Jian Li | 810f58c | 2021-02-27 01:10:50 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2021-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.kubevirtnetworking.impl; |
| 17 | |
| 18 | import com.google.common.base.Strings; |
| 19 | import com.google.common.collect.ImmutableSet; |
| 20 | import org.onlab.packet.MacAddress; |
| 21 | import org.onosproject.core.ApplicationId; |
| 22 | import org.onosproject.core.CoreService; |
| 23 | import org.onosproject.event.ListenerRegistry; |
Jian Li | 073f1ba | 2021-02-28 03:50:15 +0900 | [diff] [blame] | 24 | import org.onosproject.kubevirtnetworking.api.KubevirtFloatingIp; |
Jian Li | 810f58c | 2021-02-27 01:10:50 +0900 | [diff] [blame] | 25 | import org.onosproject.kubevirtnetworking.api.KubevirtPeerRouter; |
| 26 | import org.onosproject.kubevirtnetworking.api.KubevirtRouter; |
| 27 | import org.onosproject.kubevirtnetworking.api.KubevirtRouterAdminService; |
| 28 | import org.onosproject.kubevirtnetworking.api.KubevirtRouterEvent; |
| 29 | import org.onosproject.kubevirtnetworking.api.KubevirtRouterListener; |
| 30 | import org.onosproject.kubevirtnetworking.api.KubevirtRouterService; |
| 31 | import org.onosproject.kubevirtnetworking.api.KubevirtRouterStore; |
| 32 | import org.onosproject.kubevirtnetworking.api.KubevirtRouterStoreDelegate; |
| 33 | import org.osgi.service.component.annotations.Activate; |
| 34 | import org.osgi.service.component.annotations.Component; |
| 35 | import org.osgi.service.component.annotations.Deactivate; |
| 36 | import org.osgi.service.component.annotations.Reference; |
| 37 | import org.osgi.service.component.annotations.ReferenceCardinality; |
| 38 | import org.slf4j.Logger; |
| 39 | |
| 40 | import java.util.Set; |
Jian Li | 073f1ba | 2021-02-28 03:50:15 +0900 | [diff] [blame] | 41 | import java.util.stream.Collectors; |
Jian Li | 810f58c | 2021-02-27 01:10:50 +0900 | [diff] [blame] | 42 | |
| 43 | import static com.google.common.base.Preconditions.checkArgument; |
| 44 | import static com.google.common.base.Preconditions.checkNotNull; |
| 45 | import static org.onosproject.kubevirtnetworking.api.Constants.KUBEVIRT_NETWORKING_APP_ID; |
| 46 | import static org.slf4j.LoggerFactory.getLogger; |
| 47 | |
| 48 | /** |
| 49 | * Provides implementation of administering and interfacing kubevirt router. |
| 50 | */ |
| 51 | @Component( |
| 52 | immediate = true, |
| 53 | service = {KubevirtRouterAdminService.class, KubevirtRouterService.class } |
| 54 | ) |
| 55 | public class KubevirtRouterManager |
| 56 | extends ListenerRegistry<KubevirtRouterEvent, KubevirtRouterListener> |
| 57 | implements KubevirtRouterAdminService, KubevirtRouterService { |
| 58 | |
| 59 | protected final Logger log = getLogger(getClass()); |
| 60 | |
| 61 | private static final String MSG_ROUTER = "Kubevirt router %s %s"; |
Jian Li | 073f1ba | 2021-02-28 03:50:15 +0900 | [diff] [blame] | 62 | private static final String MSG_FLOATING_IP = "Kubevirt floating IP %s %s"; |
Jian Li | 810f58c | 2021-02-27 01:10:50 +0900 | [diff] [blame] | 63 | private static final String MSG_CREATED = "created"; |
| 64 | private static final String MSG_UPDATED = "updated"; |
| 65 | private static final String MSG_REMOVED = "removed"; |
| 66 | |
| 67 | private static final String ERR_NULL_ROUTER = "Kubevirt router cannot be null"; |
| 68 | private static final String ERR_NULL_ROUTER_NAME = "Kubevirt router name cannot be null"; |
Jian Li | 073f1ba | 2021-02-28 03:50:15 +0900 | [diff] [blame] | 69 | private static final String ERR_NULL_FLOATING_IP = "Kubevirt floating IP cannot be null"; |
