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.VpnUtil;
22 import org.opendaylight.netvirt.vpnmanager.api.intervpnlink.InterVpnLinkCache;
23 import org.opendaylight.netvirt.vpnmanager.api.intervpnlink.InterVpnLinkDataComposite;
24 import org.opendaylight.netvirt.vpnmanager.intervpnlink.tasks.InterVpnLinkCleanedCheckerTask;
25 import org.opendaylight.netvirt.vpnmanager.intervpnlink.tasks.InterVpnLinkCreatorTask;
26 import org.opendaylight.netvirt.vpnmanager.intervpnlink.tasks.InterVpnLinkRemoverTask;
27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Uri;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.netvirt.inter.vpn.link.rev160311.inter.vpn.links.InterVpnLink;
29 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
30 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
31 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
32 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
33 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
34 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
35 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
36 import org.slf4j.Logger;
37 import org.slf4j.LoggerFactory;
40 * Listens for Nodes going down, in order to check if the InterVpnLink must be
41 * moved to some other DPN.
44 public class InterVpnLinkNodeListener extends AsyncDataTreeChangeListenerBase<Node, InterVpnLinkNodeListener> {
45 private static final Logger LOG = LoggerFactory.getLogger(InterVpnLinkNodeListener.class);
47 public static final TopologyId FLOW_TOPOLOGY_ID = new TopologyId(new Uri("flow:1"));
49 private final DataBroker dataBroker;
50 private final IMdsalApiManager mdsalManager;
51 private final VpnFootprintService vpnFootprintService;
52 private final JobCoordinator jobCoordinator;
53 private final InterVpnLinkCache interVpnLinkCache;
54 private final VpnUtil vpnUtil;
55 private final InterVpnLinkUtil interVpnLinkUtil;
58 public InterVpnLinkNodeListener(final DataBroker dataBroker, final IMdsalApiManager mdsalMgr,
59 final VpnFootprintService vpnFootprintService,
60 final JobCoordinator jobCoordinator, final InterVpnLinkCache interVpnLinkCache,
61 VpnUtil vpnUtil, InterVpnLinkUtil interVpnLinkUtil) {
62 this.dataBroker = dataBroker;
63 this.mdsalManager = mdsalMgr;
64 this.vpnFootprintService = vpnFootprintService;
65 this.jobCoordinator = jobCoordinator;
66 this.interVpnLinkCache = interVpnLinkCache;
67 this.vpnUtil = vpnUtil;
68 this.interVpnLinkUtil = interVpnLinkUtil;
73 LOG.info("{} start", getClass().getSimpleName());
74 registerListener(LogicalDatastoreType.OPERATIONAL, dataBroker);
78 protected InstanceIdentifier<Node> getWildCardPath() {
79 return InstanceIdentifier.create(NetworkTopology.class)
80 .child(Topology.class, new TopologyKey(FLOW_TOPOLOGY_ID))
85 protected InterVpnLinkNodeListener getDataTreeChangeListener() {
86 return InterVpnLinkNodeListener.this;
90 protected void add(InstanceIdentifier<Node> identifier, Node add) {
91 NodeId nodeId = add.getNodeId();
92 String[] node = nodeId.getValue().split(":");
93 if (node.length < 2) {
94 LOG.warn("Unexpected nodeId {}", nodeId.getValue());
97 BigInteger dpId = new BigInteger(node[1]);
98 jobCoordinator.enqueueJob("IVpnLink" + dpId.toString(),
99 new InterVpnLinkNodeAddTask(dataBroker, mdsalManager, vpnFootprintService, dpId, interVpnLinkCache,
100 vpnUtil, interVpnLinkUtil));
104 protected void remove(InstanceIdentifier<Node> identifier, Node del) {
105 LOG.trace("Node {} has been deleted", identifier.firstKeyOf(Node.class).toString());
106 NodeId nodeId = del.getNodeId();
107 String[] node = nodeId.getValue().split(":");
108 if (node.length < 2) {
109 LOG.warn("Unexpected nodeId {}", nodeId.getValue());
112 BigInteger dpId = new BigInteger(node[1]);
113 List<InterVpnLinkDataComposite> allInterVpnLinks = interVpnLinkCache.getAllInterVpnLinks();
114 allInterVpnLinks.stream()
115 .filter(ivl -> ivl.stepsOnDpn(dpId)) // Only those affected by DPN going down
116 .forEach(this::reinstallInterVpnLink); // Move them somewhere else
119 private void reinstallInterVpnLink(InterVpnLinkDataComposite ivl) {
120 String ivlName = ivl.getInterVpnLinkName();
121 LOG.debug("Reinstalling InterVpnLink {} affected by node going down", ivlName);
122 // Lets move the InterVpnLink to some other place. Basically, remove it and create it again
123 InstanceIdentifier<InterVpnLink> interVpnLinkIid = InterVpnLinkUtil.getInterVpnLinkPath(ivlName);
124 String specificJobKey = "InterVpnLink.update." + ivlName;
125 InterVpnLink interVpnLink = ivl.getInterVpnLinkConfig();
126 jobCoordinator.enqueueJob(specificJobKey, new InterVpnLinkRemoverTask(dataBroker, interVpnLinkIid));
127 jobCoordinator.enqueueJob(specificJobKey, new InterVpnLinkCleanedCheckerTask(dataBroker, interVpnLink,
128 interVpnLinkUtil, vpnUtil));
129 jobCoordinator.enqueueJob(specificJobKey, new InterVpnLinkCreatorTask(dataBroker, interVpnLink));
133 protected void update(InstanceIdentifier<Node> identifier, Node original, Node update) {