---
# Tasks to validate state=remounted behaves as expected.
# Linux only.

- name: Create empty file
  command:
    cmd: "dd if=/dev/zero of=/tmp/myfs.img bs=1048576 count=20"

- name: Format FS
  community.general.filesystem:
    fstype: ext3
    dev: /tmp/myfs.img

- name: Mount the FS for the first time
  mount:
    path: /tmp/myfs
    src: /tmp/myfs.img
    fstype: ext3
    state: mounted

- name: Get the mount counter value
  shell:
    cmd: "dumpe2fs /tmp/myfs.img 2>/dev/null | grep -i '^mount count:'"
  changed_when: false
  register: mount_count1

- name: Get the current mount as exposed in /proc/mounts
  command:
    cmd: "grep /tmp/myfs /proc/mounts"
  changed_when: false
  register: proc_mounts1

- name: Remount the filesystem
  mount:
    path: /tmp/myfs
    opts: nosuid
    state: remounted

- name: Get again the mount counter value
  shell:
    cmd: "dumpe2fs /tmp/myfs.img 2>/dev/null | grep -i '^mount count:'"
  changed_when: false
  register: mount_count2

- name: Get again the current mount as exposed in /proc/mounts
  command:
    cmd: "grep /tmp/myfs /proc/mounts"
  changed_when: false
  register: proc_mounts2

- name: Assert that mount has changed despite its counter has not
  assert:
    that:
      - mount_count1.stdout == mount_count2.stdout
      - proc_mounts1.stdout != proc_mounts2.stdout

- name: Unmount the FS
  mount:
    path: /tmp/myfs
    state: absent

- name: Remove disk image
  file:
    path: /tmp/myfs.img
    state: absent