inception安装使用
一个集审核、执行、备份及生成回滚语句于一身的MySQL自动化运维工具,由去哪网开源
安装
- CentOS 7
- Python 3.6
安装基础环境
yum -y install cmake libncurses5-dev libssl-dev g++ bison gcc gcc-c++ openssl-devel ncurses-devel mysql pymysql
安装bison
注意bison版本，centos7如果yum安装bison，会因为版本过高导致编译报错
wget http://ftp.gnu.org/gnu/bison/bison-2.5.1.tar.gz
tar -zxvf bison-2.5.1.tar.gz
cd bison-2.5.1
./configure
make
make install
安装 inception
cd /usr/local/
wget https://github.com/mysql-inception/inception/archive/master.zip
unzip master.zip
cd inception-master/
sh inception_build.sh builddir linux
修改配置
cat /etc/inc.cnf
###################
[inception]
general_log=1
general_log_file=inc.log
port=6669
socket=/tmp/inc.socket
character-set-client-handshake=0
character-set-server=utf8
# 这里的数据库是填inception的库，也用作备份库
inception_remote_system_password=123456
inception_remote_system_user=root
inception_remote_backup_port=3306
inception_remote_backup_host=127.0.0.1
inception_support_charset=utf8
inception_enable_nullable=0
inception_check_primary_key=1
inception_check_column_comment=1
inception_check_table_comment=1
inception_osc_min_table_size=1
inception_osc_bin_dir=/usr/bin
inception_osc_chunk_time=0.1
inception_ddl_support=1
inception_enable_blob_type=1
inception_check_column_default_value=1
###################
启动服务
nohup /usr/local/inception-master/builddir/mysql/bin/Inception --defaults-file=/etc/inc.cnf &
测试是否安装成功
(inception_env) [root@localhost inception-master]# mysql -uroot -h127.0.0.1 -P 6669
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MySQL connection id is 1
Server version: Inception2.1.50 1
Copyright (c) 2000, 2017, Oracle, MariaDB Corporation Ab and others.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
# 有如下输出即可
MySQL [(none)]> inception get variables;
+------------------------------------------+---------------------------------------------+
| Variable_name | Value |
+------------------------------------------+---------------------------------------------+
| autocommit | OFF |
| bind_address | * |
| character_set_system | utf8 |
| character_sets_dir | /usr/local/inception-master/share/charsets/ |
| connect_timeout | 10 |
| date_format | %Y-%m-%d |
| datetime_format | %Y-%m-%d %H:%i:%s |
| general_log | ON |
| general_log_file | inc.log |
| inception_check_autoincrement_datatype | ON |
| inception_check_autoincrement_init_value | ON |
| inception_check_autoincrement_name | ON |
| inception_check_column_comment | ON |
| inception_check_column_default_value | ON |
| inception_check_dml_limit | ON |
| inception_check_dml_orderby | ON |
| inception_check_dml_where | ON |
| inception_check_identifier | ON |
| inception_check_index_prefix | ON |
| inception_check_insert_field | ON |
| inception_check_primary_key | ON |
| inception_check_table_comment | ON |
| inception_check_timestamp_default | ON |
| inception_ddl_support | ON |
| inception_enable_autoincrement_unsigned | ON |
| inception_enable_blob_type | ON |
| inception_enable_column_charset | OFF |
| inception_enable_enum_set_bit | OFF |
| inception_enable_foreign_key | OFF |
| inception_enable_identifer_keyword | OFF |
| inception_enable_not_innodb | OFF |
| inception_enable_nullable | OFF |
| inception_enable_orderby_rand | OFF |
| inception_enable_partition_table | OFF |
| inception_enable_pk_columns_only_int | OFF |
| inception_enable_select_star | OFF |
| inception_enable_sql_statistic | ON |
| inception_max_char_length | 16 |
| inception_max_key_parts | 5 |
| inception_max_keys | 16 |
| inception_max_primary_key_parts | 5 |
| inception_max_update_rows | 10000 |
| inception_merge_alter_table | ON |
| inception_osc_alter_foreign_keys_method | none |
| inception_osc_bin_dir | /usr/bin |
| inception_osc_check_alter | ON |
