Kubernetes integration with OpenStack networking
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# Copyright (C) 2020 Intel Corporation
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from openstack import exceptions as o_exc
from oslo_log import log as logging
from kuryr_kubernetes import clients
from kuryr_kubernetes.controller.drivers import nested_vif
from kuryr_kubernetes.controller.drivers import utils
from kuryr_kubernetes import os_vif_util as ovu
LOG = logging.getLogger(__name__)
class NestedDpdkPodVIFDriver(nested_vif.NestedPodVIFDriver):
"""Manages ports for DPDK based nested-containers to provide VIFs."""
# TODO(garyloug): maybe log a warning if the vswitch is not ovs-dpdk?
def request_vif(self, pod, project_id, subnets, security_groups):
os_net = clients.get_network_client()
compute = clients.get_compute_client()
vm_id = self._get_parent_port(pod).device_id
net_id = utils.get_network_id(subnets)
try:
result = compute.create_server_interface(vm_id, net_id=net_id)
except o_exc.SDKException:
LOG.warning("Unable to create interface for server %s.",
vm_id)
raise
port = os_net.get_port(result.port_id)
return ovu.neutron_to_osvif_vif_dpdk(port, subnets, pod)
def request_vifs(self, pod, project_id, subnets, security_groups,
num_ports):
# TODO(garyloug): provide an implementation
raise NotImplementedError()
def release_vif(self, pod, vif, project_id=None, security_groups=None):
compute = clients.get_compute_client()
vm_id = self._get_parent_port(pod).device_id
LOG.debug("release_vif for vm_id %s %s", vm_id, vif.id)
try:
compute.delete_server_interface(vif.id, server=vm_id)
except o_exc.SDKException:
LOG.warning("Unable to delete interface %s for server %s.",
vif.id, vm_id)
raise
def activate_vif(self, vif, **kwargs):
# NOTE(danil): new virtual interface was created in nova instance
# during request_vif call, thus if it was not created successfully
# an exception o_exc.SDKException would be throwed. During binding
# process only rebinding of interface on userspace driver was done.
# There is no any chance to check the state of rebinded interface.
# Thus just set 'active' immediately to let the CNI driver make
# progress.
vif.active = True