fabric_manage_user

#!/usr/bin/python3.6
# -*- coding:utf-8 -*-
# by larry 2018-03-12
###description:   pip install fabric3 for python3.x
#from fabric.api import run,execute,roles,env
from fabric.api import *
from fabric.colors import *
env.roledefs={
    'webservers':['192.168.0.76','192.168.0.97'],
    'dbservers':['172.17.0.2','172.17.2.1'],
    'nginx_servers':['192.168.0.76']
}

env.user='root'
env.hosts=['192.168.0.76']
env.password='idoukou'
env.warn_only = True
@roles('dbservers')
def get_info():
    run('ifconfig|grep -i addr')
    run('free -m')

@roles('webservers')
def start_nginx():
    run('/usr/local/nginx/sbin/nginx -s reload')
@roles('nginx_servers')
def reload_nginx():
    run('/usr/local/nginx/sbin/nginx -s reload')

@runs_once
def local_task():
    local('uname -a')
@roles('nginx_servers')
def remote_task():
    with cd('/tmp'):
        run('ls -l')

@runs_once
def input_raw():
    return prompt("Pls input directory name:",default="/home")
def remote_task_ls(filename):
    run("ls -l "+filename)
@task  #限定只有go函数对fab 命令可见
def go():
    getdirname=input_raw()
    remote_task_ls(getdirname)
    ##命令行执行 fab -f fabric.py go

##新建用户
def get_username():
    return prompt("create user pls input your username:")
def get_password():
    return prompt("set password Pls input your password:")

@roles("nginx_servers")
def create_users(username,password):
    u_name=run("useradd "+username)
    if u_name.failed:
        run(red("username create failed "))
        run("userdel "+str(username))
        return
    else:
        flag=run("echo "+str(password) + " |passwd --stdin "+ str(username))
        if flag.failed:
            print(red("create user failed !"))
            return
        print(green("Create user Successful !"))
        print(green("用户名: "+username+" : "+password))
@task
def create_user():
    username=get_username()
    password=get_password()
    create_users(username,password)
##---------------------------------end-------------------------------
# del user
def get_username():
    return prompt("Pls input your username:")

@roles("nginx_servers")
def del_user(username):
    flag=run("userdel "+str(username))
    if flag.failed:
        print(red("userdel user failed ..."))
        return
    else:
        print(green("userdel "+str(username)+"successful !"))
        with cd("/home"):
            s=run("rm -fr "+str(username))
            if s.failed:
                print(red("rm -f "+str(username)+" dirs failed!"))
            else:
                print(green("rm -f "+str(username)+" dirs successful !"))
@task
def delete_user():
    username=get_username()
    del_user(username)
############################################################################
def deploy():
    #execute(reload_nginx)
    #execute(get_info)
    #execute(local_task)
    #execute(remote_task)
    print()