Jordan Halterman | 00e92da | 2018-05-22 23:05:52 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018-present Open Networking Foundation |
| 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 | */ |
Thomas Vachuska | b6d3167 | 2018-07-27 17:03:46 -0700 | [diff] [blame] | 16 | package org.onosproject.store.atomix.cluster.impl; |
Jordan Halterman | 00e92da | 2018-05-22 23:05:52 -0700 | [diff] [blame] | 17 | |
| 18 | import java.time.Instant; |
| 19 | import java.util.Map; |
| 20 | import java.util.Objects; |
| 21 | import java.util.Set; |
| 22 | import java.util.stream.Collectors; |
| 23 | |
| 24 | import com.google.common.collect.Maps; |
| 25 | import io.atomix.cluster.ClusterMembershipEvent; |
| 26 | import io.atomix.cluster.ClusterMembershipEventListener; |
| 27 | import io.atomix.cluster.ClusterMembershipService; |
| 28 | import io.atomix.cluster.Member; |
| 29 | import org.apache.felix.scr.annotations.Activate; |
| 30 | import org.apache.felix.scr.annotations.Component; |
| 31 | import org.apache.felix.scr.annotations.Deactivate; |
| 32 | import org.apache.felix.scr.annotations.Reference; |
| 33 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 34 | import org.apache.felix.scr.annotations.Service; |
| 35 | import org.onlab.packet.IpAddress; |
| 36 | import org.onosproject.cluster.ClusterEvent; |
| 37 | import org.onosproject.cluster.ClusterStore; |
| 38 | import org.onosproject.cluster.ClusterStoreDelegate; |
| 39 | import org.onosproject.cluster.ControllerNode; |
| 40 | import org.onosproject.cluster.DefaultControllerNode; |
| 41 | import org.onosproject.cluster.Node; |
| 42 | import org.onosproject.cluster.NodeId; |
| 43 | import org.onosproject.core.Version; |
| 44 | import org.onosproject.core.VersionService; |
| 45 | import org.onosproject.store.AbstractStore; |
Thomas Vachuska | b6d3167 | 2018-07-27 17:03:46 -0700 | [diff] [blame] | 46 | import org.onosproject.store.atomix.impl.AtomixManager; |
Jordan Halterman | 00e92da | 2018-05-22 23:05:52 -0700 | [diff] [blame] | 47 | import org.slf4j.Logger; |
| 48 | import org.slf4j.LoggerFactory; |
| 49 | |
| 50 | import static com.google.common.base.Preconditions.checkNotNull; |
| 51 | |
| 52 | /** |
| 53 | * Atomix cluster store. |
| 54 | */ |
| 55 | @Component(immediate = true) |
| 56 | @Service |
| 57 | public class AtomixClusterStore extends AbstractStore<ClusterEvent, ClusterStoreDelegate> implements ClusterStore { |
| 58 | private static final String INSTANCE_ID_NULL = "Instance ID cannot be null"; |
| 59 | |
| 60 | private static final String STATE_KEY = "state"; |
| 61 | private static final String VERSION_KEY = "version"; |
| 62 | |
| 63 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 64 | |
| 65 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 66 | protected AtomixManager atomixManager; |
| 67 | |
| 68 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 69 | protected VersionService versionService; |
| 70 | |
| 71 | private ClusterMembershipService membershipService; |
| 72 | private ControllerNode localNode; |
| 73 | private final Map<NodeId, ControllerNode> nodes = Maps.newConcurrentMap(); |
| 74 | private final Map<NodeId, ControllerNode.State> states = Maps.newConcurrentMap(); |
| 75 | private final Map<NodeId, Version> versions = Maps.newConcurrentMap(); |
| 76 | private final Map<NodeId, Instant> updates = Maps.newConcurrentMap(); |
| 77 | private final ClusterMembershipEventListener membershipEventListener = this::changeMembership; |
| 78 | |
| 79 | @Activate |
| 80 | public void activate() { |
