2 * Copyright (c) 2016 Cisco Systems, Inc. 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
9 package org.opendaylight.groupbasedpolicy.renderer.vpp.policy;
11 import java.util.Collection;
12 import java.util.HashSet;
14 import java.util.Map.Entry;
16 import java.util.stream.Collectors;
18 import javax.annotation.Nonnull;
20 import org.opendaylight.controller.config.yang.config.vpp_provider.impl.VppRenderer;
21 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
22 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
23 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
24 import org.opendaylight.groupbasedpolicy.renderer.vpp.event.NodeOperEvent;
25 import org.opendaylight.groupbasedpolicy.renderer.vpp.event.RendererPolicyConfEvent;
26 import org.opendaylight.groupbasedpolicy.renderer.vpp.util.KeyFactory;
27 import org.opendaylight.groupbasedpolicy.util.IidFactory;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.has.absolute.location.absolute.location.location.type.ExternalLocationCase;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.RendererPolicy;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.RendererPolicyBuilder;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.configuration.renderer.endpoints.RendererEndpointKey;
32 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
33 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
34 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
35 import org.slf4j.Logger;
36 import org.slf4j.LoggerFactory;
38 import com.google.common.base.Optional;
39 import com.google.common.base.Preconditions;
40 import com.google.common.collect.HashMultimap;
41 import com.google.common.collect.ImmutableSet;
42 import com.google.common.collect.MapDifference;
43 import com.google.common.collect.MapDifference.ValueDifference;
44 import com.google.common.collect.Maps;
45 import com.google.common.collect.SetMultimap;
46 import com.google.common.collect.Sets;
47 import com.google.common.collect.Sets.SetView;
48 import com.google.common.eventbus.Subscribe;
49 import com.google.common.util.concurrent.FutureCallback;
50 import com.google.common.util.concurrent.Futures;
52 public class VppRendererPolicyManager {
54 private static final Logger LOG = LoggerFactory.getLogger(VppRendererPolicyManager.class);
55 private final DataBroker dataProvider;
56 private ForwardingManager fwManager;
58 public VppRendererPolicyManager(@Nonnull ForwardingManager fwManager, @Nonnull DataBroker dataProvider) {
59 this.fwManager = Preconditions.checkNotNull(fwManager);
60 this.dataProvider = Preconditions.checkNotNull(dataProvider);
64 public void rendererPolicyChanged(RendererPolicyConfEvent event) {
65 RendererPolicyBuilder responseBuilder = new RendererPolicyBuilder();
66 switch (event.getDtoModificationType()) {
68 LOG.trace("CREATED : {}", event);
69 responseBuilder.setVersion(event.getAfter().get().getVersion());
70 rendererPolicyCreated(event.getAfter().get());
73 LOG.trace("UPDATED: {}", event);
74 RendererPolicy rPolicyBefore = event.getBefore().get();
75 RendererPolicy rPolicyAfter = event.getAfter().get();
76 responseBuilder.setVersion(rPolicyAfter.getVersion());
77 if (!isConfigurationChanged(rPolicyBefore, rPolicyAfter)) {
78 LOG.debug("Configuration is not changed only updating config version from {} to {}",
79 rPolicyBefore.getVersion(), rPolicyAfter.getVersion());
81 // TODO collect unconfigured rules and put them to responseBuilder
