| /* |
| * Copyright 2016-present Open Networking Foundation |
| * |
| * 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. |
| */ |
| package org.onosproject.openstacknetworking.impl; |
| |
| import com.google.common.base.Strings; |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.apache.felix.scr.annotations.Service; |
| import org.onlab.packet.IpAddress; |
| import org.onlab.packet.MacAddress; |
| import org.onlab.packet.VlanId; |
| import org.onlab.util.Tools; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.mastership.MastershipService; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.DefaultAnnotations; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.Host; |
| import org.onosproject.net.HostId; |
| import org.onosproject.net.HostLocation; |
| import org.onosproject.net.Port; |
| import org.onosproject.net.device.DeviceEvent; |
| import org.onosproject.net.device.DeviceListener; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.host.DefaultHostDescription; |
| import org.onosproject.net.host.HostDescription; |
| import org.onosproject.net.host.HostProvider; |
| import org.onosproject.net.host.HostProviderRegistry; |
| import org.onosproject.net.host.HostProviderService; |
| import org.onosproject.net.host.HostService; |
| import org.onosproject.net.provider.AbstractProvider; |
| import org.onosproject.net.provider.ProviderId; |
| import org.onosproject.openstacknetworking.api.OpenstackNetworkService; |
| import org.onosproject.openstacknode.api.OpenstackNode; |
| import org.onosproject.openstacknode.api.OpenstackNodeEvent; |
| import org.onosproject.openstacknode.api.OpenstackNodeListener; |
| import org.onosproject.openstacknode.api.OpenstackNodeService; |
| import org.openstack4j.model.network.Network; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Set; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.stream.Collectors; |
| |
| import static org.onlab.util.Tools.groupedThreads; |
| import static org.onosproject.net.AnnotationKeys.PORT_NAME; |
| import static org.onosproject.openstacknetworking.api.Constants.*; |
| import static org.onosproject.openstacknetworking.impl.HostBasedInstancePort.ANNOTATION_CREATE_TIME; |
| import static org.onosproject.openstacknetworking.impl.HostBasedInstancePort.ANNOTATION_NETWORK_ID; |
| import static org.onosproject.openstacknetworking.impl.HostBasedInstancePort.ANNOTATION_PORT_ID; |
| |
| @Service |
| @Component(immediate = true) |
| public final class OpenstackSwitchingHostProvider extends AbstractProvider implements HostProvider { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| private static final String PORT_NAME_PREFIX_VM = "tap"; |
| private static final String ERR_ADD_HOST = "Failed to add host: "; |
| private static final String ANNOTATION_SEGMENT_ID = "segId"; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| DeviceService deviceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| HostProviderRegistry hostProviderRegistry; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| HostService hostService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| MastershipService mastershipService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| OpenstackNetworkService osNetworkService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| OpenstackNodeService osNodeService; |
| |
| private final ExecutorService deviceEventExecutor = |
| Executors.newSingleThreadExecutor(groupedThreads("openstacknetworking", "device-event")); |
| private final ExecutorService configEventExecutor = |
| Executors.newSingleThreadExecutor(groupedThreads("openstacknetworking", "config-event")); |
| private final InternalDeviceListener internalDeviceListener = new InternalDeviceListener(); |
| private final InternalOpenstackNodeListener internalNodeListener = new InternalOpenstackNodeListener(); |
| |
| private HostProviderService hostProvider; |
| |
| /** |
| * Creates OpenStack switching host provider. |
| */ |
| public OpenstackSwitchingHostProvider() { |
| super(new ProviderId("sona", OPENSTACK_NETWORKING_APP_ID)); |
| } |
| |
| @Activate |
| void activate() { |
| coreService.registerApplication(OPENSTACK_NETWORKING_APP_ID); |
| deviceService.addListener(internalDeviceListener); |
| osNodeService.addListener(internalNodeListener); |
| hostProvider = hostProviderRegistry.register(this); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| void deactivate() { |
| hostProviderRegistry.unregister(this); |
| osNodeService.removeListener(internalNodeListener); |
| deviceService.removeListener(internalDeviceListener); |
| |
| deviceEventExecutor.shutdown(); |
| configEventExecutor.shutdown(); |
| |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public void triggerProbe(Host host) { |
| // no probe is required |
| } |
| |
| private void processPortAdded(Port port) { |
| // TODO check the node state is COMPLETE |
| org.openstack4j.model.network.Port osPort = osNetworkService.port(port); |
