Linux 如何通过某一台服务器调用执行多台远程服务器上的脚本，结果显示在本地？
现在都流行自动化运维了，可能目前技术不够，很多自动化工具还不怎么会用，所以本次只是通过ssh来实现功能。
说明：自己写的一个简单脚本，只是实现了基础功能，还有待优化。
一共三台机器：
master：192.168.4.91
slave1：192.168.4.45
slave2：192.168.4.96
在slave1上远程执行master、slave2上的脚本，结果显示或者放到本地。当然多台系统也行。
一、脚本功能主要是监控系统的一些资源，像cpu，磁盘，网速等等。System_Load.sh
[root@master ~]# cat System_Load.sh
#!/bin/bash
echo -e "\033[31m............................系统当前时间............................\033[0m"
echo -e "System Time: `date "+%Y-%m-%d %H:%M:%S"`"
echo -e "\033[31m...........................主机名以及IP地址.........................\033[0m"
count=`ifconfig |grep Ethernet |grep '^e' |awk '{print $1}'|wc -l`
ifconfig |grep Ethernet |grep '^e' |awk '{print $1}' > /tmp/.value
i=1
while read line
do
em[$i]=$line
i=`expr $i + 1`
done < /tmp/.value
#echo $i
#i=1
for i in `seq $count`
do
echo "${em[$i]}" > /dev/null
done
Hostname=`hostname`
if [ $count = 0 ];then
echo "该服务器没有网卡"
elif [ $count = 1 ];then
em1_ip=`ifconfig ${em[1]} |grep "inet addr" |awk '{print $2}'|awk -F: '{print $2}'`
echo -e "Hostname:"$Hostname "${em[1]}_IP:" $em1_ip
else
em1_ip=`ifconfig ${em[1]} |grep "inet addr" |awk '{print $2}'|awk -F: '{print $2}'`
em2_ip=`ifconfig ${em[2]} |grep "inet addr" |awk '{print $2}'|awk -F: '{print $2}'`
echo -e "Hostname:"$Hostname "${em[1]}_IP:" $em1_ip
echo -e "Hostname:"$Hostname "${em[2]}_IP:" $em2_ip
fi
#CPU以及进程数量监控
echo -e "\033[31m.............cpu load average and process number..................\033[0m"
#us(user time)：用户进程执行消耗cpu时间；sy(system time)：系统进程执行消耗cpu时间；id：空闲时间（包括IO等待时间）；wa：等待IO时间。
CPU_us=$(vmstat | awk '{print $13}' | sed -n '$p')
CPU_sy=$(vmstat | awk '{print $14}' | sed -n '$p')
CPU_id=$(vmstat | awk '{print $15}' | sed -n '$p')
CPU_wa=$(vmstat | awk '{print $16}' | sed -n '$p')
CPU_st=$(vmstat | awk '{print $17}' | sed -n '$p')
CPU1=`cat /proc/stat | grep 'cpu ' | awk '{print $2" "$3" "$4" "$5" "$6" "$7" "$8}'`
sleep 1
CPU2=`cat /proc/stat | grep 'cpu ' | awk '{print $2" "$3" "$4" "$5" "$6" "$7" "$8}'`
IDLE1=`echo $CPU1 | awk '{print $4}'`
IDLE2=`echo $CPU2 | awk '{print $4}'`
CPU1_TOTAL=`echo $CPU1 | awk '{print $1+$2+$3+$4+$5+$6+$7}'`
CPU2_TOTAL=`echo $CPU2 | awk '{print $1+$2+$3+$4+$5+$6+$7}'`
IDLE=`echo "$IDLE2-$IDLE1" | bc`
CPU_TOTAL=`echo "$CPU2_TOTAL-$CPU1_TOTAL" | bc`
RATE=`echo "scale=4;($CPU_TOTAL-$IDLE)/$CPU_TOTAL*100" | bc | awk '{printf "%.2f",$1}'`
echo -e "us=$CPU_us\tsy=$CPU_sy\tid=$CPU_id\twa=$CPU_wa\tst=$CPU_st"
echo "CPU_RATE:${RATE}%"
CPU_RATE=`echo $RATE | cut -d. -f1`
if [ $CPU_RATE -ge 80 ]
then echo "CPU Warn"
