natservice/impl/src/main/java/org/opendaylight/netvirt/natservice/cli/DisplayNaptSwithcesCli.java

   1 /*
   2  * Copyright (c) 2017 Red Hat, Inc. 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.netvirt.natservice.cli;
  10
  11 import com.google.common.base.Optional;
  12 import java.io.PrintStream;
  13 import java.math.BigInteger;
  14 import javax.annotation.Nonnull;
  15 import org.apache.karaf.shell.commands.Command;
  16 import org.apache.karaf.shell.console.OsgiCommandSupport;
  17 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  18 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  19 import org.opendaylight.genius.datastoreutils.SingleTransactionDataBroker;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406.BridgeRefInfo;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406.bridge.ref.info.BridgeRefEntry;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406.bridge.ref.info.BridgeRefEntryKey;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.NaptSwitches;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.napt.switches.RouterToNaptSwitch;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.OpenvswitchOtherConfigs;
  28 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  30
  31 @Command(scope = "odl", name = "display-napt-switches", description = "Display the napt switch for the routers.")
  32 public class DisplayNaptSwithcesCli extends OsgiCommandSupport {
  33
  34     private DataBroker dataBroker;
  35     private static final String LOCAL_IP = "local_ip";
  36
  37     public void setDataBroker(DataBroker dataBroker) {
  38         this.dataBroker = dataBroker;
  39     }
  40
  41     @Override
  42     protected Object doExecute() throws Exception {
  43         PrintStream ps = session.getConsole();
  44         Optional<NaptSwitches> npatSwitches = SingleTransactionDataBroker.syncReadOptional(dataBroker,
  45                 LogicalDatastoreType.CONFIGURATION, getNaptSwitchesIdentifier());
  46         ps.printf(String.format(" %-36s  %-20s  %-20s %n", "Router Id ", "Datapath Node Id", "Managment Ip Address"));
  47         ps.printf("-------------------------------------------------------------------------------------------%n");
  48         if (npatSwitches.isPresent()) {
  49             for (RouterToNaptSwitch routerToNaptSwitch : npatSwitches.get().getRouterToNaptSwitch()) {
  50                 ps.printf(String.format(" %-36s  %-20s  %-20s %n", routerToNaptSwitch.getRouterName(),
  51                      routerToNaptSwitch.getPrimarySwitchId(), getDpnLocalIp(routerToNaptSwitch.getPrimarySwitchId())));
  52             }
  53         }
  54         return null;
  55     }
  56
  57     private InstanceIdentifier<NaptSwitches> getNaptSwitchesIdentifier() {
  58         return InstanceIdentifier.builder(NaptSwitches.class).build();
  59     }
  60
  61     @SuppressWarnings("unchecked")
  62     private Optional<Node> getPortsNode(BigInteger dpnId) {
  63         InstanceIdentifier<BridgeRefEntry> bridgeRefInfoPath = InstanceIdentifier.create(BridgeRefInfo.class)
  64                 .child(BridgeRefEntry.class, new BridgeRefEntryKey(dpnId));
  65
  66         Optional<BridgeRefEntry> bridgeRefEntry =
  67                 SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(dataBroker,
  68                         LogicalDatastoreType.OPERATIONAL, bridgeRefInfoPath);
  69         if (!bridgeRefEntry.isPresent()) {
  70             return Optional.absent();
  71         }
  72
  73         InstanceIdentifier<Node> nodeId =
  74                 bridgeRefEntry.get().getBridgeReference().getValue().firstIdentifierOf(Node.class);
  75
  76         return SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(dataBroker,
  77                 LogicalDatastoreType.OPERATIONAL, nodeId);
  78     }
  79
  80     private String getDpnLocalIp(BigInteger dpId) {
  81         return getPortsNode(dpId).toJavaUtil().map(node -> getOpenvswitchOtherConfig(node, LOCAL_IP)).orElse(null);
  82     }
  83
  84     private String getOpenvswitchOtherConfig(Node node, String key) {
  85         OvsdbNodeAugmentation ovsdbNode = node.getAugmentation(OvsdbNodeAugmentation.class);
  86         if (ovsdbNode == null) {
  87             Optional<Node> nodeFromReadOvsdbNode = readOvsdbNode(node);
  88             if (nodeFromReadOvsdbNode.isPresent()) {
  89                 ovsdbNode = nodeFromReadOvsdbNode.get().getAugmentation(OvsdbNodeAugmentation.class);
  90             }
  91         }
  92
  93         if (ovsdbNode != null && ovsdbNode.getOpenvswitchOtherConfigs() != null) {
  94             for (OpenvswitchOtherConfigs openvswitchOtherConfigs : ovsdbNode.getOpenvswitchOtherConfigs()) {
  95                 if (openvswitchOtherConfigs.getOtherConfigKey().equals(key)) {
  96                     return openvswitchOtherConfigs.getOtherConfigValue();
  97                 }
  98             }
  99         }
 100
 101         return null;
 102     }
 103
 104     @Nonnull
 105     private Optional<Node> readOvsdbNode(Node bridgeNode) {
 106         OvsdbBridgeAugmentation bridgeAugmentation = extractBridgeAugmentation(bridgeNode);
 107         if (bridgeAugmentation != null) {
 108             InstanceIdentifier<Node> ovsdbNodeIid =
 109                     (InstanceIdentifier<Node>) bridgeAugmentation.getManagedBy().getValue();
 110             return SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(dataBroker,
 111                     LogicalDatastoreType.OPERATIONAL, ovsdbNodeIid);
 112         }
 113         return Optional.absent();
 114
 115     }
 116
 117     private OvsdbBridgeAugmentation extractBridgeAugmentation(Node node) {
 118         if (node == null) {
 119             return null;
 120         }
 121         return node.getAugmentation(OvsdbBridgeAugmentation.class);
 122     }
 123
 124 }