---
# Copyright 2015, Rackspace US, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

- name: Check for a supported Operating System
  assert:
    that: ansible_distribution | lower == 'ubuntu'
  tags:
    - check-operating-system

- name: Identify the space available in /
  shell: |
    df -BG / | awk '/^[^Filesystem]/ {print $4}' | sed 's/G//'
  when:
    - bootstrap_host_data_disk_device is not defined
  changed_when: false
  register: root_space_available
  tags:
    - check-disk-size

- name: Fail if there is not enough space available in /
  assert:
    that: |
      root_space_available.stdout | int >= (bootstrap_host_data_disk_min_size * 0.75) | int
  when:
    - bootstrap_host_data_disk_device is not defined
  tags:
    - check-disk-size

- name: Fail if there is not enough disk space available (disk specified)
  assert:
    that: |
      (ansible_devices[bootstrap_host_data_disk_device]['size'] | replace(' GB','')) | int
      >= bootstrap_host_data_disk_min_size | int
  when:
    - bootstrap_host_data_disk_device is defined
  tags:
    - check-disk-size

- name: Ensure that the kernel has VXLAN support
  modprobe:
    name: vxlan
    state: present
  tags:
    - check-vxlan