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  • Zabbix--04 自定义模版、web监控

    一、自定义模版

    1.创建模版

    1.1克隆出三台

    1.2直接创建好触发器

    1.3创建图形

    模版创建好,再次创建主机就可直接选择用

    修改模版,可全部生效

    例如:把时间修改成30天

    2.导出模版

    3.监控TCP11种状态

    编写zabbix配置文件

    [root@web01 /etc/zabbix/zabbix_agentd.d]# cat zbx_tcp.conf 
    UserParameter=ESTABLISHED,netstat -ant|grep  -c 'ESTABLISHED'
    UserParameter=SYN_SENT,netstat -ant|grep  -c 'SYN_SENT'
    UserParameter=SYN_RECV,netstat -ant|grep  -c 'SYN_RECV'
    UserParameter=FIN_WAIT1,netstat -ant|grep  -c 'FIN_WAIT1'
    UserParameter=FIN_WAIT2,netstat -ant|grep  -c 'FIN_WAIT2'
    UserParameter=TIME_WAIT,netstat -ant|grep  -c 'TIME_WAIT'
    UserParameter=CLOSE,netstat -ant|grep  -c 'CLOSE'
    UserParameter=CLOSE_WAIT,netstat -ant|grep  -c 'CLOSE_WAIT'
    UserParameter=LAST_ACK,netstat -ant|grep  -c 'LAST_ACK'
    UserParameter=LISTEN,netstat -ant|grep  -c 'LISTEN'
    UserParameter=CLOSING,netstat -ant|grep  -c 'CLOSING'
    

    3.2.重启zabbix-agent

    [root@web01 ~]# systemctl restart zabbix-agent.service 
    

    3.3.测试监控项

    使用zabbix-get命令测试

    [root@m01 ~]# yum install zabbix-get.x86_64 -y
    [root@m01 ~]# zabbix_get -s 10.0.1.7 -k ESTABLISHED
    2
    [root@m01 ~]# zabbix_get -s 10.0.1.7 -k LISTEN
    12
    

    4.导入模版文件

    5.主机关联模版文件

    6.查看最新数据

    7.查看图形

    二、自定义模版监控nginx状态

    1.开启监控页面并访问测试

    [root@web01 ~]# cat /etc/nginx/conf.d/status.conf 
    server {
       listen 80;
       server_name localhost;
       location /nginx_status {
           stub_status on;
           access_log off;
       }
    }
    
    [root@web01 ~]# curl 127.0.0.1/nginx_status/
    Active connections: 1 
    server accepts handled requests
     6 6 6 
    Reading: 0 Writing: 1 Waiting: 0 
    

    2.准备nginx监控状态脚本

    [root@web01 /etc/zabbix/zabbix_agentd.d]# cat nginx_monitor.sh 
    #!/bin/bash
    NGINX_COMMAND=$1
    CACHEFILE="/tmp/nginx_status.txt"
    CMD="/usr/bin/curl http://127.0.0.1/nginx_status/"
    if [ ! -f $CACHEFILE  ];then
       $CMD >$CACHEFILE 2>/dev/null
    fi
    # Check and run the script
    TIMEFLM=`stat -c %Y $CACHEFILE`
    TIMENOW=`date +%s`
    
    if [ `expr $TIMENOW - $TIMEFLM` -gt 60 ]; then
        rm -f $CACHEFILE
    fi
    if [ ! -f $CACHEFILE  ];then
       $CMD >$CACHEFILE 2>/dev/null
    fi
    
    nginx_active(){
             grep 'Active' $CACHEFILE| awk '{print $NF}'
             exit 0;
    }
    nginx_reading(){
             grep 'Reading' $CACHEFILE| awk '{print $2}'
             exit 0;
    }
    nginx_writing(){
             grep 'Writing' $CACHEFILE | awk '{print $4}'
             exit 0;
    }
    nginx_waiting(){
             grep 'Waiting' $CACHEFILE| awk '{print $6}'
             exit 0;
    }
    nginx_accepts(){
             awk NR==3 $CACHEFILE| awk '{print $1}' 
             exit 0;
    }
    nginx_handled(){
             awk NR==3 $CACHEFILE| awk '{print $2}' 
             exit 0;
    }
    nginx_requests(){
             awk NR==3 $CACHEFILE| awk '{print $3}'
             exit 0;
    }
    
