Jian Li | 7e8f57e | 2019-01-24 18:31:03 +0900 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2019-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.k8snetworking.impl; |
| 17 | |
| 18 | import com.google.common.collect.ImmutableSet; |
| 19 | import org.onlab.util.KryoNamespace; |
| 20 | import org.onosproject.core.ApplicationId; |
| 21 | import org.onosproject.core.CoreService; |
| 22 | import org.onosproject.k8snetworking.api.DefaultK8sNetwork; |
| 23 | import org.onosproject.k8snetworking.api.DefaultK8sPort; |
| 24 | import org.onosproject.k8snetworking.api.K8sNetwork; |
| 25 | import org.onosproject.k8snetworking.api.K8sNetworkEvent; |
| 26 | import org.onosproject.k8snetworking.api.K8sNetworkStore; |
| 27 | import org.onosproject.k8snetworking.api.K8sNetworkStoreDelegate; |
| 28 | import org.onosproject.k8snetworking.api.K8sPort; |
| 29 | import org.onosproject.store.AbstractStore; |
| 30 | import org.onosproject.store.serializers.KryoNamespaces; |
| 31 | import org.onosproject.store.service.ConsistentMap; |
| 32 | import org.onosproject.store.service.MapEvent; |
| 33 | import org.onosproject.store.service.MapEventListener; |
| 34 | import org.onosproject.store.service.Serializer; |
| 35 | import org.onosproject.store.service.StorageService; |
| 36 | import org.onosproject.store.service.Versioned; |
| 37 | import org.osgi.service.component.annotations.Activate; |
| 38 | import org.osgi.service.component.annotations.Component; |
| 39 | import org.osgi.service.component.annotations.Deactivate; |
| 40 | import org.osgi.service.component.annotations.Reference; |
| 41 | import org.osgi.service.component.annotations.ReferenceCardinality; |
| 42 | import org.slf4j.Logger; |
| 43 | |
| 44 | import java.util.Collection; |
| 45 | import java.util.Set; |
| 46 | import java.util.concurrent.ExecutorService; |
| 47 | |
| 48 | import static com.google.common.base.Preconditions.checkArgument; |
| 49 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| 50 | import static org.onlab.util.Tools.groupedThreads; |
| 51 | import static org.onosproject.k8snetworking.api.K8sNetworkEvent.Type.K8S_NETWORK_CREATED; |
| 52 | import static org.onosproject.k8snetworking.api.K8sNetworkEvent.Type.K8S_NETWORK_REMOVED; |
| 53 | import static org.onosproject.k8snetworking.api.K8sNetworkEvent.Type.K8S_NETWORK_UPDATED; |
| 54 | import static org.onosproject.k8snetworking.api.K8sNetworkEvent.Type.K8S_PORT_CREATED; |
| 55 | import static org.onosproject.k8snetworking.api.K8sNetworkEvent.Type.K8S_PORT_REMOVED; |
| 56 | import static org.onosproject.k8snetworking.api.K8sNetworkEvent.Type.K8S_PORT_UPDATED; |
| 57 | import static org.slf4j.LoggerFactory.getLogger; |
| 58 | |
| 59 | /** |
| 60 | * Implementation of kubernetes network store using consistent map. |
| 61 | */ |
| 62 | @Component(immediate = true, service = K8sNetworkStore.class) |
| 63 | public class DistributedK8sNetworkStore |
| 64 | extends AbstractStore<K8sNetworkEvent, K8sNetworkStoreDelegate> |
| 65 | implements K8sNetworkStore { |
| 66 | |
| 67 | private final Logger log = getLogger(getClass()); |
| 68 | |
| 69 | private static final String ERR_NOT_FOUND = " does not exist"; |
| 70 | private static final String ERR_DUPLICATE = " already exists"; |
| 71 | private static final String APP_ID = "org.onosproject.k8snetwork"; |
| 72 | |
| 73 | private static final KryoNamespace |
| 74 | SERIALIZER_K8S_NETWORK_PORT = KryoNamespace.newBuilder() |
| 75 | .register(KryoNamespaces.API) |
| 76 | .register(K8sNetwork.class) |