ps aux | grep -v USER | sort -rn -k3 | head
fi
load_average=$(uptime |gawk -F':' '{print $NF}')
running_process=$(top -b -d 1 -n 1 |sed -n '2p' |awk -F',' '{print $2}' |awk '{print $1}')
total_process=$(ps -ef |wc -l)
echo
echo "CPU_load_average: ${load_average}"
echo "running_process: ${running_process}"
echo "total_process: ${total_process}"
Host_running_time=$(uptime |sed 's/^.*up//' | awk -F "," '{print $1,$2}')
User_connection_number=$(uptime |cut -d , -f 3)
echo -e "Host_running_time:\t${Host_running_time}\t"
echo -e "User_connection_number:${User_connection_number}"
#系统内存监控
echo -e "\033[31m.......................System Mem usage.............................\033[0m"
Total_Mem=$(free -m |sed -n '2p' |awk '{print $2}')
Usage_Mem=$(free -m |sed -n '2p' |awk '{print $3}')
Free_Mem=$(free -m |sed -n '2p' |awk '{print $4}')
Mem_Usage_Percent=`free -m |sed -n '2p'|awk '{printf "%-1d",$3/$2*100}'`
Swap_Total_Mem=$(free -m |sed -n '4p' |awk '{print $2}')
Swap_Usage_Mem=$(free -m |sed -n '4p' |awk '{print $3}')
Swap_Free_Mem=$(free -m |sed -n '4p' |awk '{print $4}')
Swap_Mem_Usage_Percent=`free -m |sed -n '4p'|awk '{printf "%-1d",$3/$2*100}'`
echo -e "Total_Mem: ${Total_Mem}M\t\t" "Usage_Mem: ${Usage_Mem}M\t"
echo -e "Free_Mem: ${Free_Mem}M\t\t" Mem_Usage_Percent: ${Mem_Usage_Percent}%
echo -e "Swap_Total_Mem: ${Swap_Total_Mem}M\t\t" "Swap_Usage_Mem: ${Swap_Usage_Mem}M\t"
echo -e "Swap_Free_Mem: ${Swap_Free_Mem}M\t\t" Swap_Mem_Usage_Percent: ${Swap_Mem_Usage_Percent}%
#磁盘监控
echo -e "\033[31m..........................Disk usager...........................\033[0m"
#parted适用于Ubuntu
#parted -l |grep -i 'disk' |grep '/dev/[a-z]d[a-z]' |awk -F: '{print $1}' |awk '{print $2}' > /tmp/.disknumber
fdisk -l |grep -i 'disk' |grep '/dev/[a-z]d[a-z]' |awk -F: '{print $1}' |awk '{print $2}' > /tmp/.disknumber
countdisk=`cat /tmp/.disknumber|wc -l`
i=1
while read line
do
disk[$i]=$line
i=`expr $i + 1`
done < /tmp/.disknumber
for i in `set $countdisk`
do
echo "disk[$i]" > /dev/null
done
#disk1_usage=`df -h |grep "${disk[1]}" |awk '{print $5}'`
disk1_home_usage=`df -h |grep home |awk '{print $5}'`
disk1_root_usage=`df -h |grep "/$" |awk '{print $4}'`
disk1_var_usage=`df -h |grep "var" |awk '{print $5}'`
disk1_boot_usage=`df -h |grep "boot" |awk '{print $5}'`
if [ $countdisk -eq 1 ];then
echo -e "${disk[1]} disk usage---------> "
if [ "${disk1_home_usage}" != '' ];then
echo "home partion usage:$disk1_home_usage"
fi
if [ "${disk1_root_usage}" != '' ];then
echo "root partion usage:$disk1_root_usage"
fi
if [ "${disk1_var_usage}" != '' ];then
