northbound-api/src/main/java/org/opendaylight/neutron/northbound/api/NeutronLoadBalancerHealthMonitorNorthbound.java

   1 /*
   2  * Copyright (C) 2014 Red Hat, Inc.
   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
   9 package org.opendaylight.neutron.northbound.api;
  10
  11
  12 import java.util.ArrayList;
  13 import java.util.HashMap;
  14 import java.util.Iterator;
  15 import java.util.List;
  16
  17 import javax.ws.rs.Consumes;
  18 import javax.ws.rs.DELETE;
  19 import javax.ws.rs.GET;
  20 import javax.ws.rs.POST;
  21 import javax.ws.rs.PUT;
  22 import javax.ws.rs.Path;
  23 import javax.ws.rs.PathParam;
  24 import javax.ws.rs.Produces;
  25 import javax.ws.rs.QueryParam;
  26 import javax.ws.rs.core.MediaType;
  27 import javax.ws.rs.core.Response;
  28
  29 import org.codehaus.enunciate.jaxrs.ResponseCode;
  30 import org.codehaus.enunciate.jaxrs.StatusCodes;
  31 import org.opendaylight.neutron.spi.INeutronLoadBalancerHealthMonitorAware;
  32 import org.opendaylight.neutron.spi.INeutronLoadBalancerHealthMonitorCRUD;
  33 import org.opendaylight.neutron.spi.NeutronCRUDInterfaces;
  34 import org.opendaylight.neutron.spi.NeutronLoadBalancer;
  35 import org.opendaylight.neutron.spi.NeutronLoadBalancerHealthMonitor;
  36 import org.slf4j.Logger;
  37 import org.slf4j.LoggerFactory;
  38
  39 /**
  40  * Neutron Northbound REST APIs for Load Balancer HealthMonitor.<br>
  41  * This class provides REST APIs for managing neutron LoadBalancerHealthMonitor
  42  *
  43  * <br>
  44  * <br>
  45  * Authentication scheme : <b>HTTP Basic</b><br>
  46  * Authentication realm : <b>opendaylight</b><br>
  47  * Transport : <b>HTTP and HTTPS</b><br>
  48  * <br>
  49  * HTTPS Authentication is disabled by default. Administrator can enable it in
  50  * tomcat-server.xml after adding a proper keystore / SSL certificate from a
  51  * trusted authority.<br>
  52  * More info :
  53  * http://tomcat.apache.org/tomcat-7.0-doc/ssl-howto.html#Configuration
  54  *
  55  */
  56 @Path("/healthmonitors")
  57 public class NeutronLoadBalancerHealthMonitorNorthbound {
  58     private static final Logger logger = LoggerFactory.getLogger(NeutronLoadBalancer.class);
  59
  60     private NeutronLoadBalancerHealthMonitor extractFields(NeutronLoadBalancerHealthMonitor o, List<String> fields) {
  61         return o.extractFields(fields);
  62     }
  63
  64     /**
  65      * Returns a list of all LoadBalancerHealthMonitor */
  66     @GET
  67     @Produces({ MediaType.APPLICATION_JSON })
  68     @StatusCodes({
  69             @ResponseCode(code = 200, condition = "Operation successful"),
  70             @ResponseCode(code = 401, condition = "Unauthorized"),
  71             @ResponseCode(code = 501, condition = "Not Implemented"),
  72             @ResponseCode(code = 503, condition = "No providers available") })
  73
  74     public Response listGroups(
  75             // return fields
  76             @QueryParam("fields") List<String> fields,
  77             // OpenStack LoadBalancerHealthMonitor attributes
  78             @QueryParam("id") String queryLoadBalancerHealthMonitorID,
  79             @QueryParam("tenant_id") String queryLoadBalancerHealthMonitorTenantID,
  80             // TODO "type" is being a property by the JSON parser.