| 77 | .register(K8sNetwork.Type.class) |
| 78 | .register(DefaultK8sNetwork.class) |
| 79 | .register(K8sPort.class) |
| 80 | .register(K8sPort.State.class) |
| 81 | .register(DefaultK8sPort.class) |
| 82 | .register(Collection.class) |
| 83 | .build(); |
| 84 | |
| 85 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 86 | protected CoreService coreService; |
| 87 | |
| 88 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 89 | protected StorageService storageService; |
| 90 | |
| 91 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 92 | groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
| 93 | |
| 94 | private final MapEventListener<String, K8sNetwork> networkMapListener = |
| 95 | new K8sNetworkMapListener(); |
| 96 | private final MapEventListener<String, K8sPort> portMapListener = |
| 97 | new K8sPortMapListener(); |
| 98 | |
| 99 | private ConsistentMap<String, K8sNetwork> networkStore; |
| 100 | private ConsistentMap<String, K8sPort> portStore; |
| 101 | |
| 102 | @Activate |
| 103 | protected void activate() { |
| 104 | ApplicationId appId = coreService.registerApplication(APP_ID); |
| 105 | networkStore = storageService.<String, K8sNetwork>consistentMapBuilder() |
| 106 | .withSerializer(Serializer.using(SERIALIZER_K8S_NETWORK_PORT)) |
| 107 | .withName("k8s-networkstore") |
| 108 | .withApplicationId(appId) |
| 109 | .build(); |
| 110 | portStore = storageService.<String, K8sPort>consistentMapBuilder() |
| 111 | .withSerializer(Serializer.using(SERIALIZER_K8S_NETWORK_PORT)) |
| 112 | .withName("k8s-portstore") |
| 113 | .withApplicationId(appId) |
| 114 | .build(); |
| 115 | networkStore.addListener(networkMapListener); |
| 116 | portStore.addListener(portMapListener); |
| 117 | log.info("Started"); |
| 118 | } |
| 119 | |
| 120 | @Deactivate |
| 121 | protected void deactivate() { |
| 122 | networkStore.removeListener(networkMapListener); |
| 123 | portStore.removeListener(portMapListener); |
| 124 | eventExecutor.shutdown(); |
| 125 | log.info("Stopped"); |
| 126 | } |
| 127 | |
| 128 | @Override |
| 129 | public void createNetwork(K8sNetwork network) { |
| 130 | networkStore.compute(network.networkId(), (networkId, existing) -> { |
| 131 | final String error = network.networkId() + ERR_DUPLICATE; |
| 132 | checkArgument(existing == null, error); |
| 133 | return network; |
| 134 | }); |
| 135 | } |
| 136 | |
| 137 | @Override |
| 138 | public void updateNetwork(K8sNetwork network) { |
| 139 | networkStore.compute(network.networkId(), (networkId, existing) -> { |
| 140 | final String error = network.networkId() + ERR_NOT_FOUND; |
| 141 | checkArgument(existing != null, error); |
| 142 | return network; |
| 143 | }); |
| 144 | } |
| 145 | |
| 146 | @Override |
| 147 | public K8sNetwork removeNetwork(String networkId) { |
| 148 | Versioned<K8sNetwork> network = networkStore.remove(networkId); |
| 149 | if (network == null) { |
| 150 | final String error = networkId + ERR_NOT_FOUND; |
| 151 | throw new IllegalArgumentException(error); |
| 152 | } |
| 153 | return network.value(); |
| 154 | } |
| 155 | |
| 156 | @Override |
| 157 | public K8sNetwork network(String networkId) { |
| 158 | return networkStore.asJavaMap().get(networkId); |
| 159 | } |
| 160 | |
| 161 | @Override |
| 162 | public Set<K8sNetwork> networks() { |
| 163 | return ImmutableSet.copyOf(networkStore.asJavaMap().values()); |
| 164 | } |
| 165 | |
| 166 | @Override |
| 167 | public void createPort(K8sPort port) { |
| 168 | portStore.compute(port.portId(), (portId, existing) -> { |
