impl/src/main/java/org/opendaylight/unimgr/command/UniCreateCommand.java

   1 /*
   2  * Copyright (c) 2015 CableLabs 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 package org.opendaylight.unimgr.command;
   9
  10 import java.util.List;
  11 import java.util.Map;
  12 import java.util.Map.Entry;
  13
  14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.unimgr.impl.UnimgrConstants;
  17 import org.opendaylight.unimgr.impl.UnimgrMapper;
  18 import org.opendaylight.unimgr.impl.UnimgrUtils;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeRef;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.unimgr.rev151012.UniAugmentation;
  22 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  23 import org.opendaylight.yangtools.yang.binding.DataObject;
  24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 import com.google.common.base.Optional;
  29
  30 public class UniCreateCommand extends AbstractCreateCommand {
  31
  32     private static final Logger LOG = LoggerFactory.getLogger(UniCreateCommand.class);
  33
  34     public UniCreateCommand(DataBroker dataBroker,
  35             Map<InstanceIdentifier<?>, DataObject> changes) {
  36         super.dataBroker = dataBroker;
  37         super.changes = changes;
  38     }
  39
  40     @Override
  41     public void execute() {
  42         for (Entry<InstanceIdentifier<?>, DataObject> created : changes.entrySet()) {
  43             if (created.getValue() != null && created.getValue() instanceof UniAugmentation) {
  44                 UniAugmentation uni = (UniAugmentation) created.getValue();
  45                 InstanceIdentifier<?> uniKey = created.getKey();
  46                 LOG.info("New UNI created {}.", uni.getIpAddress().getIpv4Address());
  47                 /* We assume that when the user specifies the
  48                  * ovsdb-node-ref that the node already exists in
  49                  * the controller and that the OVS instance is in
  50                  * active mode.
  51                  *
  52                  * We assume that when the user doesn't specify the
  53                  * ovsdb-node-id that the node doesn't exist therefor
  54                  * has to be created with the IP address because it's
  55                  * in passive mode.
  56                  *
  57                  * Active mode (TCP): the UUID is in format ovsdb://UUID
  58                  * Passive mode (PTCP): the UUID is in format ovsdb://IP:6640
  59                  *
  60                  */
  61                 OvsdbNodeRef ovsdbNodeRef = uni.getOvsdbNodeRef();
  62                 if (ovsdbNodeRef != null || ovsdbNodeRef.getValue() != null) {
  63                     Optional<Node> optionalNode = UnimgrUtils.readNode(dataBroker, ovsdbNodeRef.getValue());
  64                     if (optionalNode.isPresent()) {
  65                         Node ovsdbNode = optionalNode.get();
  66                         UnimgrUtils.createBridgeNode(dataBroker,
  67                                                      ovsdbNode, uni,
  68                                                      UnimgrConstants.DEFAULT_BRIDGE_NAME);
  69                     } else {
  70                         LOG.info("Invalid OVSDB node instance identifier specified, "
  71                                + "attempting to retrieve the node.");
  72                         Node ovsdbNode = UnimgrUtils.findOvsdbNode(dataBroker, uni);
  73                         if (ovsdbNode != null) {
  74                             LOG.info("Retrieved the OVSDB node {}", ovsdbNode.getNodeId());
  75                             UnimgrUtils.updateUniNode(LogicalDatastoreType.CONFIGURATION,
  76                                                       uniKey,
  77                                                       uni,
  78                                                       ovsdbNode,
  79                                                       dataBroker);
  80                             UnimgrUtils.createBridgeNode(dataBroker,
  81                                     ovsdbNode, uni,
  82                                     UnimgrConstants.DEFAULT_BRIDGE_NAME);
  83                         } else {
  84                             ovsdbNode = UnimgrUtils.createOvsdbNode(dataBroker, uni);
  85                             LOG.info("Could not retrieve the OVSDB node,"
  86                                    + "created a new one: {}", ovsdbNode.getNodeId());
  87                             UnimgrUtils.updateUniNode(LogicalDatastoreType.CONFIGURATION,
  88                                           uniKey,
  89                                           uni,
  90                                           ovsdbNode,
  91                                           dataBroker);
  92                             UnimgrUtils.createBridgeNode(dataBroker,
  93                                                          ovsdbNode,
  94                                                          uni,
  95                                     UnimgrConstants.DEFAULT_BRIDGE_NAME);
  96                         }
  97                     }
  98                 } else {
  99                     // We assume the ovs is in passive mode
 100                     // Check if the ovsdb node exist
 101                     Node ovsdbNode = UnimgrUtils.findOvsdbNode(dataBroker, uni);
 102                     if (ovsdbNode != null) {
 103                         LOG.info("Retrieved the OVSDB node");
 104                         UnimgrUtils.updateUniNode(LogicalDatastoreType.CONFIGURATION,
 105                                                   uniKey,
 106                                                   uni,
