Fix findbugs violations in hwvtepsouthbound-impl
[ovsdb.git] / hwvtepsouthbound / hwvtepsouthbound-impl / src / main / java / org / opendaylight / ovsdb / hwvtepsouthbound / transactions / md / HwvtepPhysicalSwitchUpdateCommand.java
1 /*
2  * Copyright (c) 2015, 2017 Ericsson India Global Services Pvt Ltd. and others.  All rights reserved.
3  *
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
7  */
8
9 package org.opendaylight.ovsdb.hwvtepsouthbound.transactions.md;
10
11 import com.google.common.base.Optional;
12 import com.google.common.base.Preconditions;
13 import com.google.common.collect.Sets;
14 import java.util.ArrayList;
15 import java.util.Collections;
16 import java.util.List;
17 import java.util.Map;
18 import java.util.Set;
19 import javax.annotation.Nonnull;
20 import javax.annotation.Nullable;
21 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
22 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
23 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepConnectionInstance;
24 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepSouthboundMapper;
25 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepSouthboundUtil;
26 import org.opendaylight.ovsdb.lib.message.TableUpdates;
27 import org.opendaylight.ovsdb.lib.notation.UUID;
28 import org.opendaylight.ovsdb.lib.schema.DatabaseSchema;
29 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
30 import org.opendaylight.ovsdb.schema.hardwarevtep.PhysicalSwitch;
31 import org.opendaylight.ovsdb.schema.hardwarevtep.Tunnel;
32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentation;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentationBuilder;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalRef;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepNodeName;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepPhysicalSwitchRef;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.PhysicalSwitchAugmentation;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.PhysicalSwitchAugmentationBuilder;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.Switches;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.SwitchesBuilder;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.ManagementIps;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.ManagementIpsBuilder;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.ManagementIpsKey;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.SwitchFaultStatus;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.SwitchFaultStatusBuilder;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.SwitchFaultStatusKey;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.TunnelIps;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.TunnelIpsBuilder;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.TunnelIpsKey;
52 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
53 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
54 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeBuilder;
55 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
56 import org.opendaylight.yangtools.yang.binding.DataObject;
57 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
58 import org.slf4j.Logger;
59 import org.slf4j.LoggerFactory;
60
61 public class HwvtepPhysicalSwitchUpdateCommand extends AbstractTransactionCommand {
62
63     private static final Logger LOG = LoggerFactory.getLogger(HwvtepPhysicalSwitchUpdateCommand.class);
64     private final Map<UUID, PhysicalSwitch> updatedPSRows;
65     private Map<UUID, Tunnel> updatedTunnelRows;
66     private final Map<UUID, PhysicalSwitch> oldPSRows;
67
68     public HwvtepPhysicalSwitchUpdateCommand(HwvtepConnectionInstance key, TableUpdates updates,
69             DatabaseSchema dbSchema) {
70         super(key, updates, dbSchema);
71         updatedPSRows = TyperUtils.extractRowsUpdated(PhysicalSwitch.class, getUpdates(), getDbSchema());
