- hosts: all
  become: yes
  gather_facts: true

  tasks:
    - name: centos
      block:
        - name: make root ssh directory
          file:
            path: "${HOME}/.ssh"
            state: directory
        - name: copy authorized_keys
          copy:
            remote_src: true
            src: "/home/vagrant/.ssh/authorized_keys"
            dest: "/root/.ssh/authorized_keys"
            mode: 0600
      when: ansible_distribution == "CentOS"
    - name: yum install jq/vim/net-tools
      yum:
        name: "{{packages}}"
        state: present
      vars:
        packages:
          - jq
          - vim
          - net-tools
          - tree
      retries: 5
      ignore_errors: true

    - when: ansible_distribution_major_version == "7"
      block:
        - name: add key
          rpm_key:
            state: present
            key: https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
        - name: install elrepo7
          yum:
            name: https://www.elrepo.org/elrepo-release-7.el7.elrepo.noarch.rpm
            state: present
        - name: install kernel-ml
          yum:
            name: kernel-ml
            enablerepo: elrepo-kernel
            state: present
        - name: grub2-set-default
          command: grub2-set-default 0
        - name: grub2-mkconfig
          command: grub2-mkconfig -o /boot/grub2/grub.cfg
        - name: reboot
          reboot:
        - name: list kernel
          shell: |
            awk -F\' '$1=="menuentry " {print i++ " : " $2}' /etc/grub2.cfg
          register: kernel_stdout
        - name: show kernel
          debug:
            msg: "{{kernel_stdout.stdout}}"