  81             @QueryParam("type") String queryLoadBalancerHealthMonitorType,
  82             @QueryParam("delay") Integer queryLoadBalancerHealthMonitorDelay,
  83             @QueryParam("timeout") Integer queryLoadBalancerHealthMonitorTimeout,
  84             @QueryParam("max_retries") Integer queryLoadBalancerHealthMonitorMaxRetries,
  85             @QueryParam("http_method") String queryLoadBalancerHealthMonitorHttpMethod,
  86             @QueryParam("url_path") String queryLoadBalancerHealthMonitorUrlPath,
  87             @QueryParam("expected_codes") String queryLoadBalancerHealthMonitorExpectedCodes,
  88             @QueryParam("admin_state_up") Boolean queryLoadBalancerHealthMonitorIsAdminStateUp,
  89             @QueryParam("status") String queryLoadBalancerHealthMonitorStatus,
  90             // pagination
  91             @QueryParam("limit") String limit,
  92             @QueryParam("marker") String marker,
  93             @QueryParam("page_reverse") String pageReverse
  94             // sorting not supported
  95     ) {
  96         INeutronLoadBalancerHealthMonitorCRUD loadBalancerHealthMonitorInterface = NeutronCRUDInterfaces
  97                 .getINeutronLoadBalancerHealthMonitorCRUD(this);
  98         if (loadBalancerHealthMonitorInterface == null) {
  99             throw new ServiceUnavailableException("LoadBalancerHealthMonitor CRUD Interface "
 100                     + RestMessages.SERVICEUNAVAILABLE.toString());
 101         }
 102         List<NeutronLoadBalancerHealthMonitor> allLoadBalancerHealthMonitors = loadBalancerHealthMonitorInterface.getAllNeutronLoadBalancerHealthMonitors();
 103         List<NeutronLoadBalancerHealthMonitor> ans = new ArrayList<NeutronLoadBalancerHealthMonitor>();
 104         Iterator<NeutronLoadBalancerHealthMonitor> i = allLoadBalancerHealthMonitors.iterator();
 105         while (i.hasNext()) {
 106             NeutronLoadBalancerHealthMonitor nsg = i.next();
 107             if ((queryLoadBalancerHealthMonitorID == null ||
 108                     queryLoadBalancerHealthMonitorID.equals(nsg.getLoadBalancerHealthMonitorID())) &&
 109                     (queryLoadBalancerHealthMonitorTenantID == null ||
 110                             queryLoadBalancerHealthMonitorTenantID.equals
 111                                     (nsg.getLoadBalancerHealthMonitorTenantID())) &&
 112                     (queryLoadBalancerHealthMonitorType == null ||
 113                             queryLoadBalancerHealthMonitorType.equals
 114                                     (nsg.getLoadBalancerHealthMonitorType())) &&
 115                     (queryLoadBalancerHealthMonitorDelay == null ||
 116                             queryLoadBalancerHealthMonitorDelay.equals
 117                                     (nsg.getLoadBalancerHealthMonitorDelay())) &&
 118                     (queryLoadBalancerHealthMonitorTimeout == null ||
 119                             queryLoadBalancerHealthMonitorTimeout.equals
 120                                     (nsg.getLoadBalancerHealthMonitorTimeout())) &&
 121                     (queryLoadBalancerHealthMonitorMaxRetries == null ||
 122                             queryLoadBalancerHealthMonitorMaxRetries.equals
 123                                     (nsg.getLoadBalancerHealthMonitorMaxRetries())) &&
 124                     (queryLoadBalancerHealthMonitorHttpMethod == null ||
 125                             queryLoadBalancerHealthMonitorHttpMethod.equals
 126                                     (nsg.getLoadBalancerHealthMonitorHttpMethod())) &&
 127                     (queryLoadBalancerHealthMonitorUrlPath == null ||
 128                             queryLoadBalancerHealthMonitorUrlPath.equals
 129                                     (nsg.getLoadBalancerHealthMonitorUrlPath())) &&
 130                     (queryLoadBalancerHealthMonitorExpectedCodes == null ||
 131                             queryLoadBalancerHealthMonitorExpectedCodes.equals
 132                                     (nsg.getLoadBalancerHealthMonitorExpectedCodes())) &&
 133                     (queryLoadBalancerHealthMonitorIsAdminStateUp == null ||
 134                             queryLoadBalancerHealthMonitorIsAdminStateUp.equals
