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下面就是Python 监控Oracle alert log的脚本，经过测试可用！

#coding=UTF-8 #引用下面3个模块 import io import datetime import time import traceback DayList=['Sun','Mon','Tue','Wed','Thu','Fri','Sat'] #日期 KeyWordList=['ORA-','Error','Starting ORACLE instance','Shutting down instance','Archived'] #定义错误类型 SkipOldEventMinutes=5  #定义时间间隔 AlertLogFile=r'/u01/app/oracle/diag/rdbms/orcl/orcl/trace/alert_orcl.log' #日志绝对路径 SkipOldEventDateTimeDelta=datetime.timedelta(minutes=SkipOldEventMinutes)  #定义时间格式:0:05:00 EventDate=datetime.datetime(1, 1, 1, 0, 0) #日期显示格式0001-01-01 00:00:00 try:    with io.open(AlertLogFile,mode='r') as f:         while True:                 line=f.readline()                 if len(line)>3 and line[0:3] in DayList:                         EventDate=datetime.datetime.strptime(line.rstrip('\n'), '%a %b %d %H:%M:%S %Y')                         if EventDate<datetime.datetime.now():                                 continue                 elif len(line) > 3:                         if EventDate < datetime.datetime.now()-SkipOldEventDateTimeDelta:                             for w in KeyWordList:                                 if w in line:                                      print('[%s] %s' % (EventDate, line.rstrip('\n')))                             continue                 elif len(line) == 0:                         time.sleep(0.5)                 else:                         continue except:      print(traceback.format_exc())

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