Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014 Open Networking Laboratory |
| 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 | */ |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 16 | package org.onosproject.cluster.impl; |
tom | e472987 | 2014-09-23 00:37:37 -0700 | [diff] [blame] | 17 | |
| 18 | import org.apache.felix.scr.annotations.Activate; |
| 19 | import org.apache.felix.scr.annotations.Component; |
| 20 | import org.apache.felix.scr.annotations.Deactivate; |
| 21 | import org.apache.felix.scr.annotations.Reference; |
| 22 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 23 | import org.apache.felix.scr.annotations.Service; |
Thomas Vachuska | de563cf | 2015-04-01 00:28:50 -0700 | [diff] [blame] | 24 | import org.apache.karaf.system.SystemService; |
Madan Jampani | 7d2fab2 | 2015-03-18 17:21:57 -0700 | [diff] [blame] | 25 | import org.joda.time.DateTime; |
| 26 | import org.onlab.packet.IpAddress; |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 27 | import org.onosproject.cluster.ClusterAdminService; |
| 28 | import org.onosproject.cluster.ClusterEvent; |
| 29 | import org.onosproject.cluster.ClusterEventListener; |
| 30 | import org.onosproject.cluster.ClusterService; |
| 31 | import org.onosproject.cluster.ClusterStore; |
| 32 | import org.onosproject.cluster.ClusterStoreDelegate; |
| 33 | import org.onosproject.cluster.ControllerNode; |
| 34 | import org.onosproject.cluster.NodeId; |
| 35 | import org.onosproject.event.AbstractListenerRegistry; |
| 36 | import org.onosproject.event.EventDeliveryService; |
tom | e472987 | 2014-09-23 00:37:37 -0700 | [diff] [blame] | 37 | import org.slf4j.Logger; |
| 38 | |
Thomas Vachuska | de563cf | 2015-04-01 00:28:50 -0700 | [diff] [blame] | 39 | import java.util.Set; |
| 40 | |
| 41 | import static com.google.common.base.Preconditions.checkArgument; |
| 42 | import static com.google.common.base.Preconditions.checkNotNull; |
| 43 | import static org.slf4j.LoggerFactory.getLogger; |
| 44 | |
tom | e472987 | 2014-09-23 00:37:37 -0700 | [diff] [blame] | 45 | /** |
| 46 | * Implementation of the cluster service. |
| 47 | */ |
Madan Jampani | dd6479f | 2015-03-02 02:23:44 +0000 | [diff] [blame] | 48 | @Component(immediate = true) |
tom | e472987 | 2014-09-23 00:37:37 -0700 | [diff] [blame] | 49 | @Service |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 50 | public class ClusterManager implements ClusterService, ClusterAdminService { |
tom | e472987 | 2014-09-23 00:37:37 -0700 | [diff] [blame] | 51 | |
| 52 | public static final String INSTANCE_ID_NULL = "Instance ID cannot be null"; |
| 53 | private final Logger log = getLogger(getClass()); |
| 54 | |
tom | 0755a36 | 2014-09-24 11:54:43 -0700 | [diff] [blame] | 55 | private ClusterStoreDelegate delegate = new InternalStoreDelegate(); |
| 56 | |
tom | e472987 | 2014-09-23 00:37:37 -0700 | [diff] [blame] | 57 | protected final AbstractListenerRegistry<ClusterEvent, ClusterEventListener> |
| 58 | listenerRegistry = new AbstractListenerRegistry<>(); |
| 59 | |
| 60 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 61 | protected ClusterStore store; |
| 62 | |
| 63 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 64 | protected EventDeliveryService eventDispatcher; |
| 65 | |
Thomas Vachuska | de563cf | 2015-04-01 00:28:50 -0700 | [diff] [blame] | 66 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 67 | protected SystemService systemService; |
| 68 | |
tom | e472987 | 2014-09-23 00:37:37 -0700 | [diff] [blame] | 69 | @Activate |
| 70 | public void activate() { |
tom | 0755a36 | 2014-09-24 11:54:43 -0700 | [diff] [blame] | 71 | store.setDelegate(delegate); |
