---
# Copyright 2017, 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.

lxc_container_map:
  distro: "{{ hostvars[physical_host]['ansible_facts']['distribution'] | lower }}"
  arch: "{{ lxc_architecture_mapping.get(hostvars[physical_host]['ansible_facts']['architecture'] | lower) }}"
  release: "{{ hostvars[physical_host]['ansible_facts']['distribution_major_version'] }}"

lxc_container_default_config_list:
  - "lxc.autodev=1"
  - "lxc.hook.autodev=/var/lib/lxc/{{ inventory_hostname }}/autodev"

# A set of container networks used within the LXC containers. This information
# is sourced from the assumed "container_networks", "container_extra_networks"
# and "lxc_container_networks" variables and combined into a single
# immutable hash.
lxc_container_networks_combined: "{{ container_networks | default({}) | combine(container_extra_networks | default({})) | combine(lxc_container_networks) }}"
sysctl_path: "/sbin"
_lxc_container_bind_mounts: []

_lxc_container_systemd_networks: |
  {% set systemd_networks = [] %}
  {% for network in lxc_container_networks_combined.values() %}
  {% set _ = systemd_networks.append({
    'filename': network.interface,
    'interface': network.interface,
    'address': network.address | default('dhcp'),
    'netmask': network.netmask | default(),
    'gateway': network.gateway | default(),
    'mtu': network.mtu | default(),
    'static_routes': network.static_routes | default([]),
    'usedns': ('dhcp_use_dns' in network) | ternary(network.dhcp_use_dns, lxc_container_enable_resolved | bool),
    'config_overrides': ('dhcp_use_routes' in network) | ternary({'DHCP': {'UseRoutes': network.dhcp_use_routes}}, {})
  }) %}
  {% endfor %}
  {{ systemd_networks }}

_lxc_container_systemd_services: |
  {% set systemd_services = [] %}
  {% for network in lxc_container_networks_combined.values() %}
  {% set postup_command = network.postup | default([]) | union(lxc_container_default_postup) %}
  {% set postdown_command = network.postdown | default([]) | union(lxc_container_default_postdown) %}
  {% set preup_command = network.preup | default([]) | union(lxc_container_default_preup) %}
  {% set predown_command = network.predown | default([]) | union(lxc_container_default_predown) %}
  {% if postup_command or postdown_command %}
  {%   set _ = systemd_services.append({
        'service_name': 'post-up-down-' ~ network.interface,
        'service_type': 'oneshot',
        'state': 'started',
        'enabled': True,
        'execstarts': postup_command,
        'execstops': postdown_command,
        'after_targets': ['network.target']
  }) %}
  {% endif %}
  {% if preup_command or predown_command %}
  {%  set _ = systemd_services.append({
        'service_name': 'pre-up-down-' ~ network.interface,
        'service_type': 'oneshot',
        'state': 'started',
        'enabled': True,
        'execstarts': preup_command,
        'execstops': predown_command,
        'after_targets': ['local-fs.target'],
        'config_overrides': {'Unit': {'Before': 'network-pre.target', 'Wants': 'network-pre.target'}}
  }) %}
  {% endif %}
  {% endfor %}
  {% set _ = systemd_services.append({
    'service_name': 'sysctl-container',
    'service_type': 'oneshot',
    'state': 'started',
    'enabled': True,
    'execstarts': sysctl_path ~ '/sysctl -p',
    'after_targets': ['systemd-modules-load.service'],
    'config_overrides': {
      'Unit': {
        'DefaultDependencies': 'no',
        'Conflicts': 'shutdown.target',
        'Before': 'sysinit.target shutdown.target'
      },
      'Service': {
        'RemainAfterExit': 'yes'
      }
    }
  }) %}
  {% set _ = systemd_services.append({
    'service_name': 'systemd-hostnamed',
    'state': 'started',
    'enabled': True,
    'systemd_overrides_only': True,
    'systemd_overrides': {
      'Service': {
        'PrivateNetwork': 'no',
        'PrivateDevices': 'no'
      }
    }
  }) %}
  {{ systemd_services }}