| /* |
| * 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 io.fabric8.kubernetes.api.model.LoadBalancerIngress; |
| import io.fabric8.kubernetes.api.model.LoadBalancerStatus; |
| import io.fabric8.kubernetes.api.model.ObjectMeta; |
| import io.fabric8.kubernetes.api.model.extensions.Ingress; |
| import io.fabric8.kubernetes.api.model.extensions.IngressBackend; |
| import io.fabric8.kubernetes.api.model.extensions.IngressRule; |
| import io.fabric8.kubernetes.api.model.extensions.IngressSpec; |
| import io.fabric8.kubernetes.api.model.extensions.IngressStatus; |
| import io.fabric8.kubernetes.api.model.extensions.IngressTLS; |
| import org.onlab.util.KryoNamespace; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.k8snetworking.api.K8sIngressEvent; |
| import org.onosproject.k8snetworking.api.K8sIngressStore; |
| import org.onosproject.k8snetworking.api.K8sIngressStoreDelegate; |
| 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.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.K8sIngressEvent.Type.K8S_INGRESS_CREATED; |
| import static org.onosproject.k8snetworking.api.K8sIngressEvent.Type.K8S_INGRESS_REMOVED; |
| import static org.onosproject.k8snetworking.api.K8sIngressEvent.Type.K8S_INGRESS_UPDATED; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Implementation of kubernetes ingress store using consistent map. |
| */ |
| @Component(immediate = true, service = K8sIngressStore.class) |
| public class DistributedK8sIngressStore |
| extends AbstractStore<K8sIngressEvent, K8sIngressStoreDelegate> |
| implements K8sIngressStore { |
| |
| 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_INGRESS = KryoNamespace.newBuilder() |
| .register(KryoNamespaces.API) |
| .register(Ingress.class) |
| .register(ObjectMeta.class) |
| .register(IngressSpec.class) |
| .register(IngressStatus.class) |
| .register(IngressBackend.class) |
| .register(IngressRule.class) |
| .register(IngressTLS.class) |
| .register(LoadBalancerStatus.class) |
| .register(LoadBalancerIngress.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, Ingress> ingressMapListener = new K8sIngressMapListener(); |
| private ConsistentMap<String, Ingress> ingressStore; |
| |
| @Activate |
| protected void activate() { |
| ApplicationId appId = coreService.registerApplication(APP_ID); |
| ingressStore = storageService.<String, Ingress>consistentMapBuilder() |
| .withSerializer(Serializer.using(SERIALIZER_K8S_INGRESS)) |
| .withName("k8s-ingress-store") |
| .withApplicationId(appId) |
| .build(); |
| |
| ingressStore.addListener(ingressMapListener); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| ingressStore.removeListener(ingressMapListener); |
| eventExecutor.shutdown(); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public void createIngress(Ingress ingress) { |
| ingressStore.compute(ingress.getMetadata().getUid(), (uid, existing) -> { |
| final String error = ingress.getMetadata().getUid() + ERR_DUPLICATE; |
| checkArgument(existing == null, error); |
| return ingress; |
| }); |
| } |
| |
| @Override |
| public void updateIngress(Ingress ingress) { |
| ingressStore.compute(ingress.getMetadata().getUid(), (uid, existing) -> { |
| final String error = ingress.getMetadata().getUid() + ERR_NOT_FOUND; |
| checkArgument(existing != null, error); |
| return ingress; |
| }); |
| } |
| |
| @Override |
| public Ingress removeIngress(String uid) { |
| Versioned<Ingress> ingress = ingressStore.remove(uid); |
| if (ingress == null) { |
| final String error = uid + ERR_NOT_FOUND; |
| throw new IllegalArgumentException(error); |
| } |
| return ingress.value(); |
| } |
| |
| @Override |
| public Ingress ingress(String uid) { |
| return ingressStore.asJavaMap().get(uid); |
| } |
| |
| @Override |
| public Set<Ingress> ingresses() { |
| return ImmutableSet.copyOf(ingressStore.asJavaMap().values()); |
| } |
| |
| @Override |
| public void clear() { |
| ingressStore.clear(); |
| } |
| |
| private class K8sIngressMapListener implements MapEventListener<String, Ingress> { |
| |
| @Override |
| public void event(MapEvent<String, Ingress> event) { |
| |
| switch (event.type()) { |
| case INSERT: |
| log.debug("Kubernetes ingress created {}", event.newValue()); |
| eventExecutor.execute(() -> |
| notifyDelegate(new K8sIngressEvent( |
| K8S_INGRESS_CREATED, event.newValue().value()))); |
| break; |
| case UPDATE: |
| log.debug("Kubernetes ingress updated {}", event.newValue()); |
| eventExecutor.execute(() -> |
| notifyDelegate(new K8sIngressEvent( |
| K8S_INGRESS_UPDATED, event.newValue().value()))); |
| break; |
| case REMOVE: |
| log.debug("Kubernetes ingress removed {}", event.oldValue()); |
| eventExecutor.execute(() -> |
| notifyDelegate(new K8sIngressEvent( |
| K8S_INGRESS_REMOVED, event.oldValue().value()))); |
| break; |
| default: |
| // do nothing |
| break; |
| } |
| } |
| } |
| } |