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[经验分享] 监控CPU负载、Nginx、TCP、PHP、Memcached、Redis、Mysql、Tomcat

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发表于 2018-11-2 11:53:57 | 显示全部楼层 |阅读模式
  
  监控CPU负载
  Agent端:
  [root@zabbix-agent1 ~]# vim /etc/zabbix/zabbix_agentd.conf
  UserParameter=cpu_load1,/usr/bin/w|awk 'NR==1 {print $10}'|awk -F, '{print $1}'
  UserParameter=cpu_load5,/usr/bin/w|awk 'NR==1 {print $11}'|awk -F, '{print $1}'
  UserParameter=cpu_load15,/usr/bin/w|awk 'NR==1 {print $12}'
  Server端:
  [root@zabbix-server ~]# zabbix_get -s 10.0.0.101 -k cpu_load1
  0.00
  [root@zabbix-server ~]# zabbix_get -s 10.0.0.101 -k cpu_load5
  0.01
  [root@zabbix-server ~]# zabbix_get -s 10.0.0.101 -k cpu_load15
  0.05
  Step1(配置-->模板-->创建模板):
DSC0000.jpg

  Step2(创建克隆监控项):
DSC0001.jpg

DSC0002.jpg

DSC0003.jpg

  Step3(创建克隆触发器):
DSC0004.jpg

DSC0005.jpg

DSC0006.jpg

  Step4(创建图形):
DSC0007.jpg

  Step5(添加模板如下图):
DSC0008.jpg

  ab压测使CPU有波动
  Server端:
  [root@zabbix-server ~]# yum install -y httpd-tools
  [root@zabbix-server ~]# ab -n 10000 -c 100 http://10.0.0.101/index
  Agent端:
  [root@zabbix-agent1 ~]# yum install -y httpd
  [root@zabbix-agent1 ~]# systemctl start httpd
  [root@zabbix-agent1 ~]# vim /var/www/html/index.html
  [root@zabbix-agent1 ~]# curl --head http://10.0.0.101/index.html
  监控Nginx服务
  Agent端:
  [root@zabbix-agent1 ~]#  vim /etc/yum.repos.d/nginx.repo
  [root@zabbix-agent1 ~]#  cat /etc/yum.repos.d/nginx.repo
  [nginx]
  name=nginx repo
  baseurl=http://nginx.org/packages/centos/7/x86_64/
  gpgcheck=0
  enabled=1
  [root@zabbix-agent1 ~]#  rpm -qa | grep centos-release
  centos-release-7-4.1708.el7.centos.x86_64
  [root@zabbix-agent1 ~]# yum install -y nginx
  [root@zabbix-agent1 ~]# systemctl start nginx  ##启动前查看是否有其他服务占用80端口(Apache)
  [root@zabbix-agent1 ~]# netstat -lntup|grep nginx
  tcp        0      0 0.0.0.0:80      0.0.0.0:*         LISTEN      76182/nginx: master
  [root@zabbix-agent1 ~]# vim /etc/nginx/conf.d/default.conf
  location /nginx_status {
  stub_status on;
  access_log off;
  allow 127.0.0.1;
  deny all;
  }
  [root@zabbix-agent1 ~]# nginx -t
  nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
  nginx: configuration file /etc/nginx/nginx.conf test is successful

