方法一,zabbix监控redis
1、导入模板
同样，模板我已上传到 github项目 上 。直接下载，通过下面的步骤导入模板：点击configuration ----> templates ------> import -------> 导入下载的xml文件 。
2、客户端key配置
在被监控的主机上，打开/etc/zabbix/zabbix_agentd.conf 配置文件，在最后一行加入：
UserParameter=redis_stats[*],redis-cli -h 127.0.0.1 -p $1 info|grep $2|cut -d : -f2
配置完成后通过/etc/init.d/zabbix_agentd restart 重启服务并应用最新的配置文件。
注：在该文件中还要确认UnsafeUserParameters=1 。
3、服务端验证
验证方式还是通过zabbix_get 程序去获取数据，能正常得到数据，证明通信正常。
| 代码如下 |
复制代码 |
| # zabbix_get -s 172.20.0.20 -k redis_stats[6379,total_connections_received] |
上面正常从被监控主机上取得了数据，c/s通信正常 。
4、添加主机关联模板
通过configuration ------> hosts ------> create host 创建新的主机，并在templates项中，查找Templates Redis_6379 模板，并link 该模板 。就可以正常获取数据了。同样，验证数据使用 monitoring ----- lastest data ---- 打到刚刚添加的主机，查看是否有数据 。
5、查看监控图
通过monitoring ----- graphs 可以查看刚刚添加的监控项的监控图，这里只截下内存使用情况图，
方法二，利用zabbix low level discovery 自动发现监控redis
一、服务器配置
1）配置正则表达式，在后面添加discovery rules时会用到
#这里是个坑，我这里正则匹配的是端口号，刚开始写的是”d+”测试也通过了，全部都配置好了，在服务端通过zabbix_get也能正常获取到client的值，无奈就是不自动上报，检查了一个中午，后来问了几个群友，终于找到原因了，正则要用^(8899|10000)$ 类似这种格式，说多了都是泪呀
最后再查阅官方文档，原来对zabbix的正则没有理解清楚，它的正则是对上报结果的二次处理，其实如果上报的就是准确的，就不用进行二次过滤，最终采用正则一处留空，不进行二次匹配处理
2）创建模板
点击Discovery rules 创建自定义规则
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" alt="zabbix监控redis数据库状态两种方法-数据库字段状态监控">
点击 Item prototypes添加监控项
我这里需要监控4个指标，建立4个item
Key值在客户端定义
二、客户端配置：
先看zabbix_agentd.conf配置文件
| 代码如下 |
复制代码 |
UnsafeUserParameters=1 #允许zabbix用户运行root命令
UserParameter=redis.discovery,/usr/local/zabbix/bin/redis_port.py #获取json格式数据，上报端口
UserParameter=redis[*],/usr/local/zabbix/bin/redis_stats.sh $1 $2 #自定义Key值 |
需要两个脚本：
| 代码如下 |
复制代码 |
ll /usr/local/zabbix/bin/
total 516
-rwxr-xr-x 1 root root 342 Oct 25 16:56 redis_port.py
-rwxr-xr-x 1 root root 773 Oct 25 14:59 redis_stats.sh
-rwxr-xr-x 1 root root 236737 Jul 23 2012 zabbix_get
-rwxr-xr-x 1 root root 278582 Jul 23 2012 zabbix_sender
JSON格式脚本
[root@ ~]# cat /usr/local/zabbix/bin/redis_port.py ##json串
#!/usr/bin/env python
import os
import json
t=os.popen("""netstat -natp|awk -F: '/redis-server/&&/LISTEN/{print $2}'|awk '{print $1}' """)
ports = []
for port in t.readlines():
r = os.path.basename(port.strip())
ports += [{'{#REDISPORT}':r}]
print json.dumps({'data':ports},sort_keys=True,indent=4,separators=(',',':')) |
获取端口数据状态脚本：
| 代码如下 |
复制代码 |
[root@ ~]# cat /usr/local/zabbix/bin/redis_stats.sh ##获取状态
#!/bin/bash
METRIC="$1"
HOSTNAME=127.0.0.1
PORT="${2:-6379}"
CACHE_FILE="/tmp/redis_$PORT.cache"
(echo -en "INFOrn"; sleep 1;) | nc $HOSTNAME $PORT > $CACHE_FILE 2>/dev/null || exit 1
grep "^$METRIC:" $CACHE_FILE |awk -F':|,' '{print $2}'|sed "s/[^0-9]//g"
|
以上是全部配置完成，下来进行测试
在zabbix_server上进行测试，执行以下命令：
| 代码如下 |
复制代码 |
zabbix_get -s 192.168.250.206 -k redis.discovery
得到如下结果：
{
”data”:[
{
"{#REDISPORT}":"10000"
},
{
"{#REDISPORT}":"8899"
}
]
}
OK，自动发现端口成功！
zabbix_get -s 192.168.250.206 -k redis[used_memory,8899]
|
4834072
OK，得到所需要的值！
然后将模板添加到所需要监控的机器上，这个就不上图了
添加完模版以后，查看数据：
在做的过程中遇到以下问题：
1.关于正则的问题
正则匹配不同于普通的正则，多个之间的匹配正则要用^(8899|10000)$ 类似这种格式
或者正则留空
2.权限问题，zabbix_agentd是zabbix用户启动的，默认不能执行netstat -p等命令，导致从服务器取到的自动发现脚本为空
| 代码如下 |
复制代码 |
(Not all processes could be identified, non-owned process info
will not be shown, you would have to be root to see it all.)
解决方法 ：
chmod +s /bin/netstat |
时间： 2024-09-02 08:26:57
