| /* |
| * Copyright 2021-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.kubevirtnetworking.impl; |
| |
| import com.google.common.collect.ImmutableSet; |
| import org.onlab.packet.MacAddress; |
| import org.onlab.util.KryoNamespace; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.kubevirtnetworking.api.DefaultKubevirtPort; |
| import org.onosproject.kubevirtnetworking.api.KubevirtPort; |
| import org.onosproject.kubevirtnetworking.api.KubevirtPortEvent; |
| import org.onosproject.kubevirtnetworking.api.KubevirtPortStore; |
| import org.onosproject.kubevirtnetworking.api.KubevirtPortStoreDelegate; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.store.AbstractStore; |
| import org.onosproject.store.serializers.KryoNamespaces; |
| import org.onosproject.store.service.ConsistentMap; |
| import org.onosproject.store.service.MapEvent; |
| import org.onosproject.store.service.MapEventListener; |
| import org.onosproject.store.service.Serializer; |
| import org.onosproject.store.service.StorageService; |
| import org.onosproject.store.service.Versioned; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Deactivate; |
| import org.osgi.service.component.annotations.Reference; |
| import org.osgi.service.component.annotations.ReferenceCardinality; |
| import org.slf4j.Logger; |
| |
| import java.util.Collection; |
| import java.util.Objects; |
| import java.util.Set; |
| import java.util.concurrent.ExecutorService; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| import static org.onlab.util.Tools.groupedThreads; |
| import static org.onosproject.kubevirtnetworking.api.KubevirtPortEvent.Type.KUBEVIRT_PORT_CREATED; |
| import static org.onosproject.kubevirtnetworking.api.KubevirtPortEvent.Type.KUBEVIRT_PORT_DEVICE_ADDED; |
| import static org.onosproject.kubevirtnetworking.api.KubevirtPortEvent.Type.KUBEVIRT_PORT_MIGRATED; |
| import static org.onosproject.kubevirtnetworking.api.KubevirtPortEvent.Type.KUBEVIRT_PORT_REMOVED; |
| import static org.onosproject.kubevirtnetworking.api.KubevirtPortEvent.Type.KUBEVIRT_PORT_SECURITY_GROUP_ADDED; |
| import static org.onosproject.kubevirtnetworking.api.KubevirtPortEvent.Type.KUBEVIRT_PORT_SECURITY_GROUP_REMOVED; |
| import static org.onosproject.kubevirtnetworking.api.KubevirtPortEvent.Type.KUBEVIRT_PORT_UPDATED; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Implementation of kubevirt pod store using consistent map. |
| */ |
| @Component(immediate = true, service = KubevirtPortStore.class) |
| public class DistributedKubevirtPortStore |
| extends AbstractStore<KubevirtPortEvent, KubevirtPortStoreDelegate> |
| implements KubevirtPortStore { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| private static final String ERR_NOT_FOUND = " does not exist"; |
| private static final String ERR_DUPLICATE = " already exists"; |
| private static final String APP_ID = "org.onosproject.kubevirtnetwork"; |
| |
| private static final KryoNamespace |
| SERIALIZER_KUBEVIRT_PORT = KryoNamespace.newBuilder() |
| .register(KryoNamespaces.API) |
| .register(KubevirtPort.class) |
| .register(DefaultKubevirtPort.class) |
| .register(Collection.class) |
| .build(); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected StorageService storageService; |
| |
| private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
| |
| private final MapEventListener<String, KubevirtPort> portMapListener = |
| new KubevirtPortMapListener(); |
| |
| private ConsistentMap<String, KubevirtPort> portStore; |
| |
| @Activate |
| protected void activate() { |
| ApplicationId appId = coreService.registerApplication(APP_ID); |
| portStore = storageService.<String, KubevirtPort>consistentMapBuilder() |
| .withSerializer(Serializer.using(SERIALIZER_KUBEVIRT_PORT)) |
| .withName("kubevirt-portstore") |
| .withApplicationId(appId) |
| .build(); |
| portStore.addListener(portMapListener); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| portStore.removeListener(portMapListener); |
