def _vlan_netdev(context, name, inventory_hostname):
"""Return a networkd NetDev configuration for a VLAN interface.
:param context: a Jinja2 Context object.
:param name: name of the network.
:param inventory_hostname: Ansible inventory hostname.
"""
device = networks.net_interface(context, name, inventory_hostname)
mtu = networks.net_mtu(context, name, inventory_hostname)
vlan = networks.net_vlan(context, name, inventory_hostname)
config = [{
'NetDev': [
{
'Name': device
},
{
'Kind': 'vlan'
},
{
'MTUBytes': mtu
},
],
}, {
'VLAN': [
{
'Id': vlan
},
]
}]
return _filter_options(config)
def _bond_member_network(context, name, member, inventory_hostname,
vlan_interfaces):
"""Return a networkd network configuration for a bond member.
:param context: a Jinja2 Context object.
:param name: name of the network.
:param member: name of the bond member interface.
:param inventory_hostname: Ansible inventory hostname.
:param vlan_interfaces: List of VLAN subinterfaces of the interface.
"""
bond = networks.get_and_validate_interface(context, name,
inventory_hostname)
mtu = networks.net_mtu(context, name, inventory_hostname)
config = [{
'Match': [
{
'Name': member
},
]
}, {
'Network': [
{
'Bond': bond
},
] + [{
'VLAN': vlan_interface
} for vlan_interface in vlan_interfaces]
}, {
'Link': [
{
'MTUBytes': mtu
},
]
}]
return _filter_options(config)
def _bridge_port_network(context, name, port, inventory_hostname,
vlan_interfaces):
"""Return a networkd network configuration for a bridge port.
:param context: a Jinja2 Context object.
:param name: name of the network.
:param port: name of the bridge port interface.
:param inventory_hostname: Ansible inventory hostname.
:param vlan_interfaces: List of VLAN subinterfaces of the interface.
"""
bridge = networks.get_and_validate_interface(context, name,
inventory_hostname)
mtu = networks.net_mtu(context, name, inventory_hostname)
config = [{
'Match': [
{
'Name': port
},
]
}, {
'Network': [
{
'Bridge': bridge
},
] + [{
'VLAN': vlan_interface
} for vlan_interface in vlan_interfaces]
}, {
'Link': [
{
'MTUBytes': mtu
},
]
}]
return _filter_options(config)
def _bond_netdev(context, name, inventory_hostname):
"""Return a networkd NetDev configuration for a bond.
:param context: a Jinja2 Context object.
:param name: name of the network.
:param inventory_hostname: Ansible inventory hostname.
"""
device = networks.net_interface(context, name, inventory_hostname)
mtu = networks.net_mtu(context, name, inventory_hostname)
mode = networks.net_bond_mode(context, name, inventory_hostname)
ad_select = networks.net_bond_ad_select(context, name, inventory_hostname)
miimon = networks.net_bond_miimon(context, name, inventory_hostname)
updelay = networks.net_bond_updelay(context, name, inventory_hostname)
downdelay = networks.net_bond_downdelay(context, name, inventory_hostname)
xmit_hash_policy = networks.net_bond_xmit_hash_policy(
context, name, inventory_hostname)
lacp_rate = networks.net_bond_lacp_rate(context, name, inventory_hostname)
config = [{
'NetDev': [
{
'Name': device
},
{
'Kind': 'bond'
},
{
'MTUBytes': mtu
},
]
}, {
'Bond': [
{
'Mode': mode
},
{
'AdSelect': ad_select
},
{
'TransmitHashPolicy': xmit_hash_policy
},
{
'LACPTransmitRate': lacp_rate
},
{
'MIIMonitorSec': _ms_to_s(miimon)
},
{
'UpDelaySec': _ms_to_s(updelay)
},
{
'DownDelaySec': _ms_to_s(downdelay)
},
]
}]
return _filter_options(config)
def networkd_networks(context, names, inventory_hostname=None):
"""Return a dict representation of networkd network configuration.
The format is compatible with the systemd_networkd_network variable in the
stackhpc.ansible_role_systemd_networkd role.
:param context: a Jinja2 Context object.
:param names: List of names of networks.
:param inventory_hostname: Ansible inventory hostname.
:returns: a dict representation of networkd network configuration.
"""
# TODO(mgoddard): some attributes are currently not supported for
# systemd-networkd: rules, route options, ethtool_opts, zone,
# allowed addresses
# Build up some useful mappings.
bridge_port_to_bridge = {}
bond_member_to_bond = {}
interface_to_vlans = {}
# List of all interfaces.
interfaces = [
networks.net_interface(context, name, inventory_hostname)
for name in names
]
# Map bridge ports to bridges.
for name in networks.net_select_bridges(context, names,
inventory_hostname):
device = networks.get_and_validate_interface(context, name,
inventory_hostname)
for port in networks.net_bridge_ports(context, name,
inventory_hostname):
bridge_port_to_bridge[port] = device
# Map bond members to bonds.
for name in networks.net_select_bonds(context, names, inventory_hostname):
device = networks.get_and_validate_interface(context, name,
inventory_hostname)
for member in networks.net_bond_slaves(context, name,
inventory_hostname):
