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.base.Strings; |
| 19 | import com.google.common.collect.ImmutableSet; |
| 20 | import org.apache.felix.scr.annotations.Activate; |
| 21 | import org.apache.felix.scr.annotations.Component; |
| 22 | import org.apache.felix.scr.annotations.Deactivate; |
| 23 | import org.apache.felix.scr.annotations.Reference; |
| 24 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 25 | import org.apache.felix.scr.annotations.Service; |
| 26 | import org.onosproject.cluster.ClusterService; |
| 27 | import org.onosproject.cluster.LeadershipService; |
| 28 | import org.onosproject.cluster.NodeId; |
| 29 | import org.onosproject.core.ApplicationId; |
| 30 | import org.onosproject.core.CoreService; |
| 31 | import org.onosproject.event.ListenerRegistry; |
| 32 | import org.onosproject.net.DeviceId; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 33 | import org.onosproject.openstacknode.api.OpenstackNode; |
| 34 | import org.onosproject.openstacknode.api.OpenstackNodeAdminService; |
| 35 | import org.onosproject.openstacknode.api.OpenstackNodeEvent; |
| 36 | import org.onosproject.openstacknode.api.OpenstackNodeListener; |
| 37 | import org.onosproject.openstacknode.api.OpenstackNodeService; |
| 38 | import org.onosproject.openstacknode.api.OpenstackNodeStore; |
| 39 | import org.onosproject.openstacknode.api.OpenstackNodeStoreDelegate; |
| 40 | import org.slf4j.Logger; |
| 41 | |
| 42 | import java.util.Objects; |
| 43 | import java.util.Set; |
| 44 | import java.util.concurrent.ExecutorService; |
| 45 | import java.util.stream.Collectors; |
| 46 | |
| 47 | import static com.google.common.base.Preconditions.checkArgument; |
| 48 | import static com.google.common.base.Preconditions.checkNotNull; |
| 49 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| 50 | import static org.onlab.util.Tools.groupedThreads; |
| 51 | import static org.onosproject.openstacknode.api.NodeState.COMPLETE; |
| 52 | import static org.slf4j.LoggerFactory.getLogger; |
| 53 | |
| 54 | /** |
| 55 | * Service administering the inventory of openstack nodes. |
| 56 | */ |
| 57 | @Service |
| 58 | @Component(immediate = true) |
| 59 | public class OpenstackNodeManager extends ListenerRegistry<OpenstackNodeEvent, OpenstackNodeListener> |
| 60 | implements OpenstackNodeService, OpenstackNodeAdminService { |
| 61 | |
| 62 | protected final Logger log = getLogger(getClass()); |
| 63 | |
| 64 | private static final String MSG_NODE = "OpenStack node %s %s"; |
| 65 | private static final String MSG_CREATED = "created"; |
| 66 | private static final String MSG_UPDATED = "updated"; |
| 67 | private static final String MSG_REMOVED = "removed"; |
| 68 | |
| 69 | private static final String ERR_NULL_NODE = "OpenStack node cannot be null"; |
| 70 | private static final String ERR_NULL_HOSTNAME = "OpenStack node hostname cannot be null"; |
| 71 | |
| 72 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 73 | protected OpenstackNodeStore osNodeStore; |
| 74 | |
| 75 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 76 | protected CoreService coreService; |
| 77 | |
| 78 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 79 | protected ClusterService clusterService; |
| 80 | |
| 81 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 82 | protected LeadershipService leadershipService; |
| 83 | |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 84 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 85 | groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
| 86 | |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 87 | private final OpenstackNodeStoreDelegate delegate = new InternalNodeStoreDelegate(); |
| 88 | |
| 89 | private ApplicationId appId; |