  [root@zabbix-agent1 ~]# nginx -s>  浏览器查看http://10.0.0.101/nginx_status或者
  [root@zabbix-agent1 ~]# curl http://10.0.0.101/nginx_status
  Active connections: 2
  server accepts handled requests
  123 123 129
  Reading: 0 Writing: 1 Waiting: 1
  [root@zabbix-agent1 ~]# mkdir -p /etc/zabbix/scripts
  [root@zabbix-agent1 ~]# cd /etc/zabbix/scripts
  [root@zabbix-agent1 scripts]# vim nginx_status.sh
  #!/bin/bash
  ############################################################
  # $Name:       zabbix_linux_plugins.sh
  # $Version:      v1.0
  # $Function:     zabbix plugins
  # $Author:       Andy
  # $organization: http://blog.51cto.com/13162375
  # $Create Date:  2018-5-18
  # $Description:  Monitor Linux Service Memcached Status
  ############################################################
  if [ $# -ne 1 ];then
  echo $"USAGE:$0 {active|reading|writing|waiting|accepts|handled|requests}"
  exit 1
  Fi
  NGINX_CMD=$1
  NGINX_PORT=80
  nginx_active(){
  /usr/bin/curl -s "http://127.0.0.1:"$NGINX_PORT"/nginx_status/" |awk '/Active/ {print $NF}'
  }
  nginx_reading(){
  /usr/bin/curl -s "http://127.0.0.1:"$NGINX_PORT"/nginx_status/" |awk '/Reading/ {print $2}'
  }
  nginx_writing(){
  /usr/bin/curl -s "http://127.0.0.1:"$NGINX_PORT"/nginx_status/" |awk '/Writing/ {print $4}'
  }
  nginx_waiting(){
  /usr/bin/curl -s "http://127.0.0.1:"$NGINX_PORT"/nginx_status/" |awk '/Waiting/ {print $6}'
  }
  nginx_accepts(){
  /usr/bin/curl -s "http://127.0.0.1:"$NGINX_PORT"/nginx_status/" |awk 'NR==3 {print $1}'
  }
  nginx_handled(){
  /usr/bin/curl -s "http://127.0.0.1:"$NGINX_PORT"/nginx_status/" |awk 'NR==3 {print $2}'
  }
  nginx_requests(){
  /usr/bin/curl -s "http://127.0.0.1:"$NGINX_PORT"/nginx_status/" |awk 'NR==3 {print $3}'
  }
  case $NGINX_CMD in
  active)
  nginx_active
  ;;
  reading)
  nginx_reading
  ;;
  writing)
  nginx_writing
  ;;
  waiting)
  nginx_waiting
  ;;
  accepts)
  nginx_accepts
  ;;
  handled)
  nginx_handled
  ;;
  requests)
  nginx_requests
  ;;
  *)
  echo $"USAGE:$0 {active|reading|writing|waiting|accepts|handled|requests}"
  esac
  [root@zabbix-agent1 scripts]# chmod +x nginx_status.sh
  [root@zabbix-agent1 scripts]# systemctl restart zabbix-agent
  [root@zabbix-agent1 scripts]# cd /etc/zabbix/zabbix_agentd.d
  [root@zabbix-agent1 zabbix_agentd.d]# vim nginx_status.conf
  [root@zabbix-agent1 zabbix_agentd.d]# cat nginx_status.conf
  UserParameter=nginx_status
  • ,/bin/bash /etc/zabbix/scripts/nginx_status.sh "$1"
      Server端检测:
      [root@zabbix-server ~]# zabbix_get -s 10.0.0.101 -k nginx_status[accepts]
      177
      Step1(配置-->模板-->创建模板):
    DSC0009.jpg

      Step2(添加克隆监控项):
    DSC00010.jpg

      Step3(添加触发器):
    DSC00011.jpg

      Add部分
    DSC00012.jpg

      Step4(添加图形):
    DSC00013.jpg

      Step5(为主机添加模板):
    DSC00014.jpg

      监控TCP信息状态
      Agent端:
      [root@zabbix-agent1 ~]# cd /etc/zabbix/scripts/
      [root@zabbix-agent1 scripts]#vim tcp_status.sh
      [root@zabbix-agent1 scripts]# chmod +x tcp_status.sh
      [root@zabbix-agent1 scripts]# sh -x tcp_status.sh ESTAB  ##测试脚本
      + '[' 1 -ne 1 ']'
      + tcp_status_fun ESTAB
      + TCP_STAT=ESTAB
      + ss -ant
      + awk 'NR>1 {++s[$1]} END {for(k in s) print k,s[k]}'
      ++ grep ESTAB /tmp/ss.txt
      ++ cut -d ' ' -f2
      + TCP_STAT_VALUE=1
      + '[' -z 1 ']'
      + echo 1
      1
      [root@zabbix-agent1 zabbix_agentd.d]# vim tcp_status.conf
      [root@zabbix-agent1 zabbix_agentd.d]# cat tcp_status.conf
      UserParameter=tcp_status
  • ,/bin/bash /etc/zabbix/scripts/tcp_status.sh "$1"
      [root@zabbix-agent1 zabbix_agentd.d]# systemctl restart zabbix-agent
      Server端
      [root@zabbix-server ~]# zabbix_get -s 10.0.0.101 -k tcp_status[ESTAB] ##出现这种错误到客户端删掉/opt/ss.txt文件
      /etc/zabbix/scripts/tcp_status.sh: line 18: /tmp/ss.txt: Permission denied
      2
      [root@zabbix-server ~]# zabbix_get -s 10.0.0.101 -k tcp_status[ESTAB]  ##检验键值
      2
      Step1(创建模板):
    DSC00015.jpg

