zabbix自定义监控mysql状态和延迟
文章目录
- zabbix自定义监控mysql状态和延迟
- zabbix自定义监控mysql状态
- 配置主从
- 配置自定义监控
- 添加监控项
- 添加触发器
- 模拟测试异常
- zabbix自定义监控mysql延迟
- 配置自定义监控
- 添加监控项
- 添加触发器
- 测试
zabbix自定义监控mysql状态
配置主从
1.安装mysql-server
//主
[root@master ~]# yum -y install mysql-server
Complete!//从
[root@slave ~]# yum -y install mysql-server
Complete!2.开启服务
//主
[root@master ~]# systemctl enable --now mysqld
Created symlink /etc/systemd/system/multi-user.target.wants/mysqld.service → /usr/lib/systemd/system/mysqld.service.
[root@master ~]# ss -antl
State Recv-Q Send-Q Local Address:Port Peer Address:Port Process
LISTEN 0 128 0.0.0.0:22 0.0.0.0:*
LISTEN 0 4096 0.0.0.0:10050 0.0.0.0:*
LISTEN 0 70 *:33060 *:*
LISTEN 0 151 *:3306 *:*
LISTEN 0 128 [::]:22 [::]:* //从
[root@slave ~]# systemctl enable --now mysqld
Created symlink /etc/systemd/system/multi-user.target.wants/mysqld.service → /usr/lib/systemd/system/mysqld.service.
[root@slave ~]# ss -antl
State Recv-Q Send-Q Local Address:Port Peer Address:Port Process
LISTEN 0 128 0.0.0.0:22 0.0.0.0:*
LISTEN 0 70 *:33060 *:*
LISTEN 0 128 [::]:22 [::]:*
LISTEN 0 151 *:3306 *:* 3.修改数据库密码
//主
[root@master ~]# mysql
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 8.0.32 Source distributionCopyright (c) 2000, 2023, Oracle and/or its affiliates.Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql> alter user root@localhost identified with mysql_native_password by 'Passw0rd@_~'-> ;
Query OK, 0 rows affected (0.00 sec)mysql> quit
Bye
[root@master ~]# mysql -uroot -pPassw0rd@_~
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 9
Server version: 8.0.32 Source distributionCopyright (c) 2000, 2023, Oracle and/or its affiliates.Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql> quit
Bye//从
[root@slave ~]# mysql
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 8.0.32 Source distributionCopyright (c) 2000, 2023, Oracle and/or its affiliates.Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql> alter user root@localhost identified with mysql_native_password by 'Passw0rd@_~';
Query OK, 0 rows affected (0.00 sec)mysql> quit
Bye
[root@slave ~]# mysql -uroot -pPassw0rd@_~
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 9
Server version: 8.0.32 Source distributionCopyright (c) 2000, 2023, Oracle and/or its affiliates.Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql> quit
Bye4.创建用户授权并修改配置文件
//主
[root@master ~]# mysql -uroot -pPassw0rd@_~
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 10
Server version: 8.0.32 Source distributionCopyright (c) 2000, 2023, Oracle and/or its affiliates.Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql> create user repl@192.168.116.139 identified with mysql_native_password by 'Passw0rd@_~';
Query OK, 0 rows affected (0.00 sec)mysql> grant replication slave on *.* to repl@192.168.116.139;
Query OK, 0 rows affected (0.00 sec)mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)mysql> quit
Bye//从
[root@slave ~]# mysql -urepl -p'Passw0rd@_~' -h192.168.116.143
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 11