| 70 | private static final String ERR_NULL_FLOATING_IP_ID = "Kubevirt floating IP ID cannot be null"; |
| 71 | private static final String ERR_NULL_POD_NAME = "Kubevirt POD name cannot be null"; |
Jian Li | 810f58c | 2021-02-27 01:10:50 +0900 | [diff] [blame] | 72 | private static final String ERR_IN_USE = " still in use"; |
| 73 | |
| 74 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 75 | protected CoreService coreService; |
| 76 | |
| 77 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 78 | protected KubevirtRouterStore kubevirtRouterStore; |
| 79 | |
| 80 | private final InternalRouterStorageDelegate delegate = new InternalRouterStorageDelegate(); |
| 81 | |
| 82 | private ApplicationId appId; |
| 83 | |
| 84 | @Activate |
| 85 | protected void activate() { |
| 86 | appId = coreService.registerApplication(KUBEVIRT_NETWORKING_APP_ID); |
| 87 | |
| 88 | kubevirtRouterStore.setDelegate(delegate); |
| 89 | log.info("Started"); |
| 90 | } |
| 91 | |
| 92 | @Deactivate |
| 93 | protected void deactivate() { |
| 94 | kubevirtRouterStore.unsetDelegate(delegate); |
| 95 | log.info("Stopped"); |
| 96 | } |
| 97 | |
| 98 | @Override |
| 99 | public void createRouter(KubevirtRouter router) { |
| 100 | checkNotNull(router, ERR_NULL_ROUTER); |
| 101 | checkArgument(!Strings.isNullOrEmpty(router.name()), ERR_NULL_ROUTER_NAME); |
| 102 | |
| 103 | kubevirtRouterStore.createRouter(router); |
| 104 | log.info(String.format(MSG_ROUTER, router.name(), MSG_CREATED)); |
| 105 | } |
| 106 | |
| 107 | @Override |
| 108 | public void updateRouter(KubevirtRouter router) { |
| 109 | checkNotNull(router, ERR_NULL_ROUTER); |
| 110 | checkArgument(!Strings.isNullOrEmpty(router.name()), ERR_NULL_ROUTER_NAME); |
| 111 | |
| 112 | kubevirtRouterStore.updateRouter(router); |
| 113 | log.info(String.format(MSG_ROUTER, router.name(), MSG_UPDATED)); |
| 114 | } |
| 115 | |
| 116 | @Override |
| 117 | public void removeRouter(String name) { |
| 118 | checkArgument(name != null, ERR_NULL_ROUTER_NAME); |
| 119 | synchronized (this) { |
| 120 | if (isRouterInUse(name)) { |
| 121 | final String error = String.format(MSG_ROUTER, name, ERR_IN_USE); |
| 122 | throw new IllegalStateException(error); |
| 123 | } |
| 124 | |
| 125 | KubevirtRouter router = kubevirtRouterStore.removeRouter(name); |
| 126 | if (router != null) { |
| 127 | log.info(String.format(MSG_ROUTER, router.name(), MSG_REMOVED)); |
| 128 | } |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | @Override |
| 133 | public void updatePeerRouterMac(String name, MacAddress mac) { |
| 134 | KubevirtRouter router = kubevirtRouterStore.router(name); |
| 135 | if (router == null) { |
| 136 | log.warn("The router is not found with the given name {}", name); |
| 137 | return; |
| 138 | } |
| 139 | |
| 140 | KubevirtPeerRouter existing = router.peerRouter(); |
| 141 | if (existing == null) { |
| 142 | log.warn("The peer router is not found with the given name {}", name); |
| 143 | return; |
| 144 | } |
| 145 | |
| 146 | KubevirtPeerRouter updated = new KubevirtPeerRouter(existing.ipAddress(), mac); |
| 147 | kubevirtRouterStore.updateRouter(router.updatePeerRouter(updated)); |
| 148 | } |
| 149 | |
| 150 | @Override |
Jian Li | 073f1ba | 2021-02-28 03:50:15 +0900 | [diff] [blame] | 151 | public void createFloatingIp(KubevirtFloatingIp floatingIp) { |
| 152 | checkNotNull(floatingIp, ERR_NULL_FLOATING_IP); |