 135                                     (nsg.getLoadBalancerHealthMonitorAdminStateIsUp())) &&
 136                     (queryLoadBalancerHealthMonitorStatus == null ||
 137                             queryLoadBalancerHealthMonitorStatus.equals
 138                                     (nsg.getLoadBalancerHealthMonitorStatus()))) {
 139                 if (fields.size() > 0) {
 140                     ans.add(extractFields(nsg,fields));
 141                 } else {
 142                     ans.add(nsg);
 143                 }
 144             }
 145         }
 146         return Response.status(200).entity(
 147                 new NeutronLoadBalancerHealthMonitorRequest(ans)).build();
 148     }
 149
 150     /**
 151      * Returns a specific LoadBalancerHealthMonitor */
 152
 153     @Path("{loadBalancerHealthMonitorID}")
 154     @GET
 155     @Produces({ MediaType.APPLICATION_JSON })
 156     @StatusCodes({
 157             @ResponseCode(code = 200, condition = "Operation successful"),
 158             @ResponseCode(code = 401, condition = "Unauthorized"),
 159             @ResponseCode(code = 404, condition = "Not Found"),
 160             @ResponseCode(code = 501, condition = "Not Implemented"),
 161             @ResponseCode(code = 503, condition = "No providers available") })
 162     public Response showLoadBalancerHealthMonitor(@PathParam("loadBalancerHealthMonitorID") String loadBalancerHealthMonitorID,
 163             // return fields
 164             @QueryParam("fields") List<String> fields) {
 165         INeutronLoadBalancerHealthMonitorCRUD loadBalancerHealthMonitorInterface = NeutronCRUDInterfaces.getINeutronLoadBalancerHealthMonitorCRUD(this);
 166         if (loadBalancerHealthMonitorInterface == null) {
 167             throw new ServiceUnavailableException("LoadBalancerHealthMonitor CRUD Interface "
 168                     + RestMessages.SERVICEUNAVAILABLE.toString());
 169         }
 170         if (!loadBalancerHealthMonitorInterface.neutronLoadBalancerHealthMonitorExists(loadBalancerHealthMonitorID)) {
 171             throw new ResourceNotFoundException("LoadBalancerHealthMonitor UUID does not exist.");
 172         }
 173         if (fields.size() > 0) {
 174             NeutronLoadBalancerHealthMonitor ans = loadBalancerHealthMonitorInterface.getNeutronLoadBalancerHealthMonitor(loadBalancerHealthMonitorID);
 175             return Response.status(200).entity(
 176                     new NeutronLoadBalancerHealthMonitorRequest(extractFields(ans, fields))).build();
 177         } else {
 178             return Response.status(200).entity(new NeutronLoadBalancerHealthMonitorRequest(loadBalancerHealthMonitorInterface.getNeutronLoadBalancerHealthMonitor(loadBalancerHealthMonitorID))).build();
 179         }
 180     }
 181
 182     /**
 183      * Creates new LoadBalancerHealthMonitor */
 184
 185     @POST
 186     @Produces({ MediaType.APPLICATION_JSON })
 187     @Consumes({ MediaType.APPLICATION_JSON })
 188     @StatusCodes({
 189             @ResponseCode(code = 201, condition = "Created"),
 190             @ResponseCode(code = 400, condition = "Bad Request"),
 191             @ResponseCode(code = 401, condition = "Unauthorized"),
 192             @ResponseCode(code = 403, condition = "Forbidden"),
 193             @ResponseCode(code = 404, condition = "Not Found"),
 194             @ResponseCode(code = 409, condition = "Conflict"),
 195             @ResponseCode(code = 501, condition = "Not Implemented"),
 196             @ResponseCode(code = 503, condition = "No providers available") })
 197     public Response createLoadBalancerHealthMonitors(final NeutronLoadBalancerHealthMonitorRequest input) {
 198         INeutronLoadBalancerHealthMonitorCRUD loadBalancerHealthMonitorInterface = NeutronCRUDInterfaces.getINeutronLoadBalancerHealthMonitorCRUD(this);
 199         if (loadBalancerHealthMonitorInterface == null) {
 200             throw new ServiceUnavailableException("LoadBalancerHealthMonitor CRUD Interface "
 201                     + RestMessages.SERVICEUNAVAILABLE.toString());
 202         }
 203         if (input.isSingleton()) {
 204             NeutronLoadBalancerHealthMonitor singleton = input.getSingleton();
 205
 206             /*
 207              *  Verify that the LoadBalancerHealthMonitor doesn't already exist.