| inception_osc_check_interval | 5.000000 |
| inception_osc_check_replication_filters | ON |
| inception_osc_chunk_size | 1000 |
| inception_osc_chunk_size_limit | 4.000000 |
| inception_osc_chunk_time | 0.100000 |
| inception_osc_critical_thread_connected | 1000 |
| inception_osc_critical_thread_running | 80 |
| inception_osc_drop_new_table | ON |
| inception_osc_drop_old_table | ON |
| inception_osc_max_lag | 3.000000 |
| inception_osc_max_thread_connected | 1000 |
| inception_osc_max_thread_running | 80 |
| inception_osc_min_table_size | 1 |
| inception_osc_on | ON |
| inception_osc_print_none | ON |
| inception_osc_print_sql | ON |
| inception_osc_recursion_method | processlist |
| inception_password | |
| inception_read_only | OFF |
| inception_remote_backup_host | 127.0.0.1 |
| inception_remote_backup_port | 3306 |
| inception_remote_system_password | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 |
| inception_remote_system_user | root |
| inception_support_charset | utf8 |
| inception_user | |
| interactive_timeout | 28800 |
| max_allowed_packet | 1073741824 |
| max_connect_errors | 100 |
| max_connections | 151 |
| net_buffer_length | 16384 |
| net_read_timeout | 30 |
| net_write_timeout | 60 |
| port | 6669 |
| query_alloc_block_size | 8192 |
| query_prealloc_size | 8192 |
| socket | /tmp/inc.socket |
| thread_handling | one-thread-per-connection |
| thread_stack | 262144 |
| time_format | %H:%i:%s |
| version | Inception2.1.50 |
| version_comment | Source distribution |
| version_compile_machine | x86_64 |
| version_compile_os | Linux |
| wait_timeout | 28800 |
+------------------------------------------+---------------------------------------------+
90 rows in set (0.00 sec)
使用
对sql的审核都是在脚本中调用inception去实现的,下面就简单使用下
准备脚本
(inception_env) [vagrant@localhost ~]$ cat test.py
#!/usr/bin/python
#-\*-coding: utf-8-\*-
''' 建库建表语句
CREATE DATABASE test;
CREATE TABLE IF NOT EXISTS `mytable1`(
`id` INT UNSIGNED AUTO_INCREMENT,
`myname` VARCHAR(10) NOT NULL,
PRIMARY KEY ( `id` )
)ENGINE=InnoDB DEFAULT CHARSET=utf8;
'''
import pymysql
# 待审核/执行的sql语句（需包含目标数据库的地址、端口 等参数）
sql='/* --user=root;--password=123456;--host=127.0.0.1;--port=3306;--enable-check; */\
inception_magic_start;\
use test;\
insert into mytable1 (myname) values ("xianyu1"),("xianyu2");\
insert into mytable1 (myname) values ("xianyu1"),("xianyu2");\
inception_magic_commit;'
try:
# inception的地址、端口等
conn=pymysql.connect(host='127.0.0.1',user='root',passwd='123456',db='',port=6669)
cur=conn.cursor()
ret=cur.execute(sql)
result=cur.fetchall()
num_fields = len(cur.description)
field_names = [i[0] for i in cur.description]
print (result)
'''
for row in result:
print row[0], "|",row[1],"|",row[2],"|",row[3],"|",row[4],"|",
row[5],"|",row[6],"|",row[7],"|",row[8],"|",row[9],"|",row[10]
'''
cur.close()
conn.close()
except Exception as e:
print (e)
注意:
- --enable-check是审核sql
- --enable-execute是执行sql
具体指令参考官方文档
http://mysql-inception.github.io/inception-document/
如果就这样直接执行是会报如下错误的
invalid literal for int() with base 10: 'Inception2'
因为inception是不支持python3的pymysql库的，所以得修改下pymysql的源码才行
查找pymysql源码修改connections.py文件
找到_request_authentication方法
def _request_authentication(self):
# https://dev.mysql.com/doc/internals/en/connection-phase-packets.html#packet-Protocol::HandshakeResponse
if int(self.server_version.split('.', 1)[0]) >= 5:
self.client_flag |= CLIENT.MULTI_RESULTS
修改为
def _request_authentication(self):
# https://dev.mysql.com/doc/internals/en/connection-phase-packets.html#packet-Protocol::HandshakeResponse
try:
if int(self.server_version.split('.', 1)[0]) >= 5:
self.client_flag |= CLIENT.MULTI_RESULTS
except:
if self.server_version.split('.', 1)[0] == 'Inception2':
self.client_flag |= CLIENT.MULTI_RESULTS
