---
- hosts: undercloud
  vars:
    metadata:
      name: Check if ceph-ansible is installed on the undercloud
      description: >
        Prints a message if ceph-ansible isn't installed
      groups:
        - pre-deployment
    fail_without_ceph_ansible: false
    ceph_ansible_repo: "centos-ceph-luminous"
  tasks:
  - name: Check if ceph-ansible is installed
    command: yum list installed ceph-ansible
    args:
      warn: no
    ignore_errors: true
    register: ceph_ansible_installed
    changed_when: False
  - name: Warn about missing ceph-ansible
    warn:
      msg: If planning to use Ceph, it is necessary to install the ceph-ansible on the undercloud
    when:
      - ceph_ansible_installed is failed
      - ceph_ansible_installed.stdout.find('is not installed') != -1
      - fail_without_ceph_ansible|default(false)|bool
  - name: Get ceph-ansible repository
    shell: "yum info ceph-ansible | awk '/From repo/ {print $4}'"
    register: repo
    changed_when: False
  - name: Fail if ceph-ansible doesn't belong to the specified repo
    fail:
      msg: "Make sure ceph-ansible package is installed from {{ ceph_ansible_repo }}"
    when:
      - (repo.stdout | length == 0 or repo.stdout != "{{ ceph_ansible_repo }}")
      - fail_without_ceph_ansible|default(false)|bool