| 81 | membershipService = atomixManager.getAtomix().getMembershipService(); |
| 82 | membershipService.addListener(membershipEventListener); |
| 83 | membershipService.getMembers().forEach(member -> { |
| 84 | ControllerNode node = toControllerNode(member); |
| 85 | nodes.put(node.id(), node); |
| 86 | updateState(node, member); |
| 87 | updateVersion(node, member); |
| 88 | }); |
| 89 | membershipService.getLocalMember().properties().put(STATE_KEY, ControllerNode.State.ACTIVE.name()); |
| 90 | membershipService.getLocalMember().properties().put(VERSION_KEY, versionService.version().toString()); |
| 91 | localNode = toControllerNode(membershipService.getLocalMember()); |
| 92 | states.put(localNode.id(), ControllerNode.State.ACTIVE); |
| 93 | versions.put(localNode.id(), versionService.version()); |
| 94 | log.info("Started"); |
| 95 | } |
| 96 | |
| 97 | @Deactivate |
| 98 | public void deactivate() { |
| 99 | membershipService.removeListener(membershipEventListener); |
| 100 | log.info("Stopped"); |
| 101 | } |
| 102 | |
| 103 | private void changeMembership(ClusterMembershipEvent event) { |
| 104 | ControllerNode node = nodes.get(NodeId.nodeId(event.subject().id().id())); |
| 105 | switch (event.type()) { |
| 106 | case MEMBER_ADDED: |
| 107 | case METADATA_CHANGED: |
| 108 | if (node == null) { |
| 109 | node = toControllerNode(event.subject()); |
| 110 | nodes.put(node.id(), node); |
| 111 | notifyDelegate(new ClusterEvent(ClusterEvent.Type.INSTANCE_ADDED, node)); |
| 112 | } |
| 113 | updateVersion(node, event.subject()); |
| 114 | updateState(node, event.subject()); |
| 115 | break; |
| 116 | case MEMBER_REMOVED: |
| 117 | if (node != null |
| 118 | && states.put(node.id(), ControllerNode.State.INACTIVE) != ControllerNode.State.INACTIVE) { |
| 119 | notifyDelegate(new ClusterEvent(ClusterEvent.Type.INSTANCE_DEACTIVATED, node)); |
| 120 | notifyDelegate(new ClusterEvent(ClusterEvent.Type.INSTANCE_REMOVED, node)); |
| 121 | } |
| 122 | break; |
| 123 | default: |
| 124 | break; |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | private void updateState(ControllerNode node, Member member) { |
| 129 | String state = member.properties().getProperty(STATE_KEY); |
| 130 | if (state == null || !state.equals(ControllerNode.State.READY.name())) { |
| 131 | if (states.put(node.id(), ControllerNode.State.ACTIVE) != ControllerNode.State.ACTIVE) { |
| 132 | log.info("Updated node {} state to {}", node.id(), ControllerNode.State.ACTIVE); |
| 133 | markUpdated(node.id()); |
| 134 | notifyDelegate(new ClusterEvent(ClusterEvent.Type.INSTANCE_ACTIVATED, node)); |
| 135 | } |
| 136 | } else { |
| 137 | if (states.put(node.id(), ControllerNode.State.READY) != ControllerNode.State.READY) { |
| 138 | log.info("Updated node {} state to {}", node.id(), ControllerNode.State.READY); |
| 139 | markUpdated(node.id()); |
| 140 | notifyDelegate(new ClusterEvent(ClusterEvent.Type.INSTANCE_READY, node)); |
| 141 | } |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | private void updateVersion(ControllerNode node, Member member) { |
| 146 | String versionString = member.properties().getProperty(VERSION_KEY); |
| 147 | if (versionString != null) { |
| 148 | Version version = Version.version(versionString); |
| 149 | if (!Objects.equals(versions.put(node.id(), version), version)) { |
| 150 | log.info("Updated node {} version to {}", node.id(), version); |
| 151 | } |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | private void markUpdated(NodeId nodeId) { |
