Madan Jampani | ab7e7cd | 2016-01-14 14:02:32 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015-2016 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 | */ |
Madan Jampani | ec1df02 | 2015-10-13 21:23:03 -0700 | [diff] [blame] | 16 | package org.onosproject.cluster.impl; |
| 17 | |
| 18 | import static com.google.common.base.Preconditions.checkNotNull; |
| 19 | import static org.slf4j.LoggerFactory.getLogger; |
| 20 | |
| 21 | import java.net.InetAddress; |
Madan Jampani | f172d40 | 2016-03-04 00:56:38 -0800 | [diff] [blame] | 22 | import java.net.MalformedURLException; |
Madan Jampani | ec1df02 | 2015-10-13 21:23:03 -0700 | [diff] [blame] | 23 | import java.net.NetworkInterface; |
| 24 | import java.net.SocketException; |
Madan Jampani | f172d40 | 2016-03-04 00:56:38 -0800 | [diff] [blame] | 25 | import java.net.URL; |
Madan Jampani | ec1df02 | 2015-10-13 21:23:03 -0700 | [diff] [blame] | 26 | import java.util.Collection; |
| 27 | import java.util.Enumeration; |
| 28 | |
| 29 | import org.apache.felix.scr.annotations.Activate; |
| 30 | import org.apache.felix.scr.annotations.Component; |
| 31 | import org.apache.felix.scr.annotations.Deactivate; |
Madan Jampani | ec1df02 | 2015-10-13 21:23:03 -0700 | [diff] [blame] | 32 | import org.apache.felix.scr.annotations.Service; |
| 33 | import org.onlab.packet.IpAddress; |
| 34 | import org.onosproject.cluster.ClusterMetadata; |
Madan Jampani | ab7e7cd | 2016-01-14 14:02:32 -0800 | [diff] [blame] | 35 | import org.onosproject.cluster.ClusterMetadataAdminService; |
Madan Jampani | ec1df02 | 2015-10-13 21:23:03 -0700 | [diff] [blame] | 36 | import org.onosproject.cluster.ClusterMetadataEvent; |
| 37 | import org.onosproject.cluster.ClusterMetadataEventListener; |
Madan Jampani | ad3c526 | 2016-01-20 00:50:17 -0800 | [diff] [blame] | 38 | import org.onosproject.cluster.ClusterMetadataProvider; |
| 39 | import org.onosproject.cluster.ClusterMetadataProviderRegistry; |
| 40 | import org.onosproject.cluster.ClusterMetadataProviderService; |
Madan Jampani | ec1df02 | 2015-10-13 21:23:03 -0700 | [diff] [blame] | 41 | import org.onosproject.cluster.ClusterMetadataService; |
Madan Jampani | ec1df02 | 2015-10-13 21:23:03 -0700 | [diff] [blame] | 42 | import org.onosproject.cluster.ControllerNode; |
Madan Jampani | ad3c526 | 2016-01-20 00:50:17 -0800 | [diff] [blame] | 43 | import org.onosproject.cluster.NodeId; |
| 44 | import org.onosproject.cluster.PartitionId; |
| 45 | import org.onosproject.net.provider.AbstractListenerProviderRegistry; |
| 46 | import org.onosproject.net.provider.AbstractProviderService; |
Madan Jampani | ec1df02 | 2015-10-13 21:23:03 -0700 | [diff] [blame] | 47 | import org.onosproject.store.service.Versioned; |
| 48 | import org.slf4j.Logger; |
| 49 | |
| 50 | /** |
| 51 | * Implementation of ClusterMetadataService. |
| 52 | */ |
| 53 | @Component(immediate = true) |
| 54 | @Service |
| 55 | public class ClusterMetadataManager |
Madan Jampani | ad3c526 | 2016-01-20 00:50:17 -0800 | [diff] [blame] | 56 | extends AbstractListenerProviderRegistry<ClusterMetadataEvent, |
| 57 | ClusterMetadataEventListener, |
| 58 | ClusterMetadataProvider, |
| 59 | ClusterMetadataProviderService> |
| 60 | implements ClusterMetadataService, ClusterMetadataAdminService, ClusterMetadataProviderRegistry { |
Madan Jampani | ec1df02 | 2015-10-13 21:23:03 -0700 | [diff] [blame] | 61 | |
