gerrit.onap Code Review - ccsdk/features.git/blob

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP : CCSDK
   4  * ================================================================================
   5  * Copyright (C) 2021-2022 Wipro Limited.
   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.ccsdk.features.sdnr.northbound.addCMHandle;
  22
  23 import com.fasterxml.jackson.core.JsonProcessingException;
  24 import com.fasterxml.jackson.databind.ObjectMapper;
  25 import com.google.common.util.concurrent.ListenableFuture;
  26
  27 import java.io.FileInputStream;
  28 import java.io.IOException;
  29 import java.sql.Timestamp;
  30 import java.util.ArrayList;
  31 import java.util.Collection;
  32 import java.util.HashMap;
  33 import java.util.List;
  34 import java.util.Map;
  35 import java.util.Objects;
  36 import java.util.Properties;
  37
  38 import org.eclipse.jdt.annotation.NonNull;
  39 import org.onap.ccsdk.features.sdnr.northbound.addCMHandle.HttpRequester;
  40 import org.onap.ccsdk.features.sdnr.northbound.addCMHandle.models.CpsCmHandleRequestBody;
  41 import org.onap.ccsdk.sli.core.utils.common.EnvProperties;
  42 import org.opendaylight.mdsal.binding.api.DataBroker;
  43 import org.opendaylight.mdsal.binding.api.DataObjectModification;
  44 import org.opendaylight.mdsal.binding.api.DataObjectModification.ModificationType;
  45 import org.opendaylight.mdsal.binding.api.DataTreeChangeListener;
  46 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
  47 import org.opendaylight.mdsal.binding.api.DataTreeModification;
  48 import org.opendaylight.mdsal.binding.api.MountPointService;
  49 import org.opendaylight.mdsal.binding.api.NotificationPublishService;
  50 import org.opendaylight.mdsal.binding.api.RpcProviderService;
  51 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
  52 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  53 import org.opendaylight.mdsal.dom.api.DOMMountPointService;
  54 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceProvider;
  55 import org.opendaylight.yang.gen.v1.org.onap.ccsdk.rev210615.AddCMHandleInput;
  56 import org.opendaylight.yang.gen.v1.org.onap.ccsdk.rev210615.AddCMHandleOutput;
  57 import org.opendaylight.yang.gen.v1.org.onap.ccsdk.rev210615.AddCMHandleOutputBuilder;
  58 import org.opendaylight.yang.gen.v1.org.onap.ccsdk.rev210615.CMHandleAPIService;
  59 import org.opendaylight.yang.gen.v1.org.onap.ccsdk.rev210615.status.StatusBuilder;
  60 import org.opendaylight.yang.gen.v1.org.onap.cps.ncmp.rev210520.DmiRegistryBuilder;
  61 import org.opendaylight.yang.gen.v1.org.onap.cps.ncmp.rev210520.dmi.registry.CmHandle;
  62 import org.opendaylight.yang.gen.v1.org.onap.cps.ncmp.rev210520.dmi.registry.CmHandleBuilder;
  63 import org.opendaylight.yang.gen.v1.org.onap.cps.ncmp.rev210520.dmi.registry.CmHandleKey;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.network.topology.topology.topology.types.TopologyNetconf;
  65 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  66 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  67 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  68 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  69 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  70 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  71 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  72 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  73 import org.opendaylight.yangtools.yang.common.RpcResult;
  74 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  75 import org.opendaylight.yangtools.yang.model.parser.api.YangParserFactory;
  76 import org.slf4j.Logger;
  77 import org.slf4j.LoggerFactory;
  78
  79 public class AddCMHandleProvider implements CMHandleAPIService, AutoCloseable {
  80
  81     private static final Logger LOG = LoggerFactory.getLogger(AddCMHandleProvider.class);
  82     private final ObjectMapper objMapper = new ObjectMapper();
  83     private final String APPLICATION_NAME = "addCMHandle";
  84     private static final String SDNC_CONFIG_DIR = "SDNC_CONFIG_DIR";
  85     private static final String PROPERTIES_FILE_NAME = "cm-handle.properties";
  86     private static HashMap<String, String> config;
  87     private ListenerRegistration<AddCmHandleListener> listener;
  88     private static final @NonNull InstanceIdentifier<Node> NETCONF_NODE_TOPO_IID =
  89             InstanceIdentifier.create(NetworkTopology.class)
  90                     .child(Topology.class, new TopologyKey(new TopologyId(TopologyNetconf.QNAME.getLocalName())))
  91                     .child(Node.class);
  92     private static final @NonNull DataTreeIdentifier<Node> NETCONF_NODE_TOPO_TREE_ID =
  93             DataTreeIdentifier.create(LogicalDatastoreType.OPERATIONAL, NETCONF_NODE_TOPO_IID);
  94
  95     private DataBroker dataBroker;
  96     private MountPointService mountPointService;
  97     private DOMMountPointService domMountPointService;
  98     private RpcProviderService rpcProviderRegistry;
  99     @SuppressWarnings("unused")
