ansible-playbooks/roles/proxmox/tasks/main.yml

- name: set proxmox_cfg
  set_fact:
    proxmox_cfg: "{{ proxmox_default_config | d({}) | combine(proxmox_config | d({}), recursive=true) }}"


- name: install extra proxmox packages
  package:
    name: "{{ item }}"
  loop: "{{ proxmox_default_packages + (proxmox_packages | d([])) }}"


- block:
    - name: set cpu scheduler in cron
      cron:
        name: set cpu scheduler
        special_time: reboot
        job: 'echo {{ proxmox_cfg.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: no


        - name: change cpu scheduler
          shell:
            cmd: 'echo {{ proxmox_cfg.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] != proxmox_cfg.cpu_governor)

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

  when: proxmox_cfg.cpu_governor is string


- 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.key }}: "
    line: "{{ item.key }}: {{ item.value }}"
    mode: 0640
    owner: root
    group: www-data
    create: yes
  loop: "{{ proxmox_cfg.datacenter | dict2items }}"


- name: enable auto-reboot on kernel panic
  copy:
    dest: /etc/sysctl.d/90-auto-reboot.conf
    content: "kernel.panic = 5\n"
    mode: 0644
  when: proxmox_cfg.auto_reboot | d(true) == true


- 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={{ proxmox_cfg.zfs_arc_max }}"
    create: yes
    mode: 0644
  when: proxmox_cfg.zfs_arc_max is defined