python fabric安装

1 安装epel

wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo

2 安装pip

yum install python-pip -y

pip install --upgrade pip

3 安装virtualenv虚拟环境（源可以使用阿里云或者douban的，国外太慢了。）

pip install -i http://pypi.douban.com/simple/ --trusted-host pypi.douban.com virtualenv

4 virtualenv使用

创建虚拟化环境：virtualenv venv

激活虚拟化环境：source venv/bin/activate

退出虚拟化环境: deactivate

[root@localhost ~]# virtualenv venv

created virtual environment CPython2.7.5.final.0-64 in 3125ms

creator CPython2Posix(dest=/root/venv, clear=False, global=False)

seeder FromAppData(download=False, pip=bundle, wheel=bundle, setuptools=bundle, via=copy, app_data_dir=/root/.local/share/virtualenv)

added seed packages: pip==20.1.1, setuptools==44.1.1, wheel==0.34.2

activators PythonActivator,CShellActivator,FishActivator,PowerShellActivator,BashActivator

[root@localhost ~]# source venv/bin/activate

(venv) [root@localhost ~]# deactivate

5 安装fabric

pip install -i http://pypi.douban.com/simple/ --trusted-host pypi.douban.com fabric

检查包情况

(venv) [root@localhost ~]# pip freeze

DEPRECATION: Python 2.7 reached the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 is no longer maintained. pip 21.0 will drop support for Python 2.7 in January 2021. More details about Python 2 support in pip, can be found at https://pip.pypa.io/en/latest/development/release-process/#python-2-support

bcrypt==3.1.7

cffi==1.14.0

cryptography==2.9.2

enum34==1.1.10

fabric==2.5.0

invoke==1.4.1

ipaddress==1.0.23

paramiko==2.7.1

pycparser==2.20

PyNaCl==1.4.0

six==1.15.0

6 查看 python fabric的对象

(venv) [root@localhost ~]# python

Python 2.7.5 (default, Apr 11 2018, 07:36:10)

[GCC 4.8.5 20150623 (Red Hat 4.8.5-28)] on linux2

Type "help", "copyright", "credits" or "license" for more information.

>>> import fabric

>>> dir(fabric)

['Config', 'Connection', 'Executor', 'Group', 'GroupResult', 'Remote', 'Result', 'SerialGroup', 'Task', 'ThreadingGroup', '__builtins__', '__doc__', '__file__', '__name__', '__package__', '__path__', '__version__', '__version_info__', '_version', 'config', 'connection', 'exceptions', 'executor', 'group', 'runners', 'task', 'tasks', 'transfer', 'tunnels', 'util']

>>>

查看fabric的版本

(venv) [root@localhost ~]# fab --version

Fabric 2.5.0

Paramiko 2.7.1

Invoke 1.4.1