def osvif_to_neutron_fixed_ips(subnets):
fixed_ips = []
for subnet_id, network in six.iteritems(subnets):
ips = []
if len(network.subnets.objects) > 1:
raise k_exc.IntegrityError(
_LE("Network object for subnet %(subnet_id)s is invalid, "
"must contain a single subnet, but %(num_subnets)s found")
% {
'subnet_id': subnet_id,
'num_subnets': len(network.subnets.objects)
})
for subnet in network.subnets.objects:
if subnet.obj_attr_is_set('ips'):
ips.extend([str(ip.address) for ip in subnet.ips.objects])
if ips:
fixed_ips.extend([{
'subnet_id': subnet_id,
'ip_address': ip
} for ip in ips])
else:
fixed_ips.append({'subnet_id': subnet_id})
return fixed_ips
def _make_vif_subnets(neutron_port, subnets):
"""Gets a list of os-vif Subnet objects for port.
:param neutron_port: dict containing port information as returned by
neutron client's 'show_port'
:param subnets: subnet mapping as returned by PodSubnetsDriver.get_subnets
:return: list of os-vif Subnet object
"""
vif_subnets = {}
for neutron_fixed_ip in neutron_port.get('fixed_ips', []):
subnet_id = neutron_fixed_ip['subnet_id']
ip_address = neutron_fixed_ip['ip_address']
if subnet_id not in subnets:
continue
try:
subnet = vif_subnets[subnet_id]
except KeyError:
subnet = _make_vif_subnet(subnets, subnet_id)
vif_subnets[subnet_id] = subnet
subnet.ips.objects.append(osv_fixed_ip.FixedIP(address=ip_address))
if not vif_subnets:
raise k_exc.IntegrityError(
_LE("No valid subnets found for port %(port_id)s") %
{'port_id': neutron_port.get('id')})
return list(vif_subnets.values())
def _make_vif_network(neutron_port, subnets):
"""Gets a os-vif Network object for port.
:param neutron_port: dict containing port information as returned by
neutron client's 'show_port'
:param subnets: subnet mapping as returned by PodSubnetsDriver.get_subnets
:return: os-vif Network object
"""
try:
network = next(net.obj_clone() for net in subnets.values()
if net.id == neutron_port.get('network_id'))
except StopIteration:
raise k_exc.IntegrityError(
_LE("Port %(port_id)s belongs to network %(network_id)s, "
"but requested networks are: %(requested_networks)s") % {
'port_id': neutron_port.get('id'),
'network_id': neutron_port.get('network_id'),
'requested_networks': [net.id for net in subnets.values()]
})
network.subnets = osv_subnet.SubnetList(
objects=_make_vif_subnets(neutron_port, subnets))
return network
def _remove_from_allowed_address_pairs(self, port, ip_addresses,
mac_address=None):
if not ip_addresses:
raise k_exc.IntegrityError(
"Cannot remove pair from the "
"allowed_address_pairs of port %s: missing IP address",
port['id'])
mac = mac_address if mac_address else port['mac_address']
address_pairs = port['allowed_address_pairs']
updated = False
for ip in ip_addresses:
try:
address_pairs.remove({'ip_address': ip, 'mac_address': mac})
updated = True
except ValueError:
LOG.error("No {'ip_address': %s, 'mac_address': %s} pair "
"found in the 'allowed_address_pair' list while "
"trying to remove it.", ip, mac)
if updated:
self._update_port_address_pairs(
port['id'],
address_pairs,
revision_number=port['revision_number'])
def _add_to_allowed_address_pairs(self, port, ip_addresses,
mac_address=None):
if not ip_addresses:
raise k_exc.IntegrityError(
"Cannot add pair from the "
"allowed_address_pairs of port %s: missing IP address",
port['id'])
mac = mac_address if mac_address else port['mac_address']
address_pairs = port['allowed_address_pairs']
# look for duplicates or near-matches
for pair in address_pairs:
if pair['ip_address'] in ip_addresses:
if pair['mac_address'] is mac:
raise k_exc.AllowedAddressAlreadyPresent(
"Pair %s already "
"present in the 'allowed_address_pair' list. This is "
"due to a misconfiguration or a bug", pair)
else:
LOG.warning(
"A pair with IP %s but different MAC address "
"is already present in the 'allowed_address_pair'. "
"This could indicate a misconfiguration or a "
"bug", pair['ip_address'])
for ip in ip_addresses:
address_pairs.append({'ip_address': ip, 'mac_address': mac})
self._update_port_address_pairs(
port['id'], address_pairs,
revision_number=port['revision_number'])
LOG.debug("Added allowed_address_pair %s %s" %
(str(ip_addresses,), mac_address))
def _make_vif_network(neutron_port, subnets):
"""Get an os-vif Network object for port.