82 rendererPolicyUpdated(rPolicyBefore, rPolicyAfter);
86 LOG.trace("DELETED: {}", event);
87 responseBuilder.setVersion(event.getBefore().get().getVersion());
88 rendererPolicyDeleted(event.getBefore().get());
91 WriteTransaction wTx = dataProvider.newWriteOnlyTransaction();
92 RendererPolicy response = responseBuilder.build();
93 wTx.put(LogicalDatastoreType.OPERATIONAL, IidFactory.rendererIid(VppRenderer.NAME).child(RendererPolicy.class),
95 Futures.addCallback(wTx.submit(), new FutureCallback<Void>() {
98 public void onSuccess(Void result) {
99 LOG.debug("Renderer updated renderer policy {}", response);
103 public void onFailure(Throwable t) {
104 LOG.warn("Renderer DIDN'T update renderer-policy {}", response);
109 private boolean isConfigurationChanged(RendererPolicy before, RendererPolicy after) {
110 if (before.getConfiguration() == null && after.getConfiguration() == null) {
116 private void rendererPolicyUpdated(RendererPolicy rPolicyBefore, RendererPolicy rPolicyAfter) {
117 PolicyContext policyCtxBefore = new PolicyContext(rPolicyBefore);
118 PolicyContext policyCtxAfter = new PolicyContext(rPolicyAfter);
120 MapDifference<String, Collection<NodeId>> vppNodesByL2FlDiff =
121 createDiffForVppNodesByL2Fd(policyCtxBefore, policyCtxAfter);
122 SetMultimap<String, NodeId> removedVppNodesByL2Fd = HashMultimap.create();
123 SetMultimap<String, NodeId> createdVppNodesByL2Fd = HashMultimap.create();
124 for (Entry<String, ValueDifference<Collection<NodeId>>> entry : vppNodesByL2FlDiff.entriesDiffering()
126 String bridgeDomain = entry.getKey();
127 Collection<NodeId> beforeNodes = entry.getValue().leftValue();
128 Collection<NodeId> afterNodes = entry.getValue().rightValue();
129 if (beforeNodes != null && afterNodes != null) {
130 SetView<NodeId> removedNodes = Sets.difference(new HashSet<>(beforeNodes), new HashSet<>(afterNodes));
131 removedVppNodesByL2Fd.putAll(bridgeDomain, removedNodes);
132 SetView<NodeId> createdNodes = Sets.difference(new HashSet<>(afterNodes), new HashSet<>(beforeNodes));
133 createdVppNodesByL2Fd.putAll(bridgeDomain, createdNodes);
134 } else if (beforeNodes != null) {
135 removedVppNodesByL2Fd.putAll(bridgeDomain, beforeNodes);
136 } else if (afterNodes != null) {
137 createdVppNodesByL2Fd.putAll(bridgeDomain, afterNodes);
140 Map<String, Collection<NodeId>> removedL2Fds = vppNodesByL2FlDiff.entriesOnlyOnLeft();
141 for (Entry<String, Collection<NodeId>> entry : removedL2Fds.entrySet()) {
142 String bridgeDomain = entry.getKey();
143 Collection<NodeId> removedNodes = entry.getValue();
144 if (removedNodes != null) {
145 removedVppNodesByL2Fd.putAll(bridgeDomain, removedNodes);
148 Map<String, Collection<NodeId>> createdL2Fds = vppNodesByL2FlDiff.entriesOnlyOnRight();
149 for (Entry<String, Collection<NodeId>> entry : createdL2Fds.entrySet()) {
150 String bridgeDomain = entry.getKey();
151 Collection<NodeId> createdNodes = entry.getValue();
152 if (createdNodes != null) {
153 createdVppNodesByL2Fd.putAll(bridgeDomain, createdNodes);
157 ImmutableSet<RendererEndpointKey> rendEpsBefore = policyCtxBefore.getPolicyTable().rowKeySet();
158 ImmutableSet<RendererEndpointKey> rendEpsAfter = policyCtxAfter.getPolicyTable().rowKeySet();
160 SetView<RendererEndpointKey> removedRendEps = Sets.difference(rendEpsBefore, rendEpsAfter);
161 removedRendEps.forEach(rEpKey -> fwManager.removeForwardingForEndpoint(rEpKey, policyCtxBefore));
