| /* |
| * 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.base.Strings; |
| import com.google.common.collect.ImmutableSet; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.event.ListenerRegistry; |
| import org.onosproject.k8snetworking.api.K8sNetwork; |
| import org.onosproject.k8snetworking.api.K8sNetwork.Type; |
| import org.onosproject.k8snetworking.api.K8sNetworkAdminService; |
| import org.onosproject.k8snetworking.api.K8sNetworkEvent; |
| import org.onosproject.k8snetworking.api.K8sNetworkListener; |
| import org.onosproject.k8snetworking.api.K8sNetworkService; |
| import org.onosproject.k8snetworking.api.K8sNetworkStore; |
| import org.onosproject.k8snetworking.api.K8sNetworkStoreDelegate; |
| import org.onosproject.k8snetworking.api.K8sPort; |
| import org.onosproject.k8snetworking.api.K8sPort.State; |
| 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.stream.Collectors; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.onosproject.k8snetworking.api.Constants.K8S_NETWORKING_APP_ID; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Provides implementation of administering and interfacing kubernetes network, |
| * and port. |
| */ |
| @Component( |
| immediate = true, |
| service = {K8sNetworkAdminService.class, K8sNetworkService.class } |
| ) |
| public class K8sNetworkManager |
| extends ListenerRegistry<K8sNetworkEvent, K8sNetworkListener> |
| implements K8sNetworkAdminService, K8sNetworkService { |
| |
| protected final Logger log = getLogger(getClass()); |
| |
| private static final String MSG_NETWORK = "Kubernetes network %s %s"; |
| private static final String MSG_PORT = "Kubernetes port %s %s"; |
| private static final String MSG_CREATED = "created"; |
| private static final String MSG_UPDATED = "updated"; |
| private static final String MSG_REMOVED = "removed"; |
| |
| private static final String ERR_NULL_NETWORK = "Kubernetes network cannot be null"; |
| private static final String ERR_NULL_NETWORK_ID = "Kubernetes network ID cannot be null"; |
| private static final String ERR_NULL_PORT = "Kubernetes port cannot be null"; |
| private static final String ERR_NULL_PORT_ID = "Kubernetes port ID cannot be null"; |
| private static final String ERR_NULL_PORT_NET_ID = "Kubernetes port network ID cannot be null"; |
| |
| private static final String ERR_IN_USE = " still in use"; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected K8sNetworkStore k8sNetworkStore; |
| |
| private final K8sNetworkStoreDelegate |
| delegate = new InternalNetworkStorageDelegate(); |
| |
| private ApplicationId appId; |
| |
| @Activate |
| protected void activate() { |
| appId = coreService.registerApplication(K8S_NETWORKING_APP_ID); |
| |
| k8sNetworkStore.setDelegate(delegate); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| k8sNetworkStore.unsetDelegate(delegate); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public void createNetwork(K8sNetwork network) { |
| checkNotNull(network, ERR_NULL_NETWORK); |
| checkArgument(!Strings.isNullOrEmpty(network.networkId()), ERR_NULL_NETWORK_ID); |
| |
| k8sNetworkStore.createNetwork(network); |
| |
| log.info(String.format(MSG_NETWORK, network.name(), MSG_CREATED)); |
| } |
| |
| @Override |
| public void updateNetwork(K8sNetwork network) { |
| checkNotNull(network, ERR_NULL_NETWORK); |
| checkArgument(!Strings.isNullOrEmpty(network.networkId()), ERR_NULL_NETWORK_ID); |
| |
| k8sNetworkStore.updateNetwork(network); |
| |
| log.info(String.format(MSG_NETWORK, network.networkId(), MSG_UPDATED)); |
| } |
| |
| @Override |
