sdnr/wt/devicemanager/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/housekeeping/ResyncNetworkElementHouskeepingService.java

   1 /*******************************************************************************
   2  * ============LICENSE_START=======================================================
   3  * ONAP : ccsdk feature sdnr wt
   4  *  ================================================================================
   5  * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property.
   6  * All rights reserved.
   7  * ================================================================================
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  * ============LICENSE_END=========================================================
  20  ******************************************************************************/
  21 package org.onap.ccsdk.features.sdnr.wt.devicemanager.housekeeping;
  22
  23 import java.util.ArrayList;
  24 import java.util.List;
  25 import java.util.Optional;
  26 import org.eclipse.jdt.annotation.NonNull;
  27 import org.eclipse.jdt.annotation.Nullable;
  28 import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.DataProvider;
  29 import org.onap.ccsdk.features.sdnr.wt.devicemanager.NetworkElement;
  30 import org.onap.ccsdk.features.sdnr.wt.devicemanager.devicemonitor.impl.DeviceMonitor;
  31 import org.onap.ccsdk.features.sdnr.wt.devicemanager.impl.DeviceManagerImpl;
  32 import org.onap.ccsdk.features.sdnr.wt.devicemanager.impl.handler.ODLEventListenerHandler;
  33 import org.opendaylight.mdsal.binding.api.MountPoint;
  34 import org.opendaylight.mdsal.binding.api.MountPointService;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.network.topology.topology.topology.types.TopologyNetconf;
  36 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  37 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  38 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  39 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  40 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  41 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  42 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  43 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  44 import org.slf4j.Logger;
  45 import org.slf4j.LoggerFactory;
  46
  47 public class ResyncNetworkElementHouskeepingService implements ResyncNetworkElementsListener {
  48
  49     private static final Logger LOG = LoggerFactory.getLogger(ResyncNetworkElementHouskeepingService.class);
  50
  51     private static final InstanceIdentifier<Topology> NETCONF_TOPO_IID =
  52             InstanceIdentifier.create(NetworkTopology.class).child(Topology.class,
  53                     new TopologyKey(new TopologyId(TopologyNetconf.QNAME.getLocalName())));
  54
  55     // Services to use
  56     private final MountPointService mountPointService;
  57     private final ODLEventListenerHandler odlEventListenerHandler;
  58     private final DataProvider databaseClientEvents;
  59     private @Nullable final DeviceMonitor deviceMonitor;
  60     private final DeviceManagerImpl deviceManager;
  61
  62     /** Thread is started to du the clean up action **/
  63     private Thread threadDoClearCurrentFaultByNodename;
  64     /** Indicate number of refresh activities for log **/
  65     private int refreshCounter = 0;
  66
  67     /**
  68      * @param deviceManager to provide devices information
  69      * @param mountPointService service
  70      * @param odlEventListenerHandler handler for events
  71      * @param databaseClientEvents database to clean
  72      * @param deviceMonitor devicemonitor
  73      */
  74     public ResyncNetworkElementHouskeepingService(
  75             DeviceManagerImpl deviceManager,
  76             MountPointService mountPointService, ODLEventListenerHandler odlEventListenerHandler,
  77             DataProvider databaseClientEvents, DeviceMonitor deviceMonitor) {
  78         super();
  79         this.deviceManager = deviceManager;
  80         this.mountPointService = mountPointService;
  81         this.odlEventListenerHandler = odlEventListenerHandler;
  82         this.databaseClientEvents = databaseClientEvents;
  83         this.deviceMonitor = deviceMonitor;
  84     }
  85
  86     /**
  87      * Async RPC Interface implementation
  88      */
  89     @Override
  90     public @NonNull List<String> doClearCurrentFaultByNodename(@Nullable List<String> nodeNamesInput)
  91             throws IllegalStateException {
  92
  93         if (this.databaseClientEvents == null) {
  94             throw new IllegalStateException("dbEvents service not instantiated");
  95         }
  96
  97         if (threadDoClearCurrentFaultByNodename != null && threadDoClearCurrentFaultByNodename.isAlive()) {
  98             throw new IllegalStateException("A clear task is already active");
  99         } else {
 100
 101             // Create list of mountpoints if input is empty, using the content in ES
 102             if (nodeNamesInput == null || nodeNamesInput.size() <= 0) {
 103                 nodeNamesInput = this.databaseClientEvents.getAllNodesWithCurrentAlarms();
 104             }
 105
 106             // Filter all mountpoints from input that were found and are known to this Cluster-node instance of
 107             // DeviceManager
 108             final List<String> nodeNamesHandled = new ArrayList<>();
 109             for (String mountpointName : nodeNamesInput) {
 110                 LOG.info("Work with mountpoint {}", mountpointName);
 111
 112                 if (odlEventListenerHandler != null && mountpointName.equals(odlEventListenerHandler.getOwnKeyName())) {
 113
 114                     // SDN Controller related alarms
 115                     // -- can not be recreated on all nodes in connected state
 116                     // -- would result in a DCAE/AAI Notification
 117                     // Conclusion for 1810 Delivery ... not covered by RPC function (See issue #43)
 118                     LOG.info("Ignore SDN Controller related alarms for {}", mountpointName);
 119                     // this.databaseClientEvents.clearFaultsCurrentOfNode(mountpointName);
 120                     // nodeNamesHandled.add(mountpointName);
 121
 122                 } else {
 123
 124                     if (mountPointService != null) {
 125                         InstanceIdentifier<Node> instanceIdentifier =
 126                                 NETCONF_TOPO_IID.child(Node.class, new NodeKey(new NodeId(mountpointName)));
 127                         Optional<MountPoint> optionalMountPoint = mountPointService.getMountPoint(instanceIdentifier);
 128
 129                         if (!optionalMountPoint.isPresent()) {
 130                             LOG.info("Remove Alarms for unknown mountpoint {}", mountpointName);
 131                             this.databaseClientEvents.clearFaultsCurrentOfNode(mountpointName);
 132                             nodeNamesHandled.add(mountpointName);
 133                         } else {
 134                             if (deviceManager.getNeByMountpoint(mountpointName) != null) {
 135                                 LOG.info("At node known mountpoint {}", mountpointName);
 136                                 nodeNamesHandled.add(mountpointName);
 137                             } else {
 138                                 LOG.info("At node unknown mountpoint {}", mountpointName);
 139                             }
 140                         }
 141                     }
 142                 }
 143             }
 144
 145             // Force a sync
 146             deviceMonitor.refreshAlarmsInDb();
 147
 148             threadDoClearCurrentFaultByNodename = new Thread(() -> {
 149                 refreshCounter++;
 150                 LOG.info("Start refresh mountpoint task {}", refreshCounter);
 151                 // for(String nodeName:nodeNamesOutput) {
 152                 for (String nodeName : nodeNamesHandled) {
 153                     NetworkElement ne = deviceManager.getNeByMountpoint(nodeName);
 154                     if (ne != null) {
 155                         LOG.info("Refresh mountpoint {}", nodeName);
 156                         ne.warmstart();
 157                     } else {
 158                         LOG.info("Unhandled mountpoint {}", nodeName);
 159                     }
 160                 }
 161                 LOG.info("End refresh mountpoint task {}", refreshCounter);
 162             });
 163             threadDoClearCurrentFaultByNodename.start();
 164             return nodeNamesHandled;
 165         }
 166     };
 167
 168 }