network/defaults/main.yml

# SPDX-License-Identifier: BSD-3-Clause
---
network_connections: []

network_allow_restart: false

# Ansible distribution identifiers that the role treats like RHEL
__network_rh_distros:
  - CentOS
  - OracleLinux
  - RedHat
  - Rocky

# Use initscripts for RHEL/CentOS < 7, nm otherwise
network_provider_os_default: "{{
    'initscripts' if ansible_distribution in __network_rh_distros and
        ansible_distribution_major_version is version('7', '<')
        else 'nm' }}"
# If NetworkManager.service is running, assume that 'nm' is currently in-use,
# otherwise initscripts
__network_provider_current: "{{
    'nm' if 'NetworkManager.service' in ansible_facts.services and
        ansible_facts.services['NetworkManager.service']['state'] == 'running'
        else 'initscripts' }}"
# Default to the auto-detected value
network_provider: "{{ __network_provider_current }}"

# check if any 802.1x connections are defined
__network_ieee802_1x_connections_defined: "{{ network_connections |
      selectattr('ieee802_1x', 'defined') | list | count > 0 }}"

# check if any wireless connections are defined
__network_wireless_connections_defined: "{{ network_connections |
      selectattr('type', 'defined') |
      selectattr('type', 'match', '^wireless$') | list | count > 0 }}"

# NetworkManager-wireless is required for wireless connections
__network_packages_default_wireless: ["{%
      if __network_wireless_connections_defined
      %}NetworkManager-wifi{% endif %}"]

# check if any team connections are defined
__network_team_connections_defined: "{{ network_connections |
      selectattr('type', 'defined') |
      selectattr('type', 'match', '^team$') | list | count > 0 }}"

# NetworkManager-team is required for team connections
__network_packages_default_team: ["{%
      if __network_team_connections_defined
      %}NetworkManager-team{% endif %}"]

# wpa_supplicant is required if any 802.1x or wireless connections are defined
__network_wpa_supplicant_required: "{{
      __network_ieee802_1x_connections_defined or
      __network_wireless_connections_defined }}"
__network_packages_default_wpa_supplicant: ["{%
      if __network_wpa_supplicant_required
      %}wpa_supplicant{% endif %}"]

# The python-gobject-base package depends on the python version and
# distribution:
# - python-gobject-base on RHEL7 (no python2-gobject-base :-/)
# - python3-gobject-base on Fedora 28+
__network_packages_default_gobject_packages: ["python{{
      ansible_python['version']['major'] | replace('2', '') }}-gobject-base"]

__network_service_name_default_nm: NetworkManager
__network_packages_default_nm: "{{ ['NetworkManager']
      + __network_packages_default_gobject_packages | select() | list()
      + __network_packages_default_wpa_supplicant | select() | list()
      + __network_packages_default_wireless | select() | list()
      + __network_packages_default_team | select() | list() }}"

__network_service_name_default_initscripts: network

# initscripts requires bridge-utils to manage bridges, install it when the
# 'bridge' type is used in network_connections
__network_packages_default_initscripts_bridge: ["{%
if network_connections | selectattr('type', 'defined') |
   selectattr('type', 'match', '^bridge$') | list | count > 0 and
   ansible_distribution in __network_rh_distros and
   ansible_distribution_major_version is version('7', '<=')
%}bridge-utils{% endif %}"]
__network_packages_default_initscripts_network_scripts: ["{%
if ansible_distribution in __network_rh_distros and
    ansible_distribution_major_version is version('7', '<=')
%}initscripts{% else %}network-scripts{% endif %}"]
# convert _network_packages_default_initscripts_bridge to an empty list if it
# contains only the empty string and add it to the default package list
# |select() filters the list to include only values that evaluate to true
#     (the empty string is false)
# |list() converts the generator that |select() creates to a list
__network_packages_default_initscripts: "{{
__network_packages_default_initscripts_bridge | select() | list()
+ __network_packages_default_initscripts_network_scripts | select() | list()
}}"


# The user can explicitly set host variables "network_provider",
# "network_service_name" and "network_packages".
#
# Usually, the user only wants to select the "network_provider"
# (or not set it at all and let it be autodetected via the
# internal variable "{{ __network_provider_current }}". Hence,
# depending on the "network_provider", a different set of
# service-name and packages is chosen.
#
# That is done via the internal "__network_provider_setup" dictionary.
# If the user doesn't explicitly set "network_service_name" or
# "network_packages" (which he usually wouldn't), then the defaults
# from "__network_service_name_default_*" and "__network_packages_default_*"
# apply. These values are hard-coded in this file, but they also could
# be overwritten as host variables or via vars/*.yml.
__network_provider_setup:
  nm:
    service_name: "{{ __network_service_name_default_nm }}"
    packages: "{{ __network_packages_default_nm }}"
  initscripts:
    service_name: "{{ __network_service_name_default_initscripts }}"
    packages: "{{ __network_packages_default_initscripts }}"

network_packages: "{{
    __network_provider_setup[network_provider]['packages'] }}"
network_service_name: "{{
    __network_provider_setup[network_provider]['service_name'] }}"

# ansible_facts required by the role
__network_required_facts:
  - distribution
  - distribution_major_version
  - distribution_version
  - os_family
  - python