      Step2(创建克隆监控项):
    DSC00016.jpg

      Step3(创建图形):
    DSC00017.jpg

      Step4(关联主机):
    DSC00018.jpg

      中文字符集乱码问题
      [root@zabbix-server ~]# cd /usr/share/zabbix/fonts/
      [root@zabbix-server fonts]# rz simkai.ttf
      [root@zabbix-server fonts]# vim /usr/share/zabbix/include/defines.inc.php  ##修改两处
      #define('ZBX_FONT_NAME', 'graphfont');
      define('ZBX_FONT_NAME', 'simkai');
      #define('ZBX_GRAPH_FONT_NAME',          'graphfont'); // font file name
      define('ZBX_GRAPH_FONT_NAME',           'simkai'); // font file name
      [root@zabbix-server fonts]# systemctl restart zabbix-server
      监控php-fpm状态
      Agent端:
      [root@zabbix-agent1 ~]# yum install -y php php-fpm
      [root@zabbix-agent1 ~]# systemctl start php-fpm
      [root@zabbix-agent1 ~]# netstat -lntup|grep 9000
      tcp      0    0 127.0.0.1:9000   0.0.0.0:*     LISTEN      64086/php-fpm: mast
      [root@zabbix-agent1 ~]# vim /etc/nginx/conf.d/default.conf
      location ~ \.php$ {
      root           /usr/share/nginx/html;
      fastcgi_pass   127.0.0.1:9000;
      fastcgi_index  index.php;
      fastcgi_param  SCRIPT_FILENAME  /usr/share/nginx/html$fastcgi_script_name;
      include        fastcgi_params;
      }
      [root@zabbix-agent1 ~]# vim /usr/share/nginx/html/index.php
      
      浏览器http://10.0.0.101/index.php能否成功
      [root@zabbix-agent1 ~]# vim /etc/php-fpm.d/www.conf
      pm.status_path = /phpfpm_status
      [root@zabbix-agent1 ~]# systemctl restart php-fpm
      [root@zabbix-agent1 ~]# vim /etc/nginx/conf.d/default.conf
      location ~ ^/(phpfpm_status)$ {
      include fastcgi_params;
      fastcgi_pass    127.0.0.1:9000;
      fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
      }
      [root@zabbix-agent1 ~]# nginx -t
      nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
      nginx: configuration file /etc/nginx/nginx.conf test is successful

      [root@zabbix-agent1 ~]# nginx -s>  浏览器http://10.0.0.101/phpfpm_status或者curl http://10.0.0.101/phpfpm_status
      [root@zabbix-agent1 ~]# curl  http://10.0.0.101/phpfpm_status
      pool:                 www
      process manager:      dynamic
      start time:          16/May/2018:19:33:39 +0800
      start since:         462
      accepted conn:       7
      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
      [root@zabbix-agent1 ~]# curl -s http://10.0.0.101/phpfpm_status|awk '/accepted conn:/ {print $NF}'
      7
      [root@zabbix-agent1 ~]# cd /etc/zabbix/scripts
      [root@zabbix-agent1 scripts]# vim phpfpm_status.sh
      [root@zabbix-agent1 scripts]# chmod +x phpfpm_status.sh
      [root@zabbix-agent1 scripts]# cd ..
      [root@zabbix-agent1 zabbix]# cd zabbix_agentd.d/
      [root@zabbix-agent1 zabbix_agentd.d]# vim phpfpm_status.conf
      UserParameter=phpfpm_status
  • ,/bin/bash /etc/zabbix/scripts/phpfpm_status.sh "$1"
      [root@zabbix-agent1 ~]# systemctl restart zabbix-agent
      Server端:
      [root@zabbix-server zabbix]# zabbix_get -s 10.0.0.101 -k phpfpm_status[accepted_conn]
      20
      Step1(创建模板):
    DSC00019.jpg

