---
# Copyright 2020 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.


- name: Check if lvm2 is installed
  shell: rpm -q lvm2
  become: true
  failed_when: false
  register: lvm_pkg_check
- name: gather allowed block devices list
  when:
    - lvm_pkg_check.rc is defined
    - lvm_pkg_check.rc == 0
    - tripleo_tripleo_lvmfilter_enabled or tripleo_tripleo_lvmfilter_dry_run
  block:
    - name: collect in-use lvm2 devices list
      become: true
      lvm2_physical_devices_facts:
    - name: set allowed_devices
      set_fact:
        allowed_devices: "{{ (ansible_facts['lvm2_active_pvs'] | default([]) | list)
                         | intersect(ansible_devices.keys())
                         + (tripleo_tripleo_lvmfilter_devices_allowlist | default([]))
                         | unique }}"
    - name: build lvm2 allow list
      set_fact:
        lvm2_allow_list: "\"{{ allowed_devices | map('regex_replace', '(.+)', 'a|\\1|')
                         | join('\",\"') }}\""
    - name: build lvm2 deny list
      set_fact:
        lvm2_deny_list: "\"{{ tripleo_tripleo_lvmfilter_devices_denylist | default([])
                        | map('regex_replace', '(.+)', 'r|\\1|') | join('\",\"') }}\""
    - name: build lvm2 filter
      set_fact:
        lvm2_filter: "{{ lvm2_allow_list + ',' + lvm2_deny_list }}"
    - name: regenerate lvm config
      become: true
      command: >
        lvmconfig -f /tmp/tripleo_lvmfilter.conf
        --mergedconfig --withgeneralpreamble --withspaces --withsummary --withcomments --ignorelocal --showdeprecated
        --config devices/global_filter='[{{ lvm2_filter }}]'
    - name: copy new lvm.conf in place
      become: true
      copy:
        remote_src: true
        src: /tmp/tripleo_lvmfilter.conf
        dest: /etc/lvm/lvm.conf
        owner: root
        group: root
        mode: '0644'
        backup: true
      when: tripleo_tripleo_lvmfilter_enabled
      notify:
        - Refresh LVM caches