---
# Copyright 2019 Red Hat, Inc.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.


# "tripleo_kernel" will search for and load any operating system variable file

- name: Kernel tuning block
  become: true
  block:
    - name: Install additional packages
      package:
        name: "{{ item.key }}"
        state: "{{ item.opt.state | default('present') }}"
      loop: "{{ tripleo_kernel_extra_packages | dict2items(key_name='key', value_name='opt') }}"
      register: _install_packages_result

    - name: Remove dracut-config-generic
      package:
        name: 'dracut-config-generic'
        state: absent

    - name: Ensure the /etc/modules-load.d/ directory exists
      file:
        path: /etc/modules-load.d
        state: directory
        mode: 0755
        owner: root
        group: root
        setype: etc_t

    - name: Write list of modules to load at boot
      template:
        src: "tripleo-modprobe.conf.j2"
        dest: "/etc/modules-load.d/99-tripleo.conf"
        mode: 0644
        owner: root
        group: root
        setype: etc_t
      register: _modprobe_result

    - name: Modules reload
      systemd:
        name: systemd-modules-load.service
        state: restarted
      when:
        - _install_packages_result.changed or _modprobe_result.changed

    - name: Set default sysctl options
      template:
        src: "tripleo-sysctl.conf.j2"
        dest: "/etc/sysctl.d/99-tripleo.conf"
        mode: 0644
        owner: root
        group: root
        setype: etc_t
      register: _default_sysctl_result

    - name: Set extra sysctl options
      sysctl:
        name: "{{ setting.key }}"
        value: "{{ setting.opt.value }}"
        sysctl_set: "{{ setting.opt.set | default(true) }}"
        state: "{{ setting.opt.state | default('present') }}"
        sysctl_file: "/etc/sysctl.d/99-tripleo.conf"
        reload: false
      loop: "{{ tripleo_kernel_sysctl_extra_settings | dict2items(key_name='key', value_name='opt') }}"
      loop_control:
        label: "{{ setting.key }}"
        loop_var: setting
      register: _extra_sysctl_result

    - name: Sysctl reload
      systemd:
        name: systemd-sysctl.service
        state: restarted
      when:
        - _extra_sysctl_result.changed or _default_sysctl_result.changed