2 * Copyright (c) 2015 Huawei Technologies 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.groupbasedpolicy.util;
10 import java.util.ArrayList;
11 import java.util.Collection;
12 import java.util.HashSet;
13 import java.util.List;
15 import java.util.concurrent.ConcurrentMap;
17 import org.opendaylight.groupbasedpolicy.dto.ConditionSet;
18 import org.opendaylight.groupbasedpolicy.dto.EgKey;
19 import org.opendaylight.groupbasedpolicy.dto.EndpointConstraint;
20 import org.opendaylight.groupbasedpolicy.dto.IndexedTenant;
21 import org.opendaylight.groupbasedpolicy.dto.Policy;
22 import org.opendaylight.groupbasedpolicy.dto.RuleGroup;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.ActionName;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.ClassifierName;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.ConditionName;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.EndpointGroupId;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.TenantId;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.has.action.refs.ActionRef;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.has.classifier.refs.ClassifierRef;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.has.classifier.refs.ClassifierRef.ConnectionTracking;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.has.endpoint.identification.constraints.EndpointIdentificationConstraints;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.has.endpoint.identification.constraints.EndpointIdentificationConstraintsBuilder;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.has.endpoint.identification.constraints.endpoint.identification.constraints.L3EndpointIdentificationConstraintsBuilder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.has.endpoint.identification.constraints.endpoint.identification.constraints.l3.endpoint.identification.constraints.PrefixConstraint;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.Tenant;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.policy.contract.subject.Rule;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.policy.subject.feature.instances.ActionInstance;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.policy.subject.feature.instances.ClassifierInstance;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.actions.Action;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.actions.ActionBuilder;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.actions.ActionKey;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.classifiers.Classifier;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.classifiers.ClassifierBuilder;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.classifiers.ClassifierKey;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.endpoint.conditions.EndpointConditions;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.endpoint.conditions.EndpointConditionsBuilder;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.endpoint.conditions.endpoint.conditions.AllCondition;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.endpoint.conditions.endpoint.conditions.AllConditionBuilder;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.endpoint.conditions.endpoint.conditions.AnyCondition;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.endpoint.conditions.endpoint.conditions.AnyConditionBuilder;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.endpoint.conditions.endpoint.conditions.NoneCondition;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.endpoint.conditions.endpoint.conditions.NoneConditionBuilder;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.resolved.rules.ResolvedRule;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.resolved.rules.ResolvedRuleBuilder;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.resolved.rules.ResolvedRuleKey;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.resolved.policies.ResolvedPolicy;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.resolved.policies.ResolvedPolicy.ExternalImplicitGroup;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.resolved.policies.ResolvedPolicyBuilder;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.resolved.policies.resolved.policy.PolicyRuleGroupWithEndpointConstraints;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.resolved.policies.resolved.policy.PolicyRuleGroupWithEndpointConstraintsBuilder;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.resolved.policies.resolved.policy.policy.rule.group.with.endpoint.constraints.ConsumerEndpointConstraintsBuilder;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.resolved.policies.resolved.policy.policy.rule.group.with.endpoint.constraints.PolicyRuleGroup;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.resolved.policies.resolved.policy.policy.rule.group.with.endpoint.constraints.PolicyRuleGroupBuilder;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.resolved.policies.resolved.policy.policy.rule.group.with.endpoint.constraints.ProviderEndpointConstraintsBuilder;
65 import org.slf4j.Logger;
66 import org.slf4j.LoggerFactory;
68 import com.google.common.collect.Table;
69 import com.google.common.collect.Table.Cell;
71 public class PolicyInfoUtils {
72 private static final Logger LOG = LoggerFactory.getLogger(PolicyInfoUtils.class);
73 private PolicyInfoUtils() {
74 throw new UnsupportedOperationException("Cannot create an instance");
77 public static List<ResolvedPolicy> buildResolvedPolicy(Table<EgKey, EgKey, Policy> policyMap,
78 ConcurrentMap<TenantId, IndexedTenant> resolvedTenants) {
79 List<ResolvedPolicy> resolvedPolicies = new ArrayList<>();
80 for (Cell<EgKey, EgKey, Policy> policyCell : policyMap.cellSet()) {
81 ResolvedPolicyBuilder resolvedPolicyBuilder = new ResolvedPolicyBuilder();
82 resolvedPolicyBuilder.setConsumerEpgId(policyCell.getRowKey().getEgId());
83 resolvedPolicyBuilder.setConsumerTenantId(policyCell.getRowKey().getTenantId());
84 resolvedPolicyBuilder.setProviderEpgId(policyCell.getColumnKey().getEgId());
85 resolvedPolicyBuilder.setProviderTenantId(policyCell.getColumnKey().getTenantId());
86 resolvedPolicyBuilder.setPolicyRuleGroupWithEndpointConstraints(
87 buildPolicyRuleGroupWithEndpointConstraints(policyCell.getValue()));
88 Tenant consTenant = resolvedTenants.get(policyCell.getRowKey().getTenantId()).getTenant();
89 Tenant provTenant = resolvedTenants.get(policyCell.getColumnKey().getTenantId()).getTenant();
90 if (isExternalImplicitGroup(consTenant, policyCell.getRowKey().getEgId())) {
91 resolvedPolicyBuilder.setExternalImplicitGroup(ExternalImplicitGroup.ConsumerEpg);
92 } else if (isExternalImplicitGroup(provTenant, policyCell.getColumnKey().getEgId())) {
93 resolvedPolicyBuilder.setExternalImplicitGroup(ExternalImplicitGroup.ProviderEpg);
95 resolvedPolicies.add(resolvedPolicyBuilder.build());
97 return resolvedPolicies;
100 private static boolean isExternalImplicitGroup(Tenant tenant, EndpointGroupId epgId) {
101 if (tenant == null || epgId == null || tenant.getPolicy() == null
102 || tenant.getPolicy().getExternalImplicitGroup() == null) {
105 LOG.trace("Found External EPGs in Tenant {}", tenant.getId().getValue());
106 for (org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.policy.ExternalImplicitGroup eig : tenant.getPolicy()
107 .getExternalImplicitGroup()) {
108 if (eig.getId().equals(epgId)) {
109 LOG.trace("EPG {} is External Implicit Group", epgId.getValue());
113 LOG.trace("EPG {} is NOT External Implicit Group", epgId.getValue());
117 private static List<PolicyRuleGroupWithEndpointConstraints> buildPolicyRuleGroupWithEndpointConstraints(
119 List<PolicyRuleGroupWithEndpointConstraints> policyRuleGroupWithEndpointConstraintsList = new ArrayList<>();
120 for (Cell<EndpointConstraint, EndpointConstraint, List<RuleGroup>> ruleGrpsWECCell : policy.getRuleMap()
122 PolicyRuleGroupWithEndpointConstraintsBuilder policyRuleGroupWithEndpointConstraintsBuilder =
123 new PolicyRuleGroupWithEndpointConstraintsBuilder();
126 EndpointConditions consConditionSet = buildConditionSet(ruleGrpsWECCell.getRowKey().getConditionSet());
127 EndpointIdentificationConstraints consEndpointIdentificationConstraints =
128 buildEndpointIdentificationConstraints(ruleGrpsWECCell.getRowKey());
129 ConsumerEndpointConstraintsBuilder consumerEndpointConstraintsBuilder =
130 new ConsumerEndpointConstraintsBuilder();
132 if (consConditionSet != null) {