Madan Jampani | ec1df02 | 2015-10-13 21:23:03 -0700 | [diff] [blame] | 62 | private final Logger log = getLogger(getClass()); |
Madan Jampani | ab7e7cd | 2016-01-14 14:02:32 -0800 | [diff] [blame] | 63 | private ControllerNode localNode; |
Madan Jampani | ec1df02 | 2015-10-13 21:23:03 -0700 | [diff] [blame] | 64 | |
Madan Jampani | ec1df02 | 2015-10-13 21:23:03 -0700 | [diff] [blame] | 65 | @Activate |
| 66 | public void activate() { |
Madan Jampani | ad3c526 | 2016-01-20 00:50:17 -0800 | [diff] [blame] | 67 | // FIXME: Need to ensure all cluster metadata providers are registered before we activate |
Madan Jampani | ec1df02 | 2015-10-13 21:23:03 -0700 | [diff] [blame] | 68 | eventDispatcher.addSink(ClusterMetadataEvent.class, listenerRegistry); |
Madan Jampani | ec1df02 | 2015-10-13 21:23:03 -0700 | [diff] [blame] | 69 | log.info("Started"); |
| 70 | } |
| 71 | |
| 72 | @Deactivate |
| 73 | public void deactivate() { |
Madan Jampani | ec1df02 | 2015-10-13 21:23:03 -0700 | [diff] [blame] | 74 | eventDispatcher.removeSink(ClusterMetadataEvent.class); |
| 75 | log.info("Stopped"); |
| 76 | } |
| 77 | |
| 78 | @Override |
| 79 | public ClusterMetadata getClusterMetadata() { |
Madan Jampani | ad3c526 | 2016-01-20 00:50:17 -0800 | [diff] [blame] | 80 | Versioned<ClusterMetadata> metadata = getProvider().getClusterMetadata(); |
| 81 | return metadata.value(); |
| 82 | } |
| 83 | |
| 84 | |
| 85 | @Override |
| 86 | protected ClusterMetadataProviderService createProviderService( |
| 87 | ClusterMetadataProvider provider) { |
| 88 | return new InternalClusterMetadataProviderService(provider); |
Madan Jampani | ec1df02 | 2015-10-13 21:23:03 -0700 | [diff] [blame] | 89 | } |
| 90 | |
| 91 | @Override |
| 92 | public ControllerNode getLocalNode() { |
Madan Jampani | ad3c526 | 2016-01-20 00:50:17 -0800 | [diff] [blame] | 93 | if (localNode == null) { |
| 94 | establishSelfIdentity(); |
| 95 | } |
Madan Jampani | ec1df02 | 2015-10-13 21:23:03 -0700 | [diff] [blame] | 96 | return localNode; |
| 97 | } |
| 98 | |
| 99 | @Override |
| 100 | public void setClusterMetadata(ClusterMetadata metadata) { |
| 101 | checkNotNull(metadata, "Cluster metadata cannot be null"); |
Madan Jampani | ad3c526 | 2016-01-20 00:50:17 -0800 | [diff] [blame] | 102 | ClusterMetadataProvider primaryProvider = getPrimaryProvider(); |
| 103 | if (primaryProvider == null) { |
| 104 | throw new IllegalStateException("Missing primary provider. Cannot update cluster metadata"); |
| 105 | } |
| 106 | primaryProvider.setClusterMetadata(metadata); |
Madan Jampani | ec1df02 | 2015-10-13 21:23:03 -0700 | [diff] [blame] | 107 | } |
| 108 | |
Madan Jampani | ad3c526 | 2016-01-20 00:50:17 -0800 | [diff] [blame] | 109 | /** |
| 110 | * Returns the provider to use for fetching cluster metadata. |
| 111 | * @return cluster metadata provider |
| 112 | */ |
| 113 | private ClusterMetadataProvider getProvider() { |
| 114 | ClusterMetadataProvider primaryProvider = getPrimaryProvider(); |
| 115 | if (primaryProvider != null && primaryProvider.isAvailable()) { |
| 116 | return primaryProvider; |
| 117 | } |
| 118 | log.warn("Primary cluster metadata provider not available. Using default fallback."); |
| 119 | return getProvider("default"); |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * Returns the primary provider for cluster metadata. |
