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# This file is part of curtin. See LICENSE file for copyright and license info.
from curtin.distro import DISTROS
def network_config_required_packages(network_config, mapping=None):
if network_config is None:
network_config = {}
if not isinstance(network_config, dict):
raise ValueError('Invalid network configuration. Must be a dict')
if mapping is None:
mapping = {}
if not isinstance(mapping, dict):
raise ValueError('Invalid network mapping. Must be a dict')
# allow top-level 'network' key
if 'network' in network_config:
network_config = network_config.get('network')
# v1 has 'config' key and uses type: devtype elements
if 'config' in network_config:
dev_configs = set(device['type']
for device in network_config['config'])
else:
# v2 has no config key
dev_configs = set()
for cfgtype, cfg in network_config.items():
if cfgtype == 'version':
continue
dev_configs.add(cfgtype)
# the renderer type may trigger package adds
for entry, entry_cfg in cfg.items():
if entry_cfg.get('renderer'):
dev_configs.add(entry_cfg.get('renderer'))
needed_packages = []
for dev_type in dev_configs:
if dev_type in mapping:
needed_packages.extend(mapping[dev_type])
return needed_packages
def detect_required_packages_mapping(osfamily=DISTROS.debian):
"""Return a dictionary providing a versioned configuration which maps
network configuration elements to the packages which are required
for functionality.
"""
# keys ending with 's' are v2 values
distro_mapping = {
DISTROS.debian: {
'bond': ['ifenslave'],
'bonds': ['ifenslave'],
'bridge': ['bridge-utils'],
'bridges': ['bridge-utils'],
'openvswitch': ['openvswitch-switch'],
'networkd': ['systemd'],
'NetworkManager': ['network-manager'],
'vlan': ['vlan'],
'vlans': ['vlan']},
DISTROS.redhat: {
'bond': [],
'bonds': [],
'bridge': [],
'bridges': [],
'openvswitch': ['openvswitch-switch'],
'vlan': [],
'vlans': []},
}
if osfamily not in distro_mapping:
raise ValueError('No net package mapping for distro: %s' % osfamily)
return {1: {'handler': network_config_required_packages,
'mapping': distro_mapping.get(osfamily)},
2: {'handler': network_config_required_packages,
'mapping': distro_mapping.get(osfamily)}}
# vi: ts=4 expandtab syntax=python
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