 208              */
 209             if (loadBalancerHealthMonitorInterface.neutronLoadBalancerHealthMonitorExists(singleton.getLoadBalancerHealthMonitorID())) {
 210                 throw new BadRequestException("LoadBalancerHealthMonitor UUID already exists");
 211             }
 212             loadBalancerHealthMonitorInterface.addNeutronLoadBalancerHealthMonitor(singleton);
 213
 214             Object[] instances = NeutronUtil.getInstances(INeutronLoadBalancerHealthMonitorAware.class, this);
 215             if (instances != null) {
 216                 if (instances.length > 0) {
 217                     for (Object instance : instances) {
 218                         INeutronLoadBalancerHealthMonitorAware service = (INeutronLoadBalancerHealthMonitorAware) instance;
 219                         int status = service.canCreateNeutronLoadBalancerHealthMonitor(singleton);
 220                         if (status < 200 || status > 299) {
 221                             return Response.status(status).build();
 222                         }
 223                     }
 224                 } else {
 225                     throw new ServiceUnavailableException("No providers registered.  Please try again later");
 226                 }
 227             } else {
 228                 throw new ServiceUnavailableException("Couldn't get providers list.  Please try again later");
 229             }
 230             loadBalancerHealthMonitorInterface.addNeutronLoadBalancerHealthMonitor(singleton);
 231             if (instances != null) {
 232                 for (Object instance : instances) {
 233                     INeutronLoadBalancerHealthMonitorAware service = (INeutronLoadBalancerHealthMonitorAware) instance;
 234                     service.neutronLoadBalancerHealthMonitorCreated(singleton);
 235                 }
 236             }
 237         } else {
 238             List<NeutronLoadBalancerHealthMonitor> bulk = input.getBulk();
 239             Iterator<NeutronLoadBalancerHealthMonitor> i = bulk.iterator();
 240             HashMap<String, NeutronLoadBalancerHealthMonitor> testMap = new HashMap<String, NeutronLoadBalancerHealthMonitor>();
 241             Object[] instances = NeutronUtil.getInstances(INeutronLoadBalancerHealthMonitorAware.class, this);
 242             while (i.hasNext()) {
 243                 NeutronLoadBalancerHealthMonitor test = i.next();
 244
 245                 /*
 246                  *  Verify that the firewall policy doesn't already exist
 247                  */
 248
 249                 if (loadBalancerHealthMonitorInterface
 250                         .neutronLoadBalancerHealthMonitorExists(test.getLoadBalancerHealthMonitorID())) {
 251                     throw new BadRequestException("LoadBalancerHealthMonitor UUID already is already created");
 252                 }
 253                 if (testMap.containsKey(test.getLoadBalancerHealthMonitorID())) {
 254                     throw new BadRequestException("LoadBalancerHealthMonitor UUID already exists");
 255                 }
 256                 if (instances != null) {
 257                     if (instances.length > 0) {
 258                         for (Object instance : instances) {
 259                             INeutronLoadBalancerHealthMonitorAware service = (INeutronLoadBalancerHealthMonitorAware) instance;
 260                             int status = service.canCreateNeutronLoadBalancerHealthMonitor(test);
 261                             if (status < 200 || status > 299) {
 262                                 return Response.status(status).build();
 263                             }
 264                         }
 265                     } else {
 266                         throw new ServiceUnavailableException("No providers registered.  Please try again later");
 267                     }
 268                 } else {
 269                     throw new ServiceUnavailableException("Couldn't get providers list.  Please try again later");
 270                 }
 271             }
 272             /*
 273              * now, each element of the bulk request can be added to the cache
 274              */
 275             i = bulk.iterator();
 276             while (i.hasNext()) {
 277                 NeutronLoadBalancerHealthMonitor test = i.next();
 278                 loadBalancerHealthMonitorInterface.addNeutronLoadBalancerHealthMonitor(test);
 279                 if (instances != null) {
 280                     for (Object instance : instances) {
 281                         INeutronLoadBalancerHealthMonitorAware service = (INeutronLoadBalancerHealthMonitorAware) instance;
 282                         service.neutronLoadBalancerHealthMonitorCreated(test);
