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python分析nignx访问日志脚本分享

PHP admin 12个月前 (05-31) 3次浏览 未收录 0个评论
#!/usr/bin/env python 
# coding=utf-8 
 
#------------------------------------------------------ 
# Name:     nginx 日志分析脚本 
# Purpose:   此脚本只用来分析nginx的访问日志 
# Version:   1.0 
# Author:    LEO 
# Created:   2013-05-07 
# Modified:   2013-05-07 
# Copyright:  (c) LEO 2013 
#------------------------------------------------------ 
 
import sys 
import time 
 
#该类是用来打印格式 
class displayFormat(object): 
 
  def format_size(self,size): 
    '''''格式化流量单位''' 
    KB = 1024      #KB -> B B是字节 
    MB = 1048576    #MB -> B 
    GB = 1073741824   #GB -> B 
    TB = 1099511627776 #TB -> B 
    if size >= TB : 
      size = str(size / TB) + 'T' 
    elif size = GB and size = MB and size < GB : 
      size = str(size / MB) + 'M' 
    else : 
      size = str(size / KB) + 'K' 
    return size 
 
  #定义字符串格式化 
  formatstring = '%-15s %-10s %-12s %8s %10s %10s %10s %10s %10s %10s %10s' 
 
  def transverse_line(self) : 
    '''''输出横线''' 
    print self.formatstring % ('-'*15,'-'*10,'-'*12,'-'*12,'-'*10,'-'*10,'-'*10,'-'*10,'-'*10,'-'*10,'-'*10) 
 
  def head(self): 
    '''''输出头部信息''' 
    print self.formatstring % ('IP','Traffic','Times','Times%','200','404','500','403','302','304','503') 
 
  def error_print(self) : 
    '''''输出错误信息''' 
    print 
    print 'Usage : ' + sys.argv[0] + ' NginxLogFilePath [Number]' 
    print 
    sys.exit(1) 
 
  def execut_time(self): 
    '''''输出脚本执行的时间''' 
    print 
    print "Script Execution Time: %.3f second" % time.clock() 
    print 
 
#该类是用来生成主机信息的字典 
class hostInfo(object): 
  host_info = ['200','404','500','302','304','503','403','times','size'] 
 
  def __init__(self,host): 
    self.host = host = {}.fromkeys(self.host_info,0) 
 
  def increment(self,status_times_size,is_size): 
    '''''该方法是用来给host_info中的各个值加1''' 
    if status_times_size == 'times': 
      self.host['times'] += 1 
    elif is_size: 
      self.host['size'] = self.host['size'] + status_times_size 
    else: 
      self.host[status_times_size] += 1 
 
  def get_value(self,value): 
    '''''该方法是取到各个主机信息中对应的值''' 
    return self.host[value] 
 
#该类是用来分析文件 
class fileAnalysis(object): 
  def __init__(self): 
    '''''初始化一个空字典''' 
    self.report_dict = {} 
    self.total_request_times,self.total_traffic,self.total_200, 
    self.total_404,self.total_500,self.total_403,self.total_302, 
    self.total_304,self.total_503 = 0,0,0,0,0,0,0,0,0 
 
  def split_eachline_todict(self,line): 
    '''''分割文件中的每一行,并返回一个字典''' 
    split_line = line.split() 
    split_dict = {'remote_host':split_line[0],'status':split_line[8], 
           'bytes_sent':split_line[9],} 
    return split_dict 
 
  def generate_log_report(self,logfile): 
    '''''读取文件,分析split_eachline_todict方法生成的字典''' 
    for line in logfile: 
      try: 
        line_dict = self.split_eachline_todict(line) 
        host = line_dict['remote_host'] 
        status = line_dict['status'] 
      except ValueError : 
        continue 
      except IndexError : 
        continue 
 
      if host not in self.report_dict : 
        host_info_obj = hostInfo(host) 
        self.report_dict[host] = host_info_obj 
      else : 
        host_info_obj = self.report_dict[host] 
 
