size_available in bytes instead kb

[MrTomtom73]

Describe the bug

Could it be that the check of the disc size with the fact size_available is not correct? In my view, the size_available value is returned in bytes instead of kilobytes.

If I define the following variables, I don't get an error even though the free space is too small:

  - name: /
    gigabytes_available: 50

When I query the disc size on the host, I get the following values:

thomas@docker101-lxc:~$ df
Filesystem                         1K-blocks       Used  Available Use% Mounted on
/dev/mapper/pve-vm--101--disk--0    20466256    2234004   17167292  12% /

thomas@docker101-lxc:~$ df -h
Filesystem                        Size  Used Avail Use% Mounted on
/dev/mapper/pve-vm--101--disk--0   20G  2.2G   17G  12% /

thomas@docker101-lxc:~$ df -B1
Filesystem                            1B-blocks          Used     Available Use% Mounted on
/dev/mapper/pve-vm--101--disk--0    20957446144    2287628288   17579298816  12% /

Playbook

I use the following playbook:

---
# file: monitor_diskspace.yml
- name: Monitor Disk Space
  hosts: proxmox_hosts
  become: true
  gather_facts: true
  tags:
    - monitor_diskspace
  collections:
      - robertdebock.roles
  
  roles:
    - diskspace

Output

I receive this issue as verbose:

    "ansible_loop_var": "item",
    "changed": false,
    "item": {
        "block_available": 8386014,
        "block_size": 4096,
        "block_total": 9648476,
        "block_used": 1262462,
        "device": "/dev/mapper/pve-root",
        "dump": 0,
        "fstype": "ext4",
        "inode_available": 2419873,
        "inode_total": 2473984,
        "inode_used": 54111,
        "mount": "/",
        "options": "rw,relatime,errors=remount-ro",
        "passno": 0,
        "size_available": 34349113344,
        "size_total": 39520157696,
        "uuid": "62fa087d-e1c7-4497-b515-59eaafb90eb8"
    },
    "msg": "All assertions passed"
}

Workaround

If I adjust the file mount.yml (lines 20-22) as follows, the check works:

    that:
      - (item.size_available / 1024) | int >= kilobytes_available |int
    fail_msg: "{{ item.mount }} has {{ item.size_available / 1024 }} KB, minimum required {{ kilobytes_available }}."

Output:

failed: [pve1] (item=/) => {
    "ansible_loop_var": "item",
    "assertion": "(item.size_available / 1024) | int >= kilobytes_available |int",
    "changed": false,
    "evaluated_to": false,
    "item": {
        "block_available": 8385967,
        "block_size": 4096,
        "block_total": 9648476,
        "block_used": 1262509,
        "device": "/dev/mapper/pve-root",
        "dump": 0,
        "fstype": "ext4",
        "inode_available": 2419873,
        "inode_total": 2473984,
        "inode_used": 54111,
        "mount": "/",
        "options": "rw,relatime,errors=remount-ro",
        "passno": 0,
        "size_available": 34348920832,
        "size_total": 39520157696,
        "uuid": "62fa087d-e1c7-4497-b515-59eaafb90eb8"
    },
    "msg": "/ has 33543868.0 KB, minimum required 52428800."
}

Environment

• Control node OS: Debian GNU/Linux 12 (bookworm)
• Control node Ansible version: 2.17.5
• Managed node OS: Debian GNU/Linux 12 (bookworm)

Please consider sponsoring me.