| /* |
| * 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.base.Strings; |
| import com.google.common.collect.ImmutableSet; |
| import org.onlab.packet.MacAddress; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.event.ListenerRegistry; |
| import org.onosproject.kubevirtnetworking.api.KubevirtFloatingIp; |
| import org.onosproject.kubevirtnetworking.api.KubevirtPeerRouter; |
| import org.onosproject.kubevirtnetworking.api.KubevirtRouter; |
| import org.onosproject.kubevirtnetworking.api.KubevirtRouterAdminService; |
| import org.onosproject.kubevirtnetworking.api.KubevirtRouterEvent; |
| import org.onosproject.kubevirtnetworking.api.KubevirtRouterListener; |
| import org.onosproject.kubevirtnetworking.api.KubevirtRouterService; |
| import org.onosproject.kubevirtnetworking.api.KubevirtRouterStore; |
| import org.onosproject.kubevirtnetworking.api.KubevirtRouterStoreDelegate; |
| 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.Set; |
| import java.util.stream.Collectors; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.onosproject.kubevirtnetworking.api.Constants.KUBEVIRT_NETWORKING_APP_ID; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Provides implementation of administering and interfacing kubevirt router. |
| */ |
| @Component( |
| immediate = true, |
| service = {KubevirtRouterAdminService.class, KubevirtRouterService.class } |
| ) |
| public class KubevirtRouterManager |
| extends ListenerRegistry<KubevirtRouterEvent, KubevirtRouterListener> |
| implements KubevirtRouterAdminService, KubevirtRouterService { |
| |
| protected final Logger log = getLogger(getClass()); |
| |
| private static final String MSG_ROUTER = "Kubevirt router %s %s"; |
| private static final String MSG_FLOATING_IP = "Kubevirt floating IP %s %s"; |
| private static final String MSG_CREATED = "created"; |
| private static final String MSG_UPDATED = "updated"; |
| private static final String MSG_REMOVED = "removed"; |
| |
| private static final String ERR_NULL_ROUTER = "Kubevirt router cannot be null"; |
| private static final String ERR_NULL_ROUTER_NAME = "Kubevirt router name cannot be null"; |
| private static final String ERR_NULL_FLOATING_IP = "Kubevirt floating IP cannot be null"; |
| private static final String ERR_NULL_FLOATING_IP_ID = "Kubevirt floating IP ID cannot be null"; |
| private static final String ERR_NULL_POD_NAME = "Kubevirt POD name cannot be null"; |
| private static final String ERR_IN_USE = " still in use"; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected KubevirtRouterStore kubevirtRouterStore; |
| |
| private final InternalRouterStorageDelegate delegate = new InternalRouterStorageDelegate(); |
| |
| private ApplicationId appId; |
| |
| @Activate |
| protected void activate() { |
| appId = coreService.registerApplication(KUBEVIRT_NETWORKING_APP_ID); |
| |
| kubevirtRouterStore.setDelegate(delegate); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| kubevirtRouterStore.unsetDelegate(delegate); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public void createRouter(KubevirtRouter router) { |
| checkNotNull(router, ERR_NULL_ROUTER); |
| checkArgument(!Strings.isNullOrEmpty(router.name()), ERR_NULL_ROUTER_NAME); |
| |
| kubevirtRouterStore.createRouter(router); |
| log.info(String.format(MSG_ROUTER, router.name(), MSG_CREATED)); |
| } |
| |
| @Override |
| public void updateRouter(KubevirtRouter router) { |
| checkNotNull(router, ERR_NULL_ROUTER); |
| checkArgument(!Strings.isNullOrEmpty(router.name()), ERR_NULL_ROUTER_NAME); |
| |
| kubevirtRouterStore.updateRouter(router); |
| log.info(String.format(MSG_ROUTER, router.name(), MSG_UPDATED)); |
| } |
| |
| @Override |
| public void removeRouter(String name) { |
| checkArgument(name != null, ERR_NULL_ROUTER_NAME); |