| if (osPort == null) { |
| log.warn(ERR_ADD_HOST + "OpenStack port for {} not found", port); |
| return; |
| } |
| |
| Network osNet = osNetworkService.network(osPort.getNetworkId()); |
| if (osNet == null) { |
| log.warn(ERR_ADD_HOST + "OpenStack network {} not found", |
| osPort.getNetworkId()); |
| return; |
| } |
| |
| if (osPort.getFixedIps().isEmpty()) { |
| log.warn(ERR_ADD_HOST + "no fixed IP for port {}", osPort.getId()); |
| return; |
| } |
| |
| MacAddress macAddr = MacAddress.valueOf(osPort.getMacAddress()); |
| Set<IpAddress> fixedIps = osPort.getFixedIps().stream() |
| .map(ip -> IpAddress.valueOf(ip.getIpAddress())) |
| .collect(Collectors.toSet()); |
| ConnectPoint connectPoint = new ConnectPoint(port.element().id(), port.number()); |
| |
| DefaultAnnotations.Builder annotations = DefaultAnnotations.builder() |
| .set(ANNOTATION_NETWORK_ID, osPort.getNetworkId()) |
| .set(ANNOTATION_PORT_ID, osPort.getId()) |
| .set(ANNOTATION_CREATE_TIME, String.valueOf(System.currentTimeMillis())) |
| .set(ANNOTATION_SEGMENT_ID, osNet.getProviderSegID()); |
| |
| HostDescription hostDesc = new DefaultHostDescription( |
| macAddr, |
| VlanId.NONE, |
| new HostLocation(connectPoint, System.currentTimeMillis()), |
| fixedIps, |
| annotations.build()); |
| |
| HostId hostId = HostId.hostId(macAddr); |
| hostProvider.hostDetected(hostId, hostDesc, false); |
| } |
| |
| private void processPortRemoved(Port port) { |
| ConnectPoint connectPoint = new ConnectPoint(port.element().id(), port.number()); |
| hostService.getConnectedHosts(connectPoint).forEach(host -> { |
| hostProvider.hostVanished(host.id()); |
| }); |
| } |
| |
| private class InternalDeviceListener implements DeviceListener { |
| |
| @Override |
| public boolean isRelevant(DeviceEvent event) { |
| Device device = event.subject(); |
| if (!mastershipService.isLocalMaster(device.id())) { |
| // do not allow to proceed without mastership |
| return false; |
| } |
| Port port = event.port(); |
| if (port == null) { |
| return false; |
| } |
| String portName = port.annotations().value(PORT_NAME); |
| if (Strings.isNullOrEmpty(portName) || |
| !portName.startsWith(PORT_NAME_PREFIX_VM)) { |
| // handles Nova created port event only |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public void event(DeviceEvent event) { |
| switch (event.type()) { |
| case PORT_UPDATED: |
| if (!event.port().isEnabled()) { |
| deviceEventExecutor.execute(() -> { |
| log.debug("Instance port {} is removed from {}", |
| event.port().annotations().value(PORT_NAME), |
| event.subject().id()); |
| processPortRemoved(event.port()); |
| }); |
| } else if (event.port().isEnabled()) { |
| deviceEventExecutor.execute(() -> { |
| log.debug("Instance Port {} is detected from {}", |
| event.port().annotations().value(PORT_NAME), |
| event.subject().id()); |
| processPortAdded(event.port()); |
| }); |
| } |
| break; |
| case PORT_ADDED: |
| deviceEventExecutor.execute(() -> { |
| log.debug("Instance port {} is detected from {}", |
| event.port().annotations().value(PORT_NAME), |
| event.subject().id()); |
| processPortAdded(event.port()); |
| }); |
| break; |
| case PORT_REMOVED: |
| deviceEventExecutor.execute(() -> { |
| log.debug("Instance port {} is removed from {}", |
| event.port().annotations().value(PORT_NAME), |
| event.subject().id()); |
| processPortRemoved(event.port()); |
| }); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| private class InternalOpenstackNodeListener implements OpenstackNodeListener { |
| |
| @Override |
| public void event(OpenstackNodeEvent event) { |
| OpenstackNode osNode = event.subject(); |
| // TODO check leadership of the node and make only the leader process |
| |
| switch (event.type()) { |
| case OPENSTACK_NODE_COMPLETE: |
| deviceEventExecutor.execute(() -> { |
| log.info("COMPLETE node {} is detected", osNode.hostname()); |
| processCompleteNode(event.subject()); |
| }); |
| break; |
| case OPENSTACK_NODE_INCOMPLETE: |
| log.warn("{} is changed to INCOMPLETE state", osNode); |
| break; |
| case OPENSTACK_NODE_CREATED: |
| case OPENSTACK_NODE_UPDATED: |
| case OPENSTACK_NODE_REMOVED: |
| default: |
| break; |
| } |
| } |
| |
| private void processCompleteNode(OpenstackNode osNode) { |
| deviceService.getPorts(osNode.intgBridge()).stream() |
| .filter(port -> port.annotations().value(PORT_NAME) |
| .startsWith(PORT_NAME_PREFIX_VM) && |
| port.isEnabled()) |
| .forEach(port -> { |
| log.debug("Instance port {} is detected from {}", |
| port.annotations().value(PORT_NAME), |
| osNode.hostname()); |
| processPortAdded(port); |
| }); |
| |
| Tools.stream(hostService.getHosts()) |
| .filter(host -> deviceService.getPort( |
| host.location().deviceId(), |
| host.location().port()) == null) |
| .forEach(host -> { |
| log.info("Remove stale host {}", host.id()); |
| hostProvider.hostVanished(host.id()); |
| }); |
| } |
| } |
| } |