Update CentOS repos to use legacy repo URL

centos-repo.yml

- name: Find all .repo files in /etc/yum.repos.d/
  ansible.builtin.find:
    paths: "/etc/yum.repos.d/"
    patterns: "*.repo"
  register: repo_files

- name: Update .repo files to use CentOS Vault for baseurl
  ansible.builtin.replace:
    path: "{{ item.path }}"
    regexp: '^#?(?:\s+)?baseurl=.*mirror.centos.org(.*)'
    replace: 'baseurl=http://vault.centos.org\1'
    backup: yes
  loop: "{{ repo_files.files }}"

- name: Remove mirrorlist entries in .repo files
  ansible.builtin.replace:
    path: "{{ item.path }}"
    regexp: '^(mirrorlist=http://mirrorlist.centos.org.*$)'
    replace: '#\1'
    backup: yes
  loop: "{{ repo_files.files }}"

- name: clean yum cache
  shell: yum clean all