Server version: 8.0.32 Source distributionCopyright (c) 2000, 2023, Oracle and/or its affiliates.Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql> //主
[root@master ~]# vim /etc/my.cnf.d //进去之后看见一个mysql-server.cnf，把光标移到这回车一下，直接在后面加内容
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
log-error=/var/log/mysql/mysqld.log
pid-file=/run/mysqld/mysqld.pid
log-bin = mysql_bin
server-id = 10
[root@master ~]# systemctl restart mysqld
[root@master ~]# ss -antl
State Recv-Q Send-Q Local Address:Port Peer Address:Port Process
LISTEN 0 128 0.0.0.0:22 0.0.0.0:*
LISTEN 0 4096 0.0.0.0:10050 0.0.0.0:*
LISTEN 0 70 *:33060 *:*
LISTEN 0 151 *:3306 *:*
LISTEN 0 128 [::]:22 [::]:* //从
[root@slave ~]# vim /etc/my.cnf.d
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
log-error=/var/log/mysql/mysqld.log
pid-file=/run/mysqld/mysqld.pid
relay-log = mysql_relay_bin
server-id = 20
[root@slave ~]# systemctl restart mysqld
[root@slave ~]# ss -antl
State Recv-Q Send-Q Local Address:Port Peer Address:Port Process
LISTEN 0 128 0.0.0.0:22 0.0.0.0:*
LISTEN 0 70 *:33060 *:*
LISTEN 0 128 [::]:22 [::]:*
LISTEN 0 151 *:3306 *:* 5.实现主从的同步
//主
[root@master ~]# mysql -uroot -pPassw0rd@_~
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 8.0.32 Source distributionCopyright (c) 2000, 2023, Oracle and/or its affiliates.Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql> show master status;
+------------------+----------+--------------+------------------+-------------------+
| File | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set |
+------------------+----------+--------------+------------------+-------------------+
| mysql_bin.000001 | 157 | | | |
+------------------+----------+--------------+------------------+-------------------+
1 row in set (0.00 sec)//从
[root@slave ~]# mysql -uroot -pPassw0rd@_~
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 8.0.32 Source distributionCopyright (c) 2000, 2023, Oracle and/or its affiliates.Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql> change master to -> master_host='192.168.116.143',-> master_user='repl',-> master_password='Passw0rd@_~',-> master_log_file='mysql_bin.000001',-> master_log_pos=157;
Query OK, 0 rows affected, 8 warnings (0.01 sec)mysql> start slave;
Query OK, 0 rows affected, 1 warning (0.01 sec)mysql> show slave status\G;
*************************** 1. row ***************************Slave_IO_State: Waiting for source to send eventMaster_Host: 192.168.116.143Master_User: replMaster_Port: 3306Connect_Retry: 60Master_Log_File: mysql_bin.000001Read_Master_Log_Pos: 157Relay_Log_File: mysql_relay_bin.000002Relay_Log_Pos: 326Relay_Master_Log_File: mysql_bin.000001Slave_IO_Running: YesSlave_SQL_Running: YesReplicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 0Last_Error: Skip_Counter: 0Exec_Master_Log_Pos: 157Relay_Log_Space: 536Until_Condition: NoneUntil_Log_File: Until_Log_Pos: 0Master_SSL_Allowed: NoMaster_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: 0
Master_SSL_Verify_Server_Cert: NoLast_IO_Errno: 0Last_IO_Error: Last_SQL_Errno: 0Last_SQL_Error: Replicate_Ignore_Server_Ids: Master_Server_Id: 10Master_UUID: 