Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2017-present Open Networking Foundation |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.openstacknode.impl; |
| 17 | |
| 18 | import com.google.common.collect.ImmutableSet; |
| 19 | import org.apache.felix.scr.annotations.Activate; |
| 20 | import org.apache.felix.scr.annotations.Component; |
| 21 | import org.apache.felix.scr.annotations.Deactivate; |
| 22 | import org.apache.felix.scr.annotations.Reference; |
| 23 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 24 | import org.apache.felix.scr.annotations.Service; |
| 25 | import org.onlab.util.KryoNamespace; |
| 26 | import org.onosproject.core.ApplicationId; |
| 27 | import org.onosproject.core.CoreService; |
Jian Li | 5a38ab6 | 2018-07-02 22:34:11 +0900 | [diff] [blame^] | 28 | import org.onosproject.openstacknode.api.DefaultOpenstackNode; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 29 | import org.onosproject.openstacknode.api.NodeState; |
| 30 | import org.onosproject.openstacknode.api.OpenstackNode; |
| 31 | import org.onosproject.openstacknode.api.OpenstackNodeEvent; |
| 32 | import org.onosproject.openstacknode.api.OpenstackNodeStore; |
| 33 | import org.onosproject.openstacknode.api.OpenstackNodeStoreDelegate; |
Jian Li | e631216 | 2018-03-21 21:41:00 +0900 | [diff] [blame] | 34 | import org.onosproject.openstacknode.api.OpenstackPhyInterface; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 35 | import org.onosproject.store.AbstractStore; |
| 36 | import org.onosproject.store.serializers.KryoNamespaces; |
| 37 | import org.onosproject.store.service.ConsistentMap; |
| 38 | import org.onosproject.store.service.MapEvent; |
| 39 | import org.onosproject.store.service.MapEventListener; |
| 40 | import org.onosproject.store.service.Serializer; |
| 41 | import org.onosproject.store.service.StorageService; |
| 42 | import org.onosproject.store.service.Versioned; |
| 43 | import org.slf4j.Logger; |
| 44 | |
Jian Li | e631216 | 2018-03-21 21:41:00 +0900 | [diff] [blame] | 45 | import java.util.Collection; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 46 | import java.util.Set; |
| 47 | import java.util.concurrent.ExecutorService; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 48 | |
| 49 | import static com.google.common.base.Preconditions.checkArgument; |
| 50 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| 51 | import static org.onlab.util.Tools.groupedThreads; |
| 52 | import static org.onosproject.openstacknode.api.NodeState.COMPLETE; |
| 53 | import static org.onosproject.openstacknode.api.NodeState.INCOMPLETE; |
Jian Li | 2784166 | 2018-04-14 01:59:47 +0900 | [diff] [blame] | 54 | import static org.onosproject.openstacknode.api.OpenstackNode.NodeType.CONTROLLER; |
Jian Li | 5afbea4 | 2018-02-28 10:37:03 +0900 | [diff] [blame] | 55 | import static org.onosproject.openstacknode.api.OpenstackNodeEvent.Type.OPENSTACK_NODE_COMPLETE; |
| 56 | import static org.onosproject.openstacknode.api.OpenstackNodeEvent.Type.OPENSTACK_NODE_CREATED; |
| 57 | import static org.onosproject.openstacknode.api.OpenstackNodeEvent.Type.OPENSTACK_NODE_INCOMPLETE; |
| 58 | import static org.onosproject.openstacknode.api.OpenstackNodeEvent.Type.OPENSTACK_NODE_REMOVED; |
| 59 | import static org.onosproject.openstacknode.api.OpenstackNodeEvent.Type.OPENSTACK_NODE_UPDATED; |
Jian Li | 2784166 | 2018-04-14 01:59:47 +0900 | [diff] [blame] | 60 | import static org.onosproject.store.service.MapEvent.Type.INSERT; |
| 61 | import static org.onosproject.store.service.MapEvent.Type.UPDATE; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 62 | import static org.slf4j.LoggerFactory.getLogger; |
| 63 | |
| 64 | /** |
| 65 | * Implementation of openstack node store using consistent map. |