    DSC00020.jpg

    DSC00021.jpg

      Step2(关联主机):
    DSC00022.jpg

      监控mysql
      Agent端:
      [root@zabbix-agent1 ~]# yum install -y mariadb-server
      [root@zabbix-agent1 ~]# systemctl start mariadb
      [root@zabbix-agent1 ~]# netstat -lntup|grep 3306
      tcp        0      0 0.0.0.0:3306    0.0.0.0:*           LISTEN      31688/mysqld
      [root@zabbix-agent1 ~]# yum install -y https://www.percona.com/redir/downloads/percona-release/redhat/latest/percona-release-0.1-4.noarch.rpm
      [root@zabbix-agent1 ~]# rpm -ql percona-release
      /etc/pki/rpm-gpg/RPM-GPG-KEY-Percona
      /etc/yum.repos.d/percona-release.repo
      /usr/share/doc/percona-release-0.1
      /usr/share/doc/percona-release-0.1/RPM-GPG-KEY-Percona
      [root@zabbix-agent1 ~]# yum install -y percona-zabbix-templates
      [root@zabbix-agent1 ~]# rpm -ql percona-zabbix-templates
      /var/lib/zabbix/percona
      /var/lib/zabbix/percona/scripts
      /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh
      /var/lib/zabbix/percona/scripts/ss_get_mysql_stats.php
      /var/lib/zabbix/percona/templates
      /var/lib/zabbix/percona/templates/userparameter_percona_mysql.conf
      /var/lib/zabbix/percona/templates/zabbix_agent_template_percona_mysql_server_ht_2.0.9-sver1.1.8.xml
      [root@zabbix-agent1 ~]# vim /var/lib/zabbix/percona/scripts/ss_get_mysql_stats.php
      $mysql_user = 'root';
      $mysql_pass = '';
      $mysql_port = 3306;
      [root@zabbix-agent1 ~]# cp /var/lib/zabbix/percona/templates/userparameter_percona_mysql.conf /etc/zabbix/zabbix_agentd.d/
      [root@zabbix-agent1 ~]# systemctl restart zabbix-agent
      由于agent端mariadb没有数据,监控也没有值,只能在server端测试
      [root@zabbix-agent1 ~]# cd /var/lib/
      [root@zabbix-agent1 lib]# scp -r zabbix/ root@10.0.0.102:/var/lib/
      Server端:
      [root@zabbix-server ~]# ls /var/lib/zabbix
      Percona
      [root@zabbix-server scripts]# zabbix_get -s 10.0.0.102 -k MySQL.Threads-connected
      zabbix_get [82941]: Check access restrictions in Zabbix agent configuration
      [root@zabbix-server ~]# vim /etc/zabbix/zabbix_agentd.conf
      Server=10.0.0.102
      [root@zabbix-server scripts]# systemctl restart zabbix-agent
      [root@zabbix-server scripts]# zabbix_get -s 10.0.0.102 -k MySQL.Threads-connected
      25
      剩下就是导入模板和添加主机、关联主机。
      监控Redis
      Agent端:
      [root@zabbix-agent1 ~]# wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
      [root@zabbix-agent1 ~]# yum install -y redis
      [root@zabbix-agent1 ~]# systemctl start redis
      [root@zabbix-agent1 ~]# redis-cli
      127.0.0.1:6379> info
      127.0.0.1:6379> quit
      [root@zabbix-agent1 ~]# cd /etc/zabbix/scripts/
      [root@zabbix-agent1 scripts]# vim redis_status.sh
      [root@zabbix-agent1 scripts]# chmod +x redis_status.sh
      [root@zabbix-agent1 scripts]# cd /etc/zabbix/zabbix_agentd.d/
      [root@zabbix-agent1 zabbix_agentd.d]# vim redis_status.conf
      UserParameter=redis_status
  • ,/bin/bash /etc/zabbix/scripts/redis_status.sh "$1"
      [root@zabbix-agent1 zabbix_agentd.d]# systemctl restart zabbix-agent
      Server端:
      [root@zabbix-server scripts]# zabbix_get -s 10.0.0.101 -k redis_status[used_cpu_sys]
      0.10
      剩下就是导入模板和添加主机、关联主机。
      监控Memcached
      Agent端:
      [root@zabbix-agent2 ~]# yum install -y memcached
      [root@zabbix-agent2 ~]# systemctl start memcached
      [root@zabbix-agent2 ~]# netstat -lntup|grep 11211
      tcp        0      0 0.0.0.0:11211     0.0.0.0:*          LISTEN      58548/memcached
      tcp6       0      0 :::11211           :::*           LISTEN      58548/memcached
      udp       0      0 0.0.0.0:11211       0.0.0.0:*                    58548/memcached
      udp6      0      0 :::11211             :::*                      58548/memcached
      [root@zabbix-agent2 ~]# mkdir -p /etc/zabbix/scripts
      [root@zabbix-agent2 ~]# cd /etc/zabbix/scripts/
      [root@zabbix-agent2 scripts]# vim memcached_status.sh
      [root@zabbix-agent2 scripts]# chmod +x memcached.sh
      [root@zabbix-agent2 scripts]# cd /etc/zabbix/zabbix_agentd.d/
      [root@zabbix-agent2 zabbix_agentd.d]# vim memcache_status.conf
      [root@zabbix-agent2 zabbix_agentd.d]# cat memcache_status.conf
      UserParameter=memcached_status
  • ,/bin/bash /etc/zabbix/scripts/memcached_status.sh "$1"
      Server端:
      [root@zabbix-server ~]# zabbix_get -s 10.0.0.103 -k memcached_status[pid]
      58548
      [root@zabbix-server ~]# zabbix_get -s 10.0.0.103 -k memcached_status[curr_connections]
      10
      剩下就是导入模板和添加主机、关联主机。
      监控Tomcat
      tomcat端:
      [root@zabbix-agent2 package]# rz apache-tomcat-9.0.8.tar.gz
      [root@zabbix-agent2 package]# tar xf apache-tomcat-9.0.8.tar.gz -C /application/
      [root@zabbix-agent2 package]# cd ..
      [root@zabbix-agent2 application]# ln -s /application/apache-tomcat-9.0.8/ /application/apache-tomcat
      [root@zabbix-agent2 application]# ll
      total 0
      lrwxrwxrwx 1 root root  33 May 18 23:51 apache-tomcat -> /application/apache-tomcat-9.0.8/
      drwxr-xr-x 9 root root 160 May 18 23:50 apache-tomcat-9.0.8
      drwxr-xr-x 2 root root  40 May 18 23:47 package
      [root@zabbix-agent2 application]# yum install -y java
      [root@zabbix-agent2 application]# cd apache-tomcat/bin/
      [root@zabbix-agent2 bin]# ./startup.sh
      Using CATALINA_BASE:   /application/apache-tomcat
      Using CATALINA_HOME:   /application/apache-tomcat
      Using CATALINA_TMPDIR: /application/apache-tomcat/temp
      Using JRE_HOME:        /usr

