72 lines
3.0 KiB
Python
Executable File
72 lines
3.0 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 time
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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 re
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import string
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from random import Random
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from actions import DMLCursor
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from actions import QueryCursor
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import binascii
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import my_utils
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import actions
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import sys
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import upgrade_health_checker
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# 主库需要执行的升级动作
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def do_special_upgrade(conn, cur, timeout, user, passwd):
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# special upgrade action
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#升级语句对应的action要写在下面的actions begin和actions end这两行之间，
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#因为基准版本更新的时候会调用reset_upgrade_scripts.py来清空actions begin和actions end
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#这两行之间的这些代码，如果不写在这两行之间的话会导致清空不掉相应的代码。
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current_version = actions.fetch_observer_version(cur)
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target_version = actions.get_current_cluster_version()
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# when upgrade across version, disable enable_ddl/major_freeze
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if current_version != target_version:
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actions.set_parameter(cur, 'enable_ddl', 'False', timeout)
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actions.set_parameter(cur, 'enable_major_freeze', 'False', timeout)
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actions.set_tenant_parameter(cur, '_enable_adaptive_compaction', 'False', timeout)
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# wait scheduler in storage to notice adaptive_compaction is switched to false
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time.sleep(60 * 2)
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query_cur = actions.QueryCursor(cur)
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wait_major_timeout = 600
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upgrade_health_checker.check_major_merge(query_cur, wait_major_timeout)
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actions.do_suspend_merge(cur, timeout)
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# When upgrading from a version prior to 4.2 to version 4.2, the bloom_filter should be disabled.
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# The param _bloom_filter_enabled is no longer in use as of version 4.2, there is no need to enable it again.
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if actions.get_version(current_version) < actions.get_version('4.2.0.0')\
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and actions.get_version(target_version) >= actions.get_version('4.2.0.0'):
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actions.set_tenant_parameter(cur, '_bloom_filter_enabled', 'False', timeout)
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# Disable enable_rebalance of sys tenant to avoid automatic unit migration
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# regardless of the same version upgrade or cross-version upgrade.
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# enable_rebalance is changed from cluster level to tenant level since 4.2.
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if actions.get_version(current_version) < actions.get_version('4.2.0.0'):
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actions.set_parameter(cur, 'enable_rebalance', 'False', timeout)
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else:
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only_sys_tenant = True
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actions.set_tenant_parameter(cur, 'enable_rebalance', 'False', timeout, only_sys_tenant)
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####========******####======== actions begin ========####******========####
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return
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####========******####========= actions end =========####******========####
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def query(cur, sql):
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log(sql)
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cur.execute(sql)
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results = cur.fetchall()
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return results
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def log(msg):
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logging.info(msg)
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def get_oracle_tenant_ids(cur):
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return [_[0] for _ in query(cur, 'select tenant_id from oceanbase.__all_tenant where compatibility_mode = 1')]
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def get_tenant_ids(cur):
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return [_[0] for _ in query(cur, 'select tenant_id from oceanbase.__all_tenant')]
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