| 66 | */ |
| 67 | @Service |
| 68 | @Component(immediate = true) |
| 69 | public class DistributedOpenstackNodeStore |
| 70 | extends AbstractStore<OpenstackNodeEvent, OpenstackNodeStoreDelegate> |
| 71 | implements OpenstackNodeStore { |
| 72 | |
Jian Li | 5afbea4 | 2018-02-28 10:37:03 +0900 | [diff] [blame] | 73 | private final Logger log = getLogger(getClass()); |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 74 | |
| 75 | private static final String ERR_NOT_FOUND = " does not exist"; |
| 76 | private static final String ERR_DUPLICATE = " already exists"; |
| 77 | |
| 78 | private static final KryoNamespace SERIALIZER_OPENSTACK_NODE = KryoNamespace.newBuilder() |
| 79 | .register(KryoNamespaces.API) |
| 80 | .register(OpenstackNode.class) |
| 81 | .register(DefaultOpenstackNode.class) |
| 82 | .register(OpenstackNode.NodeType.class) |
| 83 | .register(NodeState.class) |
Jian Li | e631216 | 2018-03-21 21:41:00 +0900 | [diff] [blame] | 84 | .register(OpenstackPhyInterface.class) |
| 85 | .register(DefaultOpenstackPhyInterface.class) |
Jian Li | 2784166 | 2018-04-14 01:59:47 +0900 | [diff] [blame] | 86 | .register(DefaultOpenstackAuth.class) |
| 87 | .register(DefaultOpenstackAuth.Perspective.class) |
| 88 | .register(DefaultOpenstackAuth.Protocol.class) |
Jian Li | e631216 | 2018-03-21 21:41:00 +0900 | [diff] [blame] | 89 | .register(Collection.class) |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 90 | .build(); |
| 91 | |
| 92 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 93 | protected CoreService coreService; |
| 94 | |
| 95 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 96 | protected StorageService storageService; |
| 97 | |
| 98 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 99 | groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
| 100 | |
| 101 | private final MapEventListener<String, OpenstackNode> osNodeMapListener = |
| 102 | new OpenstackNodeMapListener(); |
| 103 | private ConsistentMap<String, OpenstackNode> osNodeStore; |
| 104 | |
| 105 | @Activate |
| 106 | protected void activate() { |
| 107 | ApplicationId appId = coreService.registerApplication("org.onosproject.openstacknode"); |
| 108 | osNodeStore = storageService.<String, OpenstackNode>consistentMapBuilder() |
| 109 | .withSerializer(Serializer.using(SERIALIZER_OPENSTACK_NODE)) |
| 110 | .withName("openstack-nodestore") |
| 111 | .withApplicationId(appId) |
| 112 | .build(); |
| 113 | osNodeStore.addListener(osNodeMapListener); |
| 114 | log.info("Started"); |
| 115 | } |
| 116 | |
| 117 | @Deactivate |
| 118 | protected void deactivate() { |
| 119 | osNodeStore.removeListener(osNodeMapListener); |
| 120 | eventExecutor.shutdown(); |
| 121 | log.info("Stopped"); |
| 122 | } |
| 123 | |
| 124 | @Override |
| 125 | public void createNode(OpenstackNode osNode) { |
| 126 | osNodeStore.compute(osNode.hostname(), (hostname, existing) -> { |
| 127 | final String error = osNode.hostname() + ERR_DUPLICATE; |
| 128 | checkArgument(existing == null, error); |
| 129 | return osNode; |
| 130 | }); |
| 131 | } |
| 132 | |
| 133 | @Override |
| 134 | public void updateNode(OpenstackNode osNode) { |
| 135 | osNodeStore.compute(osNode.hostname(), (hostname, existing) -> { |
| 136 | final String error = osNode.hostname() + ERR_NOT_FOUND; |
| 137 | checkArgument(existing != null, error); |
| 138 | return osNode; |
| 139 | }); |
| 140 | } |
| 141 | |
| 142 | @Override |
| 143 | public OpenstackNode removeNode(String hostname) { |
| 144 | Versioned<OpenstackNode> osNode = osNodeStore.remove(hostname); |
| 145 | if (osNode == null) { |
| 146 | final String error = hostname + ERR_NOT_FOUND; |
| 147 | throw new IllegalArgumentException(error); |
| 148 | } |
| 149 | return osNode.value(); |