echo "var partion usage:$disk1_var_usage"
fi
if [ "${disk1_boot_usage}" != '' ];then
echo "boot partion usage:$disk1_boot_usage"
fi
elif [ $countdisk -eq 2 ];then
disk2_data1_usage=`df -h |grep "${disk[2]}" |awk '{print $5}'`
echo -e "${disk[2]} disk usage: "
echo "data1 partion usage:${disk2_data1_usage}"
echo "${disk[1]} disk usage: "
if [ "${disk1_home_usage}" != '' ];then
echo "home partion usage:$disk1_home_usage"
fi
if [ "${disk1_root_usage}" != '' ];then
echo "root partion usage:$disk1_root_usage"
fi
if [ "${disk1_var_usage}" != '' ];then
echo "var partion usage:$disk1_var_usage"
fi
if [ "${disk1_boot_usage}" != '' ];then
echo "boot partion usage:$disk1_boot_usage"
fi
fi
#网卡速率和流量监控
echo -e "\033[31m..................Network card rate and traffic.......................\033[0m"
em1_ip=`ifconfig ${em[1]} |grep "inet addr" |awk '{print $2}'|awk -F: '{print $2}'`
em2_ip=`ifconfig ${em[2]} |grep "inet addr" |awk '{print $2}'|awk -F: '{print $2}'`
em1_rx=`ifconfig ${em[1]} |sed -n '8p' |awk -F '[()]' '{print $2}'`
em1_tx=`ifconfig ${em[1]} |sed -n '8p' |awk -F '[()]' '{print $4}'`
em2_rx=`ifconfig ${em[2]} |sed -n '8p' |awk -F '[()]' '{print $2}'`
em2_tx=`ifconfig ${em[2]} |sed -n '8p' |awk -F '[()]' '{print $4}'`
#em1_Speed=`ethtool $em1 |grep -i speed |awk -F : '{print $2}'`
#em2_Speed=`ethtool $em2 |grep -i speed |awk -F : '{print $2}'`
FLOWA=/tmp/.${em[1]}
ifconfig ${em[1]} |grep "RX byte" |awk '{print $2" "$6}' |awk -Fbytes: '{print "INPUT "$2"OUTPUT "$3}'\ > $FLOWA
INPUTA=`cat $FLOWA |awk '{print $2}'`
OUTPUTA=`cat $FLOWA |awk '{print $4}'`
sleep 1
ifconfig ${em[1]} |grep "RX byte" |awk '{print $2" "$6}' |awk -Fbytes: '{print "INPUT "$2"OUTPUT "$3}'\ > $FLOWA
INPUTB=`cat $FLOWA |awk '{print $2}'`
OUTPUTB=`cat $FLOWA |awk '{print $4}'`
INPUTC=`echo "$INPUTB-$INPUTA" | bc`
OUTPUTC=`echo "$OUTPUTB-$OUTPUTA"| bc`
INPUTMBA=`echo $INPUTC |awk '{printf "%0.3f\n",$1/1024}'`
OUTPUTMBA=`echo $OUTPUTC |awk '{printf "%0.3f\n",$1/1024}'`
INPUT=`echo $INPUTMBA |awk '{printf "%0.3f\n",$1/1024}'`
OUTPUT=`echo $OUTPUTMBA |awk '{printf "%0.3f\n",$1/1024}'`
if [ $INPUTC -le 1048576 ];then
if [ $OUTPUTC -le 1048576 ];then
echo -e "${em[1]}_ip: ${em1_ip}\t" "${em[1]}_RX: ${em1_rx}\t" "${em[1]}_TX: ${em1_tx} " "${em[1]}_Input_Second:"${INPUTMBA}K/S" "${em[1]}_Output_Second:"${OUTPUTMBA}K/S"
else
echo -e "${em[1]}_ip: ${em1_ip}\t" "${em[1]}_RX: ${em1_rx}\t" "${em[1]}_TX: ${em1_tx} " "${em[1]}_Input_Second:"${INPUTMBA}K/S" "${em[1]}_Output_Second:"${OUTPUT}M/S"
fi
elif [ $INPUTC -gt 1048576 ];then