 107                                                   ovsdbNode,
 108                                                   dataBroker);
 109                         UnimgrUtils.createBridgeNode(dataBroker,
 110                                                      ovsdbNode,
 111                                                      uni,
 112                                                      UnimgrConstants.DEFAULT_BRIDGE_NAME);
 113                     } else {
 114                         ovsdbNode = UnimgrUtils.createOvsdbNode(dataBroker, uni);
 115                         LOG.info("Could not retrieve the OVSDB node,"
 116                                + "created a new one: {}", ovsdbNode.getNodeId());
 117                         UnimgrUtils.updateUniNode(LogicalDatastoreType.CONFIGURATION,
 118                                                   uniKey,
 119                                                   uni,
 120                                                   ovsdbNode,
 121                                                   dataBroker);
 122                         UnimgrUtils.createBridgeNode(dataBroker,
 123                                                      ovsdbNode,
 124                                                      uni,
 125                                                      UnimgrConstants.DEFAULT_BRIDGE_NAME);
 126                     }
 127                 }
 128             }
 129             if (created.getValue() != null && created.getValue() instanceof OvsdbNodeAugmentation) {
 130                 OvsdbNodeAugmentation ovsdbNodeAugmentation = (OvsdbNodeAugmentation) created
 131                         .getValue();
 132                 InstanceIdentifier<Node> ovsdbIid = created.getKey().firstIdentifierOf(Node.class);
 133                 if (ovsdbNodeAugmentation != null) {
 134                     LOG.info("Received an OVSDB node create {}",
 135                             ovsdbNodeAugmentation.getConnectionInfo()
 136                                     .getRemoteIp().getIpv4Address().getValue());
 137                     List<Node> uniNodes = UnimgrUtils.getUniNodes(dataBroker);
 138                     if (uniNodes != null && !uniNodes.isEmpty()) {
 139                         // This will not scale up very well when the UNI quantity gets to higher numbers.
 140                         for (Node node: uniNodes) {
 141                             UniAugmentation uniAugmentation = node.getAugmentation(UniAugmentation.class);
 142                             if (uniAugmentation.getOvsdbNodeRef() != null
 143                                     && uniAugmentation.getOvsdbNodeRef().getValue() != null) {
 144                                 // The OVS instance is in tcp mode.
 145                                 InstanceIdentifier<Node> ovsdbNodeRefIid =
 146                                         uniAugmentation.getOvsdbNodeRef().getValue().firstIdentifierOf(Node.class);
 147                                 if (ovsdbNodeRefIid.equals(ovsdbIid)) {
 148                                     UnimgrUtils.createBridgeNode(dataBroker, node, uniAugmentation,
 149                                             UnimgrConstants.DEFAULT_BRIDGE_NAME);
 150                                     Optional<Node> optionalOvsdbNode = UnimgrUtils.readNode(dataBroker, ovsdbIid);
 151                                     if (optionalOvsdbNode.isPresent()) {
 152                                         Node ovsdbNode = optionalOvsdbNode.get();
 153                                         InstanceIdentifier<Node> uniIid = UnimgrMapper.createUniIid(dataBroker,
 154                                                 uniAugmentation.getIpAddress());
 155                                         UnimgrUtils.updateUniNode(LogicalDatastoreType.OPERATIONAL, uniIid,
 156                                                 uniAugmentation, ovsdbNode, dataBroker);
 157                                     }
 158                                 }
 159                                 // The OVS instance is in ptcp mode.
 160                             } else if (ovsdbNodeAugmentation.getConnectionInfo().getRemoteIp()
 161                                     .equals(uniAugmentation.getIpAddress())) {
 162                                 InstanceIdentifier<Node> ovsdbNodeIid = uniAugmentation.getOvsdbNodeRef().getValue()
 163                                         .firstIdentifierOf(Node.class);
 164                                 Optional<Node> ovsdbNode = UnimgrUtils.readNode(dataBroker, ovsdbNodeIid);
 165                                 if (ovsdbNode.isPresent()) {
 166                                     InstanceIdentifier<Node> uniIid = UnimgrMapper.createUniIid(dataBroker,
 167                                             uniAugmentation.getIpAddress());
 168                                     UnimgrUtils.updateUniNode(LogicalDatastoreType.OPERATIONAL, uniIid, uniAugmentation,
 169                                             ovsdbNode.get(), dataBroker);
 170                                 } else {
 171                                     LOG.error("Unable to read node with IID {}", ovsdbNodeIid);
 172                                 }
 173                             }
 174                         }
 175                     } else {
 176                         LOG.info("Received a new OVSDB node connection from {}"
 177                                 + ovsdbNodeAugmentation.getConnectionInfo()
 178                                         .getRemoteIp().getIpv4Address());
 179                     }
 180                 }
 181             }
 182         }
 183     }
 184
 185 }