72         oldPSRows = TyperUtils.extractRowsOld(PhysicalSwitch.class, getUpdates(), getDbSchema());
73         try {
74             updatedTunnelRows = TyperUtils.extractRowsUpdated(Tunnel.class, getUpdates(), getDbSchema());
75         } catch (IllegalArgumentException e) {
76             LOG.debug("Tunnel Table not supported on this HWVTEP device", e.getMessage());
77         }
78     }
79
80     @Override
81     public void execute(ReadWriteTransaction transaction) {
82         for (Map.Entry<UUID, PhysicalSwitch> entry : updatedPSRows.entrySet()) {
83             updatePhysicalSwitch(transaction, entry.getKey(), entry.getValue());
84         }
85     }
86
87     private void updatePhysicalSwitch(ReadWriteTransaction transaction, UUID uuid, PhysicalSwitch phySwitch) {
88         final InstanceIdentifier<Node> connectionIId = getOvsdbConnectionInstance().getInstanceIdentifier();
89         //TODO remove this read
90         Optional<Node> connection = HwvtepSouthboundUtil.readNode(transaction, connectionIId);
91         if (connection.isPresent()) {
92             LOG.debug("Connection {} is present", connection);
93             // Update the connection node to let it know it manages this
94             // Physical Switch
95             Node connectionNode = buildConnectionNode(phySwitch);
96             transaction.merge(LogicalDatastoreType.OPERATIONAL, connectionIId, connectionNode);
97
98             // Update the Physical Switch with whatever data we are getting
99             InstanceIdentifier<Node> psIid = getInstanceIdentifier(phySwitch);
100             Node psNode = buildPhysicalSwitchNode(connection.get(), phySwitch);
101             transaction.merge(LogicalDatastoreType.OPERATIONAL, psIid, psNode);
102
103             PhysicalSwitch oldPSwitch = oldPSRows.get(uuid);
104             updateTunnelIps(phySwitch, oldPSwitch, transaction);
105
106             getOvsdbConnectionInstance().getDeviceInfo().putPhysicalSwitch(phySwitch.getUuid(), phySwitch);
107             getDeviceInfo().updateDeviceOperData(Node.class, psIid, phySwitch.getUuid(), phySwitch);
108             // TODO: Delete entries that are no longer needed
109             // TODO: Deletion of tunnels
110             // TODO: Deletion of Tunnel BFD config and params
111             //Deleting old switch fault status entries
112             deleteEntries(transaction, getSwitchFaultStatusToRemove(psIid,phySwitch));
113         }
114     }
115
116     private InstanceIdentifier<TunnelIps> getTunnelIpIid(final String tunnelIp, final InstanceIdentifier<Node> psIid) {
117         IpAddress ip = new IpAddress(tunnelIp.toCharArray());
118         TunnelIps tunnelIps = new TunnelIpsBuilder().setKey(new TunnelIpsKey(ip)).setTunnelIpsKey(ip).build();
119         return psIid.augmentation(PhysicalSwitchAugmentation.class).child(TunnelIps.class, tunnelIps.getKey());
120     }
121
122     private void updateTunnelIps(@Nonnull final PhysicalSwitch newPSwitch, @Nullable final PhysicalSwitch oldPSwitch,
123                                  final ReadWriteTransaction transaction) {
124         Set<String> oldTunnelIps = oldPSwitch != null && oldPSwitch.getTunnelIpsColumn() != null ? oldPSwitch
125                 .getTunnelIpsColumn().getData() : Collections.emptySet();
126         Set<String> newTunelIps = newPSwitch.getTunnelIpsColumn() != null ? newPSwitch
127                 .getTunnelIpsColumn().getData() : Collections.emptySet();
128
129         Set<String> addedTunnelIps = Sets.difference(newTunelIps, oldTunnelIps);
130         Set<String> removedTunnelIps = Sets.difference(oldTunnelIps, newTunelIps);
131
132         InstanceIdentifier<Node> psIid = getInstanceIdentifier(newPSwitch);
133         for (String tunnelIp : removedTunnelIps) {
134             InstanceIdentifier<TunnelIps> tunnelIpsInstanceIdentifier = getTunnelIpIid(tunnelIp, psIid);
