Fabric role Basic function combination function application

Code

#/usr/bin/env python
#coding =utf-8 from

fabric.api import *

# define machine list
m110= "Root@192.168.0.110:22"
m228= "root@192.168.0.228:22"

# define machine password
env.passwords = {
    m110: ' 123 ',
    m228: ' 123 '
}

# Define machine grouping
env.roledefs = {
   ' r110 ': [m110],
   ' Rall ': [m110,m228]
}

# define basic function
def getuptime () : {
    run (' Uptime ')
}

# defines the combination function
@roles (' Rall ')
def all_getuptime (): {
    getuptime ()
}

Meet the scene view uptime on all machines

Fab all_getuptime

View uptime only on 110

Fab-h 192.168.0.110 Getuptime

Or

Fab-h m110 Getuptime//This method will cause an error because m110 only allows calls inside the fabfile.py

Tactical Assumptions 3 machines each machine must meet basic conditions deploy some software on each machine separately