项目发布和运维的工作相当机械，频率还蛮高，导致时间浪费在敲大量重复的命令上。
修复bug什么的，测试，提交版本库(2分钟)，ssh到测试环境pull部署（2分钟），rsync到线上机器A,B,C,D,E（1分钟），分别ssh到ABCDE五台机器，逐一重启(8-10分钟) = 13-15分钟
其中郁闷的是，每次操作都是相同的，命令一样，要命的是在多个机器上，很难在本机一个脚本搞定，主要时间都浪费在ssh，敲命令上了，写成脚本，完全可以一键执行，花两分钟看下执行结果。
pip install fabric
#fabfile.py
from fabric.api import run
def host_type():
run(‘uname -s‘)
启动
itcast@ubuntu:~/tmp/fab$ fab -H 127.0.0.1 host_type
[127.0.0.1] Executing task ‘host_type‘
[127.0.0.1] run: uname -s
[127.0.0.1] Login password for ‘itcast‘:
[127.0.0.1] out: Linux
[127.0.0.1] out:
Done.
Disconnecting from 127.0.0.1... done.
itcast@ubuntu:~/tmp/fab$ fab -H 127.0.0.1 host_type
[127.0.0.1] Executing task ‘host_type‘
[127.0.0.1] run: uname -s
[127.0.0.1] Login password for ‘itcast‘:
[127.0.0.1] out: Linux
[127.0.0.1] out:
from fabric.api import *
env.hosts=[‘192.168.17.192‘, ‘192.168.17.193‘]
#env.password=‘python‘
env.passwords = {
‘itcast@192.168.17.192:22‘:‘python‘,
‘itcast@192.168.17.193:22‘:‘python‘,
}
@runs_once
def input_raw():
return prompt("please input directory name:", default="/home")
def workask(dirname):
run(‘ls -l ‘ + dirname)
@task
def go():
print(‘start ...‘)
getdirname = input_raw()
workask(getdirname)
print(‘end ...‘)
from fabric.api import *
env.user = ‘itcast‘
env.hosts = [‘192.168.17.192‘, ‘192.168.17.193‘]
env.password = ‘python‘
@task
@runs_once
def tar_task():
with lcd(‘/home/itcast/testdemo‘):
local(‘tar zcvf demo.tar.gz demo.py‘)
@task
def put_task():
run(‘mkdir -p /home/itcast/testdemo‘)
with cd(‘/home/itcast/testdemo‘):
put(‘/home/itcast/testdemo/demo.tar.gz‘, ‘/home/itcast/testdemo/demo.tar.gz‘)
@task
def check_task():
lmd5 = local(‘md5sum /home/itcast/testdemo/demo.tar.gz‘, capture=True).split(‘ ‘)[0]
rmd5 = run(‘md5sum /home/itcast/testdemo/demo.tar.gz‘).split(‘ ‘)[0]
if lmd5 == rmd5:
print(‘OK ...‘)
else:
print(‘ERROR ...‘)
@task
def run_task():
with cd(‘/home/itcast/testdemo‘):
run(‘tar zxvf demo.tar.gz‘)
run(‘python demo.py‘)
@task
def go():
tar_task()
put_task()
check_task()
run_task()
from fabric.api import *
env.user = ‘itcast‘
env.hosts = [‘192.168.17.192‘, ‘192.168.17.193‘]
env.password = ‘python‘
@runs_once
@task
def local_update():
with lcd("/home/itcast/tmp/itcasthello"):
local("git add -A")
local("git commit -m ‘update‘")
local("git pull origin master")
local("git push origin master")
@task
def remote_update():
with cd("/home/itcast/tmp/itcasthello"):
run("git checkout master")
run("git pull origin master")
@task
def deploy():
local_update()
remote_update()
原文：https://www.cnblogs.com/linwenbin/p/10617242.html