| /* |
| * Copyright 2019-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.k8snetworking.impl; |
| |
| import com.google.common.collect.ImmutableSet; |
| import org.onlab.util.KryoNamespace; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.k8snetworking.api.DefaultK8sNetwork; |
| import org.onosproject.k8snetworking.api.DefaultK8sPort; |
| import org.onosproject.k8snetworking.api.K8sNetwork; |
| import org.onosproject.k8snetworking.api.K8sNetworkEvent; |
| import org.onosproject.k8snetworking.api.K8sNetworkStore; |
| import org.onosproject.k8snetworking.api.K8sNetworkStoreDelegate; |
| import org.onosproject.k8snetworking.api.K8sPort; |
| 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.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.k8snetworking.api.K8sNetworkEvent.Type.K8S_NETWORK_CREATED; |
| import static org.onosproject.k8snetworking.api.K8sNetworkEvent.Type.K8S_NETWORK_REMOVED; |
| import static org.onosproject.k8snetworking.api.K8sNetworkEvent.Type.K8S_NETWORK_UPDATED; |
| import static org.onosproject.k8snetworking.api.K8sNetworkEvent.Type.K8S_PORT_ACTIVATED; |
| import static org.onosproject.k8snetworking.api.K8sNetworkEvent.Type.K8S_PORT_CREATED; |
| import static org.onosproject.k8snetworking.api.K8sNetworkEvent.Type.K8S_PORT_INACTIVATED; |
| import static org.onosproject.k8snetworking.api.K8sNetworkEvent.Type.K8S_PORT_REMOVED; |
| import static org.onosproject.k8snetworking.api.K8sNetworkEvent.Type.K8S_PORT_UPDATED; |
| import static org.onosproject.k8snetworking.api.K8sPort.State.ACTIVE; |
| import static org.onosproject.k8snetworking.api.K8sPort.State.INACTIVE; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Implementation of kubernetes network store using consistent map. |
| */ |
| @Component(immediate = true, service = K8sNetworkStore.class) |
| public class DistributedK8sNetworkStore |
| extends AbstractStore<K8sNetworkEvent, K8sNetworkStoreDelegate> |
| implements K8sNetworkStore { |
| |
| 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.k8snetwork"; |
| |
| private static final KryoNamespace |
| SERIALIZER_K8S_NETWORK_PORT = KryoNamespace.newBuilder() |
| .register(KryoNamespaces.API) |
| .register(K8sNetwork.class) |
| .register(K8sNetwork.Type.class) |
| .register(DefaultK8sNetwork.class) |
| .register(K8sPort.class) |
| .register(K8sPort.State.class) |
| .register(DefaultK8sPort.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, K8sNetwork> networkMapListener = |
| new K8sNetworkMapListener(); |
| private final MapEventListener<String, K8sPort> portMapListener = |
| new K8sPortMapListener(); |
| |
| private ConsistentMap<String, K8sNetwork> networkStore; |
| private ConsistentMap<String, K8sPort> portStore; |
| |
| @Activate |
| protected void activate() { |
| ApplicationId appId = coreService.registerApplication(APP_ID); |
| networkStore = storageService.<String, K8sNetwork>consistentMapBuilder() |
| .withSerializer(Serializer.using(SERIALIZER_K8S_NETWORK_PORT)) |
| .withName("k8s-networkstore") |
| .withApplicationId(appId) |
| .build(); |
| portStore = storageService.<String, K8sPort>consistentMapBuilder() |
| .withSerializer(Serializer.using(SERIALIZER_K8S_NETWORK_PORT)) |
| .withName("k8s-portstore") |
| .withApplicationId(appId) |
| .build(); |
| networkStore.addListener(networkMapListener); |
| portStore.addListener(portMapListener); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| networkStore.removeListener(networkMapListener); |
| portStore.removeListener(portMapListener); |
| eventExecutor.shutdown(); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public void createNetwork(K8sNetwork network) { |
| networkStore.compute(network.networkId(), (networkId, existing) -> { |
| final String error = network.networkId() + ERR_DUPLICATE; |
| checkArgument(existing == null, error); |
| return network; |
| }); |
| } |
| |
| @Override |
| public void updateNetwork(K8sNetwork network) { |
| networkStore.compute(network.networkId(), (networkId, existing) -> { |
| final String error = network.networkId() + ERR_NOT_FOUND; |
| checkArgument(existing != null, error); |
| return network; |
| }); |
| } |
| |
| @Override |
| public K8sNetwork removeNetwork(String networkId) { |