    case $NGINX_COMMAND in
        active)
            nginx_active;
            ;;
        reading)
            nginx_reading;
            ;;
        writing)
            nginx_writing;
            ;;
        waiting)
            nginx_waiting;
            ;;
        accepts)
            nginx_accepts;
            ;;
        handled)
            nginx_handled;
            ;;
        requests)
            nginx_requests;
            ;;
        *)
    echo 'Invalid credentials';
    exit 2;
    esac
    

    3.编写zabbix监控配置文件

    [root@web01 ~]# cat /etc/zabbix/zabbix_agentd.d/nginx_status.conf
    UserParameter=nginx_status[*],/bin/bash /etc/zabbix/zabbix_agentd.d/nginx_monitor.sh $1
    
    [root@web01 ~]# systemctl restart zabbix-agent.service
    

    4.使用zabbix_get取值

    [root@m01 ~]# zabbix_get -s 10.0.1.7 -k nginx_status[accepts]
    7
    

    5.导入模版

    6.链接模版

    7.查看数据

    三、自定义模版监控php状态

    1.开启监控页面

    [root@web01 ~]# tail -1 /etc/php-fpm.d/www.conf    
    pm.status_path = /php_status
    
    [root@web01 ~]# cat /etc/nginx/conf.d/status.conf    
    server {
       listen 80;
       server_name localhost;
       location /nginx_status {
           stub_status on;
           access_log off;
       }
    
       location /php_status {
           fastcgi_pass 127.0.0.1:9000;
           fastcgi_index index.php;
           fastcgi_param SCRIPT_FILENAME html$fastcgi_script_name;
           include fastcgi_params;
       }
    }
    
    [root@web01 ~]# nginx -t
    nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
    nginx: configuration file /etc/nginx/nginx.conf test is successful
    [root@web01 ~]# systemctl restart nginx.service php-fpm.service
    

    2.访问测试

    [root@web01 ~]# curl 127.0.0.1/php_status
    pool:                 www
    process manager:      dynamic
    start time:           08/Aug/2019:22:31:27 +0800
    start since:          37
    accepted conn:        1
    listen queue:         0
    max listen queue:     0
    listen queue len:     128
    idle processes:       4
    active processes:     1
    total processes:      5
    max active processes: 1
    max children reached: 0
    slow requests:        0
    

    3.准备访问脚本

    [root@web01 ~]# cat /etc/zabbix/zabbix_agentd.d/fpm.sh 
    #!/bin/bash
    ##################################
    # Zabbix monitoring script
    #
    # php-fpm:
    #  - anything available via FPM status page
    #
    ##################################
    # Contact:
    #  vincent.viallet@gmail.com
    ##################################
    # ChangeLog:
    #  20100922     VV      initial creation
    ##################################
    
    # Zabbix requested parameter
    ZBX_REQ_DATA="$1"
    ZBX_REQ_DATA_URL="$2"
    
    # Nginx defaults
    NGINX_STATUS_DEFAULT_URL="http://localhost/fpm/status"
    WGET_BIN="/usr/bin/wget"
    
    #
    # Error handling:
    #  - need to be displayable in Zabbix (avoid NOT_SUPPORTED)
    #  - items need to be of type "float" (allow negative + float)
    #
    ERROR_NO_ACCESS_FILE="-0.91"
    ERROR_NO_ACCESS="-0.92"
    ERROR_WRONG_PARAM="-0.93"
    ERROR_DATA="-0.94" # either can not connect /   bad host / bad port
    
    # Handle host and port if non-default
    if [ ! -z "$ZBX_REQ_DATA_URL" ]; then
      URL="$ZBX_REQ_DATA_URL"
    else
      URL="$NGINX_STATUS_DEFAULT_URL"
    fi
    
