案例需求

使用shell脚本安装Python环境

应用场景

服务器业务初始化

解决问题

避免人工多次安装，节省人工成本
避免人工错误，提高工作效率

脚本思路

1、获得软件包
2、源码安装
3、升级pip命令

案例代码

  1. #!/bin/bash
  2. #Description: python install from zutuanxue(http://www.zutuanxue.com)
  3. #Release: python 3.7.6
  4. #Auther: zutuanxue
  5. #Email: 
  6. #OS: Centos 8.X
  9. #variables
  10. python_download_url=https://www.python.org/ftp/python/3.7.6/Python-3.7.6.tgz
  11. python_source_pkg=Python-3.7.6.tgz
  12. python_code=Python-3.7.6
  15. #functions
  16. #安装前准备,安装必要依赖包
  17. per_install () {
  18.     if  ( ! yum -y install gcc-* openssl-* libffi-devel sqlite-devel &>/dev/null );then
  19.     #if  ( ! yum -y install gcc-* openssl-* libffi-devel sqlite-devel ) &>/dev/null ;then
  20.     echo -e "\033[31m network connection error,exit... \033[0m"
  21.     exit 130
  22. fi
  23. }
  25. #安装python
  26. install () {
  27.     #下载软件包
  28.     wget $python_download_url
  29.     #解压软件包
  30.     if [ -f $python_source_pkg ];then
  31.         tar xf $python_source_pkg
  32.         [ $? -ne 0 ]&&echo "$python_source_pkg unzip fail"&&exit 1
  33.         cd $python_code
  34.         #配置,开启ssl支持https
  35.         if ./configure --with-openssl=/usr/bin/openssl 1>/dev/null;then
  36.             #mv Modules/Setup Modules/Setup.bak
  37.             cp -f ../Setup Modules/
  38.             if make 1>/dev/null;then
  39.             #if make ;then
  40.                 if make install 1>/dev/null;then
  41.                 #if make install ;then
  42.                     #if pip3 install --upgrade pip 1>/dev/null;then
  43.                     #安装完成后更新pip
  44.                     if pip3 install --upgrade pip;then
  45.                         echo "python install success"
  46.                     else
  47.                         echo "pip3 install fail"
  48.                         exit 1
  49.                     fi
  50.                 else
  51.                     echo "python install fail"
  52.                     exit 1
  53.                 fi
  54.             else
  55.                 echo "python make fail"
  56.                 exit 1
  57.             fi
  58.         else
  59.             echo "python configure fail"
  60.             exit
  61.         fi
  62.     else
  63.         echo "not found $python_source_pkg"
  64.         exit 1
  65.     fi
  66. }
  70. per_install;install
  71. rm -rf $python_code
  72. rm -rf python_source_pkg