| synchronized (this) { |
| if (isRouterInUse(name)) { |
| final String error = String.format(MSG_ROUTER, name, ERR_IN_USE); |
| throw new IllegalStateException(error); |
| } |
| |
| KubevirtRouter router = kubevirtRouterStore.removeRouter(name); |
| if (router != null) { |
| log.info(String.format(MSG_ROUTER, router.name(), MSG_REMOVED)); |
| } |
| } |
| } |
| |
| @Override |
| public void updatePeerRouterMac(String name, MacAddress mac) { |
| KubevirtRouter router = kubevirtRouterStore.router(name); |
| if (router == null) { |
| log.warn("The router is not found with the given name {}", name); |
| return; |
| } |
| |
| KubevirtPeerRouter existing = router.peerRouter(); |
| if (existing == null) { |
| log.warn("The peer router is not found with the given name {}", name); |
| return; |
| } |
| |
| KubevirtPeerRouter updated = new KubevirtPeerRouter(existing.ipAddress(), mac); |
| kubevirtRouterStore.updateRouter(router.updatePeerRouter(updated)); |
| } |
| |
| @Override |
| public void createFloatingIp(KubevirtFloatingIp floatingIp) { |
| checkNotNull(floatingIp, ERR_NULL_FLOATING_IP); |
| checkArgument(!Strings.isNullOrEmpty(floatingIp.id()), ERR_NULL_FLOATING_IP_ID); |
| |
| kubevirtRouterStore.createFloatingIp(floatingIp); |
| |
| log.info(String.format(MSG_FLOATING_IP, floatingIp.floatingIp(), MSG_CREATED)); |
| } |
| |
| @Override |
| public void updateFloatingIp(KubevirtFloatingIp floatingIp) { |
| checkNotNull(floatingIp, ERR_NULL_FLOATING_IP); |
| checkArgument(!Strings.isNullOrEmpty(floatingIp.id()), ERR_NULL_FLOATING_IP_ID); |
| |
| kubevirtRouterStore.updateFloatingIp(floatingIp); |
| |
| log.info(String.format(MSG_FLOATING_IP, floatingIp.floatingIp(), MSG_UPDATED)); |
| } |
| |
| @Override |
| public void removeFloatingIp(String id) { |
| checkArgument(!Strings.isNullOrEmpty(id), ERR_NULL_FLOATING_IP_ID); |
| |
| synchronized (this) { |
| KubevirtFloatingIp floatingIp = kubevirtRouterStore.removeFloatingIp(id); |
| |
| if (floatingIp != null) { |
| log.info(String.format(MSG_FLOATING_IP, floatingIp.floatingIp(), MSG_REMOVED)); |
| } |
| } |
| } |
| |
| @Override |
| public void clear() { |
| kubevirtRouterStore.clear(); |
| } |
| |
| @Override |
| public KubevirtRouter router(String name) { |
| checkArgument(name != null, ERR_NULL_ROUTER_NAME); |
| return kubevirtRouterStore.router(name); |
| } |
| |
| @Override |
| public Set<KubevirtRouter> routers() { |
| return ImmutableSet.copyOf(kubevirtRouterStore.routers()); |
| } |
| |
| @Override |
| public KubevirtFloatingIp floatingIp(String id) { |
| checkArgument(!Strings.isNullOrEmpty(id), ERR_NULL_FLOATING_IP_ID); |
| return kubevirtRouterStore.floatingIp(id); |
| } |
| |
| @Override |
| public KubevirtFloatingIp floatingIpByPodName(String podName) { |
| checkArgument(!Strings.isNullOrEmpty(podName), ERR_NULL_POD_NAME); |
| return kubevirtRouterStore.floatingIps().stream() |
| .filter(ips -> podName.equals(ips.podName())) |
| .findAny().orElse(null); |
| } |
| |
| @Override |
| public Set<KubevirtFloatingIp> floatingIpsByRouter(String routerName) { |
| checkArgument(!Strings.isNullOrEmpty(routerName), ERR_NULL_ROUTER_NAME); |
| return kubevirtRouterStore.floatingIps().stream() |
| .filter(ips -> routerName.equals(ips.routerName())) |
| .collect(Collectors.toSet()); |
| } |
| |
| @Override |
| public Set<KubevirtFloatingIp> floatingIps() { |
| return ImmutableSet.copyOf(kubevirtRouterStore.floatingIps()); |
| } |
| |
| private boolean isRouterInUse(String name) { |
| return floatingIpsByRouter(name).size() > 0; |
| } |
| |
| private class InternalRouterStorageDelegate implements KubevirtRouterStoreDelegate { |
| |
| @Override |
| public void notify(KubevirtRouterEvent event) { |
| log.trace("send kubevirt router event {}", event); |
| process(event); |
| } |
| } |
| } |