交换机配置的自动备份与变更告警

[root@wiki-qfeng multissh]# ./multissh -ips "192.168.15.101-192.168.15.115" -cmds "terminal length 0;show run" -u admin -p password -outTxt -f ./conf/      2018/04/13 21:26:06 Multissh start2018/04/13 21:26:08 Multissh finished. Process time 1.350904329s. Number of active ip is 15
[root@wiki-qfeng conf]# ls192.168.15.101.txt  192.168.15.102.txt  192.168.15.103.txt  192.168.15.104.txt  192.168.15.105.txt
[root@wiki-qfeng conf]# cat 192.168.15.101.txt sw-1#terminal length 0sw-1#show runBuilding configuration...
Current configuration : 4246 bytes!! Last configuration change at 03:25:58 UTC Sun Apr 8 2018 by admin! NVRAM config last updated at 03:25:57 UTC Sun Apr 8 2018 by admin!…………

>>> s1 = ['bacon\n', 'eggs\n', 'ham\n', 'guido\n']>>> s2 = ['python\n', 'eggy\n', 'hamster\n', 'guido\n']>>> for line in unified_diff(s1, s2, fromfile='before.py', tofile='after.py'):...     sys.stdout.write(line)   --- before.py+++ after.py@@ -1,4 +1,4 @@-bacon-eggs-ham+python+eggy+hamster guido

#!/usr/bin/python# encoding: utf-8import difflibimport timeimport osimport shutilfrom email.mime.text import MIMETextfrom email.mime.multipart import MIMEMultipartimport smtplib

conf_path = '/opt/swbackup/conf/'backup_path = '/opt/swbackup/backup/'mailto_list=["user1@example.org","user2@example.org","user3@example.org"]mail_host="smtp.example.org"mail_user="user@example.org"mail_pass="mailpasswd"RuiJie = ["ruijie1.txt","ruijie2.txt","ruijie3.txt"]
####################
def compare(source,target,current,original):    lines1 = get_lines(source)    lines2 = get_lines(target)
    result = list(difflib.unified_diff(lines1, lines2, fromfile=current, tofile=original))    return result
def get_lines(filename):    f = open(filename)    lines = f.read().splitlines()    newlines = []    split_list = filename.split('/')    filename = split_list[(len(split_list)-1)]    for l in lines:        # 滤除时间行        if "!Time: " in l:            continue        # 滤除空白行        if (l == "") or (l == "!"):            continue        # 滤除配置变更提示行        if "! Last configuration change at" in l:            continue        if "! NVRAM config last updated at" in l:            continue        # 滤除配置大小行        if "Current configuration :" in l:            continue        # 滤除 checksum 提示行        if "Cryptochecksum:" in l:            continue        # 滤除 enable 输入行        if ">enable" in l:            continue        # 滤除 Password 输入行        if "Password:" in l:            continue        # 滤除 terminal length 0 输入行        if "terminal length 0" in l:            continue        # 滤除 show run 命令行        if "show run" in l:            continue        # 滤除 display cu 行        if "display cu" in l:            continue        # 滤除 VTY is now available 行        if ("VTY" in l) and ("is now available" in l):            continue        # 滤除时间行        if (" UTC" in l) and ("config" not in l):            continue        # 滤除 ntp clock 行        if "ntp clock-period" in l:            continue        # 滤除 login 时间行        if "The last login time is" in l:            continue        # 滤除 login 时间行        if "The current login time is" in l:            continue        # 对于锐捷，滤除 radius-server key 变更行        if (filename in RuiJie) and ("radius-server key 7" in l):            continue        newlines.append(l + "\n")    f.close()    return newlines

def load_conf(path):    files= os.listdir(path)    return files

def send_mail(to_list,sub,content,att_path):    msg = MIMEMultipart()
    msg.attach(MIMEText(content,_subtype='plain',_charset='utf-8'))    split_list = att_path.split('/')    filename = split_list[(len(split_list)-1)]    att = MIMEText(open(att_path, 'rb').read(), 'base64', 'utf-8')    att["Content-Type"] = 'application/octet-stream'    att["Content-Disposition"] = 'attachment; filename=' + filename    msg.attach(att)        msg['Subject'] = sub    msg['From'] = mail_user    msg['To'] = ",".join(to_list)    try:        s = smtplib.SMTP()        s.connect(mail_host)        s.login(mail_user,mail_pass)        s.sendmail(mail_user, to_list, msg.as_string())        s.close()        return True    except Exception, e:        print str(e)        return False
if __name__=='__main__':    conf_file = load_conf(conf_path)    backup_file = load_conf(backup_path)
    for f in conf_file:        now = conf_path + f        backup = backup_path + f        if f in backup_file:            res = compare(backup, now, f + " original",f + " current")            if len(res) >0:                content = "".join(res)                send_mail(mailto_list, "switch_backup " + f, content, now)        else:            fl = open(now)            content = fl.read()            fl.close()            send_mail(mailto_list, "switch_backup " + f, content, now)        shutil.copy(now,  backup)