135             transaction.delete(LogicalDatastoreType.OPERATIONAL, tunnelIpsInstanceIdentifier);
136         }
137         for (String tunnelIp : addedTunnelIps) {
138             IpAddress ip = new IpAddress(tunnelIp.toCharArray());
139             InstanceIdentifier<TunnelIps> tunnelIpsInstanceIdentifier = getTunnelIpIid(tunnelIp, psIid);
140             TunnelIps tunnelIps = new TunnelIpsBuilder().setKey(new TunnelIpsKey(ip)).setTunnelIpsKey(ip).build();
141             transaction.put(LogicalDatastoreType.OPERATIONAL, tunnelIpsInstanceIdentifier, tunnelIps, true);
142         }
143     }
144
145     private Node buildPhysicalSwitchNode(Node node, PhysicalSwitch phySwitch) {
146         NodeBuilder psNodeBuilder = new NodeBuilder();
147         NodeId psNodeId = getNodeId(phySwitch);
148         psNodeBuilder.setNodeId(psNodeId);
149         PhysicalSwitchAugmentationBuilder psAugmentationBuilder = new PhysicalSwitchAugmentationBuilder();
150         psAugmentationBuilder.setPhysicalSwitchUuid(new Uuid(phySwitch.getUuid().toString()));
151         setManagedBy(psAugmentationBuilder);
152         setPhysicalSwitchId(psAugmentationBuilder, phySwitch);
153         setManagementIps(psAugmentationBuilder, phySwitch);
154         setTunnels(psAugmentationBuilder, phySwitch);
155         setSwitchFaultStatus(psAugmentationBuilder, phySwitch);
156
157         psNodeBuilder.addAugmentation(PhysicalSwitchAugmentation.class, psAugmentationBuilder.build());
158
159         LOG.trace("Built with the intent to store PhysicalSwitch data {}", psAugmentationBuilder.build());
160         return psNodeBuilder.build();
161     }
162
163     private void setTunnels(PhysicalSwitchAugmentationBuilder psAugmentationBuilder, PhysicalSwitch phySwitch) {
164         if (updatedTunnelRows != null && phySwitch.getTunnels() != null && phySwitch.getTunnels().getData() != null
165                 && !phySwitch.getTunnels().getData().isEmpty()) {
166             // Nothing to do but update deviceInfo cache
167             for (UUID uuid: phySwitch.getTunnels().getData()) {
168                 getOvsdbConnectionInstance().getDeviceInfo().putPhysicalSwitchForTunnel(uuid, phySwitch.getUuid());
169             }
170         }
171     }
172
173     private void setManagedBy(PhysicalSwitchAugmentationBuilder psAugmentationBuilder) {
174         InstanceIdentifier<Node> connectionNodePath = getOvsdbConnectionInstance().getInstanceIdentifier();
175         psAugmentationBuilder.setManagedBy(new HwvtepGlobalRef(connectionNodePath));
176     }
177
178     private void setPhysicalSwitchId(PhysicalSwitchAugmentationBuilder psAugmentationBuilder,
179             PhysicalSwitch phySwitch) {
180         if (phySwitch.getName() != null) {
181             psAugmentationBuilder.setHwvtepNodeName(new HwvtepNodeName(phySwitch.getName()));
182         }
183         if (phySwitch.getDescription() != null) {
184             psAugmentationBuilder.setHwvtepNodeDescription(phySwitch.getDescription());
185         }
186     }
187
188     private void setManagementIps(PhysicalSwitchAugmentationBuilder psAugmentationBuilder, PhysicalSwitch phySwitch) {
189         if (phySwitch.getManagementIpsColumn() != null && phySwitch.getManagementIpsColumn().getData() != null
190                 && !phySwitch.getManagementIpsColumn().getData().isEmpty()) {
191             List<ManagementIps> mgmtIps = new ArrayList<>();
192             for (String mgmtIp : phySwitch.getManagementIpsColumn().getData()) {
193                 IpAddress ip = new IpAddress(mgmtIp.toCharArray());
194                 mgmtIps.add(
195                         new ManagementIpsBuilder().setKey(new ManagementIpsKey(ip)).setManagementIpsKey(ip).build());
196             }
197             psAugmentationBuilder.setManagementIps(mgmtIps);
198         }
199     }
200
