运维管理器Fabric使用方法

root@Python_S6:/home/chart7/test/fabric# cat farbic.py 
#!/usr/bin/env python
# -*- coding: utf-8 -*-
from fabric.api import run
 
def host_type(): #定义一个任务函数，通过run方法实现远程执行'uname -s'命令
  run('uname -s')

@roles('webservers')
def webtask():
  run('/etc/init.d/nginx start')
@roles('dbservers'):
def dbtask():
  run('/etc/init.d/mysql start')
@roles('webservers','dbservers')
def publictask():
  run('uptime')
def deploy():
  execute(webtask)
  execute(dbtask)
  execute(publictask)

#!/usr/bin/env python
# -*- coding: utf-8 -*-
from fabric.api import *
env.user = 'root'
env.hosts = ['192.168.1.43','192.168.1.23','192.168.1.24']
env.port = '22'
env.password = '123456'
 
@runs_once #查看本地系统信息,当有多台主机时只运行一次
def local_task(): #本地任务函数
  local('uname -a')
 
def remote_task():
  with cd('/data'): #with的作用是让后面的表达式语句继承当前状态，实现cd /var && ls -l的效果
    run('ls -l')

#!/usr/bin/env python
# -*- coding: utf-8 -*-
from fabric.api import *
env.user = 'root'
env.hosts = ['192.168.1.23','192.168.1.24']
env.password = '123456'
@runs_once #在主机遍历过程中，只有一台出发此函数
def input_raw():
  return prompt("please input direcotry name:",default="/home")
 
 
def worktask(dirname):
  run("ls -l %s" %dirname)
 
@task
def go():
  getdirname = input_raw()
  worktask(getdirname)

#!/usr/bin/env python
# -*- coding: utf-8 -*-
from fabric.api import *
from fabric.context_managers import *
from fabric.contrib.console import confirm
env.hosts=['192.168.1.23','192.168.1.24']
#假如所有主机密码都不一样，可以通过env.passwords字典变量一一指定
env.passwords = {
  'root@192.168.1.23:22': '123456',
  'root@192.168.1.24:22': '123456',
}
 
lpackpath="/home/a.tar.gz"
rpackpath="/tmp/install"
 
@task
def put_task():
  run("mkdir -p /tmp/install")
  with settings(warn_only=True):
    result = put(lpackpath, rpackpath)
  if result.failed and not confirm("put file failed, Continue[Y/N]?"):
    abort("Aborting file put task!")
 
@task
def run_task():
  with cd("/tmp/install"):
    run("tar -zxvf a.tar.gz")
 
@task
def go():
  put_task()
  run_task()