| 156 | updates.put(nodeId, Instant.now()); |
| 157 | } |
| 158 | |
| 159 | private ControllerNode toControllerNode(Member member) { |
| 160 | return new DefaultControllerNode( |
| 161 | NodeId.nodeId(member.id().id()), |
Jordan Halterman | d15c5f6 | 2018-10-03 16:09:24 -0700 | [diff] [blame] | 162 | member.address().host(), |
Jordan Halterman | 00e92da | 2018-05-22 23:05:52 -0700 | [diff] [blame] | 163 | member.address().port()); |
| 164 | } |
| 165 | |
| 166 | @Override |
| 167 | public ControllerNode getLocalNode() { |
Jordan Halterman | d15c5f6 | 2018-10-03 16:09:24 -0700 | [diff] [blame] | 168 | return localNode; |
Jordan Halterman | 00e92da | 2018-05-22 23:05:52 -0700 | [diff] [blame] | 169 | } |
| 170 | |
| 171 | @Override |
| 172 | public Set<Node> getStorageNodes() { |
| 173 | return membershipService.getMembers() |
| 174 | .stream() |
| 175 | .filter(member -> !Objects.equals(member.properties().getProperty("type"), "onos")) |
| 176 | .map(this::toControllerNode) |
| 177 | .collect(Collectors.toSet()); |
| 178 | } |
| 179 | |
| 180 | @Override |
| 181 | public Set<ControllerNode> getNodes() { |
| 182 | return membershipService.getMembers() |
| 183 | .stream() |
| 184 | .filter(member -> Objects.equals(member.properties().getProperty("type"), "onos")) |
| 185 | .map(this::toControllerNode) |
| 186 | .collect(Collectors.toSet()); |
| 187 | } |
| 188 | |
| 189 | @Override |
| 190 | public ControllerNode getNode(NodeId nodeId) { |
| 191 | Member member = membershipService.getMember(nodeId.id()); |
| 192 | return member != null ? toControllerNode(member) : null; |
| 193 | } |
| 194 | |
| 195 | @Override |
| 196 | public ControllerNode.State getState(NodeId nodeId) { |
| 197 | checkNotNull(nodeId, INSTANCE_ID_NULL); |
| 198 | return states.get(nodeId); |
| 199 | } |
| 200 | |
| 201 | @Override |
| 202 | public Version getVersion(NodeId nodeId) { |
| 203 | checkNotNull(nodeId, INSTANCE_ID_NULL); |
| 204 | return versions.get(nodeId); |
| 205 | } |
| 206 | |
| 207 | @Override |
| 208 | public Instant getLastUpdatedInstant(NodeId nodeId) { |
| 209 | checkNotNull(nodeId, INSTANCE_ID_NULL); |
| 210 | return updates.get(nodeId); |
| 211 | } |
| 212 | |
| 213 | @Override |
| 214 | public void markFullyStarted(boolean started) { |
| 215 | ControllerNode.State state = started ? ControllerNode.State.READY : ControllerNode.State.ACTIVE; |
Jordan Halterman | 00e92da | 2018-05-22 23:05:52 -0700 | [diff] [blame] | 216 | membershipService.getLocalMember().properties().setProperty(STATE_KEY, state.name()); |
| 217 | } |
| 218 | |
| 219 | @Override |
| 220 | public ControllerNode addNode(NodeId nodeId, IpAddress ip, int tcpPort) { |
| 221 | checkNotNull(nodeId, INSTANCE_ID_NULL); |
| 222 | ControllerNode node = new DefaultControllerNode(nodeId, ip, tcpPort); |
| 223 | nodes.put(node.id(), node); |
| 224 | ControllerNode.State state = node.equals(localNode) |
| 225 | ? ControllerNode.State.ACTIVE : ControllerNode.State.INACTIVE; |
| 226 | membershipService.getMember(node.id().id()).properties().setProperty(STATE_KEY, state.name()); |
| 227 | notifyDelegate(new ClusterEvent(ClusterEvent.Type.INSTANCE_ADDED, node)); |
| 228 | return node; |
| 229 | } |
| 230 | |
| 231 | @Override |
| 232 | public void removeNode(NodeId nodeId) { |
| 233 | checkNotNull(nodeId, INSTANCE_ID_NULL); |
| 234 | ControllerNode node = nodes.remove(nodeId); |
| 235 | if (node != null) { |
| 236 | states.remove(nodeId); |
| 237 | notifyDelegate(new ClusterEvent(ClusterEvent.Type.INSTANCE_REMOVED, node)); |
| 238 | } |
| 239 | } |
| 240 | } |