| 90 | private NodeId localNode; |
| 91 | |
| 92 | @Activate |
| 93 | protected void activate() { |
| 94 | appId = coreService.registerApplication(APP_ID); |
| 95 | osNodeStore.setDelegate(delegate); |
| 96 | |
| 97 | localNode = clusterService.getLocalNode().id(); |
| 98 | leadershipService.runForLeadership(appId.name()); |
| 99 | |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 100 | log.info("Started"); |
| 101 | } |
| 102 | |
| 103 | @Deactivate |
| 104 | protected void deactivate() { |
| 105 | osNodeStore.unsetDelegate(delegate); |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 106 | |
| 107 | leadershipService.withdraw(appId.name()); |
| 108 | eventExecutor.shutdown(); |
| 109 | |
| 110 | log.info("Stopped"); |
| 111 | } |
| 112 | |
| 113 | @Override |
| 114 | public void createNode(OpenstackNode osNode) { |
| 115 | checkNotNull(osNode, ERR_NULL_NODE); |
| 116 | osNodeStore.createNode(osNode); |
| 117 | log.info(String.format(MSG_NODE, osNode.hostname(), MSG_CREATED)); |
| 118 | } |
| 119 | |
| 120 | @Override |
| 121 | public void updateNode(OpenstackNode osNode) { |
| 122 | checkNotNull(osNode, ERR_NULL_NODE); |
| 123 | osNodeStore.updateNode(osNode); |
| 124 | log.info(String.format(MSG_NODE, osNode.hostname(), MSG_UPDATED)); |
| 125 | } |
| 126 | |
| 127 | @Override |
| 128 | public OpenstackNode removeNode(String hostname) { |
| 129 | checkArgument(!Strings.isNullOrEmpty(hostname), ERR_NULL_HOSTNAME); |
| 130 | OpenstackNode osNode = osNodeStore.removeNode(hostname); |
| 131 | log.info(String.format(MSG_NODE, hostname, MSG_REMOVED)); |
| 132 | return osNode; |
| 133 | } |
| 134 | |
| 135 | @Override |
| 136 | public Set<OpenstackNode> nodes() { |
| 137 | return osNodeStore.nodes(); |
| 138 | } |
| 139 | |
| 140 | @Override |
| 141 | public Set<OpenstackNode> nodes(OpenstackNode.NodeType type) { |
| 142 | Set<OpenstackNode> osNodes = osNodeStore.nodes().stream() |
| 143 | .filter(osNode -> Objects.equals(osNode.type(), type)) |
| 144 | .collect(Collectors.toSet()); |
| 145 | return ImmutableSet.copyOf(osNodes); |
| 146 | } |
| 147 | |
| 148 | @Override |
| 149 | public Set<OpenstackNode> completeNodes() { |
| 150 | Set<OpenstackNode> osNodes = osNodeStore.nodes().stream() |
| 151 | .filter(osNode -> Objects.equals(osNode.state(), COMPLETE)) |
| 152 | .collect(Collectors.toSet()); |
| 153 | return ImmutableSet.copyOf(osNodes); |
| 154 | } |
| 155 | |
| 156 | @Override |
| 157 | public Set<OpenstackNode> completeNodes(OpenstackNode.NodeType type) { |
| 158 | Set<OpenstackNode> osNodes = osNodeStore.nodes().stream() |
| 159 | .filter(osNode -> osNode.type() == type && |
| 160 | Objects.equals(osNode.state(), COMPLETE)) |
| 161 | .collect(Collectors.toSet()); |
| 162 | return ImmutableSet.copyOf(osNodes); |
| 163 | } |
| 164 | |
| 165 | @Override |
| 166 | public OpenstackNode node(String hostname) { |
| 167 | return osNodeStore.node(hostname); |
| 168 | } |
| 169 | |
| 170 | @Override |
| 171 | public OpenstackNode node(DeviceId deviceId) { |
| 172 | OpenstackNode result = osNodeStore.nodes().stream() |
| 173 | .filter(osNode -> Objects.equals(osNode.intgBridge(), deviceId) || |
| 174 | Objects.equals(osNode.ovsdb(), deviceId) || |
| 175 | Objects.equals(osNode.routerBridge(), deviceId)) |
| 176 | .findFirst().orElse(null); |
| 177 | return result; |
| 178 | } |
| 179 | |
| 180 | private class InternalNodeStoreDelegate implements OpenstackNodeStoreDelegate { |
| 181 | |
| 182 | @Override |
| 183 | public void notify(OpenstackNodeEvent event) { |
| 184 | if (event != null) { |
| 185 | log.trace("send openstack node event {}", event); |
| 186 | process(event); |
| 187 | } |
| 188 | } |
| 189 | } |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 190 | } |