| 169 | final String error = port.portId() + ERR_DUPLICATE; |
| 170 | checkArgument(existing == null, error); |
| 171 | return port; |
| 172 | }); |
| 173 | } |
| 174 | |
| 175 | @Override |
| 176 | public void updatePort(K8sPort port) { |
| 177 | portStore.compute(port.portId(), (portId, existing) -> { |
| 178 | final String error = port.portId() + ERR_NOT_FOUND; |
| 179 | checkArgument(existing != null, error); |
| 180 | return port; |
| 181 | }); |
| 182 | } |
| 183 | |
| 184 | @Override |
| 185 | public K8sPort removePort(String portId) { |
| 186 | Versioned<K8sPort> port = portStore.remove(portId); |
| 187 | if (port == null) { |
| 188 | final String error = portId + ERR_NOT_FOUND; |
| 189 | throw new IllegalArgumentException(error); |
| 190 | } |
| 191 | return port.value(); |
| 192 | } |
| 193 | |
| 194 | @Override |
| 195 | public Set<K8sPort> ports() { |
| 196 | return ImmutableSet.copyOf(portStore.asJavaMap().values()); |
| 197 | } |
| 198 | |
| 199 | @Override |
| 200 | public K8sPort port(String portId) { |
| 201 | return portStore.asJavaMap().get(portId); |
| 202 | } |
| 203 | |
| 204 | @Override |
| 205 | public void clear() { |
| 206 | portStore.clear(); |
| 207 | networkStore.clear(); |
| 208 | } |
| 209 | |
| 210 | private class K8sNetworkMapListener implements MapEventListener<String, K8sNetwork> { |
| 211 | |
| 212 | @Override |
| 213 | public void event(MapEvent<String, K8sNetwork> event) { |
| 214 | |
| 215 | switch (event.type()) { |
| 216 | case INSERT: |
| 217 | log.debug("Kubernetes network created {}", event.newValue()); |
| 218 | eventExecutor.execute(() -> |
| 219 | notifyDelegate(new K8sNetworkEvent( |
| 220 | K8S_NETWORK_CREATED, event.newValue().value()))); |
| 221 | break; |
| 222 | case UPDATE: |
| 223 | log.debug("Kubernetes network updated {}", event.newValue()); |
| 224 | eventExecutor.execute(() -> |
| 225 | notifyDelegate(new K8sNetworkEvent( |
| 226 | K8S_NETWORK_UPDATED, event.newValue().value()))); |
| 227 | break; |
| 228 | case REMOVE: |
| 229 | log.debug("Kubernetes network removed {}", event.oldValue()); |
| 230 | eventExecutor.execute(() -> |
| 231 | notifyDelegate(new K8sNetworkEvent( |
| 232 | K8S_NETWORK_REMOVED, event.oldValue().value()))); |
| 233 | break; |
| 234 | default: |
| 235 | // do nothing |
| 236 | break; |
| 237 | } |
| 238 | } |
| 239 | } |
| 240 | |
| 241 | private class K8sPortMapListener implements MapEventListener<String, K8sPort> { |
| 242 | |
| 243 | @Override |
| 244 | public void event(MapEvent<String, K8sPort> event) { |
| 245 | |
| 246 | switch (event.type()) { |
| 247 | case INSERT: |
| 248 | log.debug("Kubernetes port created"); |
| 249 | eventExecutor.execute(() -> |
| 250 | notifyDelegate(new K8sNetworkEvent( |
| 251 | K8S_PORT_CREATED, |
| 252 | network(event.newValue().value().networkId()), |
| 253 | event.newValue().value()))); |
| 254 | break; |
| 255 | case UPDATE: |
| 256 | log.debug("Kubernetes port updated"); |
| 257 | eventExecutor.execute(() -> |
| 258 | notifyDelegate(new K8sNetworkEvent( |
| 259 | K8S_PORT_UPDATED, |
| 260 | network(event.newValue().value().networkId()), |
| 261 | event.newValue().value()))); |
| 262 | break; |
| 263 | case REMOVE: |
| 264 | log.debug("Kubernetes port removed"); |
| 265 | notifyDelegate(new K8sNetworkEvent( |
| 266 | K8S_PORT_REMOVED, |
| 267 | network(event.oldValue().value().networkId()), |
| 268 | event.oldValue().value())); |
| 269 | break; |
| 270 | default: |
| 271 | // do nothing |
| 272 | break; |
| 273 | } |
| 274 | } |
| 275 | } |
| 276 | } |