163 fwManager.removeBridgeDomainOnNodes(removedVppNodesByL2Fd);
164 fwManager.createBridgeDomainOnNodes(createdVppNodesByL2Fd);
166 SetView<RendererEndpointKey> createdRendEps = Sets.difference(rendEpsAfter, rendEpsBefore);
167 createdRendEps.forEach(rEpKey -> fwManager.createForwardingForEndpoint(rEpKey, policyCtxAfter));
169 SetView<RendererEndpointKey> updatedRendEps = Sets.intersection(rendEpsBefore, rendEpsAfter);
170 // TODO think about all cases, but keep it simple for now
171 updatedRendEps.forEach(rEpKey -> fwManager.removeForwardingForEndpoint(rEpKey, policyCtxBefore));
172 updatedRendEps.forEach(rEpKey -> fwManager.createForwardingForEndpoint(rEpKey, policyCtxAfter));
175 private static MapDifference<String, Collection<NodeId>> createDiffForVppNodesByL2Fd(PolicyContext policyCtxBefore,
176 PolicyContext policyCtxAfter) {
177 ImmutableSet<RendererEndpointKey> rendEpsBefore = policyCtxBefore.getPolicyTable().rowKeySet();
178 ImmutableSet<RendererEndpointKey> rendEpsAfter = policyCtxAfter.getPolicyTable().rowKeySet();
179 SetMultimap<String, NodeId> vppNodesByL2FdBefore = resolveVppNodesByL2Fd(rendEpsBefore, policyCtxBefore);
180 SetMultimap<String, NodeId> vppNodesByL2FdAfter = resolveVppNodesByL2Fd(rendEpsAfter, policyCtxBefore);
181 return Maps.difference(vppNodesByL2FdBefore.asMap(), vppNodesByL2FdAfter.asMap());
184 private void rendererPolicyCreated(RendererPolicy rPolicy) {
185 PolicyContext policyCtx = new PolicyContext(rPolicy);
186 ImmutableSet<RendererEndpointKey> rEpKeys = policyCtx.getPolicyTable().rowKeySet();
188 SetMultimap<String, NodeId> vppNodesByL2Fd = resolveVppNodesByL2Fd(rEpKeys, policyCtx);
189 fwManager.createBridgeDomainOnNodes(vppNodesByL2Fd);
191 rEpKeys.forEach(rEpKey -> fwManager.createForwardingForEndpoint(rEpKey, policyCtx));
194 private void rendererPolicyDeleted(RendererPolicy rendererPolicy) {
195 PolicyContext policyCtx = new PolicyContext(rendererPolicy);
196 ImmutableSet<RendererEndpointKey> rEpKeys = policyCtx.getPolicyTable().rowKeySet();
198 rEpKeys.forEach(rEpKey -> fwManager.removeForwardingForEndpoint(rEpKey, policyCtx));
200 SetMultimap<String, NodeId> vppNodesByL2Fd = resolveVppNodesByL2Fd(rEpKeys, policyCtx);
201 fwManager.removeBridgeDomainOnNodes(vppNodesByL2Fd);
204 private static SetMultimap<String, NodeId> resolveVppNodesByL2Fd(Set<RendererEndpointKey> rEpKeys,
205 PolicyContext policyCtx) {
206 SetMultimap<String, NodeId> vppNodesByL2Fd = HashMultimap.create();
208 .map(rEpKey -> KeyFactory.addressEndpointKey(rEpKey))
209 .map(addrEpKey -> policyCtx.getAddrEpByKey().get(addrEpKey))
210 .collect(Collectors.toSet())
211 .forEach(addrEpWithLoc -> {
212 Optional<String> optL2Fd =
213 ForwardingManager.resolveL2FloodDomain(addrEpWithLoc.getNetworkContainment());
214 if (optL2Fd.isPresent()) {
215 ExternalLocationCase rEpLoc = ForwardingManager.resolveAndValidateLocation(addrEpWithLoc);
216 InstanceIdentifier<?> externalNodeMountPoint = rEpLoc.getExternalNodeMountPoint();
217 NodeId vppNode = externalNodeMountPoint.firstKeyOf(Node.class).getNodeId();
218 vppNodesByL2Fd.put(optL2Fd.get(), vppNode);
221 return vppNodesByL2Fd;
225 public void vppNodeChanged(NodeOperEvent event) {
226 switch (event.getDtoModificationType()) {
228 if (event.isAfterConnected()) {
233 if (!event.isBeforeConnected() && event.isAfterConnected()) {
238 if (event.isBeforeConnected()) {