      host_info_obj.increment('times',False) 
      if status in host_info_obj.host_info : 
        host_info_obj.increment(status,False) 
      try: 
        bytes_sent = int(line_dict['bytes_sent']) 
      except ValueError: 
        bytes_sent = 0 
      host_info_obj.increment(bytes_sent,True) 
    return self.report_dict 
 
  def return_sorted_list(self,true_dict): 
    '''''计算各个状态次数、流量总量,请求的总次数,并且计算各个状态的总量 并生成一个正真的字典,方便排序''' 
    for host_key in true_dict : 
      host_value = true_dict[host_key] 
      times = host_value.get_value('times')            
      self.total_request_times = self.total_request_times + times 
      size = host_value.get_value('size')            
      self.total_traffic = self.total_traffic + size  
 
      o200 = host_value.get_value('200') 
      o404 = host_value.get_value('404') 
      o500 = host_value.get_value('500') 
      o403 = host_value.get_value('403') 
      o302 = host_value.get_value('302') 
      o304 = host_value.get_value('304') 
      o503 = host_value.get_value('503') 
 
      true_dict[host_key] = {'200':o200,'404':o404,'500':o500, 
                  '403':o403,'302':o302,'304':o304, 
                  '503':o503,'times':times,'size':size} 
 
      self.total_200 = self.total_200 + o200 
      self.total_404 = self.total_404 + o404 
      self.total_500 = self.total_500 + o500 
      self.total_302 = self.total_302 + o302 
      self.total_304 = self.total_304 + o304 
      self.total_503 = self.total_503 + o503 
 
    sorted_list = sorted(true_dict.items(),key=lambda t:(t[1]['times'],
                               t[1]['size']),reverse=True) 
 
    return sorted_list 
 
class Main(object): 
  def main(self) : 
    '''''主调函数''' 
    display_format = displayFormat() 
    arg_length = len(sys.argv) 
    if arg_length == 1 : 
      display_format.error_print() 
    elif arg_length == 2 or arg_length == 3: 
      infile_name = sys.argv[1] 
      try : 
        infile = open(infile_name,'r') 
        if arg_length == 3 : 
          lines = int(sys.argv[2]) 
        else : 
          lines = 0 
      except IOError,e : 
        print 
        print e 
        display_format.error_print() 
      except ValueError : 
        print 
        print "Please Enter A Volid Number !!" 
        display_format.error_print() 
    else : 
      display_format.error_print() 
 
    fileAnalysis_obj = fileAnalysis() 
    not_true_dict = fileAnalysis_obj.generate_log_report(infile) 
    log_report = fileAnalysis_obj.return_sorted_list(not_true_dict) 
    total_ip = len(log_report) 
    if lines : 
      log_report = log_report[0:lines] 
    infile.close() 
 
    print 
    total_traffic = display_format.format_size(fileAnalysis_obj.total_traffic) 
    total_request_times = fileAnalysis_obj.total_request_times 
    print 'Total IP: %s  Total Traffic: %s  Total Request Times: %d' 
       % (total_ip,total_traffic,total_request_times) 
    print 
    display_format.head() 
    display_format.transverse_line() 
 
    for host in log_report : 
      times = host[1]['times'] 
      times_percent = (float(times) / float(fileAnalysis_obj.total_request_times)) * 100 
      print display_format.formatstring % (host[0],
                         display_format.format_size(host[1]['size']),
                         times,str(times_percent)[0:5],
                         host[1]['200'],host[1]['404'],
                         host[1]['500'],host[1]['403'],
                         host[1]['302'],host[1]['304'],host[1]['503']) 
                         
    if (not lines) or total_ip == lines : 
      display_format.transverse_line() 
      print display_format.formatstring % (total_ip,total_traffic, 
                         total_request_times,'100%',
                         fileAnalysis_obj.total_200,
                         fileAnalysis_obj.total_404,
                         fileAnalysis_obj.total_500, 
                         fileAnalysis_obj.total_403,
                         fileAnalysis_obj.total_302, 
                         fileAnalysis_obj.total_304,
                         fileAnalysis_obj.total_503) 
 
    display_format.execut_time() 
 
if __name__ == '__main__': 
  main_obj = Main() 
  main_obj.main()

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