77f22ade-aeb5-11ee-b197-000c297b5e5cMaster_Info_File: mysql.slave_master_infoSQL_Delay: 0SQL_Remaining_Delay: NULLSlave_SQL_Running_State: Replica has read all relay log; waiting for more updatesMaster_Retry_Count: 86400Master_Bind: Last_IO_Error_Timestamp: Last_SQL_Error_Timestamp: Master_SSL_Crl: Master_SSL_Crlpath: Retrieved_Gtid_Set: Executed_Gtid_Set: Auto_Position: 0Replicate_Rewrite_DB: Channel_Name: Master_TLS_Version: Master_public_key_path: Get_master_public_key: 0Network_Namespace:
1 row in set, 1 warning (0.00 sec)//主
[root@master ~]# mysql -uroot -pPassw0rd@_~
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 10
Server version: 8.0.32 Source distributionCopyright (c) 2000, 2023, Oracle and/or its affiliates.Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| sys |
+--------------------+
4 rows in set (0.00 sec)mysql> create database hl;
Query OK, 1 row affected (0.00 sec)mysql> show databases;
+--------------------+
| Database |
+--------------------+
| hl |
| information_schema |
| mysql |
| performance_schema |
| sys |
+--------------------+
5 rows in set (0.00 sec)//从
[root@slave ~]# mysql -uroot -pPassw0rd@_~
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 15
Server version: 8.0.32 Source distributionCopyright (c) 2000, 2023, Oracle and/or its affiliates.Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql> show databases;
+--------------------+
| Database |
+--------------------+
| hl |
| information_schema |
| mysql |
| performance_schema |
| sys |
+--------------------+
5 rows in set (0.00 sec)配置自定义监控
1.编写脚本
//从
[root@slave ~]# mysql -uroot -pPassw0rd@_~ -e 'show slave status\G' 2> /dev/null | grep Running: | awk '{print $2}'|grep -c 'Yes'
2
[root@slave ~]# mkdir /scripts
[root@slave ~]# touch /scripts/mysql_msstatus.sh
[root@slave ~]# cd /scripts
[root@slave scripts]# ls
mysql_msstatus.sh
[root@slave scripts]# chmod +x mysql_msstatus.sh
[root@slave scripts]# ls
mysql_msstatus.sh
[root@slave scripts]# vim mysql_msstatus.sh
[root@slave scripts]# cat mysql_msstatus.sh
#!/bin/bashcount=$(mysql -uroot -pPassw0rd@_~ -e 'show slave status\G' 2> /dev/null | grep Running: | awk '{print $2}'|grep -c 'Yes')echo $count
[root@slave scripts]# ./mysql_msstatus.sh
22.安装zabbix_agent
//安装依赖包
[root@slave ~]# yum -y install gcc gcc-c++ pcre-devel
Complete!//下载软件包
[root@slave ~]# ls
alter anaconda-ks.cfg quit zabbix-6.4.10.tar.gz//解压
[root@slave ~]# tar xf zabbix-6.4.10.tar.gz
[root@slave ~]# ls
alter anaconda-ks.cfg quit zabbix-6.4.10 zabbix-6.4.10.tar.gz//编译
[root@slave ~]# cd zabbix-6.4.10
[root@slave zabbix-6.4.10]# ./configure --help| grep agent--enable-agent Turn on build of Zabbix agent and client utilities--enable-agent2 Turn on build of Zabbix agent 2
[root@slave zabbix-6.4.10]# ./configure --enable-agent
***********************************************************
* Now run 'make install' *
* *
* Thank you for using Zabbix! *
* <http://www.zabbix.com> *
***********************************************************
[root@slave zabbix-6.4.10]# make && make install
[root@slave zabbix-6.4.10]# echo $?