:param neutron_port: dict containing port information as returned by
neutron client's 'show_port', or
openstack.network.v2.port.Port object
:param subnets: subnet mapping as returned by PodSubnetsDriver.get_subnets
:return: os-vif Network object
"""
# NOTE(gryf): Because we didn't convert macvlan driver, neutron_port can
# be either a dict or an object
try:
network_id = neutron_port.get('network_id')
port_id = neutron_port.get('id')
except TypeError:
network_id = neutron_port.network_id
port_id = neutron_port.id
try:
network = next(net.obj_clone() for net in subnets.values()
if net.id == network_id)
except StopIteration:
raise k_exc.IntegrityError(
_("Port %(port_id)s belongs to network %(network_id)s, "
"but requested networks are: %(requested_networks)s") % {
'port_id': port_id,
'network_id': network_id,
'requested_networks': [net.id for net in subnets.values()]
})
network.subnets = osv_subnet.SubnetList(
objects=_make_vif_subnets(neutron_port, subnets))
return network
def _get_vhostport_type(vif):
if vif.mode == osv_fields.VIFVHostUserMode.SERVER:
return 'dpdkvhostuserclient'
elif vif.mode == osv_fields.VIFVHostUserMode.CLIENT:
return 'dpdkvhostuser'
raise k_exc.IntegrityError(
_("Unknown vhostuser mode %(mode)s for vif %(vif_id)s")
% {'mode': vif.mode, 'vif_id': vif.id})
def _get_service_link(self, endpoints):
ep_link = endpoints['metadata']['selfLink']
link_parts = ep_link.split('/')
if link_parts[-2] != 'endpoints':
raise k_exc.IntegrityError(
_("Unsupported endpoints link: %(link)s") % {'link': ep_link})
link_parts[-2] = 'services'
return "/".join(link_parts)
def _get_network_id(self, subnets):
ids = ovu.osvif_to_neutron_network_ids(subnets)
if len(ids) != 1:
raise k_exc.IntegrityError("Subnet mapping %(subnets)s is not "
"valid: %(num_networks)s unique networks found" %
{'subnets': subnets, 'num_networks': len(ids)})
return ids[0]
def get_network_id(subnets):
ids = list(set(net.id for net in subnets.values()))
if len(ids) != 1:
raise k_exc.IntegrityError(
"Subnet mapping %(subnets)s is not valid: "
"%(num_networks)s unique networks found" %
{'subnets': subnets, 'num_networks': len(ids)})
return ids[0]
def get_endpoints_link(service):
svc_link = service['metadata']['selfLink']
link_parts = svc_link.split('/')
if link_parts[-2] != 'services':
raise exceptions.IntegrityError(
_("Unsupported service link: %(link)s") % {'link': svc_link})
link_parts[-2] = 'endpoints'
return "/".join(link_parts)
def get_service_link(endpoints):
endpoints_link = endpoints['metadata']['selfLink']
link_parts = endpoints_link.split('/')
if link_parts[-2] != 'endpoints':
raise exceptions.IntegrityError(
f"Unsupported endpoints link: {endpoints_link}")
link_parts[-2] = 'services'
return "/".join(link_parts)
def get_endpoints_link(service):
svc_link = get_res_link(service)
link_parts = svc_link.split('/')
if link_parts[-2] != 'services':
raise exceptions.IntegrityError(
f"Unsupported service link: {svc_link}")
link_parts[-2] = 'endpoints'
return "/".join(link_parts)
def _get_endpoints_link_by_route(self, route_link, ep_name):
route_link = route_link.replace(ocp_const.OCP_API_BASE,
k_const.K8S_API_BASE)
link_parts = route_link.split('/')
if link_parts[-2] != 'routes':
raise k_exc.IntegrityError(
_("Unsupported route link: %(link)s") % {'link': route_link})
link_parts[-2] = 'endpoints'
link_parts[-1] = ep_name
return "/".join(link_parts)
def _get_subnet_id(self, service, project_id, ip):
subnets_mapping = self._drv_subnets.get_subnets(service, project_id)
subnet_ids = {
subnet_id
for subnet_id, network in subnets_mapping.items()
for subnet in network.subnets.objects
if ip in subnet.cidr}
if len(subnet_ids) != 1:
raise k_exc.IntegrityError(_(
"Found %(num)s subnets for service %(link)s IP %(ip)s") % {
'link': service['metadata']['selfLink'],
'ip': ip,
'num': len(subnet_ids)})
return subnet_ids.pop()
def _make_vif_subnet(subnets, subnet_id):
"""Makes a copy of an os-vif Subnet from subnets mapping.
:param subnets: subnet mapping as returned by PodSubnetsDriver.get_subnets
:param subnet_id: ID of the subnet to extract from 'subnets' mapping
:return: a copy of an os-vif Subnet object matching 'subnet_id'
"""
network = subnets[subnet_id]
if len(network.subnets.objects) != 1:
raise k_exc.IntegrityError(_(
"Network object for subnet %(subnet_id)s is invalid, "
"must contain a single subnet, but %(num_subnets)s found") % {
'subnet_id': subnet_id,
'num_subnets': len(network.subnets.objects)})
subnet = network.subnets.objects[0].obj_clone()
subnet.ips = osv_fixed_ip.FixedIPList(objects=[])
return subnet
