Python 定时删除归档日志文件脚本

迷南。 2021-11-17 11:40 374阅读 0赞

# !/usr/bin/env python3
    # -*- coding:utf-8 -*-  
    import math,os,sys,time
    import traceback
    import subprocess
    import datetime
    ...
    #定时任务脚本，删除归档日志文件
    
    ...
    #定义前一天的时间
    theDayBeforeYesterday = (datetime.date.today() + datetime.timedelta(-2)).strftime('%Y-%m-%d')
    
    #定义文件路径
    tomcatFilePath = {
        "/usr/utils/tomcat9/apache-tomcat-9.0.14/logs/catalina":"删除tomcat归档日志文件->catalina",
        "/usr/utils/tomcat9/apache-tomcat-9.0.14/logs/host-manager":"删除tomcat归档日志文件->host-manager",
        "/usr/utils/tomcat9/apache-tomcat-9.0.14/logs/localhost":"删除tomcat归档日志文件->localhost",
        "/usr/utils/tomcat9/apache-tomcat-9.0.14/logs/localhost_access_log":"删除tomcat归档日志文件->localhost_access_log",
        "/usr/utils/tomcat9/apache-tomcat-9.0.14/logs/manager":"删除tomcat归档日志文件->manager"
    }
    
    #清除大于1G的文件
    def clearTomcatArchiveLogs():
        print("<---删除tomcat归档日志文件--->")
        for filePath,message in tomcatFilePath.items():
            linuxCommand = "rm -rf " + filePath + "." + theDayBeforeYesterday + "*"
            responseMessage,responseCode = executeShell(linuxCommand)
            checkResult(int(responseCode),message)
        print("<---删除tomcat归档日志文件--->")
    
    #执行linux命令获取返回结果与返回码
    def executeShell(command,print_output=True,universal_newlines=True):
        print("需要执行的linux命令为["+command+"]")
        p = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True, universal_newlines=universal_newlines)
        if print_output:
            output_array = []
            while True:
                line = p.stdout.readline()
                if not line:
                    break
                output_array.append(line)
            output ="".join(output_array)
        else:
            output = p.stdout.read()
        p.wait()
        errout = p.stderr.read()
        p.stdout.close()
        p.stderr.close()
        return str(output),str(p.returncode)
    
    #判断运行结果
    def checkResult(result,message):
        if result == 0:
            print(message+"执行成功")
        else:
            print(message+"执行失败")
    
    #异常的处理
    def printExcption(e):
        print("<---The Excption Begin--->")
        print('\n' * 1)
        traceback.print_exc()
        print('\n' * 1)
        print("<---The Excption End--->")
    
    #最终执行的方法
    def finalExecute():
        print("<---The clearLargeFile.py Begin,the time is ["+datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')+"]--->")
        print('\n' * 1)
        try:
            clearTomcatArchiveLogs()
        except Exception as e:
            printExcption(e)
    
        print('\n' * 1)
        print("<---The clearLargeFile.py End,the time is ["+datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')+"]--->")
    
    #最终执行
    finalExecute()