| 124 | * @return primary cluster metadata provider |
| 125 | */ |
| 126 | private ClusterMetadataProvider getPrimaryProvider() { |
Madan Jampani | f172d40 | 2016-03-04 00:56:38 -0800 | [diff] [blame] | 127 | String metadataUri = System.getProperty("onos.cluster.metadata.uri"); |
Madan Jampani | ad3c526 | 2016-01-20 00:50:17 -0800 | [diff] [blame] | 128 | try { |
Madan Jampani | f172d40 | 2016-03-04 00:56:38 -0800 | [diff] [blame] | 129 | String protocol = metadataUri == null ? null : new URL(metadataUri).getProtocol(); |
| 130 | if (protocol != null && (!protocol.equals("file") && !protocol.equals("http"))) { |
| 131 | return getProvider(protocol); |
| 132 | } |
| 133 | // file provider supports both "file" and "http" uris |
| 134 | return getProvider("file"); |
| 135 | } catch (MalformedURLException e) { |
Madan Jampani | ad3c526 | 2016-01-20 00:50:17 -0800 | [diff] [blame] | 136 | return null; |
Madan Jampani | ec1df02 | 2015-10-13 21:23:03 -0700 | [diff] [blame] | 137 | } |
| 138 | } |
| 139 | |
| 140 | private IpAddress findLocalIp(Collection<ControllerNode> controllerNodes) throws SocketException { |
| 141 | Enumeration<NetworkInterface> interfaces = |
| 142 | NetworkInterface.getNetworkInterfaces(); |
| 143 | while (interfaces.hasMoreElements()) { |
| 144 | NetworkInterface iface = interfaces.nextElement(); |
| 145 | Enumeration<InetAddress> inetAddresses = iface.getInetAddresses(); |
| 146 | while (inetAddresses.hasMoreElements()) { |
| 147 | IpAddress ip = IpAddress.valueOf(inetAddresses.nextElement()); |
| 148 | if (controllerNodes.stream() |
| 149 | .map(ControllerNode::ip) |
| 150 | .anyMatch(nodeIp -> ip.equals(nodeIp))) { |
| 151 | return ip; |
| 152 | } |
| 153 | } |
| 154 | } |
| 155 | throw new IllegalStateException("Unable to determine local ip"); |
| 156 | } |
| 157 | |
| 158 | private void establishSelfIdentity() { |
| 159 | try { |
| 160 | IpAddress ip = findLocalIp(getClusterMetadata().getNodes()); |
| 161 | localNode = getClusterMetadata().getNodes() |
| 162 | .stream() |
| 163 | .filter(node -> node.ip().equals(ip)) |
| 164 | .findFirst() |
| 165 | .get(); |
| 166 | } catch (SocketException e) { |
| 167 | throw new IllegalStateException("Cannot determine local IP", e); |
| 168 | } |
| 169 | } |
Madan Jampani | ad3c526 | 2016-01-20 00:50:17 -0800 | [diff] [blame] | 170 | |
| 171 | private class InternalClusterMetadataProviderService |
| 172 | extends AbstractProviderService<ClusterMetadataProvider> |
| 173 | implements ClusterMetadataProviderService { |
| 174 | |
| 175 | InternalClusterMetadataProviderService(ClusterMetadataProvider provider) { |
| 176 | super(provider); |
| 177 | } |
| 178 | |
| 179 | @Override |
| 180 | public void clusterMetadataChanged(Versioned<ClusterMetadata> newMetadata) { |
| 181 | log.info("Cluster metadata changed. New metadata: {}", newMetadata); |
| 182 | post(new ClusterMetadataEvent(ClusterMetadataEvent.Type.METADATA_CHANGED, newMetadata.value())); |
| 183 | } |
| 184 | |
| 185 | @Override |
| 186 | public void newActiveMemberForPartition(PartitionId partitionId, NodeId nodeId) { |
| 187 | log.info("Node {} is active member for partition {}", nodeId, partitionId); |
| 188 | // TODO: notify listeners |
| 189 | } |
| 190 | } |
Madan Jampani | ec1df02 | 2015-10-13 21:23:03 -0700 | [diff] [blame] | 191 | } |