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 Please upgrade your Python as Python 2.7 is no longer maintained.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

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