二、ansible安装

ubuntu与centos（换源阿里云后直接安装）

centos需要epel.repo源：https://developer.aliyun.com/mirror/epel/

换源：https://developer.aliyun.com/mirror/

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apt install -y ansible
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root@k8s:/mydata/jenkins_home/secrets# ansible --version
ansible 2.9.6
  config file = /etc/ansible/ansible.cfg
  configured module search path = ['/root/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /usr/lib/python3/dist-packages/ansible
  executable location = /usr/bin/ansible
  python version = 3.8.10 (default, Mar 18 2025, 20:04:55) [GCC 9.4.0]

centos可用博主多年以前写的脚本

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#!/bin/bash
#作用：安装ansible
welcome() {
cat <<EOF
1.需要用到的命令awk/ansible --version 
2.需要用到的循环for/if 安装ansible需要epel源
EOF
}
start() {
   epel_check=`ls /etc/yum.repos.d/epel.repo`
   version=`ansible --version |awk -F'[ .]+' 'NR==1{print $1}'`
}
[ -f ${epel_check} ] && echo "已存在epel源" || wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
if [ "${epel_check}" = "epel.repo" -a "${version}" = "ansible" ];
   then
     echo "ansible已安装"
   else
     yum install -y ansible
     [ "$?" = "0" ] && echo "安装成功" || echo "安装失败请检查"
fi
}
main() {
  welcome
  start
}
main