| /* |
| * 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.k8snode.impl; |
| |
| import com.google.common.base.Strings; |
| import com.google.common.collect.ImmutableSet; |
| import org.onlab.util.Tools; |
| import org.onosproject.cluster.ClusterService; |
| import org.onosproject.cluster.LeadershipService; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.event.ListenerRegistry; |
| import org.onosproject.k8snode.api.K8sNode; |
| import org.onosproject.k8snode.api.K8sNode.Type; |
| import org.onosproject.k8snode.api.K8sNodeAdminService; |
| import org.onosproject.k8snode.api.K8sNodeEvent; |
| import org.onosproject.k8snode.api.K8sNodeListener; |
| import org.onosproject.k8snode.api.K8sNodeService; |
| import org.onosproject.k8snode.api.K8sNodeStore; |
| import org.onosproject.k8snode.api.K8sNodeStoreDelegate; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.store.service.StorageService; |
| import org.osgi.service.component.ComponentContext; |
| 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.Modified; |
| import org.osgi.service.component.annotations.Reference; |
| import org.osgi.service.component.annotations.ReferenceCardinality; |
| import org.slf4j.Logger; |
| |
| import java.util.Dictionary; |
| import java.util.Objects; |
| import java.util.Set; |
| import java.util.concurrent.ExecutorService; |
| import java.util.stream.Collectors; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| import static org.onlab.util.Tools.groupedThreads; |
| import static org.onosproject.k8snode.api.K8sNodeState.COMPLETE; |
| import static org.onosproject.k8snode.impl.OsgiPropertyConstants.OVSDB_PORT; |
| import static org.onosproject.k8snode.impl.OsgiPropertyConstants.OVSDB_PORT_NUM_DEFAULT; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Service administering the inventory of kubernetes nodes. |
| */ |
| @Component( |
| immediate = true, |
| service = { K8sNodeService.class, K8sNodeAdminService.class }, |
| property = { |
| OVSDB_PORT + ":Integer=" + OVSDB_PORT_NUM_DEFAULT |
| } |
| ) |
| public class K8sNodeManager |
| extends ListenerRegistry<K8sNodeEvent, K8sNodeListener> |
| implements K8sNodeService, K8sNodeAdminService { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| private static final String MSG_NODE = "Kubernetes node %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_NODE = "Kubernetes node cannot be null"; |
| private static final String ERR_NULL_HOSTNAME = "Kubernetes node hostname cannot be null"; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected K8sNodeStore nodeStore; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected ClusterService clusterService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected LeadershipService leadershipService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected StorageService storageService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected DeviceService deviceService; |
| |
| /** OVSDB server listen port. */ |
| private int ovsdbPortNum = OVSDB_PORT_NUM_DEFAULT; |
| |
| private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
| |
| private final K8sNodeStoreDelegate delegate = new K8sNodeManager.InternalNodeStoreDelegate(); |
| |
| private ApplicationId appId; |
| |
| @Activate |
| protected void activate() { |
| appId = coreService.registerApplication(APP_ID); |
| nodeStore.setDelegate(delegate); |
| |
| leadershipService.runForLeadership(appId.name()); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| nodeStore.unsetDelegate(delegate); |
| |
| leadershipService.withdraw(appId.name()); |
| eventExecutor.shutdown(); |
| |
| log.info("Stopped"); |
| } |
| |
| @Modified |
| protected void modified(ComponentContext context) { |
| Dictionary<?, ?> properties = context.getProperties(); |
| int updatedOvsdbPort = Tools.getIntegerProperty(properties, OVSDB_PORT); |
| if (!Objects.equals(updatedOvsdbPort, ovsdbPortNum)) { |
| ovsdbPortNum = updatedOvsdbPort; |
| } |
| |
| log.info("Modified"); |
| } |
| |
| @Override |
| public void createNode(K8sNode node) { |
| checkNotNull(node, ERR_NULL_NODE); |
| nodeStore.createNode(node); |
| log.info(String.format(MSG_NODE, node.hostname(), MSG_CREATED)); |
| } |
| |
| @Override |
| public void updateNode(K8sNode node) { |
| checkNotNull(node, ERR_NULL_NODE); |
| nodeStore.updateNode(node); |
| log.info(String.format(MSG_NODE, node.hostname(), MSG_UPDATED)); |
| } |
| |
| @Override |
| public K8sNode removeNode(String hostname) { |
| checkArgument(!Strings.isNullOrEmpty(hostname), ERR_NULL_HOSTNAME); |
| K8sNode node = nodeStore.removeNode(hostname); |
| log.info(String.format(MSG_NODE, hostname, MSG_REMOVED)); |
| return node; |
| } |
| |
| @Override |
| public Set<K8sNode> nodes() { |
| return nodeStore.nodes(); |
| } |
| |
| @Override |
| public Set<K8sNode> nodes(Type type) { |
| Set<K8sNode> nodes = nodeStore.nodes().stream() |
| .filter(node -> Objects.equals(node.type(), type)) |
| .collect(Collectors.toSet()); |
| return ImmutableSet.copyOf(nodes); |
| } |
| |
| @Override |
| public Set<K8sNode> completeNodes() { |
| Set<K8sNode> nodes = nodeStore.nodes().stream() |
| .filter(node -> node.state() == COMPLETE) |
| .collect(Collectors.toSet()); |
| return ImmutableSet.copyOf(nodes); |
| } |
| |
| @Override |
| public Set<K8sNode> completeNodes(Type type) { |
| Set<K8sNode> nodes = nodeStore.nodes().stream() |
| .filter(node -> node.type() == type && |
| node.state() == COMPLETE) |
| .collect(Collectors.toSet()); |
| return ImmutableSet.copyOf(nodes); |
| } |
| |
| @Override |
| public K8sNode node(String hostname) { |
| return nodeStore.node(hostname); |
| } |
| |
| @Override |
| public K8sNode node(DeviceId deviceId) { |
| return nodeStore.nodes().stream() |
| .filter(node -> Objects.equals(node.intgBridge(), deviceId) || |
| Objects.equals(node.ovsdb(), deviceId)) |
| .findFirst().orElse(null); |
| } |
| |
| private class InternalNodeStoreDelegate implements K8sNodeStoreDelegate { |
| |
| @Override |
| public void notify(K8sNodeEvent event) { |
| if (event != null) { |
| log.trace("send kubernetes node event {}", event); |
| process(event); |
| } |
| } |
| } |
| } |