      Using>  Tomcat started.
      [root@zabbix-agent2 bin]# netstat -lntup|grep java
      tcp6       0      0 :::8080           :::*            LISTEN      68252/java
      tcp6       0      0 127.0.0.1:8005      :::*             LISTEN      68252/java
      tcp6       0      0 :::8009           :::*             LISTEN      68252/java
      [root@zabbix-agent2 bin]# vim catalina.sh
      CATALINA_OPTS="$CATALINA_OPTS
      -Dcom.sun.management.jmxremote
      -Dcom.sun.management.jmxremote.port=12345
      -Dcom.sun.management.jmxremote.authenticate=false
      -Dcom.sun.management.jmxremote.ssl=false -Djava.rmi.server.hostname=10.0.0.103"
      [root@zabbix-agent2 bin]# ./shutdown.sh
      [root@zabbix-agent2 bin]# ./startup.sh
      [root@zabbix-agent2 bin]# netstat -lntup|grep java
      tcp6       0      0 :::39246        :::*            LISTEN      68696/java
      tcp6       0      0 :::8080         :::*            LISTEN      68696/java
      tcp6       0      0 :::12345        :::*            LISTEN      68696/java
      tcp6       0      0 :::33370        :::*            LISTEN      68696/java
      tcp6       0      0 127.0.0.1:8005    :::*            LISTEN      68696/java
      tcp6       0      0 :::8009        :::*             LISTEN      68696/java
      Zabbix-java-gateway端:
      [root@zabbix-agent1 ~]# yum install -y zabbix-java-gateway java-1.8.0-openjdk
      [root@zabbix-agent1 ~]# systemctl start zabbix-java-gateway
      [root@zabbix-agent1 ~]# netstat -lntup|grep java
      tcp6       0      0 :::10052       :::*        LISTEN      6934/java
      Zabbix-Server端:
      [root@zabbix-server ~]# vim /etc/zabbix/zabbix_server.conf
      JavaGateway=10.0.0.101
      StartJavaPollers=5
      [root@zabbix-server ~]# systemctl restart zabbix-server
      Step1(配置-->主机-->创建主机):
    DSC00023.jpg

      Step2(添加主机-->添加模板):
    DSC00024.jpg

    DSC00025.jpg

      Step3:
    DSC00026.jpg



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