playbook配置不同系统版本的yum源配置

主机	ip	系统
localhost(装有ansible)	192.168.44.128	rhel8
node2	192.168.44.131	rhel8
node3	192.168.44.132	rhel7

结构树一览

[root@localhost ~]# tree .
.
├── anaconda-ks.cfg
└── yum
    ├── ansible.cfg
    ├── inventory
    └── yum.yml

准备环境

[root@localhost ~]# mkdir yum
[root@localhost ~]# cd yum/
[root@localhost yum]# cp /etc/ansible/ansible.cfg .
[root@localhost yum]# vim /etc/hosts
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.44.131 node2
192.168.44.132 node3
[root@localhost yum]# vim ansible.cfg 
inventory      = ./inventory
[root@localhost yum]# vim inventory
[centos]
node2

[redhat]
node3

[root@localhost yum]# cd ~
[root@localhost ~]# ssh-keygen -t rsa
[root@localhost ~]# ssh-copy-id root@192.168.44.131
[root@localhost ~]# ssh-copy-id root@192.168.44.132
[root@localhost ~]# ansible node2 -m ping
[root@localhost ~]# ansible node3 -m ping

编写yum的playbook

[root@localhost ~]# vim yum/yum.yml
---
- hosts: all
  vars:
    baseurl_8: https://mirrors.aliyun.com/epel/8/Modular/x86_64/
    baseurl_7: https://mirrors.aliyun.com/epel/7/x86_64/

  tasks:
    - name: yum config for 8
      yum_repository:
        name: "{{ item }}"
        baseurl: https://mirrors.aliyun.com/centos/8/{{ item }}/x86_64/os/
        enabled: yes
        gpgcheck: no
        mode: 0644
        file: "{{ item }}"
        description: "{{ item }}"                               
        state: present
      loop:
        - BaseOS
        - AppStream
      when: >
        ( ansible_facts["distribution"] == "RedHat" and
          ansible_facts["distribution_major_version"] == "8" )
        or
        ( ansible_facts["distribution"] == "CentOS" and
          ansible_facts["distribution_major_version"] == "8" )

    - name: yum config for 7
      yum_repository:
        name: base
        baseurl: https://mirrors.aliyun.com/centos/7/os/x86_64/
        enabled: yes
        gpgcheck: no
        mode: 0644
        file: base
        description: base                               
        state: present
      when: >
        ( ansible_facts["distribution"] == "RedHat" and
          ansible_facts["distribution_major_version"] == "7" )
        or
        ( ansible_facts["distribution"] == "CentOS" and
          ansible_facts["distribution_major_version"] == "7" )
        
    - name: yum config epel for 8
      yum_repository:
        name: epel
        baseurl: "{{ baseurl_8 }}"
        enabled: yes
        gpgcheck: no
        mode: 0644
        file: epel
        description: epel
        state: present
      when: >
        ( ansible_facts["distribution"] == "RedHat" and
          ansible_facts["distribution_major_version"] == "8" )
        or
        ( ansible_facts["distribution"] == "CentOS" and
          ansible_facts["distribution_major_version"] == "8" )
          
    - name: yum config epel for 7
      yum_repository:
        name: epel
        baseurl: "{{ baseurl_7 }}"
        enabled: yes
        gpgcheck: no
        mode: 0644
        file: epel
        description: epel
        state: present
      when: >
        ( ansible_facts["distribution"] == "RedHat" and
          ansible_facts["distribution_major_version"] == "7" )
        or
        ( ansible_facts["distribution"] == "CentOS" and
          ansible_facts["distribution_major_version"] == "7" )

运行playbook

[root@localhost ~]# cd yum/
[root@localhost yum]# ansible-playbook yum.yml

查看效果

//redhat8
[root@node2 ~]# yum repolist
Updating Subscription Management repositories.
Unable to read consumer identity
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
Repository BaseOS is listed more than once in the configuration
Repository AppStream is listed more than once in the configuration
repo id                                    repo name
AppStream                                  AppStream
BaseOS                                     BaseOS
epel                                       epel

//redhat7
[root@node3~]# yum repolist
Loaded plugins: product-id, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
repo id                                  repo name                              status
base                                     base                                   10,072
epel                                     epel                                      105
repolist: 10,177