---
- name: Verify
  hosts: all
  gather_facts: false
  any_errors_fatal: true
  vars:
    virtual_group: "group"
    logical_volume: "volume"
    lvm_dev: "/dev/loop0"
    make_lv_fs_type: ext4
    make_lv_storage_mountpoint: "/mnt"

  tasks:
    - name: Get volume group list
      ansible.builtin.shell:
        cmd: "set -o pipefail ; pvs | grep {{ lvm_dev }}"
        executable: /bin/bash
      changed_when: false
      failed_when: false
      register: make_lv_vg_list

    - name: Assert that volume group exists
      ansible.builtin.assert:
        that: virtual_group in make_lv_vg_list.stdout
        success_msg: "{{ lvm_dev }} has {{ virtual_group }} group"
        fail_msg: "{{ lvm_dev }} DOES NOT have {{ virtual_group }} group"

    - name: Get logical volume list
      ansible.builtin.shell:
        cmd: "set -o pipefail ; lvs | grep {{ virtual_group }} | grep {{ logical_volume }}"
        executable: /bin/bash
      changed_when: false
      failed_when: false
      register: make_lv_lv_list

    - name: Assert that logical volume exists
      ansible.builtin.assert:
        that: logical_volume in make_lv_lv_list.stdout
        success_msg: "{{ virtual_group }} has {{ logical_volume }} volume"
        fail_msg: "{{ virtual_group }} DOES NOT have {{ logical_volume }} volume"

    - name: Get filesystem type
      ansible.builtin.command: "blkid /dev/mapper/{{ virtual_group }}-{{ logical_volume }} -o value -s TYPE"
      changed_when: false
      failed_when: false
      register: make_lv_current_fs

    - name: Assert that current filesystem is the required one
      ansible.builtin.assert:
        that: make_lv_current_fs.stdout == make_lv_fs_type
        success_msg: "{{ virtual_group }} - {{ logical_volume }} has {{ make_lv_fs_type }} filesystem"
        fail_msg: "{{ virtual_group }} - {{ logical_volume }} DOES NOT have {{ make_lv_fs_type }} filesystem"

    - name: Get logical volume mount info # noqa: command-instead-of-module — tells ansible-lint to ignore the error, because you can't actually
                                          #                                   do it with ansible.builtin.mount as the linter begs me to do
      ansible.builtin.shell: "mount | grep -w '{{ virtual_group }}-{{ logical_volume }}'"
      register: make_lv_mount_check
      ignore_errors: true
      changed_when: false

    - name: Assert that volume is mounted
      ansible.builtin.assert:
        that: make_lv_mount_check.rc == 0
        success_msg: "{{ virtual_group }}-{{ logical_volume }} is mounted at {{ make_lv_storage_mountpoint }}"
        fail_msg: "{{ virtual_group }}-{{ logical_volume }} IS NOT mounted at {{ make_lv_storage_mountpoint }}"