
Currently we use ovs-vsctl command execution to bind pod infra container to the ovs bridge. As a follow-up work, it should be changed to use ovs-lib (as in [1]). [1] https://github.com/openstack/neutron/blob/master/neutron/agent/common/ovs_lib.py Change-Id: Ic50797c96f477ee6e71712ee2ab6b09dd721f558 Partially-Implements: blueprint kuryr-k8s-integration
76 lines
2.6 KiB
Python
76 lines
2.6 KiB
Python
# Copyright (c) 2016 Mirantis, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os
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from kuryr_kubernetes.cni.binding import base as b_base
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from kuryr_kubernetes import linux_net_utils as net_utils
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class BaseBridgeDriver(object):
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def connect(self, vif, ifname, netns):
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host_ifname = vif.vif_name
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c_ipdb = b_base.get_ipdb(netns)
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h_ipdb = b_base.get_ipdb()
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with c_ipdb.create(ifname=ifname, peer=host_ifname,
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kind='veth') as c_iface:
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c_iface.mtu = vif.network.mtu
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c_iface.address = str(vif.address)
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c_iface.up()
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if netns:
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with c_ipdb.interfaces[host_ifname] as h_iface:
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h_iface.net_ns_pid = os.getpid()
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with h_ipdb.interfaces[host_ifname] as h_iface:
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h_iface.mtu = vif.network.mtu
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h_iface.up()
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def disconnect(self, vif, ifname, netns):
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pass
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class BridgeDriver(BaseBridgeDriver):
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def connect(self, vif, ifname, netns):
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super(BridgeDriver, self).connect(vif, ifname, netns)
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host_ifname = vif.vif_name
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bridge_name = vif.bridge_name
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h_ipdb = b_base.get_ipdb()
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with h_ipdb.interfaces[bridge_name] as h_br:
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h_br.add_port(host_ifname)
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def disconnect(self, vif, ifname, netns):
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# NOTE(ivc): veth pair is destroyed automatically along with the
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# container namespace
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pass
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class VIFOpenVSwitchDriver(BaseBridgeDriver):
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def connect(self, vif, ifname, netns):
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super(VIFOpenVSwitchDriver, self).connect(vif, ifname, netns)
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#FIXME(irenab) use pod_id (neutron port device_id)
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instance_id = 'kuryr'
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net_utils.create_ovs_vif_port(vif.bridge_name, vif.vif_name,
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vif.port_profile.interface_id,
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vif.address, instance_id)
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def disconnect(self, vif, ifname, netns):
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super(VIFOpenVSwitchDriver, self).disconnect(vif, ifname, netns)
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net_utils.delete_ovs_vif_port(vif.bridge_name, vif.vif_name)
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