bundlewrap/bundles/systemd-networkd/items.py

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from bundlewrap.exceptions import BundleError
repo.libs.tools.require_bundle(node, 'systemd')
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files = {
'/etc/network/interfaces': {
'delete': True,
},
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}
svc_systemd = {
'systemd-networkd': {},
}
if node.metadata.get('systemd-networkd/enable-resolved', False):
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svc_systemd['systemd-resolved'] = {}
else:
files['/etc/resolv.conf'] = {
'content_type': 'mako',
}
directories = {
'/etc/systemd/network': {
'purge': True,
'needed_by': {
'svc_systemd:systemd-networkd',
},
'triggers': {
'svc_systemd:systemd-networkd:restart',
},
},
}
mac_host_prefix = '%04x' % (node.magic_number % 65534)
generated_mac = f'52:54:00:{mac_host_prefix[0:2]}:{mac_host_prefix[2:4]}:{{}}'
# Don't use .get() here. We might end up with a node without a network
# config!
for interface, config in node.metadata['interfaces'].items():
if config.get('dhcp', False):
if 'vlans' in config:
raise BundleError(f'{node.name} interface {interface} cannot use vlans and dhcp!')
template = 'template-iface-dhcp.network'
else:
template = 'template-iface-nodhcp.network'
if '.' in interface:
vlan_id = int(interface.split('.')[1])
vlan_hex = '%02x' % (vlan_id % 255)
files[f'/etc/systemd/network/{interface}.netdev'] = {
'source': 'template-iface-vlan.netdev',
'content_type': 'mako',
'context': {
'interface': interface,
'vlan': vlan_id,
'mac': generated_mac.format(vlan_hex)
},
'needed_by': {
'svc_systemd:systemd-networkd',
},
'triggers': {
'svc_systemd:systemd-networkd:restart',
},
}
elif interface.startswith('dummy'):
files[f'/etc/systemd/network/{interface}.netdev'] = {
'source': 'template-dummy.netdev',
'content_type': 'mako',
'context': {
'name': interface,
},
'needed_by': {
'svc_systemd:systemd-networkd',
},
'triggers': {
'svc_systemd:systemd-networkd:restart',
},
}
if not config.get('ignore', False):
files[f'/etc/systemd/network/{interface}.network'] = {
'source': template,
'content_type': 'mako',
'context': {
'interface': interface,
'config': config,
},
'needed_by': {
'svc_systemd:systemd-networkd',
},
'triggers': {
'svc_systemd:systemd-networkd:restart',
},
}
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for bond, config in node.metadata.get('systemd-networkd/bonds', {}).items():
files[f'/etc/systemd/network/{bond}.netdev'] = {
'source': 'template-bond.netdev',
'content_type': 'mako',
'context': {
'bond': bond,
'mode': config.get('mode', '802.3ad'),
'prio': config.get('priority', '32768'),
},
'needed_by': {
'svc_systemd:systemd-networkd',
},
'triggers': {
'svc_systemd:systemd-networkd:restart',
},
}
files[f'/etc/systemd/network/{bond}.network'] = {
'source': 'template-bond.network',
'content_type': 'mako',
'context': {
'bond': bond,
'match': config['match'],
},
'needed_by': {
'svc_systemd:systemd-networkd',
},
'triggers': {
'svc_systemd:systemd-networkd:restart',
},
}
for brname, config in node.metadata.get('systemd-networkd/bridges', {}).items():
filename = '{}-match-{}'.format(
brname,
'-'.join(sorted(config['match'])),
)
files[f'/etc/systemd/network/{brname}.netdev'] = {
'source': 'template-bridge.netdev',
'content_type': 'mako',
'context': {
'bridge': brname,
},
'needed_by': {
'svc_systemd:systemd-networkd',
},
'triggers': {
'svc_systemd:systemd-networkd:restart',
},
}
files[f'/etc/systemd/network/{filename}.network'] = {
'source': 'template-bridge.network',
'content_type': 'mako',
'context': {
'bridge': brname,
'match': config['match'],
},
'needed_by': {
'svc_systemd:systemd-networkd',
},
'triggers': {
'svc_systemd:systemd-networkd:restart',
},
}
if config.get('vlans', set()):
files[f'/etc/systemd/network/{brname}.network'] = {
'source': 'template-bridge-vlan.network',
'content_type': 'mako',
'context': {
'bridge': brname,
'vlans': config.get('vlans', set()),
},
'needed_by': {
'svc_systemd:systemd-networkd',
},
'triggers': {
'svc_systemd:systemd-networkd:restart',
},
}