xtradb cluster集群zabbix监控
监控指标
官网参考地址：
https://www.percona.com/doc/percona-xtradb-cluster/5.6/manual/monitoring.html
1、报警参数
每个集群节点状态：
wsrep_cluster_status != Primary
wsrep_connected != ON
wsrep_ready != ON
复制冲突过高
流量控制信息
复制队列大小
2、长期图表收集参数
队列大小
流量控制
本节点进出交换数量
进出交换的字节数
复制冲突
Zabbix监控脚本
[root@yang-219 ~]# cat monit_xtradb.py
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
#!/usr/bin/python env
#coding=utf-8
#time: 2015-8-12
#function: monit xtradb cluster status
#author: yangr
import
re,time,os
import
commands
###variable 数据库及监控项变量定义区域
mysql_user
=
'sstuser'
mysql_pass
=
's3cret'
mysql_host
=
'localhost'
mysql_port
=
'3306'
monit_message
=
'''
wsrep_cluster_status
wsrep_connected
wsrep_ready
wsrep_local_cert_failures
wsrep_local_bf_aborts
wsrep_flow_control_sent
wsrep_flow_control_recv
wsrep_local_recv_queue
wsrep_local_recv_queue
wsrep_local_send_queue
wsrep_flow_control_sent
wsrep_flow_control_recv
wsrep_replicated
wsrep_received
wsrep_replicated_bytes
wsrep_received_bytes
wsrep_local_cert_failures
wsrep_local_bf_aborts
'''
monit_list
=
monit_message.split()
####zabbix 相关参数定义区域
zabbix_agent_file
=
'/usr/local/zabbix/etc/zabbix_agentd.conf'
zabbix_server
=
commands.getstatusoutput(
'''grep '^ServerActive' %s|awk -F[=] '{print $2}' '''
%
zabbix_agent_file)[
1
].strip()
zabbix_hostname
=
commands.getstatusoutput(
'''grep '^Hostname' %s|awk -F[=] '{print $2}' '''
%
zabbix_agent_file)[
1
].strip()
zabbix_server_port
=
10051
timestamp
=
int
(time.time())
tmp_file_path
=
'/tmp/xtradb_cluster_status.txt'
zabbix_hostname
=
'zabbix_server'
zabbix_server
=
'zabbix_server'
####end variable变量定义结束
#获取全局状态信息
status,global_status
=
commands.getstatusoutput(
''' mysql -u%s -p%s -h%s -P%s -e 'show global status like "wsrep%%";' '''
%
(mysql_user,mysql_pass,mysql_host,mysql_port))
#print ''' mysql -u%s -p%s -h%s -P%s -e 'show global status like "wsrep%%";' '''%(mysql_user,mysql_pass,mysql_host,mysql_port)
#print global_status
global_status
=
global_status.split(
'\n'
)
#print global_status
#清空文件
with
open
(tmp_file_path,
'wb'
) as f:
f.write('')
#循环要监控的指标
for
i
in
monit_list:
#循环状态列表，取出指标当前的值
for
n
in
global_status:
if
"%s\t"
%
i
in
n:
value
=
re.sub(r
'.*\t'
,'',n).strip()
#print i,'value:',value
#把值写入临时文件
with
open
(tmp_file_path,
'ab'
) as f:
f.write(
'%s %s %s %s\n'
%
(zabbix_hostname,i,timestamp,value))
#把临时文件通过zabbix_sender命令发送到server端
send_data_cmd
=
'/usr/local/zabbix/bin/zabbix_sender -vv -z %s -p %s -T -i %s'
%
(zabbix_server,zabbix_server_port,tmp_file_path)
print
'/usr/local/zabbix/bin/zabbix_sender -vv -z %s -p %s -T -i %s'
%
(zabbix_server,zabbix_server_port,tmp_file_path)
#print send_data_cmd
os.popen(send_data_cmd)
|
脚本里monit_message对应的监控项，需要在zabbix服务器上添加对应的监控项，然后把这个脚本放到crontab里每分钟执行一次即可。
本文转自杨云1028 51CTO博客，原文链接：http://blog.51cto.com/yangrong/1684141，如需转载请自行联系原作者
