需求：测试环境高可用部署，更换程序包时需要多个台服务器一起进行更换，更换后自动启动程序

    1. from fabric.api import *
    2. from fabric.contrib.console import confirm
    3. from fabric.utils import abort
    4. from fabric.colors import *
    5. import time,os
    7. host_yq1 = '192.128.138.129'
    8. host_yq2 = '192.128.138.175'
    9. host_yq3 = '192.128.138.49'
    10. host_hj1 = '192.128.138.192'
    11. host_hj2 = '192.128.138.222'
    12. host_hj3 = '192.128.138.156'
    13. host_wl1 = '192.135.8.135'
    14. host_wl2 = '192.135.8.136'
    15. host_wl3 = '192.135.8.137'
    16. env.roledefs = {
    17.     'yq': [host_yq1, host_yq2, host_yq3],
    18.     'hj': [host_hj1, host_hj2, host_hj3],
    19.     'wl': [host_wl1, host_wl2, host_wl3]
    20. }
    22. env.user = ""
    23. env.password = ""
    24. bak_time = time.strftime("%Y%m%d%H%M", time.localtime(int(time.time())))
    26. @roles('wl')
    27. @task
    28. def replace_cwos():
    29.     '''
    30.     1、打开对应文件夹；
    31.     2、杀掉对应的程序；
    32.     3、删除对用的程序包；
    33.     4、上传对应的程序包；
    34.     5、启动程序
    35.     :return:
    36.     '''
    37.     with settings(hide('output')):
    38.         with cd('/home/data/cwos/cwos-portal-V1.9.0.200303'):
    39.             run('systemctl stop cwos-portal-V1.9.0.200303.service')
    40.             park_bak = "cwos-portal-V1.9.0.200303.jar" + bak_time
    41.             bak_cmd = "mv cwos-portal-V1.9.0.200303.jar " + park_bak
    42.             run(bak_cmd)
    43.             run('rm -rf cwos-portal-V1.9.0.200303.jar')
    44.             try:
    45.                 put(local_path="E:/重庆国网/cwos-portal-V1.9.0.200303.jar",remote_path="/home/data/cwos/cwos-portal-V1.9.0.200303/")
    46.             except SystemExit as e:
    47.                 print("上传文件失败失败的原因是：%s" %e)
    48.             run('./stop.sh')
    49.             res = run('./start.sh',pty=False)
    50.             if res.return_code == 0:
    51.                 puts(green("success"))
    52.             else:
    53.                 puts(red("Fail"))
    54. @task
    55. def install():
    56.     execute(replace_cwos)