日志分析脚本：

#!/usr/local/python27/bin/python2.7# coding=utf-8import pygalimport reimport osimport sysimport datetimeBASE_PATH = "./"def extract(path):    ip = dict()    time = dict()    status = dict()    version = dict()    method = dict()    with open(path) as f:        for line in f:            matched = reobj.search(line)            if not matched:                continue            log_obj = matched.groupdict()            if log_obj.get("ip") not in ip.keys():                ip[log_obj.get("ip")] = 0            ip[log_obj.get("ip")] += 1            origin_time = log_obj.get("time")            if not origin_time:                continue            dt = datetime.datetime.strptime(origin_time,'%d/%b/%Y:%H:%M:%S')            dt_s = dt.strftime('%Y-%m-%d %H')            if dt_s not in time.keys():                time[dt_s] = 0            time[dt_s] += 1            if log_obj.get('status') not in status.keys():                status[log_obj.get('status')] = 0            status[log_obj.get('status')] += 1            if log_obj.get('version') not in version.keys():                version[log_obj.get('version')] = 0            version[log_obj.get('version')] += 1            if log_obj.get("method") not in method.keys():                method[log_obj.get("method")] = 0            method[log_obj.get("method")] += 1    return ip,time,status,version,methoddef make_path(dt):    path = os.path.join(BASE_PATH,dt)    if not os.path.exists(path):        os.makedirs(path)    return pathdef time_graph(time,dt):    chart = pygal.Bar()    chart.title = "Access of %s" % dt    keys = ['%s %2d' % (dt,x) for x in range(24)]    values = [time.get(key) for key in keys]    chart.x_labels = [x.split()[1] for x in keys]    chart.add("Access",values)    path = make_path(dt)    chart.render_to_file(os.path.join(path,"time.svg"))def status_graph(status,dt):    chart = pygal.Pie()    chart.title = "Status of %s" % dt    for k,v in status.items():        chart.add(k,v)    path = make_path(dt)    chart.render_to_file(os.path.join(path,"status.svg"))def version_graph(vsersion,dt):    chart = pygal.Pie()    chart.title = "versions of %s" % dt    for k,v in version.items():        chart.add(k,v)    path = make_path(dt)    chart.render_to_file(os.path.join(path,"version.svg"))def method_graph(method,dt):    chart = pygal.Pie()    chart.title = "methods of %s" % dt    for k,v in method.items():        chart.add(k,v)    path = make_path(dt)    chart.render_to_file(os.path.join(path,"method.svg"))if __name__ == '__main__':    log_file = sys.argv[1]    dt = sys.argv[2]    ip,time,status,version,method = extract(log_file)    time_graph(time,dt)    status_graph(status,dt)    version_graph(version,dt)    method_graph(method,dt)

文件差异对比：

#!/usr/local/python27/bin/python2.7import difflibimport systry:    textfile1=sys.argv[1]    textfile2=sys.argv[2]except e:    print("Error:" + str(e))    sys.exit()def readfile(filename):    try:        fileHandle = open(filename,'rb')        text=fileHandle.read().splitlines()        fileHandle.close()        return text    except IOError as a:        print("Error:" + str(a))        sys.exit()if textfile1 =="" or textfile2=="":    print('Usage:filediif.py filename1 filename2')    sys.exit()text1_lines = readfile(textfile1)text2_lines = readfile(textfile2)d = difflib.HtmlDiff()a = d.make_file(text1_lines,text2_lines)print(a)

输出结果：

./filediff.py aa1.txt aa2.txt >diff.html

HTTP访问脚本

#!/usr/local/python27/bin/python2.7import urllib2req = urllib2.urlopen('http://weather.yahooapis.com/forecastrss?w=2151849&u=c')print(req.read())

HTTP状态检测—适用于单域名多主机DNS负载均衡场景

#!/usr/local/python27/bin/python2.7import dns.resolverimport osimport httplibiplist = []appdomain='www.hello.com'def get_iplist(domain=""):    try:        A = dns.resolver.query(domain,'A')    except e:        print("dns resolver error:" + str(e))        return    for i in A.response.answer:        for j in i.items:            iplist.append(j.address)    return Truedef checkip(ip):    checkurl=ip+":80"    getcontent=""    httplib.socket.setdefaulttimeout(5)    conn=httplib.HTTPConnection(checkurl)    try:        conn.request("GET","/",headers = {"Host": appdomain})        r = conn.getresponse()        getcontent = r.read(15)    finally:        if getcontent == "":            print (ip+" [OK]")        else:            print (ip+" [Error]")if __name__ == "__main__":    if get_iplist(appdomain) and len(iplist)>0:        for ip in iplist:            checkip(ip)    else:        print("dns resolver error")

DNS解析脚本

#!/usr/local/python3/bin/python3import dns.resolverdomain = input('please input an domain: ')A = dns.resolver.query(domain,'A')for i in A.response.answer:    for j in i.items:        print(j.address)

MX记录解析

#!/usr/local/python3/bin/python3import dns.resolverdomain = input('please input an domain: ')#这里接收两个参数的传入，需要解析的域名，解析的记录类型；MX = dns.resolver.query(domain,'MX')for i in MX:    print('MX preference =', i.preference, 'mail exchanger = ', i.exchange)