mdsalutil/mdsalutil-impl/src/main/java/org/opendaylight/genius/mdsalutil/diagstatus/internal/DatastoreServiceStatusProvider.java

   1 /*
   2  * Copyright (c) 2017 Ericsson India Global Services Pvt Ltd. 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.genius.mdsalutil.diagstatus.internal;
   9
  10 import javax.annotation.PreDestroy;
  11 import javax.inject.Inject;
  12 import javax.inject.Singleton;
  13
  14 import org.opendaylight.infrautils.diagstatus.DiagStatusService;
  15 import org.opendaylight.infrautils.diagstatus.MBeanUtils;
  16 import org.opendaylight.infrautils.diagstatus.ServiceDescriptor;
  17 import org.opendaylight.infrautils.diagstatus.ServiceState;
  18 import org.opendaylight.infrautils.diagstatus.ServiceStatusProvider;
  19 import org.ops4j.pax.cdi.api.OsgiService;
  20 import org.ops4j.pax.cdi.api.OsgiServiceProvider;
  21
  22 @Singleton
  23 @OsgiServiceProvider(classes = ServiceStatusProvider.class)
  24 public class DatastoreServiceStatusProvider implements ServiceStatusProvider {
  25
  26     private static final String DATASTORE_SERVICE_NAME = "DATASTORE";
  27     private volatile ServiceDescriptor serviceDescriptor;
  28     private DiagStatusService diagStatusService;
  29
  30     @Inject
  31     public DatastoreServiceStatusProvider(@OsgiService DiagStatusService diagStatusService) {
  32         this.diagStatusService = diagStatusService;
  33         diagStatusService.register(DATASTORE_SERVICE_NAME);
  34         serviceDescriptor = new ServiceDescriptor(DATASTORE_SERVICE_NAME, ServiceState.OPERATIONAL,
  35                 "Service started");
  36         diagStatusService.report(serviceDescriptor);
  37     }
  38
  39     @PreDestroy
  40     public void close() {
  41         serviceDescriptor = new ServiceDescriptor(DATASTORE_SERVICE_NAME, ServiceState.UNREGISTERED,
  42                 "Service Closed");
  43         diagStatusService.report(serviceDescriptor);
  44     }
  45
  46     @Override
  47     public ServiceDescriptor getServiceDescriptor() {
  48         ServiceState dataStoreServiceState = ServiceState.ERROR;
  49         String statusDesc;
  50         Boolean operSyncStatusValue = (Boolean) MBeanUtils.readMBeanAttribute("org.opendaylight.controller:type="
  51                         + "DistributedOperationalDatastore,Category=ShardManager,name=shard-manager-operational",
  52                 "SyncStatus");
  53         Boolean configSyncStatusValue = (Boolean) MBeanUtils.readMBeanAttribute("org.opendaylight.controller:type="
  54                         + "DistributedConfigDatastore,Category=ShardManager,name=shard-manager-config",
  55                 "SyncStatus");
  56         if (operSyncStatusValue != null && configSyncStatusValue != null) {
  57             if ((boolean) operSyncStatusValue && (boolean) configSyncStatusValue) {
  58                 dataStoreServiceState =  ServiceState.OPERATIONAL;
  59                 statusDesc = dataStoreServiceState.name();
  60             } else {
  61                 statusDesc = "datastore out of sync";
  62             }
  63         } else {
  64             statusDesc = "Unable to obtain the datastore status";
  65         }
  66         return new ServiceDescriptor(DATASTORE_SERVICE_NAME, dataStoreServiceState, statusDesc);
  67     }
  68 }