--- /dev/null
+/*
+ * Copyright (c) 2016 Inocybe Technologies and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.vpnservice.impl;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.nic.utils.MdsalUtils;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.intent.constraints.rev150122.FailoverType;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.Intents;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.IntentsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.Actions;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.ActionsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.Constraints;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.ConstraintsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.Subjects;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.SubjectsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.actions.action.allow.AllowBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.actions.action.block.BlockBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.constraints.constraints.failover.constraint.FailoverConstraintBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.constraints.constraints.protection.constraint.ProtectionConstraintBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.subjects.subject.end.point.group.EndPointGroup;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.subjects.subject.end.point.group.EndPointGroupBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intents.Intent;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intents.IntentBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intents.IntentKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.intent.types.rev150122.Uuid;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.Preconditions;
+
+
+public class IntentServiceManager {
+
+ /**
+ * This class is used to build Intents object and
+ * write it to Network Intent Composition md-sal tree
+ * in order to create/delete intents between two endpoint groups.
+ */
+
+ private static final Logger LOG = LoggerFactory.getLogger(IntentServiceManager.class);
+ private static final short FIRST_SUBJECT = 1;
+ private static final short SECOND_SUBJECT = 2;
+ public static final String ACTION_ALLOW = "ALLOW";
+ public static final String ACTION_BLOCK = "BLOCK";
+ public static final String FAST_REROUTE = "fast-reroute";
+ public static final String SLOW_REROUTE = "slow-reroute";
+ private final DataBroker dataBroker;
+ private static final InstanceIdentifier<Intents> INTENTS_IID = InstanceIdentifier.builder(Intents.class).build();
+ private MdsalUtils mdsal;
+
+ public IntentServiceManager(DataBroker dataBroker) {
+ this.dataBroker = dataBroker;
+ this.mdsal = new MdsalUtils(dataBroker);
+ }
+
+ /**
+ * Create Intents object and write to to config tree to trigger intents
+ * @param src :Source Site Name
+ * @param dst :Destination Site Name
+ * @param intentAction :Intent verb: ALLOW or BLOCK
+ * @param failOverType
+ */
+ public void addIntent(String src, String dst, String intentAction, String failOverType) {
+ Preconditions.checkNotNull(src);
+ Preconditions.checkNotNull(dst);
+ Preconditions.checkNotNull(intentAction);
+
+ List<Intent> intentList = null;
+ List<Subjects> subjects = createSubjects(dst, src);
+ List<Actions> intentActions = createActions(intentAction);
+ List<Constraints> intentConstraints = createConstraints(failOverType);
+
+ Intent intent = new IntentBuilder().setId(new Uuid(UUID.randomUUID().toString()))
+ .setSubjects(subjects).setActions(intentActions)
+ .setConstraints(intentConstraints)
+ .build();
+
+ Intents currentIntents = mdsal.read(LogicalDatastoreType.CONFIGURATION, INTENTS_IID);
+ if (currentIntents == null) {
+ intentList = new ArrayList<>();
+ } else {
+ intentList = currentIntents.getIntent();
+ }
+ intentList.add(intent);
+ Intents intents = new IntentsBuilder().setIntent(intentList).build();
+ mdsal.put(LogicalDatastoreType.CONFIGURATION, INTENTS_IID, intents);
+ LOG.info("AddIntent: config populated: {}", intents);
+ }
+
+ /**
+ * Delete an Intent
+ * @param id :Uuid of the Intent to be deleted
+ */
+ public void removeIntent(Uuid id) {
+ Preconditions.checkNotNull(id);
+ InstanceIdentifier<Intent> iid = InstanceIdentifier.create(Intents.class).child(Intent.class, new IntentKey(id));
+ mdsal.delete(LogicalDatastoreType.CONFIGURATION, iid);
+ LOG.info("RemoveIntent succeeded");
+ }
+
+ /**
+ * Remove all associated intents by endpointGroupName
+ * @param endpointGroupName
+ */
+ public void removeIntentsByEndpoint(String endpointGroupName) {
+ Preconditions.checkNotNull(endpointGroupName);
+
+ Intents intents = mdsal.read(LogicalDatastoreType.CONFIGURATION, INTENTS_IID);
+
+ if (intents != null && intents.getIntent() != null) {
+ for (Intent intent : intents.getIntent()) {
+ if (intent.getSubjects() != null && intent.getSubjects().size() > 0) {
+ String endpointValue = "";
+ for (Subjects subject : intent.getSubjects()) {
+ if (subject
+ .getSubject() instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.subjects.subject.EndPointGroup) {
+ org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.subjects.subject.EndPointGroup epg = (org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.subjects.subject.EndPointGroup) subject
+ .getSubject();
+ endpointValue = epg.getEndPointGroup().getName();
