Cacti - SOCKSTAT - tcpInuse

目标

目标探索

# cat /proc/net/sockstat
sockets: used 6121
TCP: inuse 6142 orphan 0 tw 63905 alloc 6145 mem 4206
UDP: inuse 6 mem 3
UDPLITE: inuse 0
RAW: inuse 0
FRAG: inuse 0 memory 0
[root@10-125-89-135 ~]#

提取有价值目标

socketsUsed
tcpInuse
tcpOrphan
tcpTw
tcpAlloc
tcpMem

Client

部署脚本

#!/bin/bash
#  Filepath: /usr/local/nagios/libexec/check_sockstat
#  socketsUsed
#  tcpInuse
#  tcpOrphan
#  tcpTw
#  tcpAlloc
#  tcpMem
#
#  sockets: used 6121
#  TCP: inuse 6142 orphan 0 tw 63905 alloc 6145 mem 4206
#  UDP: inuse 6 mem 3
#  UDPLITE: inuse 0
#  RAW: inuse 0
#  FRAG: inuse 0 memory 0
#  [root@10-125-89-135 ~]#
#
#

#echo "OK"
#echo $1

if [ $1 = "socketsUsed" ];then
name="socketsUsed"
result=`cat /proc/net/sockstat | grep sockets | awk '{print $3}'`
fi

if [ $1 = "tcpInuse" ];then
name="tcpInuse"
result=`cat /proc/net/sockstat | grep TCP | awk '{print $3}'`
fi

if [ $1 = "tcpOrphan" ];then
name="tcpOrphan"
result=`cat /proc/net/sockstat | grep TCP | awk '{print $5}'`
fi

if [ $1 = "tcpTw" ];then
name="tcpTw"
result=`cat /proc/net/sockstat | grep TCP | awk '{print $7}'`
fi

if [ $1 = "tcpAlloc" ];then
name="tcpAlloc"
result=`cat /proc/net/sockstat | grep TCP | awk '{print $9}'`
fi

if [ $1 = "tcpMem" ];then
name="tcpMem"
result=`cat /proc/net/sockstat | grep TCP | awk '{print $11}'`
fi

echo "$name:$result"

测试结果

[root@10-125-89-135 libexec]# ./check_sockstat socketsUsed
socketsUsed:5655
[root@10-125-89-135 libexec]# ./check_sockstat tcpInuse
tcpInuse:5694
[root@10-125-89-135 libexec]# ./check_sockstat tcpOrphan
tcpOrphan:0
[root@10-125-89-135 libexec]# ./check_sockstat tcpTw
tcpTw:64047
[root@10-125-89-135 libexec]# ./check_sockstat tcpAlloc
tcpAlloc:5716
[root@10-125-89-135 libexec]# ./check_sockstat tcpMem
tcpMem:2257

设置nrpe命令

command[cacti_sockstat]=/usr/local/nagios/libexec/check_sockstat $ARG1$

本地测试

[root@10-125-89-135 libexec]# /usr/local/nagios/libexec/check_sockstat tcpInuse
tcpInuse:5704

远程测试

[root@10-180-92-195 ~]# /usr/local/nagios/libexec/check_nrpe -H 10.125.89.135 -c cacti_sockstat -a tcpInuse
tcpInuse:5704

Cacti

data input method

data template

graph template

命令行部署

#!/bin/bash

ip=$1

# 判断是否存在，如果存在就退出
hostfind=`php add_graphs.php --list-hosts | grep $ip$ | wc -l`
[ $hostfind -eq 1 ] && ( echo "host $ip 已经存在 ";exit 0 )

# 添加hosts
php add_device.php --description=$ip --ip=$ip --template=9
hostid=`php add_graphs.php --list-hosts | grep $ip$ | awk '{print $1}'`

echo $hostid
#exit 0

#[[ $hostid -gt 70 ]] || exit 0

# 开始画vmstat
php add_graphs.php --graph-type=cg --graph-template-id=76 --host-id=$hostid --input-fields="server_addr=$ip"