disable intel_idle ansible play

disable_intel_idle.yaml

---
- hosts: # add hosts list as needed
  serial: 1
  sudo: true

  tasks:
  - name: Copy local grub config to remote host
    copy: src=./files/grub dest=/etc/default/grub owner=root group=root mode=0644

  - name: Recompile grub config
    shell: /usr/sbin/grub2-mkconfig -o /boot/grub2/grub.cfg

  - name: Restart machine
    shell: shutdown -r now "Ansible updates triggered"
    async: 0
    poll: 0
    ignore_errors: true

  - name: Waiting for server to come back
    local_action: wait_for host={{ inventory_hostname }}
                  state=started
    sudo: false

  - name: Check if intel_idle is deactivated
    shell: less /proc/cmdline | grep intel_idle.max_cstate=0

This play assumes you have a replacement grub config stored locally in /files/grub where intel_idle.max_cstate=0 is set.

Also I haven't tested this yet.