133 consumerEndpointConstraintsBuilder.setEndpointConditions(consConditionSet);
135 if (consEndpointIdentificationConstraints != null) {
136 consumerEndpointConstraintsBuilder
137 .setEndpointIdentificationConstraints(consEndpointIdentificationConstraints);
139 if (consConditionSet != null || consEndpointIdentificationConstraints != null) {
140 policyRuleGroupWithEndpointConstraintsBuilder
141 .setConsumerEndpointConstraints(consumerEndpointConstraintsBuilder.build());
145 EndpointConditions provConditionSet = buildConditionSet(ruleGrpsWECCell.getColumnKey().getConditionSet());
146 EndpointIdentificationConstraints provEndpointIdentificationConstraints =
147 buildEndpointIdentificationConstraints(ruleGrpsWECCell.getColumnKey());
148 ProviderEndpointConstraintsBuilder providerEndpointConstraintsBuilder =
149 new ProviderEndpointConstraintsBuilder();
151 if (provConditionSet != null) {
152 providerEndpointConstraintsBuilder.setEndpointConditions(provConditionSet);
154 if (provEndpointIdentificationConstraints != null) {
155 providerEndpointConstraintsBuilder
156 .setEndpointIdentificationConstraints(provEndpointIdentificationConstraints);
158 if (provConditionSet != null || provEndpointIdentificationConstraints != null) {
159 policyRuleGroupWithEndpointConstraintsBuilder
160 .setProviderEndpointConstraints(providerEndpointConstraintsBuilder.build());
164 List<PolicyRuleGroup> policyRuleGroups = new ArrayList<>();
165 for (RuleGroup ruleGrp : ruleGrpsWECCell.getValue()) {
166 PolicyRuleGroupBuilder policyRuleGroupBuilder = new PolicyRuleGroupBuilder();
167 policyRuleGroupBuilder.setContractId(ruleGrp.getRelatedContract().getId());
168 policyRuleGroupBuilder.setSubjectName(ruleGrp.getRelatedSubject());
169 policyRuleGroupBuilder.setTenantId(ruleGrp.getContractTenant().getId());
170 policyRuleGroupBuilder.setOrder(ruleGrp.getOrder());
171 policyRuleGroupBuilder
172 .setResolvedRule(buildResolvedRules(ruleGrp.getRules(), ruleGrp.getContractTenant()));
173 policyRuleGroups.add(policyRuleGroupBuilder.build());
175 policyRuleGroupWithEndpointConstraintsBuilder.setPolicyRuleGroup(policyRuleGroups);
177 // add policy group with EP constraints
178 policyRuleGroupWithEndpointConstraintsList.add(policyRuleGroupWithEndpointConstraintsBuilder.build());
180 return policyRuleGroupWithEndpointConstraintsList;
183 private static List<ResolvedRule> buildResolvedRules(List<Rule> rules, Tenant tenant) {
187 List<ResolvedRule> resolvedRules = new ArrayList<>();
188 for (Rule rule : rules) {
189 ResolvedRuleBuilder resolvedRuleBuilder = new ResolvedRuleBuilder();
190 resolvedRuleBuilder.setOrder(rule.getOrder());
191 resolvedRuleBuilder.setName(rule.getName());
192 resolvedRuleBuilder.setKey(new ResolvedRuleKey(rule.getName()));
194 List<Classifier> classifiers = new ArrayList<>();
195 for (ClassifierRef cls : rule.getClassifierRef()) {
196 ClassifierBuilder classifierBuilder = new ClassifierBuilder();
197 classifierBuilder.setConnectionTracking(convertConnectionTracking(cls.getConnectionTracking()));
198 classifierBuilder.setDirection(cls.getDirection());
199 classifierBuilder.setKey(new ClassifierKey(cls.getName()));
200 classifierBuilder.setName(cls.getName());
201 ClassifierInstance classifierInstance = readClassifierInstance(tenant, cls.getInstanceName());
202 if (classifierInstance != null) {
203 classifierBuilder.setClassifierDefinitionId(classifierInstance.getClassifierDefinitionId());
204 classifierBuilder.setParameterValue(classifierInstance.getParameterValue());
206 classifiers.add(classifierBuilder.build());
208 resolvedRuleBuilder.setClassifier(classifiers);
210 List<Action> actions = new ArrayList<>();
211 for (ActionRef act : rule.getActionRef()) {
212 ActionBuilder actionBuilder = new ActionBuilder();
213 actionBuilder.setName(act.getName());
214 actionBuilder.setKey(new ActionKey(act.getName()));
215 actionBuilder.setOrder(act.getOrder());
216 ActionInstance actionInstance = readActionInstance(tenant, act.getName());
217 if (actionInstance != null) {
218 actionBuilder.setActionDefinitionId(actionInstance.getActionDefinitionId());
219 actionBuilder.setParameterValue(actionInstance.getParameterValue());
