96 lines
2.6 KiB
Python
96 lines
2.6 KiB
Python
from ipaddress import ip_interface
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defaults = {
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'network': {},
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}
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@metadata_reactor.provides(
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'network',
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)
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def dhcp(metadata):
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networks = {}
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for network_name, network_conf in metadata.get('network').items():
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_interface = ip_interface(network_conf['ipv4'])
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_ip = _interface.ip
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_network = _interface.network
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_hosts = list(_network.hosts())
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if network_conf.get('dhcp_server', False):
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networks[network_name] = {
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'dhcp_server_config': {
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'subnet': str(_network),
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'pool_from': str(_hosts[len(_hosts)//2]),
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'pool_to': str(_hosts[-3]),
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'router': str(_ip),
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'domain-name-servers': str(_ip),
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}
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}
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return {
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'network': networks,
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}
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@metadata_reactor.provides(
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'systemd/units',
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)
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def units(metadata):
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units = {}
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for network_name, network_conf in metadata.get('network').items():
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interface_type = network_conf.get('type', None)
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# network
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units[f'{network_name}.network'] = {
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'Match': {
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'Name': network_name if interface_type == 'vlan' else network_conf['interface'],
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},
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'Network': {
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'DHCP': network_conf.get('dhcp', 'no'),
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'IPv6AcceptRA': network_conf.get('dhcp', 'no'),
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'VLAN': set(network_conf.get('vlans', set()))
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}
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}
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# type
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if interface_type:
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units[f'{network_name}.network']['Match']['Type'] = interface_type
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# ips
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for i in [4, 6]:
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if network_conf.get(f'ipv{i}', None):
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units[f'{network_name}.network'].update({
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f'Address#ipv{i}': {
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'Address': network_conf[f'ipv{i}'],
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},
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})
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if f'gateway{i}' in network_conf:
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units[f'{network_name}.network'].update({
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f'Route#ipv{i}': {
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'Gateway': network_conf[f'gateway{i}'],
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'GatewayOnlink': 'yes',
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}
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})
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# as vlan
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if interface_type == 'vlan':
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units[f"{network_name}.netdev"] = {
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'NetDev': {
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'Name': network_name,
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'Kind': 'vlan',
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},
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'VLAN': {
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'Id': network_conf['id'],
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}
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}
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return {
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'systemd': {
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'units': units,
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}
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}
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