Migrate redhat to centos8-stream

migrate-redhat-to-centos8-stream.yml

---
- hosts: jinshannew
  vars:
  remote_user: root
  tasks:
  - name: Remove the existing repos
    file:
      state: absent
      path: /etc/yum.repos.d/centos-base.repo
  - name: Creating /etc/yum.repos.d/elrepo.repo
    copy:
      dest: /etc/yum.repos.d/elrepo.repo
      content: |
        ### Name: ELRepo.org Community Enterprise Linux Repository for el8
        ### URL: https://elrepo.org/

        [elrepo]
        name=ELRepo.org Community Enterprise Linux Repository - el8
        baseurl=http://elrepo.org/linux/elrepo/el8/$basearch/
          http://mirrors.coreix.net/elrepo/elrepo/el8/$basearch/
          http://mirror.rackspace.com/elrepo/elrepo/el8/$basearch/
          http://linux-mirrors.fnal.gov/linux/elrepo/elrepo/el8/$basearch/
        mirrorlist=http://mirrors.elrepo.org/mirrors-elrepo.el8
        enabled=1
        gpgcheck=1
        gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-elrepo.org

        [elrepo-testing]
        name=ELRepo.org Community Enterprise Linux Testing Repository - el8
        baseurl=http://elrepo.org/linux/testing/el8/$basearch/
          http://mirrors.coreix.net/elrepo/testing/el8/$basearch/
          http://mirror.rackspace.com/elrepo/testing/el8/$basearch/
          http://linux-mirrors.fnal.gov/linux/elrepo/testing/el8/$basearch/
        mirrorlist=http://mirrors.elrepo.org/mirrors-elrepo-testing.el8
        enabled=0
        gpgcheck=1
        gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-elrepo.org

        [elrepo-kernel]
        name=ELRepo.org Community Enterprise Linux Kernel Repository - el8
        baseurl=http://mirrors.neusoft.edu.cn/elrepo/kernel/el8/x86_64/
          http://mirrors.coreix.net/elrepo/kernel/el8/$basearch/
          http://mirror.rackspace.com/elrepo/kernel/el8/$basearch/
          http://linux-mirrors.fnal.gov/linux/elrepo/kernel/el8/$basearch/
        #mirrorlist=http://mirrors.elrepo.org/mirrors-elrepo-kernel.el8
        enabled=1
        gpgcheck=1
        gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-elrepo.org

        [elrepo-extras]
        name=ELRepo.org Community Enterprise Linux Extras Repository - el8
        baseurl=http://elrepo.org/linux/extras/el8/$basearch/
          http://mirrors.coreix.net/elrepo/extras/el8/$basearch/
          http://mirror.rackspace.com/elrepo/extras/el8/$basearch/
          http://linux-mirrors.fnal.gov/linux/elrepo/extras/el8/$basearch/
        mirrorlist=http://mirrors.elrepo.org/mirrors-elrepo-extras.el8
        enabled=0
        gpgcheck=1
        gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-elrepo.org
  - name: Disable subscription-manager warning
    copy:
      dest: /etc/yum/pluginconf.d/subscription-manager.conf
      content: |
        [main]
        enabled=0
        disable_system_repos=0
  - name: Downloading /etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
    shell: 
      cmd: wget https://www.elrepo.org/RPM-GPG-KEY-elrepo.org && gpg --quiet --with-fingerprint RPM-GPG-KEY-elrepo.org
      chdir: /etc/pki/rpm-gpg
  - name: Change Repositories from Redhat's to CentOS
    shell: 
      cmd: mv redhat.repo redhat.repo.backup || subscription-manager config --rhsm.manage_repos=0
      chdir: /etc/yum.repos.d
  - name: Update repo
    shell: |
      yum clean all
      # dnf -y module disable container-tools
      yum remove containers-common -y
      yum update -y
  # - name: Reinstall all packages
  #   shell: rpm -qa | sort | sed 's/-[0-9].*[0-9]*//g' | xargs yum reinstall -y && yum reinstall -y yum && yum erase dnf-plugin-subscription-manager
  # - name: Install and start docker
  #   shell: |
  #     dnf config-manager --add-repo=https://download.docker.com/linux/centos/docker-ce.repo
  #     dnf repolist -v
  #     dnf -y module enable container-tools
  #     dnf -y install docker-ce --nobest
  #     systemctl enable --now docker
  - name: Install Git
    yum: name=git state=latest
  - name: Reboot the machine
    reboot:
      reboot_timeout: 300