tasks/Debian.yml

---
# usrp tasks/Debian.yml
#
# SPDX-FileCopyrightText: © 2021 Open Networking Foundation <support@opennetworking.org>
# SPDX-License-Identifier: Apache-2.0

- name: Install apt related prereqs
  apt:
    name:
      - "apt-transport-https"
      - "ca-certificates"
      - "gpg"
      - "software-properties-common"
    state: "present"
    update_cache: true

- name: Add ettusresearch apt repo
  apt_repository:
    repo: 'ppa:ettusresearch/uhd'
    mode: 0644
    update_cache: true

- name: Add ettusresearch apt repo key
  apt_key:
    data: "{{ lookup('file','ettusresearch.gpg') }}"
    state: "present"

- name: Add Official ettusresearch apt repo
  apt_repository:
    repo: >-
      deb http://ppa.launchpad.net/ettusresearch/uhd/ubuntu
      {{ ansible_lsb['codename'] }} main
    mode: 0644
    update_cache: true

- name: Install usrp related packages
  apt:
    name:
      - "linux-image-lowlatency"
      - "linux-headers-lowlatency"
      - "cpufrequtils"
      - "libuhd-dev"
      - "libuhd003"
      - "uhd-host"
    state: "present"
    update_cache: true

- name: Update grub
  replace:
    path: /etc/default/grub
    regexp: '(^GRUB_CMDLINE_LINUX_DEFAULT=)(.*)$'
    replace: |
      '\1"quiet intel_pstate=disable processor.max_cstate=1 intel_idle.max_cstate=0 idle=poll"'
    backup: true
  notify:
    - update-grub2

- name: Blacklist intel powerclamp
  blockinfile:
    dest: /etc/modprobe.d/blacklist.conf
    block: |
      # for OAI
      blacklist intel_powerclamp
    backup: true

- name: Check for existence of file cpufrequtils
  stat:
    path: /etc/default/cpufrequtils
  register: cpufrequtils_file_register

- name: Create file cpufrequtils
  when: not cpufrequtils_file_register.stat.exists
  file:
    path: /etc/default/cpufrequtils
    state: touch
    owner: root
    group: root
    mode: '0644'

- name: Set cpufrequtils
  blockinfile:
    dest: /etc/default/cpufrequtils
    block: |
      # for OAI/USRP
      GOVERNOR="performance"
    backup: true

- name: Disable ondemand service
  systemd:
    name: ondemand.service
    enabled: false
  notify:
    - restart-cpufrequtils

- name: Reboot necessary, flushing handlers
  meta: flush_handlers

- name: Reboot
  when: usrp_reboot
  reboot:
    msg: "Reboot initiated by Ansible"
    connect_timeout: 5
    reboot_timeout: 600
    pre_reboot_delay: 0
    post_reboot_delay: 30
    test_command: whoami