if [ $OUTPUTC -gt 1048576 ];then
echo -e "${em[1]}_ip: ${em1_ip}\t" "${em[1]}_RX: ${em1_rx}\t" "${em[1]}_TX: ${em1_tx} " "${em[1]}_Input_Second:"${INPUT}M/S" "${em[1]}_Output_Second:"${OUTPUTMBA}K/S"
else
echo -e "${em[1]}_ip: ${em1_ip}\t" "${em[1]}_RX: ${em1_rx}\t" "${em[1]}_TX: ${em1_tx} " "${em[1]}_Input_Second:"${INPUT}M/S" "${em[1]}_Output_Second:"${OUTPUT}M/S"
fi
fi
if [ -z ${em[2]} ];then
echo
else
FLOWA=/tmp/.${em[2]}
ifconfig ${em[2]} |grep "RX byte" |awk '{print $2" "$6}' |awk -Fbytes: '{print "INPUT "$2"OUTPUT "$3}'\ > $FLOWA
INPUTA=`cat $FLOWA |awk '{print $2}'`
OUTPUTA=`cat $FLOWA |awk '{print $4}'`
sleep 1
ifconfig ${em[2]} |grep "RX byte" |awk '{print $2" "$6}' |awk -Fbytes: '{print "INPUT "$2"OUTPUT "$3}'\ > $FLOWA
INPUTB=`cat $FLOWA |awk '{print $2}'`
OUTPUTB=`cat $FLOWA |awk '{print $4}'`
INPUTC=`echo "$INPUTB-$INPUTA" | bc`
OUTPUTC=`echo "$OUTPUTB-$OUTPUTA"| bc`
INPUTMBA=`echo $INPUTC |awk '{printf "%0.3f\n",$1/1024}'`
OUTPUTMBA=`echo $OUTPUTC |awk '{printf "%0.3f\n",$1/1024}'`
INPUT=`echo $INPUTMBA |awk '{printf "%0.3f\n",$1/1024}'`
OUTPUT=`echo $OUTPUTMBA |awk '{printf "%0.3f\n",$1/1024}'`
if [ $INPUTC -le 1048576 ];then
if [ $OUTPUTC -le 1048576 ];then
echo -e "${em[2]}_ip: ${em2_ip}\t" "${em[2]}_RX: ${em2_rx}\t" "${em[2]}_TX: ${em2_tx} " "${em[2]}_Input_Second:"${INPUTMBA}K/S" "${em[2]}_Output_Second:"${OUTPUTMBA}K/S"
else
echo -e "${em[2]}_ip: ${em2_ip}\t" "${em[2]}_RX: ${em2_rx}\t" "${em[2]}_TX: ${em2_tx} " "${em[2]}_Input_Second:"${INPUTMBA}K/S" "${em[2]}_Output_Second:"${OUTPUT}M/S"
fi
elif [ $INPUTC -gt 1048576 ];then
if [ "$OUTPUTC" -gt 1048576 ];then
echo -e "${em[2]}_ip: ${em2_ip}\t" "${em[2]}_RX: ${em2_rx}\t" "${em[2]}_TX: ${em2_tx} " "${em[2]}_Input_Second:"${INPUT}M/S" "${em[2]}_Output_Second:"${OUTPUTMBA}K/S"
else
echo -e "${em[2]}_ip: ${em2_ip}\t" "${em[2]}_RX: ${em2_rx}\t" "${em[2]}_TX: ${em2_tx} " "${em[2]}_Input_Second:"${INPUT}M/S" "${em[2]}_Output_Second:"${OUTPUT}M/S"
fi
fi
fi
echo -e "\033[34m------------------------------END-----------------------------\033[0m"
二、拷贝脚本到其他服务器
[root@slave1 monitor]# cat remote_scp.sh
#!/bin/sh
while read user ip
do
user=$user
ip=$ip
remote_cmd=/root/System_Load.sh
scp $remote_cmd $user@$ip:/home/hadoop
done < user_ip.txt
三、用户和IP对应列表
[root@slave1 monitor]# cat user_ip.txt
root 192.168.4.91
root 192.168.4.96
root 192.168.4.45
四、远程执行
[root@slave1 monitor]# cat remote_ssh.sh
#!/bin/sh
while read user ip
do
user=$user
ip=$ip
remote_cmd=/root/System_Load.sh
ssh -n $user@$ip $remote_cmd
done < user_ip.txt
五、结果
