bundlewrap/bundles/systemd-networkd/items.py

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from bundlewrap.exceptions import BundleError
repo.libs.tools.require_bundle(node, 'systemd')
files = {
'/etc/network/interfaces': {
'delete': True,
},
'/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]}:{{}}'
for interface, config in node.metadata.get('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',
},
}
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',
},
}
svc_systemd = {
'systemd-networkd': {},
}