| 150 | } |
| 151 | |
| 152 | @Override |
| 153 | public Set<OpenstackNode> nodes() { |
Jian Li | 78885a2 | 2018-03-02 11:33:02 +0900 | [diff] [blame] | 154 | return ImmutableSet.copyOf(osNodeStore.asJavaMap().values()); |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 155 | } |
| 156 | |
| 157 | @Override |
| 158 | public OpenstackNode node(String hostname) { |
Jian Li | 78885a2 | 2018-03-02 11:33:02 +0900 | [diff] [blame] | 159 | return osNodeStore.asJavaMap().get(hostname); |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 160 | } |
| 161 | |
Jian Li | 340165f | 2018-02-27 10:38:17 +0900 | [diff] [blame] | 162 | /** |
| 163 | * An internal openstack node map listener. |
| 164 | */ |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 165 | private class OpenstackNodeMapListener implements MapEventListener<String, OpenstackNode> { |
| 166 | |
| 167 | @Override |
| 168 | public void event(MapEvent<String, OpenstackNode> event) { |
Jian Li | 2784166 | 2018-04-14 01:59:47 +0900 | [diff] [blame] | 169 | |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 170 | switch (event.type()) { |
| 171 | case INSERT: |
| 172 | log.debug("OpenStack node created {}", event.newValue()); |
Jian Li | 5afbea4 | 2018-02-28 10:37:03 +0900 | [diff] [blame] | 173 | eventExecutor.execute(() -> |
| 174 | notifyDelegate(new OpenstackNodeEvent( |
| 175 | OPENSTACK_NODE_CREATED, event.newValue().value() |
| 176 | ))); |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 177 | break; |
| 178 | case UPDATE: |
| 179 | log.debug("OpenStack node updated {}", event.newValue()); |
| 180 | eventExecutor.execute(() -> { |
| 181 | notifyDelegate(new OpenstackNodeEvent( |
| 182 | OPENSTACK_NODE_UPDATED, |
| 183 | event.newValue().value() |
| 184 | )); |
Jian Li | 51b844c | 2018-05-31 10:59:03 +0900 | [diff] [blame] | 185 | |
| 186 | // if the event is about controller node, we will not |
| 187 | // process COMPLETE and INCOMPLETE state |
| 188 | if (isControllerNode(event)) { |
| 189 | return; |
| 190 | } |
| 191 | |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 192 | if (event.newValue().value().state() == COMPLETE) { |
| 193 | notifyDelegate(new OpenstackNodeEvent( |
| 194 | OPENSTACK_NODE_COMPLETE, |
| 195 | event.newValue().value() |
| 196 | )); |
| 197 | } else if (event.newValue().value().state() == INCOMPLETE) { |
| 198 | notifyDelegate(new OpenstackNodeEvent( |
| 199 | OPENSTACK_NODE_INCOMPLETE, |
| 200 | event.newValue().value() |
| 201 | )); |
| 202 | } |
| 203 | }); |
| 204 | break; |
| 205 | case REMOVE: |
| 206 | log.debug("OpenStack node removed {}", event.oldValue()); |
Jian Li | 5afbea4 | 2018-02-28 10:37:03 +0900 | [diff] [blame] | 207 | eventExecutor.execute(() -> |
| 208 | notifyDelegate(new OpenstackNodeEvent( |
| 209 | OPENSTACK_NODE_REMOVED, event.oldValue().value() |
| 210 | ))); |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 211 | break; |
| 212 | default: |
| 213 | // do nothing |
| 214 | break; |
| 215 | } |
| 216 | } |
Jian Li | 51b844c | 2018-05-31 10:59:03 +0900 | [diff] [blame] | 217 | |
| 218 | /** |
| 219 | * Checks the openstack node whether a controller node or not with |
| 220 | * the given MapEvent. |
| 221 | * |
| 222 | * @param event map event |
| 223 | * @return controller node indicator flag |
| 224 | */ |
| 225 | private boolean isControllerNode(MapEvent<String, OpenstackNode> event) { |
| 226 | |
| 227 | OpenstackNode node; |
| 228 | |
| 229 | if (event.type() == INSERT || event.type() == UPDATE) { |
| 230 | node = event.newValue().value(); |
| 231 | } else { |
| 232 | node = event.oldValue().value(); |
| 233 | } |
| 234 | |
| 235 | return node.type() == CONTROLLER; |
| 236 | } |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 237 | } |
| 238 | } |