| public void removeNetwork(String networkId) { |
| checkArgument(!Strings.isNullOrEmpty(networkId), ERR_NULL_NETWORK_ID); |
| |
| synchronized (this) { |
| if (isNetworkInUse(networkId)) { |
| final String error = String.format(MSG_NETWORK, networkId, ERR_IN_USE); |
| throw new IllegalStateException(error); |
| } |
| K8sNetwork network = k8sNetworkStore.removeNetwork(networkId); |
| |
| if (network != null) { |
| log.info(String.format(MSG_NETWORK, network.name(), MSG_REMOVED)); |
| } |
| } |
| } |
| |
| @Override |
| public K8sNetwork network(String networkId) { |
| checkArgument(!Strings.isNullOrEmpty(networkId), ERR_NULL_NETWORK_ID); |
| return k8sNetworkStore.network(networkId); |
| } |
| |
| @Override |
| public Set<K8sNetwork> networks() { |
| return ImmutableSet.copyOf(k8sNetworkStore.networks()); |
| } |
| |
| @Override |
| public Set<K8sNetwork> networks(Type type) { |
| return ImmutableSet.copyOf(k8sNetworkStore.networks().stream() |
| .filter(n -> n.type() == type).collect(Collectors.toSet())); |
| } |
| |
| @Override |
| public void createPort(K8sPort port) { |
| checkNotNull(port, ERR_NULL_PORT); |
| checkArgument(!Strings.isNullOrEmpty(port.portId()), ERR_NULL_PORT_ID); |
| checkArgument(!Strings.isNullOrEmpty(port.networkId()), ERR_NULL_PORT_NET_ID); |
| |
| k8sNetworkStore.createPort(port); |
| log.info(String.format(MSG_PORT, port.portId(), MSG_CREATED)); |
| } |
| |
| @Override |
| public void updatePort(K8sPort port) { |
| checkNotNull(port, ERR_NULL_PORT); |
| checkArgument(!Strings.isNullOrEmpty(port.portId()), ERR_NULL_PORT_ID); |
| checkArgument(!Strings.isNullOrEmpty(port.networkId()), ERR_NULL_PORT_NET_ID); |
| |
| k8sNetworkStore.updatePort(port); |
| log.info(String.format(MSG_PORT, port.portId(), MSG_UPDATED)); |
| } |
| |
| @Override |
| public void removePort(String portId) { |
| checkArgument(!Strings.isNullOrEmpty(portId), ERR_NULL_PORT_ID); |
| synchronized (this) { |
| if (isPortInUse(portId)) { |
| final String error = String.format(MSG_PORT, portId, ERR_IN_USE); |
| throw new IllegalStateException(error); |
| } |
| K8sPort port = k8sNetworkStore.removePort(portId); |
| if (port != null) { |
| log.info(String.format(MSG_PORT, port.portId(), MSG_REMOVED)); |
| } |
| } |
| } |
| |
| @Override |
| public K8sPort port(String portId) { |
| checkArgument(!Strings.isNullOrEmpty(portId), ERR_NULL_PORT_ID); |
| return k8sNetworkStore.port(portId); |
| } |
| |
| @Override |
| public Set<K8sPort> ports() { |
| return ImmutableSet.copyOf(k8sNetworkStore.ports()); |
| } |
| |
| @Override |
| public Set<K8sPort> ports(State state) { |
| return ImmutableSet.copyOf(k8sNetworkStore.ports().stream() |
| .filter(p -> p.state() == state).collect(Collectors.toSet())); |
| } |
| |
| @Override |
| public Set<K8sPort> ports(String networkId) { |
| checkArgument(!Strings.isNullOrEmpty(networkId), ERR_NULL_PORT_NET_ID); |
| return ImmutableSet.copyOf(k8sNetworkStore.ports().stream() |
| .filter(p -> p.networkId().equals(networkId)) |
| .collect(Collectors.toSet())); |
| } |
| |
| @Override |
| public void clear() { |
| k8sNetworkStore.clear(); |
| } |
| |
| private boolean isNetworkInUse(String networkId) { |
| return !ports(networkId).isEmpty(); |
| } |
| |
| private boolean isPortInUse(String portId) { |
| return false; |
| } |
| |
| private class InternalNetworkStorageDelegate implements K8sNetworkStoreDelegate { |
| |
| @Override |
| public void notify(K8sNetworkEvent event) { |
| if (event != null) { |
| log.trace("send kubernetes networking event {}", event); |
| process(event); |
| } |
| } |
| } |
| } |