201     private Node buildConnectionNode(PhysicalSwitch phySwitch) {
202         // Update node with PhysicalSwitch reference
203         NodeBuilder connectionNode = new NodeBuilder();
204         connectionNode.setNodeId(getOvsdbConnectionInstance().getNodeId());
205
206         HwvtepGlobalAugmentationBuilder hgAugmentationBuilder = new HwvtepGlobalAugmentationBuilder();
207         List<Switches> switches = new ArrayList<>();
208         InstanceIdentifier<Node> switchIid =
209                 HwvtepSouthboundMapper.createInstanceIdentifier(getOvsdbConnectionInstance(), phySwitch);
210         hgAugmentationBuilder.setSwitches(switches);
211         Switches physicalSwitch = new SwitchesBuilder().setSwitchRef(new HwvtepPhysicalSwitchRef(switchIid)).build();
212         switches.add(physicalSwitch);
213
214         connectionNode.addAugmentation(HwvtepGlobalAugmentation.class, hgAugmentationBuilder.build());
215
216         LOG.debug("Update node with physicalswitch ref {}", hgAugmentationBuilder.getSwitches().iterator().next());
217         return connectionNode.build();
218     }
219
220     private InstanceIdentifier<Node> getInstanceIdentifier(PhysicalSwitch phySwitch) {
221         return HwvtepSouthboundMapper.createInstanceIdentifier(getOvsdbConnectionInstance(), phySwitch);
222     }
223
224     private NodeId getNodeId(PhysicalSwitch phySwitch) {
225         NodeKey nodeKey = getInstanceIdentifier(phySwitch).firstKeyOf(Node.class);
226         return nodeKey.getNodeId();
227     }
228
229     private <T extends DataObject> void deleteEntries(ReadWriteTransaction transaction,
230             List<InstanceIdentifier<T>> entryIids) {
231         for (InstanceIdentifier<T> entryIid : entryIids) {
232             transaction.delete(LogicalDatastoreType.OPERATIONAL, entryIid);
233         }
234     }
235
236     private List<InstanceIdentifier<SwitchFaultStatus>> getSwitchFaultStatusToRemove(InstanceIdentifier<Node> psIid,
237             PhysicalSwitch phySwitch) {
238         Preconditions.checkNotNull(psIid);
239         Preconditions.checkNotNull(phySwitch);
240         List<InstanceIdentifier<SwitchFaultStatus>> result = new ArrayList<>();
241         PhysicalSwitch oldSwitch = oldPSRows.get(phySwitch.getUuid());
242         if (oldSwitch != null && oldSwitch.getSwitchFaultStatusColumn() != null) {
243             for (String switchFltStat : oldSwitch.getSwitchFaultStatusColumn().getData()) {
244                 if (phySwitch.getSwitchFaultStatusColumn() == null
245                         || !phySwitch.getSwitchFaultStatusColumn().getData().contains(switchFltStat)) {
246                     InstanceIdentifier<SwitchFaultStatus> iid = psIid.augmentation(PhysicalSwitchAugmentation.class)
247                             .child(SwitchFaultStatus.class, new SwitchFaultStatusKey(switchFltStat));
248                     result.add(iid);
249                 }
250             }
251         }
252         return result;
253     }
254
255     private void setSwitchFaultStatus(PhysicalSwitchAugmentationBuilder psAugmentationBuilder,
256             PhysicalSwitch phySwitch) {
257         if (phySwitch.getSwitchFaultStatusColumn() != null && phySwitch.getSwitchFaultStatusColumn().getData() != null
258                 && !phySwitch.getSwitchFaultStatusColumn().getData().isEmpty()) {
259             List<SwitchFaultStatus> switchFaultStatusLst = new ArrayList<>();
260             for (String switchFaultStatus : phySwitch.getSwitchFaultStatusColumn().getData()) {
261                 switchFaultStatusLst
262                         .add(new SwitchFaultStatusBuilder().setKey(new SwitchFaultStatusKey(switchFaultStatus))
263                                 .setSwitchFaultStatusKey(switchFaultStatus).build());
264             }
265             psAugmentationBuilder.setSwitchFaultStatus(switchFaultStatusLst);
266         }
267     }
268 }