    # save the nginx stats in a variable for future parsing
    NGINX_STATS=$($WGET_BIN -q $URL -O - 2>/dev/null)
    
    # error during retrieve
    if [ $? -ne 0 -o -z "$NGINX_STATS" ]; then
      echo $ERROR_DATA
      exit 1
    fi
    
    # 
    # Extract data from nginx stats
    #
    #RESULT=$(echo "$NGINX_STATS" | awk 'print $0;match($0, "^'"$ZBX_REQ_DATA"':[[:space:]]+(.*)", a) { print a[1] }')
    #RESULT=$(echo "$NGINX_STATS" | grep "$ZBX_REQ_DATA" | awk -F : '{print $2}')
    RESULT=$(echo "$NGINX_STATS" | awk -F : "{if($1=="$ZBX_REQ_DATA") print $2}")
    if [ $? -ne 0 -o -z "$RESULT" ]; then
        echo $ERROR_WRONG_PARAM
        exit 1
    fi
    
    echo $RESULT
    
    exit 0
    
    [root@web01 ~]# bash /etc/zabbix/zabbix_agentd.d/fpm.sh "total processes" http://127.0.0.1/php_status
    5
    

    4.准备zabbix配置文件

    [root@web01 ~]# cat /etc/zabbix/zabbix_agentd.d/fpm.conf    
    UserParameter=php-fpm[*],/etc/zabbix/zabbix_agentd.d/fpm.sh "$1" "$2"
    [root@web01 ~]# systemctl restart zabbix-agent.service
    

    4.使用zabbix_get取值

    [root@m01 ~]# zabbix_get -s 10.0.1.7 -k php-fpm["total processes",http://127.0.0.1/php_status]
    5
    

    5.导入模版

    导入之后需要修改一下模版里的宏配置

    四、WEB监控

    需求,监控页面状态码

    创建触发器

    停掉服务时

    启动服务

    五、故障记录总结

    故障1

    故障现象:
    提示zabbix-server is not running

    img

    报错日志:

     34983:20190807:202215.171 database is down: reconnecting in 10 seconds
     34983:20190807:202225.172 [Z3001] connection to database 'zabbix' failed: [1045] Access denied for user 'zabbix'@'localhost' (using password: NO)
    

    故障原因:
    zabbix-server的配置文件里配有配置数据库密码
    故障解决:
    添加正确的数据库账号密码信息

    [root@m01 ~]# grep "^DB" /etc/zabbix/zabbix_server.conf     
    DBHost=localhost
    DBName=zabbix
    DBUser=zabbix
    DBPassword=zabbix
    

    故障2

    故障现象:微信报警失败
    报错日志:

    [root@m01 ~]# tail -f /var/log/zabbix/zabbix_server.log 
    Problem name: TIME_WAIT过多
    Host: web01
    Severity: Average
    
    Original problem ID: 51
    '": Traceback (most recent call last):
      File "/usr/lib/zabbix/alertscripts/weixin.py", line 7, in <module>
        import requests
    ImportError: No module named requests
    

    问题原因:
    缺少模块 requests

    问题解决:
    安装缺失的依赖包

    [root@m01 ~]# yum install python-pip
    [root@m01 ~]# pip install --upgrade pip
    [root@m01 ~]# pip install requests
    

    故障3

    故障现象:
    在server端使用zabbix_get命令测试键值命令时提示警告

    [root@m01 ~]# zabbix_get -s 10.0.1.7 -k ESTABLISHED  
    (Not all processes could be identified, non-owned process info
     will not be shown, you would have to be root to see it all.)
    2
    

    问题原因:
    zabbix_agent是以普通用户zabbix运行的,而普通用户执行netstat -antp时会有警告,网上查找发现只要不是用p参数就可以以普通用户运行
    解决方案:
    监控脚本里的命令修改为netstat -ant

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  • 原文地址:https://www.cnblogs.com/gongjingyun123--/p/12063691.html
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