+ } else if (subject
+ .getSubject() instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.subjects.subject.EndPointSelector) {
+ org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.subjects.subject.EndPointSelector epg = (org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.subjects.subject.EndPointSelector) subject
+ .getSubject();
+ endpointValue = epg.getEndPointSelector().getEndPointSelector();
+ } else if (subject
+ .getSubject() instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.subjects.subject.EndPointGroupSelector) {
+ org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.subjects.subject.EndPointGroupSelector epg = (org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.subjects.subject.EndPointGroupSelector) subject
+ .getSubject();
+ endpointValue = epg.getEndPointGroupSelector().getEndPointGroupSelector();
+ }
+ if (endpointValue.equalsIgnoreCase(endpointGroupName)) {
+ removeIntent(intent.getId());
+ LOG.info("Deleted Intent ID : {} for endpoint: {}", intent.getId(), endpointGroupName);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * Create a list of Intent actions
+ * @param intentAction
+ * @return :a list of Actions
+ */
+ private List<Actions> createActions(String intentAction) {
+ List<Actions> actionsList = new ArrayList<Actions>();
+ short order = 1;
+ org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.actions.Action action = null;
+ if (intentAction.equalsIgnoreCase(ACTION_ALLOW)) {
+ action = new org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.actions.action
+ .AllowBuilder().setAllow(new AllowBuilder().build()).build();
+ } else if (intentAction.equalsIgnoreCase(ACTION_BLOCK)) {
+ action = new org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.actions.action
+ .BlockBuilder().setBlock(new BlockBuilder().build()).build();
+ }
+
+ Actions intentActions = new ActionsBuilder().setOrder(order).setAction(action).build();
+ actionsList.add(intentActions);
+ return actionsList;
+ }
+
+ /**
+ * Create a list of Intent subjects
+ * @param src :Source Site Name
+ * @param dst :Destination Site Name
+ * @return :a list of Subjects
+ */
+ private List<Subjects> createSubjects(String src, String dst) {
+ List<Subjects> subjectList = new ArrayList<Subjects>();
+
+ EndPointGroup endpointGroupFrom = new EndPointGroupBuilder().setName(src).build();
+ org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.subjects.subject.EndPointGroup fromEPG =
+ new org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.subjects.subject
+ .EndPointGroupBuilder().setEndPointGroup(endpointGroupFrom).build();
+ Subjects subjects1 = new SubjectsBuilder().setOrder(FIRST_SUBJECT).setSubject(fromEPG).build();
+
+ EndPointGroup endpointGroupTo = new EndPointGroupBuilder().setName(dst).build();
+ org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.subjects.subject.EndPointGroup toEPG =
+ new org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.subjects.subject
+ .EndPointGroupBuilder().setEndPointGroup(endpointGroupTo).build();
+ Subjects subjects2 = new SubjectsBuilder().setOrder(SECOND_SUBJECT).setSubject(toEPG).build();
+
+ subjectList.add(subjects1);
+ subjectList.add(subjects2);
+ return subjectList;
+ }
+
+ /**
+ * Create a list of Intent constraints
+ * @param failOverType :Type of failover, fast-reroute or slow-reroute
+ * @return
+ */
+ private List<Constraints> createConstraints(String failOverType) {
+ List<Constraints> intentConstraints = new ArrayList<Constraints>();
+ if (failOverType==null) {
+ return intentConstraints;
+ }
+ short order = 1;
+ org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.constraints.Constraints
+ protectionConstraint = null;
+ org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.constraints.Constraints
+ failoverConstraint = null;
+ if (failOverType.equals(FAST_REROUTE)) {
+ protectionConstraint = new org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent
+ .constraints.constraints.ProtectionConstraintBuilder()
+ .setProtectionConstraint(new ProtectionConstraintBuilder().setIsProtected(true).build()).build();
+ failoverConstraint = new org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.constraints
+ .constraints.FailoverConstraintBuilder()
+ .setFailoverConstraint(new FailoverConstraintBuilder().setFailoverSelector(FailoverType.FastReroute).build())
+ .build();
+ } else if (failOverType.equals(SLOW_REROUTE)) {
+ protectionConstraint = new org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent
+ .constraints.constraints.ProtectionConstraintBuilder()
+ .setProtectionConstraint(new ProtectionConstraintBuilder().setIsProtected(true).build()).build();
+ failoverConstraint = new org.opendaylight.yang.gen.v1.urn.opendaylight.intent.rev150122.intent.constraints
+ .constraints.FailoverConstraintBuilder()
+ .setFailoverConstraint(new FailoverConstraintBuilder().setFailoverSelector(FailoverType.SlowReroute).build())
+ .build();
+ }
+ Constraints constraint1 = new ConstraintsBuilder().setOrder(order).setConstraints(protectionConstraint).build();
+ Constraints constraint2 = new ConstraintsBuilder().setOrder(++order).setConstraints(failoverConstraint).build();
+ intentConstraints.add(constraint1);
+ intentConstraints.add(constraint2);
+ return intentConstraints;
+ }
+}
Code Review / vpnservice.git / blobdiff