153 lines
6.6 KiB
Python
Executable File
153 lines
6.6 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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from my_error import MyError
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import sys
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import mysql.connector
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from mysql.connector import errorcode
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import logging
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import config
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import opts
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import run_modules
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import actions
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import special_upgrade_action_pre
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import upgrade_health_checker
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# 由于用了/*+read_consistency(WEAK) */来查询，因此升级期间不能允许创建或删除租户
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class UpgradeParams:
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log_filename = config.pre_upgrade_log_filename
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sql_dump_filename = config.pre_upgrade_sql_filename
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rollback_sql_filename = config.pre_upgrade_rollback_sql_filename
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def config_logging_module(log_filenamme):
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logging.basicConfig(level=logging.INFO,\
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format='[%(asctime)s] %(levelname)s %(filename)s:%(lineno)d %(message)s',\
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datefmt='%Y-%m-%d %H:%M:%S',\
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filename=log_filenamme,\
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filemode='w')
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# 定义日志打印格式
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formatter = logging.Formatter('[%(asctime)s] %(levelname)s %(filename)s:%(lineno)d %(message)s', '%Y-%m-%d %H:%M:%S')
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#######################################
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# 定义一个Handler打印INFO及以上级别的日志到sys.stdout
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stdout_handler = logging.StreamHandler(sys.stdout)
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stdout_handler.setLevel(logging.INFO)
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# 设置日志打印格式
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stdout_handler.setFormatter(formatter)
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# 将定义好的stdout_handler日志handler添加到root logger
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logging.getLogger('').addHandler(stdout_handler)
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def print_stats():
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logging.info('==================================================================================')
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logging.info('============================== STATISTICS BEGIN ==================================')
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logging.info('==================================================================================')
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logging.info('succeed run sql(except sql of special actions): \n\n%s\n', actions.get_succ_sql_list_str())
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logging.info('commited sql(except sql of special actions): \n\n%s\n', actions.get_commit_sql_list_str())
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logging.info('==================================================================================')
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logging.info('=============================== STATISTICS END ===================================')
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logging.info('==================================================================================')
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def do_upgrade(my_host, my_port, my_user, my_passwd, timeout, my_module_set, upgrade_params):
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try:
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conn = mysql.connector.connect(user = my_user,
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password = my_passwd,
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host = my_host,
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port = my_port,
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database = 'oceanbase',
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raise_on_warnings = True)
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cur = conn.cursor(buffered=True)
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try:
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query_cur = actions.QueryCursor(cur)
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actions.check_server_version_by_cluster(cur)
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if run_modules.MODULE_BEGIN_UPGRADE in my_module_set:
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logging.info('================begin to run begin upgrade action===============')
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conn.autocommit = True
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actions.do_begin_upgrade(cur, timeout)
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conn.autocommit = False
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actions.refresh_commit_sql_list()
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logging.info('================succeed to run begin upgrade action===============')
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if run_modules.MODULE_BEGIN_ROLLING_UPGRADE in my_module_set:
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logging.info('================begin to run begin rolling upgrade action===============')
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conn.autocommit = True
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actions.do_begin_rolling_upgrade(cur, timeout)
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conn.autocommit = False
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actions.refresh_commit_sql_list()
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logging.info('================succeed to run begin rolling upgrade action===============')
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if run_modules.MODULE_SPECIAL_ACTION in my_module_set:
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logging.info('================begin to run special action===============')
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conn.autocommit = True
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special_upgrade_action_pre.do_special_upgrade(conn, cur, timeout, my_user, my_passwd)
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conn.autocommit = False
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actions.refresh_commit_sql_list()
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logging.info('================succeed to run special action===============')
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if run_modules.MODULE_HEALTH_CHECK in my_module_set:
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logging.info('================begin to run health check action ===============')
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upgrade_health_checker.do_check(my_host, my_port, my_user, my_passwd, upgrade_params, timeout)
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logging.info('================succeed to run health check action ===============')
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except Exception, e:
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logging.exception('run error')
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raise e
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finally:
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# 打印统计信息
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print_stats()
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# 将回滚sql写到文件中
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# actions.dump_rollback_sql_to_file(upgrade_params.rollback_sql_filename)
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cur.close()
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conn.close()
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except mysql.connector.Error, e:
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logging.exception('connection error')
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raise e
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except Exception, e:
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logging.exception('normal error')
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raise e
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def do_upgrade_by_argv(argv):
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upgrade_params = UpgradeParams()
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opts.change_opt_defult_value('log-file', upgrade_params.log_filename)
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opts.parse_options(argv)
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if not opts.has_no_local_opts():
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opts.deal_with_local_opts('upgrade_pre')
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else:
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opts.check_db_client_opts()
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log_filename = opts.get_opt_log_file()
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upgrade_params.log_filename = log_filename
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# 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
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config_logging_module(upgrade_params.log_filename)
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try:
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host = opts.get_opt_host()
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port = int(opts.get_opt_port())
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user = opts.get_opt_user()
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password = opts.get_opt_password()
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timeout = int(opts.get_opt_timeout())
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cmd_module_str = opts.get_opt_module()
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module_set = set([])
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all_module_set = run_modules.get_all_module_set()
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cmd_module_list = cmd_module_str.split(',')
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for cmd_module in cmd_module_list:
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if run_modules.ALL_MODULE == cmd_module:
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module_set = module_set | all_module_set
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elif cmd_module in all_module_set:
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module_set.add(cmd_module)
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else:
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raise MyError('invalid module: {0}'.format(cmd_module))
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logging.info('parameters from cmd: host=\"%s\", port=%s, user=\"%s\", password=\"%s\", timeout=\"%s\", module=\"%s\", log-file=\"%s\"',\
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host, port, user, password, timeout, module_set, log_filename)
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do_upgrade(host, port, user, password, timeout, module_set, upgrade_params)
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except mysql.connector.Error, e:
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logging.exception('mysql connctor error')
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logging.exception('run error, maybe you can reference ' + upgrade_params.rollback_sql_filename + ' to rollback it')
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raise e
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except Exception, e:
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logging.exception('normal error')
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logging.exception('run error, maybe you can reference ' + upgrade_params.rollback_sql_filename + ' to rollback it')
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raise e
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