现在我们来执行下脚本看看
(inception_env) [vagrant@localhost ~]$ python test.py
((1, 'CHECKED', 0, 'Audit completed', 'None', 'use test', 0, "'0_0_0'", 'None', '0', ''), (2, 'CHECKED', 0, 'Audit completed', 'None', 'insert into mytable1 (myname) values ("xianyu1"),("xianyu2")', 2, "'0_0_1'", '127_0_0_1_3306_test', '0', ''), (3, 'CHECKED', 0, 'Audit completed', 'None', 'insert into mytable1 (myname) values ("xianyu1"),("xianyu2")', 2, "'0_0_2'", '127_0_0_1_3306_test', '0', ''))
可以看到sql审核过了(Audit completed)，没有问题，那来执行sql看看(把脚本里的--enable-check改成--enable-execute)
(inception_env) [vagrant@localhost ~]$ python test.py
((1, 'RERUN', 0, 'Execute Successfully', 'None', 'use test', 0, "'1533472093_33_0'", 'None', '0.000', ''),
(2, 'EXECUTED', 0, 'Execute Successfully\nBackup successfully', 'None', 'insert into mytable1 (myname) values ("xianyu1"),("xianyu2")', 2, "'1533472093_33_1'", '127_0_0_1_3306_test', '0.010', ''), (3, 'EXECUTED', 0, 'Execute Successfully\nBackup successfully', 'None', 'insert into mytable1 (myname) values ("xianyu1"),("xianyu2")', 2, "'1533472093_33_2'", '127_0_0_1_3306_test', '0.000', ''))
可以看到(Execute Successfully\nBackup successfully)sql执行成功并且被备份了回滚语句
开启数据库binlog选项(不开启的话是不会生成备份库的)
cat /etc/my.cnf
[mysqld]
log-bin = mysql-bin
binlog_format = ROW
server-id = 1
我们去看看(备份的数据在配置文件指定的库里)
(inception_env) [root@localhost bin]# mysql -uroot -h127.0.0.1 -p123456
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is 35
Server version: 5.5.56-MariaDB MariaDB Server
Copyright (c) 2000, 2017, Oracle, MariaDB Corporation Ab and others.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
MariaDB [(none)]> show databases;
+---------------------+
| Database |
+---------------------+
| information_schema |
# 备份库
| 127_0_0_1_3306_test |
# inception的库 不用管它
| inception |
| performance_schema |
| test |
+---------------------+
13 rows in set (0.00 sec)
MariaDB [127_0_0_1_3306_test]> select * from $_$Inception_backup_information$_$;
+-----------------+-------------------+------------------+------------------+----------------+--------------------------------------------------------------+-----------+--------+-----------+------+---------------------+--------+
| opid_time | start_binlog_file | start_binlog_pos | end_binlog_file | end_binlog_pos | sql_statement | host | dbname | tablename | port | time | type |
+-----------------+-------------------+------------------+------------------+----------------+--------------------------------------------------------------+-----------+--------+-----------+------+---------------------+--------+
| 1533448913_2_1 | mysql-bin.000001 | 245 | mysql-bin.000001 | 445 | insert into mytable1 (myname) values ("xianyu1"),("xianyu2") | 127.0.0.1 | test | mytable1 | 3306 | 2018-08-05 07:01:53 | INSERT |
| 1533448913_2_2 | mysql-bin.000001 | 445 | mysql-bin.000001 | 645 | insert into mytable1 (myname) values ("xianyu1"),("xianyu2") | 127.0.0.1 | test | mytable1 | 3306 | 2018-08-05 07:01:53 | INSERT |
2 rows in set (0.00 sec)
MariaDB [127_0_0_1_3306_test]> select * from mytable1;
+----+--------------------------------------------+-----------------+
| id | rollback_statement | opid_time |
+----+--------------------------------------------+-----------------+
| 1 | DELETE FROM `test`.`mytable1` WHERE id=13; | 1533448913_2_1 |
| 2 | DELETE FROM `test`.`mytable1` WHERE id=14; | 1533448913_2_1 |
| 3 | DELETE FROM `test`.`mytable1` WHERE id=15; | 1533448913_2_2 |
| 4 | DELETE FROM `test`.`mytable1` WHERE id=16; | 1533448913_2_2 |
4 rows in set (0.00 sec)
注意:
- $_$Inception_backup_information$_$表记录的是执行sql记录<br>
- mytable1表记录的是sql回滚语句
下面看下inception在项目中的定位
用户在页面上点击通过django对inception进行调用进行sql的审核、执行、备份及生成回滚
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