| Versioned<K8sNetwork> network = networkStore.remove(networkId); |
| if (network == null) { |
| final String error = networkId + ERR_NOT_FOUND; |
| throw new IllegalArgumentException(error); |
| } |
| return network.value(); |
| } |
| |
| @Override |
| public K8sNetwork network(String networkId) { |
| return networkStore.asJavaMap().get(networkId); |
| } |
| |
| @Override |
| public Set<K8sNetwork> networks() { |
| return ImmutableSet.copyOf(networkStore.asJavaMap().values()); |
| } |
| |
| @Override |
| public void createPort(K8sPort port) { |
| portStore.compute(port.portId(), (portId, existing) -> { |
| final String error = port.portId() + ERR_DUPLICATE; |
| checkArgument(existing == null, error); |
| return port; |
| }); |
| } |
| |
| @Override |
| public void updatePort(K8sPort port) { |
| portStore.compute(port.portId(), (portId, existing) -> { |
| final String error = port.portId() + ERR_NOT_FOUND; |
| checkArgument(existing != null, error); |
| return port; |
| }); |
| } |
| |
| @Override |
| public K8sPort removePort(String portId) { |
| Versioned<K8sPort> port = portStore.remove(portId); |
| if (port == null) { |
| final String error = portId + ERR_NOT_FOUND; |
| throw new IllegalArgumentException(error); |
| } |
| return port.value(); |
| } |
| |
| @Override |
| public Set<K8sPort> ports() { |
| return ImmutableSet.copyOf(portStore.asJavaMap().values()); |
| } |
| |
| @Override |
| public K8sPort port(String portId) { |
| return portStore.asJavaMap().get(portId); |
| } |
| |
| @Override |
| public void clear() { |
| portStore.clear(); |
| networkStore.clear(); |
| } |
| |
| private class K8sNetworkMapListener implements MapEventListener<String, K8sNetwork> { |
| |
| @Override |
| public void event(MapEvent<String, K8sNetwork> event) { |
| |
| switch (event.type()) { |
| case INSERT: |
| log.debug("Kubernetes network created {}", event.newValue()); |
| eventExecutor.execute(() -> |
| notifyDelegate(new K8sNetworkEvent( |
| K8S_NETWORK_CREATED, event.newValue().value()))); |
| break; |
| case UPDATE: |
| log.debug("Kubernetes network updated {}", event.newValue()); |
| eventExecutor.execute(() -> |
| notifyDelegate(new K8sNetworkEvent( |
| K8S_NETWORK_UPDATED, event.newValue().value()))); |
| break; |
| case REMOVE: |
| log.debug("Kubernetes network removed {}", event.oldValue()); |
| eventExecutor.execute(() -> |
| notifyDelegate(new K8sNetworkEvent( |
| K8S_NETWORK_REMOVED, event.oldValue().value()))); |
| break; |
| default: |
| // do nothing |
| break; |
| } |
| } |
| } |
| |
| private class K8sPortMapListener implements MapEventListener<String, K8sPort> { |
| |
| @Override |
| public void event(MapEvent<String, K8sPort> event) { |
| |
| switch (event.type()) { |
| case INSERT: |
| log.debug("Kubernetes port created"); |
| eventExecutor.execute(() -> |
| notifyDelegate(new K8sNetworkEvent( |
| K8S_PORT_CREATED, |
| network(event.newValue().value().networkId()), |
| event.newValue().value()))); |
| break; |
| case UPDATE: |
| log.debug("Kubernetes port updated"); |
| eventExecutor.execute(() -> processPortUpdate(event)); |
| break; |
| case REMOVE: |
| log.debug("Kubernetes port removed"); |
| notifyDelegate(new K8sNetworkEvent( |
| K8S_PORT_REMOVED, |
| network(event.oldValue().value().networkId()), |
| event.oldValue().value())); |
| break; |
| default: |
| // do nothing |
| break; |
| } |
| } |
| |
| private void processPortUpdate(MapEvent<String, K8sPort> event) { |
| K8sPort.State oldState = event.oldValue().value().state(); |
| K8sPort.State newState = event.newValue().value().state(); |
| |
| eventExecutor.execute(() -> |
| notifyDelegate(new K8sNetworkEvent( |
| K8S_PORT_UPDATED, |
| network(event.newValue().value().networkId()), |
| event.newValue().value()))); |
| |
| if (oldState == INACTIVE && newState == ACTIVE) { |
| notifyDelegate(new K8sNetworkEvent( |
| K8S_PORT_ACTIVATED, |
| network(event.newValue().value().networkId()), |
| event.newValue().value())); |
| } |
| |
| if (oldState == ACTIVE && newState == INACTIVE) { |
| notifyDelegate(new K8sNetworkEvent( |
| K8S_PORT_INACTIVATED, |
| network(event.newValue().value().networkId()), |
| event.newValue().value())); |
| } |
| } |
| } |
| } |