tom | e472987 | 2014-09-23 00:37:37 -0700 | [diff] [blame] | 72 | eventDispatcher.addSink(ClusterEvent.class, listenerRegistry); |
| 73 | log.info("Started"); |
| 74 | } |
| 75 | |
| 76 | @Deactivate |
| 77 | public void deactivate() { |
tom | f80c972 | 2014-09-24 14:49:18 -0700 | [diff] [blame] | 78 | store.unsetDelegate(delegate); |
tom | e472987 | 2014-09-23 00:37:37 -0700 | [diff] [blame] | 79 | eventDispatcher.removeSink(ClusterEvent.class); |
| 80 | log.info("Stopped"); |
| 81 | } |
| 82 | |
| 83 | @Override |
| 84 | public ControllerNode getLocalNode() { |
| 85 | return store.getLocalNode(); |
| 86 | } |
| 87 | |
| 88 | @Override |
| 89 | public Set<ControllerNode> getNodes() { |
| 90 | return store.getNodes(); |
| 91 | } |
| 92 | |
| 93 | @Override |
| 94 | public ControllerNode getNode(NodeId nodeId) { |
| 95 | checkNotNull(nodeId, INSTANCE_ID_NULL); |
| 96 | return store.getNode(nodeId); |
| 97 | } |
| 98 | |
| 99 | @Override |
| 100 | public ControllerNode.State getState(NodeId nodeId) { |
| 101 | checkNotNull(nodeId, INSTANCE_ID_NULL); |
| 102 | return store.getState(nodeId); |
| 103 | } |
| 104 | |
Madan Jampani | 7d2fab2 | 2015-03-18 17:21:57 -0700 | [diff] [blame] | 105 | |
| 106 | @Override |
| 107 | public DateTime getLastUpdated(NodeId nodeId) { |
| 108 | return store.getLastUpdated(nodeId); |
| 109 | } |
| 110 | |
tom | e472987 | 2014-09-23 00:37:37 -0700 | [diff] [blame] | 111 | @Override |
Thomas Vachuska | de563cf | 2015-04-01 00:28:50 -0700 | [diff] [blame] | 112 | public void formCluster(Set<ControllerNode> nodes, String ipPrefix) { |
| 113 | checkNotNull(nodes, "Nodes cannot be null"); |
| 114 | checkArgument(!nodes.isEmpty(), "Nodes cannot be empty"); |
| 115 | checkNotNull(ipPrefix, "IP prefix cannot be null"); |
| 116 | store.formCluster(nodes, ipPrefix); |
| 117 | try { |
| 118 | log.warn("Shutting down container for cluster reconfiguration!"); |
| 119 | systemService.reboot("now", SystemService.Swipe.NONE); |
| 120 | } catch (Exception e) { |
| 121 | log.error("Unable to reboot container", e); |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | @Override |
Pavlin Radoslavov | 444b519 | 2014-10-28 10:45:19 -0700 | [diff] [blame] | 126 | public ControllerNode addNode(NodeId nodeId, IpAddress ip, int tcpPort) { |
tom | ee49c37 | 2014-09-26 15:14:50 -0700 | [diff] [blame] | 127 | checkNotNull(nodeId, INSTANCE_ID_NULL); |
| 128 | checkNotNull(ip, "IP address cannot be null"); |
| 129 | checkArgument(tcpPort > 5000, "TCP port must be > 5000"); |
| 130 | return store.addNode(nodeId, ip, tcpPort); |
| 131 | } |
| 132 | |
| 133 | @Override |
tom | b41d1ac | 2014-09-24 01:51:24 -0700 | [diff] [blame] | 134 | public void removeNode(NodeId nodeId) { |
| 135 | checkNotNull(nodeId, INSTANCE_ID_NULL); |
| 136 | store.removeNode(nodeId); |
| 137 | } |
| 138 | |
| 139 | @Override |
tom | e472987 | 2014-09-23 00:37:37 -0700 | [diff] [blame] | 140 | public void addListener(ClusterEventListener listener) { |
| 141 | listenerRegistry.addListener(listener); |
| 142 | } |
| 143 | |
| 144 | @Override |
| 145 | public void removeListener(ClusterEventListener listener) { |
| 146 | listenerRegistry.removeListener(listener); |
| 147 | } |
tom | 0755a36 | 2014-09-24 11:54:43 -0700 | [diff] [blame] | 148 | |
| 149 | // Store delegate to re-post events emitted from the store. |
| 150 | private class InternalStoreDelegate implements ClusterStoreDelegate { |
| 151 | @Override |
| 152 | public void notify(ClusterEvent event) { |
| 153 | checkNotNull(event, "Event cannot be null"); |
| 154 | eventDispatcher.post(event); |
| 155 | } |
| 156 | } |
tom | e472987 | 2014-09-23 00:37:37 -0700 | [diff] [blame] | 157 | } |