2 * Copyright (c) 2017 Ericsson India Global Services Pvt Ltd. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.netvirt.elan.l2gw.ha.handlers;
10 import static org.opendaylight.mdsal.binding.util.Datastore.CONFIGURATION;
12 import com.google.common.util.concurrent.FutureCallback;
13 import com.google.common.util.concurrent.Futures;
14 import com.google.common.util.concurrent.MoreExecutors;
15 import java.util.Optional;
16 import java.util.concurrent.ExecutionException;
17 import javax.inject.Inject;
18 import javax.inject.Singleton;
19 import org.opendaylight.infrautils.utils.concurrent.LoggingFutures;
20 import org.opendaylight.mdsal.binding.api.DataBroker;
21 import org.opendaylight.mdsal.binding.util.Datastore;
22 import org.opendaylight.mdsal.binding.util.Datastore.Configuration;
23 import org.opendaylight.mdsal.binding.util.Datastore.Operational;
24 import org.opendaylight.mdsal.binding.util.ManagedNewTransactionRunner;
25 import org.opendaylight.mdsal.binding.util.ManagedNewTransactionRunnerImpl;
26 import org.opendaylight.mdsal.binding.util.TypedReadWriteTransaction;
27 import org.opendaylight.netvirt.elan.l2gw.ha.HwvtepHAUtil;
28 import org.opendaylight.netvirt.elan.l2gw.ha.listeners.HAJobScheduler;
29 import org.opendaylight.netvirt.elan.l2gw.ha.merge.GlobalAugmentationMerger;
30 import org.opendaylight.netvirt.elan.l2gw.ha.merge.GlobalNodeMerger;
31 import org.opendaylight.netvirt.elan.l2gw.ha.merge.PSAugmentationMerger;
32 import org.opendaylight.netvirt.elan.l2gw.ha.merge.PSNodeMerger;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentation;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentationBuilder;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalRef;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.PhysicalSwitchAugmentation;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.PhysicalSwitchAugmentationBuilder;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.Managers;
39 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
40 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeBuilder;
41 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
42 import org.slf4j.Logger;
43 import org.slf4j.LoggerFactory;
46 public class NodeCopier {
48 private static final Logger LOG = LoggerFactory.getLogger(NodeCopier.class);
50 private final GlobalAugmentationMerger globalAugmentationMerger = GlobalAugmentationMerger.getInstance();
51 private final PSAugmentationMerger psAugmentationMerger = PSAugmentationMerger.getInstance();
52 private final GlobalNodeMerger globalNodeMerger = GlobalNodeMerger.getInstance();
53 private final PSNodeMerger psNodeMerger = PSNodeMerger.getInstance();
54 private final ManagedNewTransactionRunner txRunner;
57 public NodeCopier(DataBroker db) {
58 this.txRunner = new ManagedNewTransactionRunnerImpl(db);
61 public <D extends Datastore> void copyGlobalNode(Optional<Node> srcGlobalNodeOptional,
62 InstanceIdentifier<Node> srcPath,
63 InstanceIdentifier<Node> dstPath,
64 Class<D> datastoreType,
65 TypedReadWriteTransaction<D> tx)
66 throws ExecutionException, InterruptedException {
67 if (!srcGlobalNodeOptional.isPresent() && Configuration.class.equals(datastoreType)) {
68 Futures.addCallback(tx.read(srcPath), new FutureCallback<Optional<Node>>() {
70 public void onSuccess(Optional<Node> nodeOptional) {
71 HAJobScheduler.getInstance().submitJob(() -> LoggingFutures.addErrorLogging(
72 txRunner.callWithNewReadWriteTransactionAndSubmit(datastoreType, tx -> {
73 if (nodeOptional.isPresent()) {
74 copyGlobalNode(nodeOptional, srcPath, dstPath, datastoreType, tx);
77 * In case the Parent HA Global Node is not present and Child HA node is present
78 * It means that both the child are disconnected/removed hence the parent is
80 * @see org.opendaylight.netvirt.elan.l2gw.ha.listeners.HAOpNodeListener
81 * OnGLobalNode() delete function
82 * So we should delete the existing config child node as cleanup
84 HwvtepHAUtil.deleteNodeIfPresent(tx, dstPath);
86 }), LOG, "Failed to read source node {}", srcPath));
90 public void onFailure(Throwable throwable) {
92 }, MoreExecutors.directExecutor());
95 HwvtepGlobalAugmentation srcGlobalAugmentation =
96 srcGlobalNodeOptional.get().augmentation(HwvtepGlobalAugmentation.class);
97 if (srcGlobalAugmentation == null) {
99 * If Source HA Global Node is not present
100 * It means that both the child are disconnected/removed hence the parent is deleted.
