Ansible在线安装详细教程

软件环境
CentOS Linux release 7.9.2009 (Core)
Linux主机需要连接互联网，具体设置请参考 Linux虚拟机联网设置详细教程

目标
指向官方的epel源，安装ansible

什么是epel源
EPEL (Extra Packages for Enterprise Linux)是基于Fedora的一个项目，为“红帽系”的 *** 作系统提供额外的软件包，适用于RHEL、CentOS。

安装OS版本对应的epel-release软件包，这个软件包会自动配置yum的软件仓库。

https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm 适用于Centos7版本，点击链接，下载软件包，并上传到目标主机/tmp目录。

[root@client ~]# cd /tmp
[root@client tmp]# ls
epel-release-latest-7.noarch.rpm  vmware-root_691-4013264459  vmware-root_692-2696942994  vmware-root_722-2966037965
[root@client tmp]# rpm -ivh epel-release-latest-7.noarch.rpm
warning: epel-release-latest-7.noarch.rpm: Header V4 RSA/SHA256 Signature, key ID 352c64e5: NOKEY
Preparing...                          ################################# [100%]
Updating / installing...
   1:epel-release-7-14                ################################# [100%]
[root@client tmp]# cd /etc/yum.repos.d/
#2.看到yum.repos.d目录下生成了epep.repo文件，指向了官方epel源
[root@client yum.repos.d]# ls
bak  epel.repo  epel-testing.repo  http.repo

清除当前的yum缓存

[root@client yum.repos.d]# yum clean all
Loaded plugins: fastestmirror
Cleaning repos: base epel
Cleaning up list of fastest mirrors
Other repos take up 118 M of disk space (use --verbose for details)
[root@client yum.repos.d]#

安装ansible软件

[root@client yum.repos.d]# yum install ansible -y
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* epel: hk.mirrors.thegigabit.com
Resolving Dependencies
--> Running transaction check
---> Package ansible.noarch 0:2.9.27-1.el7 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

==============================================================================================================================================================================================================
Package                                          Arch                                            Version                                                 Repository                                     Size
==============================================================================================================================================================================================================
Installing:
ansible                                          noarch                                          2.9.27-1.el7                                            epel                                           17 M

Transaction Summary
==============================================================================================================================================================================================================
Install  1 Package

Total download size: 17 M
Installed size: 103 M
Downloading packages:
warning: /var/cache/yum/x86_64/7/epel/packages/ansible-2.9.27-1.el7.noarch.rpm: Header V4 RSA/SHA256 Signature, key ID 352c64e5: NOKEY===================================-  ] 1.3 MB/s |  17 MB  00:00:00 ETA
Public key for ansible-2.9.27-1.el7.noarch.rpm is not installed
ansible-2.9.27-1.el7.noarch.rpm                                                                                                                                                        |  17 MB  00:00:16
Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7
Importing GPG key 0x352C64E5:
Userid     : "Fedora EPEL (7) "
Fingerprint: 91e9 7d7c 4a5e 96f1 7f3e 888f 6a2f aea2 352c 64e5
Package    : epel-release-7-14.noarch (installed)
From       : /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Warning: RPMDB altered outside of yum.
 Installing : ansible-2.9.27-1.el7.noarch                                                                                                                                                                1/1
 Verifying  : ansible-2.9.27-1.el7.noarch                                                                                                                                                                1/1

Installed:
 ansible.noarch 0:2.9.27-1.el7

Complete!
[root@client yum.repos.d]#

查看并验证Ansible的版本

[root@client yum.repos.d]# ansible --version
ansible 2.9.27
  config file = /etc/ansible/ansible.cfg
  configured module search path = [u'/root/.ansible/plugins/modules', u'/usr/share/ansible/plugins/modules']
  ansible python module location = /usr/lib/python2.7/site-packages/ansible
  executable location = /usr/bin/ansible
  python version = 2.7.5 (default, Oct 14 2020, 14:45:30) [GCC 4.8.5 20150623 (Red Hat 4.8.5-44)]