shell监控脚本-监控网络

shell监控脚本-监控网络

注意:请先参考 shell监控脚本-准备工作,监控脚本在 rhel5/6 下测试正常，其它版本的linux 系统请自行测试
#监控网络

1. cat chk_ping.sh

2. #!/bin/bash

3. #

4. #script_name:chk_ping.sh

5. #check network

6. #

7. #last update 20130320 by dongnan

8. #bbs# http://bbs.ywwd.net/

9. #blog# http://dngood.blog.51cto.com

10. #lost

11. # ping -f -c 20  202.013.191.31

12. #PING 202.013.191.31 (202.11.191.31) 56(84) bytes of data.

13. #....................

14. #--- 202.013.191.31 ping statistics ---

15. #20 packets transmitted, 0 received, 100% packet loss, time 236ms

16. #delay

17. # ping -f -c 20 199.192.152.2

18. #PING 199.192.152.2 (199.192.152.2) 56(84) bytes of data.                    

19. #--- 199.192.152.2 ping statistics ---

20. #20 packets transmitted, 20 received, 0% packet loss, time 227ms

21. #rtt min/avg/max/mdev = 266.758/268.957/272.593/1.787 ms, pipe 20, ipg/ewma 11.959/269.829 ms

22. #

23. #variables

24. ping=/bin/ping

25. delay_limit=100

26. loss_limit=20

27. sh_dir=/root/sh/

28. crondir=${sh_dir}crontab

29. source ${sh_dir}CONFIG

30. user=`id -u`

31. hosts="$ALLHOSTS"

32. #main

33. #root权限

34. if [ "$user" -ne 0 ];then

35.    echo "must root !!"

36.    exit 1

37. fi

38. #主循环遍历机器

39. for HOST in $hosts ;do

40. flag_ping_file="$crondir/log/$HOST.ping"

41. error_log="$crondir/log/ping_error.log"

42. #true

43. if ! $ping -W 2 -f -c 10 $HOST > $crondir/log/ping.log 2>&1;then

44.    grep "packet loss" $crondir/log/ping.log >$crondir/log/ping.loss

45.    #返回值0,定义delay 与 loss 变量

46. loss=`awk '{print $6}' $crondir/log/ping.loss | awk -F% '{print $1}'`

47.    #loss 大于规定限制，则发送报警邮件

48.    if [ "$loss" -ge "$loss_limit" ];then

49.        if [ ! -f $flag_ping_file ];then

50.            #sms

51.            #for mobile in $MOBILES;do

52.                #echo "Monitor to $HOST delay $delay'ms;$loss% packet loss" | /usr/local/bin/gammu --sendsms TEXT "$mobile" -unicode

53.            #done

54.            #mail

55.            for mail in $MAILS;do

56.                echo "Monitor to $HOST $loss% packet loss" | mail -s "$HOST lost" $mail

57.            done

58.            #log

59.            date +'%F %T' >>$error_log

60.            cat $crondir/log/ping.log >>$error_log

61.            #生成flag文件

62.            echo "$HOST network error" >$flag_ping_file

63.        fi

64.    fi

65. #false  

66. else

67.    #loss 小于规定限制，则发送解除报警邮件

68.    if [ -f $flag_ping_file ];then

69.        #sms

70.        #for mobile in $MOBILES;do

71.            #echo "$HOST network ok"|/usr/local/bin/gammu --sendsms TEXT "$mobile" -unicode

72.        #done

73.        #mail

74.        for mail in $MAILS;do

75.            echo "$HOST network ok" | mail -s "$HOST network ok" $MAILS

76.        done

77.        #delete flag

78.        rm -f $flag_ping_file

79.    fi

80. #  

81. fi

82. #

83. done

结束
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本文转自 dongnan 51CTO博客，原文链接：http://blog.51cto.com/dngood/1163556