---
- hosts: undercloud, overcloud
  vars:
    metadata:
      name: XFS ftype check
      description: >
        Check if there is at least 1 XFS volume
        with ftype=0 in any deployed node.
      groups:
        - pre-upgrade
  tasks:
  - name: Check if there are XFS volumes with ftype=0
    become: true
    shell: |
      for dev in $(df -h | grep '/dev/' | grep -v 'tmp' | cut -d' ' -f1)
      do
        parseftype=$(xfs_info $dev | grep ftype=0);
        if [[ ! -z "$parseftype" ]]; then
          ftype="ftype=0";
          break;
        fi
      done
      echo $ftype;
    register: ftype
    changed_when: false
  - name: Check ftype
    fail:
      msg: >
        XFS volumes formatted using ftype=0 are incompatible
        with the docker overlayfs driver.
        Run xfs_info in {{ ansible_fqdn }} and fix those volumes
        before proceeding with the upgrade.
    when:
      - ftype.stdout == 'ftype=0'