2 * Copyright (c) 2016, 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.vpnmanager.intervpnlink;
10 import java.math.BigInteger;
11 import java.util.List;
12 import javax.annotation.PostConstruct;
13 import javax.inject.Inject;
14 import javax.inject.Singleton;
15 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
16 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
17 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
18 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
19 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
20 import org.opendaylight.netvirt.vpnmanager.VpnFootprintService;
21 import org.opendaylight.netvirt.vpnmanager.api.intervpnlink.InterVpnLinkCache;
22 import org.opendaylight.netvirt.vpnmanager.api.intervpnlink.InterVpnLinkDataComposite;
23 import org.opendaylight.netvirt.vpnmanager.intervpnlink.tasks.InterVpnLinkCleanedCheckerTask;
24 import org.opendaylight.netvirt.vpnmanager.intervpnlink.tasks.InterVpnLinkCreatorTask;
25 import org.opendaylight.netvirt.vpnmanager.intervpnlink.tasks.InterVpnLinkRemoverTask;
26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Uri;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.netvirt.inter.vpn.link.rev160311.inter.vpn.links.InterVpnLink;
28 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
29 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
30 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
31 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
32 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
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;
39 * Listens for Nodes going down, in order to check if the InterVpnLink must be
40 * moved to some other DPN.
43 public class InterVpnLinkNodeListener extends AsyncDataTreeChangeListenerBase<Node, InterVpnLinkNodeListener> {
44 private static final Logger LOG = LoggerFactory.getLogger(InterVpnLinkNodeListener.class);
46 public static final TopologyId FLOW_TOPOLOGY_ID = new TopologyId(new Uri("flow:1"));
48 private final DataBroker dataBroker;
49 private final IMdsalApiManager mdsalManager;
50 private final VpnFootprintService vpnFootprintService;
51 private final JobCoordinator jobCoordinator;
52 private final InterVpnLinkCache interVpnLinkCache;
55 public InterVpnLinkNodeListener(final DataBroker dataBroker, final IMdsalApiManager mdsalMgr,
56 final VpnFootprintService vpnFootprintService,
57 final JobCoordinator jobCoordinator, final InterVpnLinkCache interVpnLinkCache) {
58 this.dataBroker = dataBroker;
59 this.mdsalManager = mdsalMgr;
60 this.vpnFootprintService = vpnFootprintService;
61 this.jobCoordinator = jobCoordinator;
62 this.interVpnLinkCache = interVpnLinkCache;
67 LOG.info("{} start", getClass().getSimpleName());
68 registerListener(LogicalDatastoreType.OPERATIONAL, dataBroker);
72 protected InstanceIdentifier<Node> getWildCardPath() {
73 return InstanceIdentifier.create(NetworkTopology.class)
74 .child(Topology.class, new TopologyKey(FLOW_TOPOLOGY_ID))
79 protected InterVpnLinkNodeListener getDataTreeChangeListener() {
80 return InterVpnLinkNodeListener.this;
84 protected void add(InstanceIdentifier<Node> identifier, Node add) {
85 NodeId nodeId = add.getNodeId();
86 String[] node = nodeId.getValue().split(":");
87 if (node.length < 2) {
88 LOG.warn("Unexpected nodeId {}", nodeId.getValue());
91 BigInteger dpId = new BigInteger(node[1]);
92 jobCoordinator.enqueueJob("IVpnLink" + dpId.toString(),
93 new InterVpnLinkNodeAddTask(dataBroker, mdsalManager, vpnFootprintService, dpId, interVpnLinkCache));
97 protected void remove(InstanceIdentifier<Node> identifier, Node del) {
98 LOG.trace("Node {} has been deleted", identifier.firstKeyOf(Node.class).toString());
99 NodeId nodeId = del.getNodeId();
100 String[] node = nodeId.getValue().split(":");
101 if (node.length < 2) {
102 LOG.warn("Unexpected nodeId {}", nodeId.getValue());
105 BigInteger dpId = new BigInteger(node[1]);
106 List<InterVpnLinkDataComposite> allInterVpnLinks = interVpnLinkCache.getAllInterVpnLinks();
107 allInterVpnLinks.stream()
108 .filter(ivl -> ivl.stepsOnDpn(dpId)) // Only those affected by DPN going down
109 .forEach(this::reinstallInterVpnLink); // Move them somewhere else
112 private void reinstallInterVpnLink(InterVpnLinkDataComposite ivl) {
113 String ivlName = ivl.getInterVpnLinkName();
114 LOG.debug("Reinstalling InterVpnLink {} affected by node going down", ivlName);
115 // Lets move the InterVpnLink to some other place. Basically, remove it and create it again
116 InstanceIdentifier<InterVpnLink> interVpnLinkIid = InterVpnLinkUtil.getInterVpnLinkPath(ivlName);
117 String specificJobKey = "InterVpnLink.update." + ivlName;
118 InterVpnLink interVpnLink = ivl.getInterVpnLinkConfig();
119 jobCoordinator.enqueueJob(specificJobKey, new InterVpnLinkRemoverTask(dataBroker, interVpnLinkIid));
120 jobCoordinator.enqueueJob(specificJobKey, new InterVpnLinkCleanedCheckerTask(dataBroker, interVpnLink));
121 jobCoordinator.enqueueJob(specificJobKey, new InterVpnLinkCreatorTask(dataBroker, interVpnLink));
125 protected void update(InstanceIdentifier<Node> identifier, Node original, Node update) {