- #!/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 < KB :
- size = str(size) + 'B'
- elif size >= GB and size < TB:
- size = str(size / GB) + 'G'
- elif 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 'Usage : ' + sys.argv[0] + ' NginxLogFilePath [Number]'
- sys.exit(1)
- def execut_time(self):
- '''''输出脚本执行的时间'''
- print "Script Execution Time: %.3f second" % time.clock()
- #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 e
- display_format.error_print()
- except ValueError :
- 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()
- 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)
- 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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