- name: set cpu scheduler in cron
  cron:
    name: set cpu scheduler
    special_time: reboot
    job: 'echo {{ cpu_governor | quote }} | tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor > /dev/null'
    user: root


- block:
    - name: get current cpu scheduler types
      shell:
        cmd: cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
      register: result
      changed_when: false


    - name: change cpu scheduler
      shell:
        cmd: 'echo {{ cpu_governor | quote }} | tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor'
      when: (result.stdout_lines | unique | length > 1) or ((result.stdout_lines | unique)[0] != cpu_governor)

  rescue:
    - name: report that cpu scheduler cannot be changed
      debug:
        msg: failed to change cpu scheduler


- name: disable enterprise repo
  apt_repository:
    repo: deb https://enterprise.proxmox.com/debian/pve bullseye pve-enterprise
    filename: pve-enterprise.list
    state: absent
    update_cache: no


- name: enable community repo
  apt_repository:
    repo: deb http://download.proxmox.com/debian/pve bullseye pve-no-subscription
    filename: pve-community.list
    state: present
    update_cache: no


- name: set datacenter configuration
  lineinfile:
    path: /etc/pve/datacenter.cfg
    regexp: "^{{ item.name }}: "
    line: "{{ item.name }}: {{ item.value }}"
    mode: 0640
    owner: root
    group: www-data
    create: yes
  loop:
    - name: mac_prefix
      value: "{{ mac_prefix }}"
    - name: email_from
      value: "{{ host_name }}@{{ mail_server.tld | d(tld) }}"


- name: enable auto-reboot on kernel panic
  copy:
    dest: /etc/sysctl.d/90-auto-reboot.conf
    content: "kernel.panic = 5\n"
    mode: 0644


- name: set max arc cache size for zfs
  lineinfile:
    path: /etc/modprobe.d/zfs.conf
    regexp: "^options zfs zfs_arc_max="
    line: "options zfs zfs_arc_max={{ zfs_arc_max }}"
    create: yes
    mode: 0644
  when: zfs_arc_max is defined