tomcat站点更新脚本

tomcat站点更新脚本，欢迎吐槽

#!/usr/local/bin/python3
#coding:utf-8

import os, sys, subprocess, time, shutil

#get tommcat pid
tomcat_pid =  ((subprocess.Popen("lsof -i :8080 |grep root |awk '{print $2}'", shell=True, stdout=subprocess.PIPE)).stdout.read()).decode()

#关闭tomcat
print("Tomcat will shutdown after 6s, u can enter Ctrl + c interrupt it ! ")
for i in range(3):
    print("." ,end = "")
    sys.stdout.flush()
    time.sleep(1)

print()
if len(tomcat_pid) == 0:
    print("> tomcat already shutdown!")
else:
    subprocess.Popen("/var/tomcat/bin/shutdown.sh > /dev/null 2>&1", shell=True, stdout=subprocess.PIPE)

for i in range(3):
    print("." ,end = "")
    sys.stdout.flush()
    time.sleep(1)
    
if len(tomcat_pid) == 0: 
    pass 
else :
    subprocess.Popen("kill -9 " + tomcat_pid, shell=True, stdout=subprocess.PIPE)
    print("
> Tomcat close the failure, kill the pid %s" % tomcat_pid)
    
#clean tomcat cache
print("
> clean tomcat webapp cache...")
subprocess.Popen("rm -rf /var/tomcat/temp/*", shell=True, stdout=subprocess.PIPE)
subprocess.Popen("rm -rf /var/tomcat/work/Catalina/localhost/*", shell=True, stdout=subprocess.PIPE)
print("
> clean tomcat webapp cache completed !!!")
   
#备份旧站点
print("
--------Begin to backup webapps---------
")

try: 
    p = subprocess.Popen("Time=`date +%m%d%H%M` && tar czf /home/webbak/webapps$Time.tar.gz  /var/tomcat/webapps", shell=True, stdout=subprocess.PIPE)
    p.stdout.read()
except Exception as e:
    print(e)

print("
> Backup completed，Start to update the program...")    
for i in range(3):
    print("." ,end = "")
    sys.stdout.flush()
    time.sleep(1)

def Delete_old_site(sitefile):
    update_file = '/home/sourcedir/' + sitefile + '.war' #升级版本上传目录
    webapps_file = '/var/tomcat/webapps/' + sitefile + '.war' 
    webapps_dir = '/var/tomcat/webapps/' + sitefile
    os.remove(webapps_file)
    shutil.rmtree(webapps_dir)
    if os.path.exists(webapps_file) or os.path.exists(webapps_dir):
        print(u"旧站点文件删除失败，请手动删除...")
        sys.exit(0)
    else:
        if os.path.exists(update_file):
            shutil.copyfile(update_file, webapps_file)
        else:
            sys.exit(0)
#定义站点站点相关目录及文件位置
site_file = sys.argv
try:
    sitefile = site_file[1]
    Delete_old_site(sitefile)
except Exception as e:
    print(u"warning:脚本最多指定三个参数，最少指定一个参数！！！")
    sys.exit(0)

try:
    sitefile = site_file[2]
    Delete_old_site(sitefile)
except Exception as e:
    pass

try:
    sitefile = site_file[3]
    Delete_old_site(sitefile)
except Exception as e:
    pass    

print("
> Update completed,start tomcat...")
subprocess.Popen("/var/tomcat/bin/startup.sh", shell=True, stdout=subprocess.PIPE)

for i in range(3):
    print("." ,end = "")
    sys.stdout.flush()
    time.sleep(1)
tomcat_pid2 =  ((subprocess.Popen("lsof -i :8080 |grep root |awk '{print $2}'", shell=True, stdout=subprocess.PIPE)).stdout.read()).decode()

if len(tomcat_pid2) == 0:
    print("
> Tomcat has not start, Please check u program!")
else:
    print("
> Tomcat have already started !")

END!