0//设置开机自启
[root@slave ~]# cp /usr/lib/systemd/system/sshd.service /usr/lib/systemd/system/zabbix.service
[root@slave ~]# vim /usr/lib/systemd/system/zabbix.service
[root@slave ~]# cat /usr/lib/systemd/system/zabbix.service
[Unit]
Description=zabbix server daemon
After=network.target [Service]
Type=forking
ExecStart=/usr/local/sbin/zabbix_agentd
ExecStop=pkill zabbix
ExecReload=/bin/kill -HUP $MAINPID[Install]
WantedBy=multi-user.target
[root@slave ~]# systemctl daemon-reload//创建系统用户
[root@slave ~]# useradd -r -M -s /sbin/nologin zabbix//启动服务
[root@slave ~]# systemctl start zabbix
[root@slave ~]# systemctl enable zabbix
[root@slave ~]# systemctl start zabbix
[root@slave ~]# systemctl enable zabbix
[root@slave ~]# ss -antl
State Recv-Q Send-Q Local Address:Port Peer Address:Port Process
LISTEN 0 128 0.0.0.0:22 0.0.0.0:*
LISTEN 0 4096 0.0.0.0:10050 0.0.0.0:*
LISTEN 0 70 *:33060 *:*
LISTEN 0 128 [::]:22 [::]:*
LISTEN 0 151 *:3306 *:* 3.编辑zabbix_agentd.conf配置文件
[root@slave ~]# cd /usr/local/etc
[root@slave etc]# ls
zabbix_agentd.conf zabbix_agentd.conf.d
[root@slave etc]# vim zabbix_agentd.conf
UnsafeUserParameters=1 //取消注释并开启
UserParameter=check_mysqlms,/scripts/mysql_msstatus.sh //到最后面加
[root@slave ~]# systemctl restart zabbix
[root@slave ~]# ss -antl
State Recv-Q Send-Q Local Address:Port Peer Address:Port Process
LISTEN 0 128 0.0.0.0:22 0.0.0.0:*
LISTEN 0 4096 0.0.0.0:10050 0.0.0.0:*
LISTEN 0 70 *:33060 *:*
LISTEN 0 128 [::]:22 [::]:*
LISTEN 0 151 *:3306 *:* 4.到zabbix_server主机中获取数据
[root@zabbixserver ~]# zabbix_get -s 192.168.116.139 -k check_mysqlms
25.加密脚本文件让其他用户不可查看
[root@slave ~]# chown -R zabbix.zabbix /scripts
[root@slave ~]# ll /scripts
total 8
-rwxr-xr-x 1 zabbix zabbix 148 Jan 9 16:19 mysql_msrelay.sh
-rwxr-xr-x 1 zabbix zabbix 150 Jan 9 14:59 mysql_msstatus.sh
[root@slave ~]# chmod 700 /scripts
[root@slave ~]# ll /
drwx------ 2 zabbix zabbix 55 Jan 9 16:19 scripts//测试
[root@slave ~]# su - tom
[tom@slave ~]$ ll /
drwx------ 2 zabbix zabbix 55 Jan 9 16:19 scripts
[tom@slave ~]$ cd /scripts
-bash: cd: /scripts: Permission denied
[tom@slave ~]$ cat /scripts/mysql_msstatus.sh
cat: /scripts/mysql_msstatus.sh: Permission denied
添加监控项
添加触发器
模拟测试异常
zabbix自定义监控mysql延迟
配置自定义监控
1.编写脚本
mysql> show slave status\G;
Seconds_Behind_Master: 0
[root@slave ~]# mysql -uroot -pPassw0rd@_~ -e 'show slave status\G' 2> /dev/null | grep Seconds_Behind_Master | awk '{print $2}'
0
[root@slave ~]# cd /scripts
[root@slave scripts]# ls
mysql_msstatus.sh
[root@slave scripts]# touch mysql_msrelay.sh
[root@slave scripts]# chmod +x mysql_msrelay.sh
[root@slave scripts]# vim mysql_msrelay.sh
[root@slave scripts]# cat mysql_msrelay.sh
#!/bin/bashrelay=$(mysql -uroot -pPassw0rd@_~ -e 'show slave status\G' 2> /dev/null | grep Seconds_Behind_Master | awk '{print $2}')echo $relay
[root@slave scripts]# ./mysql_msrelay.sh
02.写入配置文件
[root@slave scripts]# vim /usr/local/etc/zabbix_agentd.conf
UserParameter=check_msrelay,/scripts/mysql_msrelay.sh
[root@slave scripts]# systemctl restart zabbix
[root@slave scripts]# ss -antl
State Recv-Q Send-Q Local Address:Port Peer Address:Port Process
LISTEN 0 128 0.0.0.0:22 0.0.0.0:*
LISTEN 0 4096 0.0.0.0:10050 0.0.0.0:*
LISTEN 0 70 *:33060 *:*
LISTEN 0 128 [::]:22 [::]:*
LISTEN 0 151 *:3306 *:* 3.在zabbixserver主机中获取数据
[root@zabbixserver ~]# zabbix_get -s 192.168.116.139 -k check_msrelay
0添加监控项
添加触发器
测试
)