| 153 | checkArgument(!Strings.isNullOrEmpty(floatingIp.id()), ERR_NULL_FLOATING_IP_ID); |
| 154 | |
| 155 | kubevirtRouterStore.createFloatingIp(floatingIp); |
| 156 | |
| 157 | log.info(String.format(MSG_FLOATING_IP, floatingIp.floatingIp(), MSG_CREATED)); |
| 158 | } |
| 159 | |
| 160 | @Override |
| 161 | public void updateFloatingIp(KubevirtFloatingIp floatingIp) { |
| 162 | checkNotNull(floatingIp, ERR_NULL_FLOATING_IP); |
| 163 | checkArgument(!Strings.isNullOrEmpty(floatingIp.id()), ERR_NULL_FLOATING_IP_ID); |
| 164 | |
| 165 | kubevirtRouterStore.updateFloatingIp(floatingIp); |
| 166 | |
| 167 | log.info(String.format(MSG_FLOATING_IP, floatingIp.floatingIp(), MSG_UPDATED)); |
| 168 | } |
| 169 | |
| 170 | @Override |
| 171 | public void removeFloatingIp(String id) { |
| 172 | checkArgument(!Strings.isNullOrEmpty(id), ERR_NULL_FLOATING_IP_ID); |
| 173 | |
| 174 | synchronized (this) { |
| 175 | KubevirtFloatingIp floatingIp = kubevirtRouterStore.removeFloatingIp(id); |
| 176 | |
| 177 | if (floatingIp != null) { |
| 178 | log.info(String.format(MSG_FLOATING_IP, floatingIp.floatingIp(), MSG_REMOVED)); |
| 179 | } |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | @Override |
Jian Li | 810f58c | 2021-02-27 01:10:50 +0900 | [diff] [blame] | 184 | public void clear() { |
| 185 | kubevirtRouterStore.clear(); |
| 186 | } |
| 187 | |
| 188 | @Override |
| 189 | public KubevirtRouter router(String name) { |
| 190 | checkArgument(name != null, ERR_NULL_ROUTER_NAME); |
| 191 | return kubevirtRouterStore.router(name); |
| 192 | } |
| 193 | |
| 194 | @Override |
| 195 | public Set<KubevirtRouter> routers() { |
| 196 | return ImmutableSet.copyOf(kubevirtRouterStore.routers()); |
| 197 | } |
| 198 | |
Jian Li | 073f1ba | 2021-02-28 03:50:15 +0900 | [diff] [blame] | 199 | @Override |
| 200 | public KubevirtFloatingIp floatingIp(String id) { |
| 201 | checkArgument(!Strings.isNullOrEmpty(id), ERR_NULL_FLOATING_IP_ID); |
| 202 | return kubevirtRouterStore.floatingIp(id); |
| 203 | } |
| 204 | |
| 205 | @Override |
| 206 | public KubevirtFloatingIp floatingIpByPodName(String podName) { |
| 207 | checkArgument(!Strings.isNullOrEmpty(podName), ERR_NULL_POD_NAME); |
| 208 | return kubevirtRouterStore.floatingIps().stream() |
| 209 | .filter(ips -> podName.equals(ips.podName())) |
| 210 | .findAny().orElse(null); |
| 211 | } |
| 212 | |
| 213 | @Override |
| 214 | public Set<KubevirtFloatingIp> floatingIpsByRouter(String routerName) { |
| 215 | checkArgument(!Strings.isNullOrEmpty(routerName), ERR_NULL_ROUTER_NAME); |
| 216 | return kubevirtRouterStore.floatingIps().stream() |
| 217 | .filter(ips -> routerName.equals(ips.routerName())) |
| 218 | .collect(Collectors.toSet()); |
| 219 | } |
| 220 | |
| 221 | @Override |
| 222 | public Set<KubevirtFloatingIp> floatingIps() { |
| 223 | return ImmutableSet.copyOf(kubevirtRouterStore.floatingIps()); |
| 224 | } |
| 225 | |
Jian Li | 810f58c | 2021-02-27 01:10:50 +0900 | [diff] [blame] | 226 | private boolean isRouterInUse(String name) { |
Jian Li | 073f1ba | 2021-02-28 03:50:15 +0900 | [diff] [blame] | 227 | return floatingIpsByRouter(name).size() > 0; |
Jian Li | 810f58c | 2021-02-27 01:10:50 +0900 | [diff] [blame] | 228 | } |
| 229 | |
| 230 | private class InternalRouterStorageDelegate implements KubevirtRouterStoreDelegate { |
| 231 | |
| 232 | @Override |
| 233 | public void notify(KubevirtRouterEvent event) { |
| 234 | log.trace("send kubevirt router event {}", event); |
| 235 | process(event); |
| 236 | } |
| 237 | } |
| 238 | } |