == '':
|
|
logging.info("skip check server version by cluster")
|
|
else:
|
|
sql = """select distinct(substring_index(build_version, '_', 1)) from oceanbase.__all_server where zone = '{0}'""".format(zone);
|
|
(desc, results) = query_cur.exec_query(sql);
|
|
if len(results) != 1:
|
|
raise MyError("servers build_version not match")
|
|
else:
|
|
logging.info("check server version success")
|
|
|
|
# 1. 检查paxos副本是否同步, paxos副本是否缺失
|
|
def check_paxos_replica(query_cur, timeout):
|
|
# 1.1 检查paxos副本是否同步
|
|
sql = """select count(*) from oceanbase.GV$OB_LOG_STAT where in_sync = 'NO'"""
|
|
wait_timeout = set_default_timeout_by_tenant(query_cur, timeout, 10, 600)
|
|
check_until_timeout(query_cur, sql, 0, wait_timeout)
|
|
|
|
# 1.2 检查paxos副本是否有缺失 TODO
|
|
logging.info('check paxos replica success')
|
|
|
|
# 2. 检查observer是否可服务
|
|
def check_observer_status(query_cur, zone, timeout):
|
|
sql = """select count(*) from oceanbase.__all_server where (start_service_time <= 0 or status='inactive')"""
|
|
if zone != '':
|
|
sql += """ and zone = '{0}'""".format(zone)
|
|
wait_timeout = set_default_timeout_by_tenant(query_cur, timeout, 10, 600)
|
|
check_until_timeout(query_cur, sql, 0, wait_timeout)
|
|
|
|
# 3. 检查schema是否刷新成功
|
|
def check_schema_status(query_cur, timeout):
|
|
sql = """select if (a.cnt = b.cnt, 1, 0) as passed from (select count(*) as cnt from oceanbase.__all_virtual_server_schema_info where refreshed_schema_version > 1 and refreshed_schema_version % 8 = 0) as a join (select count(*) as cnt from oceanbase.__all_server join oceanbase.__all_tenant) as b"""
|
|
wait_timeout = set_default_timeout_by_tenant(query_cur, timeout, 30, 600)
|
|
check_until_timeout(query_cur, sql, 1, wait_timeout)
|
|
|
|
# 4. check major finish
|
|
def check_major_merge(query_cur, timeout):
|
|
need_check = 0
|
|
(desc, results) = query_cur.exec_query("""select distinct value from oceanbase.GV$OB_PARAMETERS where name = 'enable_major_freeze';""")
|
|
if len(results) != 1:
|
|
need_check = 1
|
|
elif results[0][0] != 'True':
|
|
need_check = 1
|
|
if need_check == 1:
|
|
wait_timeout = set_default_timeout_by_tenant(query_cur, timeout, 30, 600)
|
|
sql = """select count(1) from oceanbase.CDB_OB_MAJOR_COMPACTION where (GLOBAL_BROADCAST_SCN > LAST_SCN or STATUS != 'IDLE')"""
|
|
check_until_timeout(query_cur, sql, 0, wait_timeout)
|
|
sql2 = """select /*+ query_timeout(1000000000) */ count(1) from oceanbase.__all_virtual_tablet_compaction_info where max_received_scn > finished_scn and max_received_scn > 0"""
|
|
check_until_timeout(query_cur, sql2, 0, wait_timeout)
|
|
|
|
def check_until_timeout(query_cur, sql, value, timeout):
|
|
times = timeout / 10
|
|
while times >= 0:
|
|
(desc, results) = query_cur.exec_query(sql)
|
|
|
|
if len(results) != 1 or len(results[0]) != 1:
|
|
raise MyError("unmatched row/column cnt")
|
|
elif results[0][0] == value:
|
|
logging.info("check value is {0} success".format(value))
|
|
break
|
|
else:
|
|
logging.info("value is {0}, expected value is {1}, not matched".format(results[0][0], value))
|
|
|
|
times -= 1
|
|
if times == -1:
|
|
logging.warn("""check {0} job timeout""".format(job_name))
|
|
raise e
|
|
time.sleep(10)
|
|
|
|
# 开始健康检查
|
|
def do_check(my_host, my_port, my_user, my_passwd, upgrade_params, timeout, need_check_major_status, zone = ''):
|
|
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 = QueryCursor(cur)
|
|
check_zone_valid(query_cur, zone)
|
|
check_observer_status(query_cur, zone, timeout)
|
|
check_paxos_replica(query_cur, timeout)
|
|
check_schema_status(query_cur, timeout)
|
|
check_server_version_by_zone(query_cur, zone)
|
|
if True == need_check_major_status:
|
|
check_major_merge(query_cur, timeout)
|
|
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()
|
|
timeout = int(get_opt_timeout())
|
|
zone = get_opt_zone()
|
|
logging.info('parameters from cmd: host=\"%s\", port=%s, user=\"%s\", password=\"%s\", log-file=\"%s\", timeout=%s, zone=\"%s\"', \
|
|
host, port, user, password, log_filename, timeout, zone)
|
|
do_check(host, port, user, password, upgrade_params, timeout, False, zone) # need_check_major_status = False
|
|
except mysql.connector.Error, e:
|
|
logging.exception('mysql connctor error')
|
|
raise e
|
|
except Exception, e:
|
|
logging.exception('normal error')
|
|
raise e
|
|
|