adapters/mso-adapters-rest-interface/src/main/java/org/onap/so/openstack/mappers/NetworkInfoMapper.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP - SO
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.so.openstack.mappers;
  22
  23 import java.util.ArrayList;
  24 import java.util.HashMap;
  25 import java.util.List;
  26 import java.util.Map;
  27 import java.util.Optional;
  28
  29 import org.javatuples.Pair;
  30 import org.onap.so.openstack.beans.NetworkInfo;
  31 import org.onap.so.openstack.beans.NetworkStatus;
  32
  33 import com.woorea.openstack.quantum.model.Network;
  34 import com.woorea.openstack.quantum.model.Segment;
  35
  36 public class NetworkInfoMapper {
  37
  38         private final Network network;
  39         private final Map<String,NetworkStatus> networkStatusMap = new HashMap<>();
  40
  41         public NetworkInfoMapper(Network network) {
  42                 this.network = network;
  43                 configureNetworkStatusMap();
  44         }
  45
  46         /**
  47          * Capture the data from a Neutron Network object.
  48          *
  49          * For MSO, there are assumptions regarding all networks.
  50          * - Everything will be a provider network
  51          * - All provider networks are VLANs
  52          * - Multiple VLANs are supported, and indicated by multi-provider segments.
  53          *   Each will have the same physical network & network type "vlan".
  54          *
  55          * @param network
  56          */
  57         public NetworkInfo map() {
  58                 final NetworkInfo info = new NetworkInfo();
  59                 if (network == null) {
  60                         info.setStatus(NetworkStatus.NOTFOUND);
  61                 } else {
  62                         info.setName(network.getName());
  63                         info.setId(network.getId());
  64                         info.setStatus(this.mapStatus(network.getStatus()));
  65                         Pair<Optional<String>, List<Integer>> result = locateVlanInformation(network);
  66                         Optional<String> value0 = result.getValue0();
  67                         if (value0.isPresent()) {
  68                                 info.setProvider(value0.get());
  69                         }
  70                         info.setVlans(result.getValue1());
  71                         info.setSubnets(network.getSubnets());
  72                 }
  73                 return info;
  74         }
  75
  76         protected NetworkStatus mapStatus(String status) {
  77                 return networkStatusMap.getOrDefault(status, NetworkStatus.UNKNOWN);
  78         }
  79
  80         protected Pair<Optional<String>, List<Integer>> locateVlanInformation(Network network) {
  81                 final List<Integer> vlans = new ArrayList<>();
  82                 Optional<String> provider = Optional.empty();
  83                 if (network.getProviderPhysicalNetwork() != null) {
  84                         provider = Optional.ofNullable(network.getProviderPhysicalNetwork());
  85                         if ("vlan".equals(network.getProviderNetworkType())) {
  86                                 vlans.add(network.getProviderSegmentationId());
  87                         }
  88                 } else if (network.getSegments() != null && !network.getSegments().isEmpty()) {
  89                         Segment s = network.getSegments().get(0);
  90                         provider = Optional.ofNullable(s.getProviderPhysicalNetwork());
  91                         if ("vlan".equals(s.getProviderNetworkType())) {
  92                                 for (Segment s1 : network.getSegments()) {
  93                                         vlans.add(s1.getProviderSegmentationId());
  94                                 }
  95                         }
  96                 }
  97
  98                 return Pair.with(provider, vlans);
  99         }
 100
 101         private void configureNetworkStatusMap() {
 102                 networkStatusMap.put("ACTIVE", NetworkStatus.ACTIVE);
 103                 networkStatusMap.put("DOWN", NetworkStatus.DOWN);
 104                 networkStatusMap.put("BUILD", NetworkStatus.BUILD);
 105                 networkStatusMap.put("ERROR", NetworkStatus.ERROR);
 106         }
 107 }