101 * @see org.opendaylight.netvirt.elan.l2gw.ha.listeners.HAOpNodeListener OnGLobalNode() delete function
102 * So we should delete the existing config child node as cleanup
104 HwvtepHAUtil.deleteNodeIfPresent(tx, dstPath);
107 NodeBuilder haNodeBuilder = HwvtepHAUtil.getNodeBuilderForPath(dstPath);
108 HwvtepGlobalAugmentationBuilder haBuilder = new HwvtepGlobalAugmentationBuilder();
110 Optional<Node> existingDstGlobalNodeOptional = tx.read(dstPath).get();
111 Node existingDstGlobalNode =
112 existingDstGlobalNodeOptional.isPresent() ? existingDstGlobalNodeOptional.get() : null;
113 HwvtepGlobalAugmentation existingHAGlobalData = HwvtepHAUtil.getGlobalAugmentationOfNode(existingDstGlobalNode);
116 if (Operational.class.equals(datastoreType)) {
117 globalAugmentationMerger.mergeOperationalData(haBuilder, existingHAGlobalData, srcGlobalAugmentation,
119 globalNodeMerger.mergeOperationalData(haNodeBuilder,
120 existingDstGlobalNode, srcGlobalNodeOptional.get(), dstPath);
121 haBuilder.setManagers(HwvtepHAUtil.buildManagersForHANode(srcGlobalNodeOptional.get(),
122 existingDstGlobalNodeOptional));
123 //Also update the manager section in config which helps in cluster reboot scenarios
124 LoggingFutures.addErrorLogging(
125 txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION,
126 confTx -> haBuilder.getManagers().values().forEach(manager -> {
127 InstanceIdentifier<Managers> managerIid =
128 dstPath.augmentation(HwvtepGlobalAugmentation.class).child(Managers.class, manager.key());
129 confTx.mergeParentStructurePut(managerIid, manager);
130 })), LOG, "Error updating the manager section in config");
133 globalAugmentationMerger.mergeConfigData(haBuilder, srcGlobalAugmentation, dstPath);
134 globalNodeMerger.mergeConfigData(haNodeBuilder, srcGlobalNodeOptional.get(), dstPath);
137 haBuilder.setDbVersion(srcGlobalAugmentation.getDbVersion());
138 haNodeBuilder.addAugmentation(HwvtepGlobalAugmentation.class, haBuilder.build());
139 Node haNode = haNodeBuilder.build();
140 if (Operational.class.equals(datastoreType)) {
141 tx.mergeParentStructureMerge(dstPath, haNode);
143 tx.mergeParentStructurePut(dstPath, haNode);
147 public <D extends Datastore> void copyPSNode(Optional<Node> srcPsNodeOptional,
148 InstanceIdentifier<Node> srcPsPath,
149 InstanceIdentifier<Node> dstPsPath,
150 InstanceIdentifier<Node> dstGlobalPath,
151 Class<D> datastoreType,
152 TypedReadWriteTransaction<D> tx)
153 throws ExecutionException, InterruptedException {
154 if (!srcPsNodeOptional.isPresent() && Configuration.class.equals(datastoreType)) {
155 Futures.addCallback(tx.read(srcPsPath), new FutureCallback<Optional<Node>>() {
157 public void onSuccess(Optional<Node> nodeOptional) {
158 HAJobScheduler.getInstance().submitJob(() -> {
159 LoggingFutures.addErrorLogging(
160 txRunner.callWithNewReadWriteTransactionAndSubmit(datastoreType, tx -> {
161 if (nodeOptional.isPresent()) {
162 copyPSNode(nodeOptional,
163 srcPsPath, dstPsPath, dstGlobalPath, datastoreType, tx);
166 * Deleting node please refer @see #copyGlobalNode for explanation
168 HwvtepHAUtil.deleteNodeIfPresent(tx, dstPsPath);
170 }), LOG, "Failed to read source node {}", srcPsPath);
175 public void onFailure(Throwable throwable) {
177 }, MoreExecutors.directExecutor());
180 NodeBuilder dstPsNodeBuilder = HwvtepHAUtil.getNodeBuilderForPath(dstPsPath);
181 PhysicalSwitchAugmentationBuilder dstPsAugmentationBuilder = new PhysicalSwitchAugmentationBuilder();
183 PhysicalSwitchAugmentation srcPsAugmenatation =
184 srcPsNodeOptional.get().augmentation(PhysicalSwitchAugmentation.class);
186 Node existingDstPsNode = tx.read(dstPsPath).get().orElse(null);
187 PhysicalSwitchAugmentation existingDstPsAugmentation =
188 HwvtepHAUtil.getPhysicalSwitchAugmentationOfNode(existingDstPsNode);
189 if (Operational.class.equals(datastoreType)) {
190 psAugmentationMerger.mergeOperationalData(dstPsAugmentationBuilder, existingDstPsAugmentation,
191 srcPsAugmenatation, dstPsPath);
192 psNodeMerger.mergeOperationalData(dstPsNodeBuilder, existingDstPsNode, srcPsNodeOptional.get(), dstPsPath);
194 psAugmentationMerger.mergeConfigData(dstPsAugmentationBuilder, srcPsAugmenatation, dstPsPath);
195 psNodeMerger.mergeConfigData(dstPsNodeBuilder, srcPsNodeOptional.get(), dstPsPath);
197 mergeOpManagedByAttributes(srcPsAugmenatation, dstPsAugmentationBuilder, dstGlobalPath);
199 dstPsNodeBuilder.addAugmentation(PhysicalSwitchAugmentation.class, dstPsAugmentationBuilder.build());
200 Node dstPsNode = dstPsNodeBuilder.build();
201 tx.mergeParentStructureMerge(dstPsPath, dstPsNode);
202 LOG.debug("Copied {} physical switch node from {} to {}", datastoreType, srcPsPath, dstPsPath);
205 public void mergeOpManagedByAttributes(PhysicalSwitchAugmentation psAugmentation,
206 PhysicalSwitchAugmentationBuilder builder,
207 InstanceIdentifier<Node> haNodePath) {
208 builder.setManagedBy(new HwvtepGlobalRef(haNodePath));
209 if (psAugmentation != null) {
210 builder.setHwvtepNodeName(psAugmentation.getHwvtepNodeName());
211 builder.setHwvtepNodeDescription(psAugmentation.getHwvtepNodeDescription());
212 builder.setTunnelIps(psAugmentation.getTunnelIps());
213 if (psAugmentation.getHwvtepNodeName() != null) {
214 builder.setPhysicalSwitchUuid(HwvtepHAUtil.getUUid(psAugmentation.getHwvtepNodeName().getValue()));