221 actions.add(actionBuilder.build());
223 resolvedRuleBuilder.setAction(actions);
226 resolvedRules.add(resolvedRuleBuilder.build());
228 return resolvedRules;
231 private static org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.classifiers.Classifier.ConnectionTracking convertConnectionTracking(
232 ConnectionTracking connectionTracking) {
233 if (connectionTracking == null) {
236 return org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.classifiers.Classifier.ConnectionTracking
237 .forValue(connectionTracking.getIntValue());
240 private static ClassifierInstance readClassifierInstance(Tenant tenant, ClassifierName instanceName) {
241 if (tenant.getPolicy() == null || tenant.getPolicy().getSubjectFeatureInstances() == null
242 || tenant.getPolicy().getSubjectFeatureInstances().getClassifierInstance() == null) {
245 for (ClassifierInstance instance : tenant.getPolicy().getSubjectFeatureInstances().getClassifierInstance()) {
246 if (instance.getName().equals(instanceName)) {
253 private static ActionInstance readActionInstance(Tenant tenant, ActionName instanceName) {
254 if (tenant.getPolicy() == null || tenant.getPolicy().getSubjectFeatureInstances() == null
255 || tenant.getPolicy().getSubjectFeatureInstances().getActionInstance() == null) {
258 for (ActionInstance instance : tenant.getPolicy().getSubjectFeatureInstances().getActionInstance()) {
259 if (instance.getName().equals(instanceName)) {
266 private static EndpointIdentificationConstraints buildEndpointIdentificationConstraints(
267 EndpointConstraint endpointConstraint) {
268 if (isNullOrEmpty(endpointConstraint.getL3EpPrefixes())) {
271 List<PrefixConstraint> prefixConstraints = new ArrayList<>();
272 prefixConstraints.addAll(endpointConstraint.getL3EpPrefixes());
273 L3EndpointIdentificationConstraintsBuilder l3EndpointIdentificationConstraintsBuilder =
274 new L3EndpointIdentificationConstraintsBuilder();
275 l3EndpointIdentificationConstraintsBuilder.setPrefixConstraint(prefixConstraints);
276 EndpointIdentificationConstraintsBuilder endpointIdentificationConstraintsBuilder =
277 new EndpointIdentificationConstraintsBuilder();
278 endpointIdentificationConstraintsBuilder
279 .setL3EndpointIdentificationConstraints(l3EndpointIdentificationConstraintsBuilder.build());
280 return endpointIdentificationConstraintsBuilder.build();
283 private static EndpointConditions buildConditionSet(ConditionSet conditionSet) {
284 EndpointConditionsBuilder endpointConditionsBuilder = new EndpointConditionsBuilder();
286 if (isNullOrEmpty(conditionSet.getTypeAll()) && isNullOrEmpty(conditionSet.getTypeAny())
287 && isNullOrEmpty(conditionSet.getTypeNone())) {
291 if (!isNullOrEmpty(conditionSet.getTypeAll())) {
292 List<AllCondition> allConditions = new ArrayList<>();
293 for (ConditionName c : conditionSet.getTypeAll()) {
294 AllConditionBuilder allConditionBuilder = new AllConditionBuilder();
295 allConditionBuilder.setName(c);
296 allConditions.add(allConditionBuilder.build());
298 endpointConditionsBuilder.setAllCondition(allConditions);
300 if (!isNullOrEmpty(conditionSet.getTypeNone())) {
301 List<NoneCondition> noneConditions = new ArrayList<>();
302 for (ConditionName c : conditionSet.getTypeNone()) {
303 NoneConditionBuilder noneConditionBuilder = new NoneConditionBuilder();
304 noneConditionBuilder.setName(c);
305 noneConditions.add(noneConditionBuilder.build());
307 endpointConditionsBuilder.setNoneCondition(noneConditions);
309 if (!isNullOrEmpty(conditionSet.getTypeAny())) {
310 Set<ConditionName> typeAnyMergedSet = new HashSet<>();
311 for (Set<ConditionName> cSet : conditionSet.getTypeAny()) {
312 typeAnyMergedSet.addAll(cSet);
314 List<AnyCondition> anyConditions = new ArrayList<>();
315 for (ConditionName c : typeAnyMergedSet) {
316 AnyConditionBuilder anyConditionBuilder = new AnyConditionBuilder();
317 anyConditionBuilder.setName(c);
318 anyConditions.add(anyConditionBuilder.build());
320 endpointConditionsBuilder.setAnyCondition(anyConditions);
323 return endpointConditionsBuilder.build();
326 private static <T> boolean isNullOrEmpty(Collection<T> collection) {
327 return (collection == null || collection.isEmpty());