bond_member_to_bond[member] = device
# Map interfaces to lists of VLAN subinterfaces.
for name in networks.net_select_vlans(context, names, inventory_hostname):
device = networks.get_and_validate_interface(context, name,
inventory_hostname)
vlan = networks.net_vlan(context, name, inventory_hostname)
mtu = networks.net_mtu(context, name, inventory_hostname)
parent = networks.get_vlan_parent(device, vlan)
vlan_interfaces = interface_to_vlans.setdefault(parent, [])
vlan_interfaces.append({"device": device, "mtu": mtu})
# Prefix for configuration file names.
prefix = utils.get_hostvar(context, "networkd_prefix", inventory_hostname)
result = {}
# Configured networks.
for name in names:
device = networks.get_and_validate_interface(context, name,
inventory_hostname)
bridge = bridge_port_to_bridge.get(device)
bond = bond_member_to_bond.get(device)
vlan_interfaces = interface_to_vlans.get(device, [])
net = _network(context, name, inventory_hostname, bridge, bond,
[vlan["device"] for vlan in vlan_interfaces])
_add_to_result(result, prefix, device, net)
# VLAN parent interfaces that are not in configured networks, bridge ports
# or bond members.
implied_vlan_parents = (set(interface_to_vlans) - set(interfaces) -
set(bridge_port_to_bridge) -
set(bond_member_to_bond))
for device in implied_vlan_parents:
vlan_interfaces = interface_to_vlans[device]
mtu = max([vlan["mtu"] for vlan in vlan_interfaces])
net = _vlan_parent_network(
device, mtu, [vlan["device"] for vlan in vlan_interfaces])
_add_to_result(result, prefix, device, net)
# Bridge ports that are not in configured networks.
for name in networks.net_select_bridges(context, names,
inventory_hostname):
device = networks.get_and_validate_interface(context, name,
inventory_hostname)
bridge_ports = networks.net_bridge_ports(context, name,
inventory_hostname)
for port in set(bridge_ports) - set(interfaces):
vlan_interfaces = interface_to_vlans.get(port, [])
net = _bridge_port_network(
context, name, port, inventory_hostname,
[vlan["device"] for vlan in vlan_interfaces])
_add_to_result(result, prefix, port, net)
# Bond members that are not in configured networks.
for name in networks.net_select_bonds(context, names, inventory_hostname):
device = networks.get_and_validate_interface(context, name,
inventory_hostname)
bond_members = networks.net_bond_slaves(context, name,
inventory_hostname)
for member in set(bond_members) - set(interfaces):
vlan_interfaces = interface_to_vlans.get(member, [])
net = _bond_member_network(
context, name, member, inventory_hostname,
[vlan["device"] for vlan in vlan_interfaces])
_add_to_result(result, prefix, member, net)
# Virtual Ethernet pairs for Open vSwitch.
veths = networks.get_ovs_veths(context, names, inventory_hostname)
for veth in veths:
net = _veth_network(context, veth, inventory_hostname)
device = veth['name']
_add_to_result(result, prefix, device, net)
net = _veth_peer_network(context, veth, inventory_hostname)
device = veth['peer']
_add_to_result(result, prefix, device, net)
return result
def _network(context, name, inventory_hostname, bridge, bond, vlan_interfaces):
"""Return a networkd network for an interface.
:param context: a Jinja2 Context object.
:param name: name of the network.
:param inventory_hostname: Ansible inventory hostname.
:param bridge: Name of a bridge into which the interface is plugged, or
None.
:param bond: Name of a bond of which the interface is a member, or None.
:param vlan_interfaces: List of VLAN subinterfaces of the interface.
"""
# FIXME(mgoddard): Currently does not support: ethtool_opts, zone,
# allowed_addresses.
device = networks.net_interface(context, name, inventory_hostname)
ip = networks.net_ip(context, name, inventory_hostname)
cidr = networks.net_cidr(context, name, inventory_hostname)
gateway = networks.net_gateway(context, name, inventory_hostname)
if ip is None:
gateway = None
else:
if not cidr:
raise errors.AnsibleFilterError(
"No CIDR attribute configured for '%s' network but it has an "
"IP address" % (name))
ip = "%s/%s" % (ip, ipaddress.ip_network(cidr).prefixlen)
mtu = networks.net_mtu(context, name, inventory_hostname)
routes = networks.net_routes(context, name, inventory_hostname)
rules = networks.net_rules(context, name, inventory_hostname)
bootproto = networks.net_bootproto(context, name, inventory_hostname)
defroute = networks.net_defroute(context, name, inventory_hostname)
if defroute is not None:
defroute = utils.call_bool_filter(context, defroute)
config = [
{
'Match': [
{
'Name': device
},
]
},
{
'Network': [
{
'Address': ip
},
{
'Gateway': gateway
},
{
'DHCP': ('yes' if bootproto and bootproto.lower() == 'dhcp'
else None)
},
{
'UseGateway': ('false' if defroute is not None
and not defroute else None)
},
{
'Bridge': bridge
},
{
'Bond': bond
},
] + [{
'VLAN': vlan_interface
} for vlan_interface in vlan_interfaces]
},
{
'Link': [
{
'MTUBytes': mtu
},
]
},
]
# NOTE(mgoddard): Systemd-networkd does not support named route tables
# until v248. Until then, translate names to numeric IDs using the
# network_route_tables variable.
route_tables = utils.get_hostvar(context, "network_route_tables",
inventory_hostname)
route_tables = {table["name"]: table["id"] for table in route_tables}
config += _network_routes(routes, route_tables)
config += _network_rules(rules, route_tables)
return _filter_options(config)
