| /* |
| * 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.DefaultK8sIpam; |
| import org.onosproject.k8snetworking.api.K8sIpam; |
| import org.onosproject.k8snetworking.api.K8sIpamEvent; |
| import org.onosproject.k8snetworking.api.K8sIpamStore; |
| import org.onosproject.k8snetworking.api.K8sIpamStoreDelegate; |
| import org.onosproject.store.AbstractStore; |
| import org.onosproject.store.serializers.KryoNamespaces; |
| import org.onosproject.store.service.ConsistentMap; |
| 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 java.util.stream.Collectors; |
| |
| 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.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Implementation of kubernetes IP address management store using consistent map. |
| */ |
| @Component(immediate = true, service = K8sIpamStore.class) |
| public class DistributedK8sIpamStore |
| extends AbstractStore<K8sIpamEvent, K8sIpamStoreDelegate> |
| implements K8sIpamStore { |
| |
| 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_IPAM = KryoNamespace.newBuilder() |
| .register(KryoNamespaces.API) |
| .register(K8sIpam.class) |
| .register(DefaultK8sIpam.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 ConsistentMap<String, K8sIpam> allocatedStore; |
| private ConsistentMap<String, K8sIpam> availableStore; |
| |
| @Activate |
| protected void activate() { |
| ApplicationId appId = coreService.registerApplication(APP_ID); |
| allocatedStore = storageService.<String, K8sIpam>consistentMapBuilder() |
| .withSerializer(Serializer.using(SERIALIZER_K8S_IPAM)) |
| .withName("k8s-ipam-allocated-store") |
| .withApplicationId(appId) |
| .build(); |
| availableStore = storageService.<String, K8sIpam>consistentMapBuilder() |
| .withSerializer(Serializer.using(SERIALIZER_K8S_IPAM)) |
| .withName("k8s-ipam-available-store") |
| .withApplicationId(appId) |
| .build(); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| eventExecutor.shutdown(); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public void createAllocatedIp(K8sIpam ipam) { |
| allocatedStore.compute(ipam.ipamId(), (ipamId, existing) -> { |
| final String error = ipam.ipamId() + ERR_DUPLICATE; |
| checkArgument(existing == null, error); |
| return ipam; |
| }); |
| } |
| |
| @Override |
| public void updateAllocatedIp(K8sIpam ipam) { |
| allocatedStore.compute(ipam.ipamId(), (ipamId, existing) -> { |
| final String error = ipam.ipamId() + ERR_NOT_FOUND; |
| checkArgument(existing != null, error); |
| return ipam; |
| }); |
| } |
| |
| @Override |
| public K8sIpam removeAllocatedIp(String ipamId) { |
| Versioned<K8sIpam> ipam = allocatedStore.remove(ipamId); |
| if (ipam == null) { |
| final String error = ipamId + ERR_NOT_FOUND; |
| throw new IllegalArgumentException(error); |
| } |
| return ipam.value(); |
| } |
| |
| @Override |
| public K8sIpam allocatedIp(String ipamId) { |
| return allocatedStore.asJavaMap().get(ipamId); |
| } |
| |
| @Override |
| public Set<K8sIpam> allocatedIps() { |
| return ImmutableSet.copyOf(allocatedStore.asJavaMap().values()); |
| } |
| |
| @Override |
| public void createAvailableIp(K8sIpam ipam) { |
| availableStore.compute(ipam.ipamId(), (ipamId, existing) -> { |
| final String error = ipam.ipamId() + ERR_DUPLICATE; |
| checkArgument(existing == null, error); |
| return ipam; |
| }); |
| } |
| |
| @Override |
| public void updateAvailableIp(K8sIpam ipam) { |
| availableStore.compute(ipam.ipamId(), (ipamId, existing) -> { |
| final String error = ipam.ipamId() + ERR_NOT_FOUND; |
| checkArgument(existing != null, error); |
| return ipam; |
| }); |
| } |
| |
| @Override |
| public K8sIpam removeAvailableIp(String ipamId) { |
| Versioned<K8sIpam> ipam = availableStore.remove(ipamId); |
| if (ipam == null) { |
| final String error = ipamId + ERR_NOT_FOUND; |
| throw new IllegalArgumentException(error); |
| } |
| return ipam.value(); |
| } |
| |
| @Override |
| public K8sIpam availableIp(String ipamId) { |
| return availableStore.asJavaMap().get(ipamId); |
| } |
| |
| @Override |
| public Set<K8sIpam> availableIps() { |
| return ImmutableSet.copyOf(availableStore.asJavaMap().values()); |
| } |
| |
| @Override |
| public void clear() { |
| allocatedStore.clear(); |
| availableStore.clear(); |
| } |
| |
| @Override |
| public void clear(String networkId) { |
| Set<K8sIpam> ipams = allocatedStore.asJavaMap().values().stream() |
| .filter(i -> i.networkId().equals(networkId)) |
| .collect(Collectors.toSet()); |
| ipams.forEach(i -> allocatedStore.remove(i.ipamId())); |
| } |
| } |