 100     private NotificationPublishService notificationPublishService;
 101     @SuppressWarnings("unused")
 102     private ClusterSingletonServiceProvider clusterSingletonServiceProvider;
 103     private YangParserFactory yangParserFactory;
 104     private BindingNormalizedNodeSerializer bindingNormalizedNodeSerializer;
 105     private Boolean isInitializationSuccessful = false;
 106     private Long lastNotificationSentOn = Long.valueOf(0);
 107     private List<String> nodeIdList = new ArrayList<>();
 108
 109     public AddCMHandleProvider() {
 110
 111         LOG.info("Creating provider for {}", APPLICATION_NAME);
 112         this.dataBroker = null;
 113         this.mountPointService = null;
 114         this.domMountPointService = null;
 115         this.rpcProviderRegistry = null;
 116         this.notificationPublishService = null;
 117         this.clusterSingletonServiceProvider = null;
 118         this.yangParserFactory = null;
 119         this.bindingNormalizedNodeSerializer = null;
 120
 121     }
 122
 123     public void setDataBroker(DataBroker dataBroker) {
 124         this.dataBroker = dataBroker;
 125     }
 126
 127     public void setRpcProviderRegistry(RpcProviderService rpcProviderRegistry) {
 128         this.rpcProviderRegistry = rpcProviderRegistry;
 129     }
 130
 131     public void setNotificationPublishService(NotificationPublishService notificationPublishService) {
 132         this.notificationPublishService = notificationPublishService;
 133     }
 134
 135     public void setMountPointService(MountPointService mountPointService) {
 136         this.mountPointService = mountPointService;
 137     }
 138
 139     public void setDomMountPointService(DOMMountPointService domMountPointService) {
 140         this.domMountPointService = domMountPointService;
 141     }
 142
 143     public void setClusterSingletonService(ClusterSingletonServiceProvider clusterSingletonService) {
 144         this.clusterSingletonServiceProvider = clusterSingletonService;
 145     }
 146
 147     public void setYangParserFactory(YangParserFactory yangParserFactory) {
 148         this.yangParserFactory = yangParserFactory;
 149     }
 150
 151     public void setBindingNormalizedNodeSerializer(BindingNormalizedNodeSerializer bindingNormalizedNodeSerializer) {
 152         this.bindingNormalizedNodeSerializer = bindingNormalizedNodeSerializer;
 153         LOG.info("Init bindingNormalizedNodeSerializer");
 154     }
 155
 156     public Boolean isInitializationSuccessful() {
 157         return isInitializationSuccessful;
 158     }
 159
 160     public void init() {
 161         LOG.info("Initializing {} for {}", this.getClass().getName(), APPLICATION_NAME);
 162
 163         String propDir = System.getenv(SDNC_CONFIG_DIR);
 164         if (propDir == null) {
 165             LOG.error("Environment variable SDNC_CONFIG_DIR is not set");
 166             propDir = "/opt/onap/ccsdk/data/properties/";
 167         } else if (!propDir.endsWith("/")) {
 168             propDir = propDir + "/";
 169         }
 170
 171         config = new HashMap<String, String>();
 172
 173         try (FileInputStream fileInput = new FileInputStream(propDir + PROPERTIES_FILE_NAME)) {
 174             EnvProperties properties = new EnvProperties();
 175             properties.load(fileInput);
 176
 177             for (String param : new String[] {"cpsUrl", "user", "password", "dmaapUrl", "dmiServiceName", "client",
 178                     "timerThreshold"}) {
 179                 config.put(param, properties.getProperty(param));
 180             }
 181         } catch (IOException e) {
 182             LOG.error("Error while reading properties file: ", e);
 183         }
 184
 185         listener = dataBroker.registerDataTreeChangeListener(NETCONF_NODE_TOPO_TREE_ID, new AddCmHandleListener());
 186         isInitializationSuccessful = true;
 187         LOG.info("Initialization complete for {}", APPLICATION_NAME);
 188         LOG.info("addCMHandle Session Initiated");
 189     }
 190
 191     /**
 192      * AddCmHandleListener
 193      */
 194     private class AddCmHandleListener implements DataTreeChangeListener<Node> {
 195
 196         @Override
 197         public void onDataTreeChanged(@NonNull Collection<DataTreeModification<Node>> changes) {
 198             LOG.info("AddCmHandleListener TreeChange enter changes: {}", changes.size());
 199             LOG.info("config: " + config);
 200             String nodeId = getNodeId(changes);
 201             if (Objects.nonNull(nodeId) && !(nodeIdList.contains(nodeId))) {
 202                 nodeIdList.add(nodeId);
 203             }
 204             Timestamp currentTime = new Timestamp(System.currentTimeMillis());
 205             Long difference = currentTime.getTime() - lastNotificationSentOn;
 206             if (difference > Long.valueOf(config.get("timerThreshold"))) {
 207                 sendNotification(nodeIdList);
 208                 nodeIdList.clear();
 209             }
 210
 211         }
 212     }
 213
 214     /**
 215      * Method to get nodeId.