| eventExecutor.shutdown(); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public void createPort(KubevirtPort port) { |
| portStore.compute(port.macAddress().toString(), (mac, existing) -> { |
| final String error = port.macAddress().toString() + ERR_DUPLICATE; |
| checkArgument(existing == null, error); |
| return port; |
| }); |
| } |
| |
| @Override |
| public void updatePort(KubevirtPort port) { |
| portStore.compute(port.macAddress().toString(), (mac, existing) -> { |
| final String error = port.macAddress().toString() + ERR_NOT_FOUND; |
| checkArgument(existing != null, error); |
| return port; |
| }); |
| } |
| |
| @Override |
| public KubevirtPort removePort(MacAddress mac) { |
| Versioned<KubevirtPort> port = portStore.remove(mac.toString()); |
| if (port == null) { |
| final String error = mac.toString() + ERR_NOT_FOUND; |
| throw new IllegalArgumentException(error); |
| } |
| return port.value(); |
| } |
| |
| @Override |
| public KubevirtPort port(MacAddress mac) { |
| return portStore.asJavaMap().get(mac.toString()); |
| } |
| |
| @Override |
| public Set<KubevirtPort> ports() { |
| return ImmutableSet.copyOf(portStore.asJavaMap().values()); |
| } |
| |
| @Override |
| public void clear() { |
| portStore.clear(); |
| } |
| |
| private class KubevirtPortMapListener implements MapEventListener<String, KubevirtPort> { |
| |
| @Override |
| public void event(MapEvent<String, KubevirtPort> event) { |
| switch (event.type()) { |
| case INSERT: |
| log.debug("Kubevirt port created"); |
| eventExecutor.execute(() -> |
| notifyDelegate(new KubevirtPortEvent( |
| KUBEVIRT_PORT_CREATED, event.newValue().value()))); |
| break; |
| case UPDATE: |
| log.debug("Kubevirt port updated"); |
| eventExecutor.execute(() -> |
| notifyDelegate(new KubevirtPortEvent( |
| KUBEVIRT_PORT_UPDATED, event.newValue().value()))); |
| processSecurityGroupEvent(event.oldValue().value(), event.newValue().value()); |
| processDeviceEvent(event.oldValue().value(), event.newValue().value()); |
| break; |
| case REMOVE: |
| log.debug("Kubevirt port removed"); |
| // if the event object has invalid port value, we do not |
| // propagate KUBEVIRT_PORT_REMOVED event. |
| if (event.oldValue() != null && event.oldValue().value() != null) { |
| eventExecutor.execute(() -> |
| notifyDelegate(new KubevirtPortEvent( |
| KUBEVIRT_PORT_REMOVED, event.oldValue().value()))); |
| } |
| break; |
| default: |
| // do nothing |
| break; |
| } |
| } |
| |
| private void processSecurityGroupEvent(KubevirtPort oldPort, KubevirtPort newPort) { |
| Set<String> oldSecurityGroups = oldPort.securityGroups() == null ? |
| ImmutableSet.of() : oldPort.securityGroups(); |
| Set<String> newSecurityGroups = newPort.securityGroups() == null ? |
| ImmutableSet.of() : newPort.securityGroups(); |
| |
| oldSecurityGroups.stream() |
| .filter(sgId -> !Objects.requireNonNull( |
| newPort.securityGroups()).contains(sgId)) |
| .forEach(sgId -> notifyDelegate(new KubevirtPortEvent( |
| KUBEVIRT_PORT_SECURITY_GROUP_REMOVED, newPort, sgId |
| ))); |
| |
| newSecurityGroups.stream() |
| .filter(sgId -> !oldPort.securityGroups().contains(sgId)) |
| .forEach(sgId -> notifyDelegate(new KubevirtPortEvent( |
| KUBEVIRT_PORT_SECURITY_GROUP_ADDED, newPort, sgId |
| ))); |
| } |
| |
| private void processDeviceEvent(KubevirtPort oldPort, KubevirtPort newPort) { |
| DeviceId oldDeviceId = oldPort.deviceId(); |
| DeviceId newDeviceId = newPort.deviceId(); |
| |
| if (oldDeviceId == null && newDeviceId != null) { |
| notifyDelegate(new KubevirtPortEvent( |
| KUBEVIRT_PORT_DEVICE_ADDED, newPort, newDeviceId |
| )); |
| } |
| |
| if (oldDeviceId != null && newDeviceId != null && !oldDeviceId.equals(newDeviceId)) { |
| notifyDelegate(new KubevirtPortEvent( |
| KUBEVIRT_PORT_MIGRATED, newPort, oldPort, newDeviceId |
| )); |
| } |
| } |
| } |
| } |