 216      */
 217     private String getNodeId(@NonNull Collection<DataTreeModification<Node>> changes) {
 218         String nodeIdString = null;
 219         for (final DataTreeModification<Node> change : changes) {
 220
 221             final DataObjectModification<Node> root = change.getRootNode();
 222             try {
 223                 ModificationType modificationTyp = root.getModificationType();
 224                 if ((modificationTyp != ModificationType.DELETE)) {
 225
 226                     Node node = root.getDataAfter();
 227                     NodeId nodeId = node != null ? node.getNodeId() : null;
 228                     if (nodeId == null) {
 229                         LOG.info("without nodeid");
 230                     } else {
 231                         nodeIdString = nodeId.getValue();
 232                         LOG.info("AddCmHandle for nodeId: {}", nodeIdString);
 233                     }
 234                 }
 235
 236             } catch (NullPointerException | IllegalStateException e) {
 237                 LOG.info("Data not available at ", e);
 238             }
 239         }
 240
 241         return nodeIdString;
 242     }
 243
 244     /**
 245      * Method called when cm-handle notification is to be sent.
 246      */
 247     protected void sendNotification(List<String> nodeIdList) {
 248
 249         String sendNotificationTo = config.get("client");
 250         lastNotificationSentOn = new Timestamp(System.currentTimeMillis()).getTime();
 251         if (sendNotificationTo.equalsIgnoreCase("CPS")) {
 252             sendNotificationToCps(nodeIdList);
 253
 254         }
 255         if (sendNotificationTo.equalsIgnoreCase("DMAAP")) {
 256             sendNotificationToDmaap(nodeIdList);
 257         }
 258
 259         else {
 260             sendNotificationToCps(nodeIdList);
 261             sendNotificationToDmaap(nodeIdList);
 262         }
 263         lastNotificationSentOn = new Timestamp(System.currentTimeMillis()).getTime();
 264
 265     }
 266
 267     /**
 268      * Method called when cm-handle notification is to be sent to CPS.
 269      */
 270     protected String sendNotificationToCps(List<String> nodeIdList) {
 271
 272         LOG.info("Sending Notification to CPS");
 273         String userCredential = config.get("user") + ":" + config.get("password");
 274         String url = config.get("cpsUrl");
 275         String requestBody = null;
 276         CpsCmHandleRequestBody cpsCmHandleRequestBody = new CpsCmHandleRequestBody(nodeIdList);
 277         LOG.info("url {}", url);
 278         LOG.info("userCredential: {}", userCredential);
 279         try {
 280             requestBody = objMapper.writeValueAsString(cpsCmHandleRequestBody);
 281             LOG.info("requestBody{} ", requestBody);
 282         } catch (JsonProcessingException e) {
 283             LOG.error("ERROR: {}", e);
 284         }
 285         String response = HttpRequester.sendPostRequest(url, userCredential, requestBody);
 286         LOG.info("response from CPS: {} ", response);
 287         return response;
 288
 289     }
 290
 291     /**
 292      * Method called when cm-handle notification is to be sent to Dmaap.
 293      */
 294     protected String sendNotificationToDmaap(List<String> nodeIdList) {
 295
 296         LOG.info("Sending Notification to Dmaap");
 297         String url = config.get("dmaapUrl");
 298         Map<CmHandleKey, CmHandle> values = new HashMap<>();
 299         nodeIdList.forEach(nodeId -> {
 300             CmHandleBuilder cmHandleBuilder = new CmHandleBuilder();
 301             cmHandleBuilder.setDmiServiceName(config.get("dmiServiceName"));
 302             cmHandleBuilder.setId(nodeId);
 303             CmHandleKey cmHandleKey = new CmHandleKey(nodeId);
 304             values.put(cmHandleKey, cmHandleBuilder.build());
 305         });
 306         DmiRegistryBuilder dmiRegistryBuilder = new DmiRegistryBuilder();
 307         dmiRegistryBuilder.setCmHandle(values);
 308
 309         String requestBody = null;
 310         LOG.info("url: {}", url);
 311         try {
 312             requestBody = objMapper.writeValueAsString(dmiRegistryBuilder.build());
 313             LOG.info("requestBody: {}", requestBody);
 314         } catch (JsonProcessingException e) {
 315             LOG.error("ERROR: {}", e);
 316         }
 317         String response = HttpRequester.sendPostRequest(url, null, requestBody);
 318         LOG.info("response from Dmaap: {}", response);
 319         return response;
 320
 321     }
 322
 323     /**
 324      * Method called when the blueprint container is destroyed.
 325      */
 326     @Override
 327     public void close() {
 328         if (Objects.nonNull(listener)) {
 329             listener.close();
 330         }
 331         LOG.debug("AddCMHandleProvider Closed");
 332     }
 333
 334     @Override
 335     public ListenableFuture<RpcResult<AddCMHandleOutput>> addCMHandle(AddCMHandleInput input) {
 336         StatusBuilder statusBuilder = new StatusBuilder();
 337         statusBuilder.setMessage("SUCCESS");
 338         return RpcResultBuilder.success(new AddCMHandleOutputBuilder().setStatus(statusBuilder.build()).build())
 339                 .buildFuture();
 340
 341     }
 342 }