 283                     }
 284                 }
 285             }
 286         }
 287         return Response.status(201).entity(input).build();
 288     }
 289
 290     /**
 291      * Updates a LoadBalancerHealthMonitor Policy
 292      */
 293     @Path("{loadBalancerHealthMonitorID}")
 294     @PUT
 295     @Produces({ MediaType.APPLICATION_JSON })
 296     @Consumes({ MediaType.APPLICATION_JSON })
 297     @StatusCodes({
 298             @ResponseCode(code = 200, condition = "Operation successful"),
 299             @ResponseCode(code = 400, condition = "Bad Request"),
 300             @ResponseCode(code = 401, condition = "Unauthorized"),
 301             @ResponseCode(code = 403, condition = "Forbidden"),
 302             @ResponseCode(code = 404, condition = "Not Found"),
 303             @ResponseCode(code = 501, condition = "Not Implemented"),
 304             @ResponseCode(code = 503, condition = "No providers available") })
 305     public Response updateLoadBalancerHealthMonitor(
 306             @PathParam("loadBalancerHealthMonitorID") String loadBalancerHealthMonitorID,
 307             final NeutronLoadBalancerHealthMonitorRequest input) {
 308         INeutronLoadBalancerHealthMonitorCRUD loadBalancerHealthMonitorInterface = NeutronCRUDInterfaces
 309                 .getINeutronLoadBalancerHealthMonitorCRUD(this);
 310         if (loadBalancerHealthMonitorInterface == null) {
 311             throw new ServiceUnavailableException("LoadBalancerHealthMonitor CRUD Interface "
 312                     + RestMessages.SERVICEUNAVAILABLE.toString());
 313         }
 314
 315         /*
 316          * verify the LoadBalancerHealthMonitor exists and there is only one delta provided
 317          */
 318         if (!loadBalancerHealthMonitorInterface.neutronLoadBalancerHealthMonitorExists(loadBalancerHealthMonitorID)) {
 319             throw new ResourceNotFoundException("LoadBalancerHealthMonitor UUID does not exist.");
 320         }
 321         if (!input.isSingleton()) {
 322             throw new BadRequestException("Only singleton edit supported");
 323         }
 324         NeutronLoadBalancerHealthMonitor delta = input.getSingleton();
 325         NeutronLoadBalancerHealthMonitor original = loadBalancerHealthMonitorInterface
 326                 .getNeutronLoadBalancerHealthMonitor(loadBalancerHealthMonitorID);
 327
 328         /*
 329          * updates restricted by Neutron
 330          */
 331         if (delta.getLoadBalancerHealthMonitorID() != null ||
 332                 delta.getLoadBalancerHealthMonitorTenantID() != null ||
 333                 delta.getLoadBalancerHealthMonitorType() != null ||
 334                 delta.getLoadBalancerHealthMonitorDelay() != null ||
 335                 delta.getLoadBalancerHealthMonitorTimeout() != null ||
 336                 delta.getLoadBalancerHealthMonitorMaxRetries() != null ||
 337                 delta.getLoadBalancerHealthMonitorHttpMethod() != null ||
 338                 delta.getLoadBalancerHealthMonitorUrlPath() != null ||
 339                 delta.getLoadBalancerHealthMonitorExpectedCodes() != null ||
 340                 delta.getLoadBalancerHealthMonitorAdminStateIsUp() != null ||
 341                 delta.getLoadBalancerHealthMonitorStatus() != null) {
 342             throw new BadRequestException("Attribute edit blocked by Neutron");
 343         }
 344
 345         Object[] instances = NeutronUtil.getInstances(INeutronLoadBalancerHealthMonitorAware.class, this);
 346         if (instances != null) {
 347             if (instances.length > 0) {
 348                 for (Object instance : instances) {
 349                     INeutronLoadBalancerHealthMonitorAware service = (INeutronLoadBalancerHealthMonitorAware) instance;
 350                     int status = service.canUpdateNeutronLoadBalancerHealthMonitor(delta, original);
 351                     if (status < 200 || status > 299) {
 352                         return Response.status(status).build();
 353                     }
 354                 }
 355             } else {
 356                 throw new ServiceUnavailableException("No providers registered.  Please try again later");
 357             }
 358         } else {
 359             throw new ServiceUnavailableException("Couldn't get providers list.  Please try again later");
 360         }
 361
 362         /*
 363          * update the object and return it
 364          */
 365         loadBalancerHealthMonitorInterface.updateNeutronLoadBalancerHealthMonitor(loadBalancerHealthMonitorID, delta);
 366         NeutronLoadBalancerHealthMonitor updatedLoadBalancerHealthMonitor = loadBalancerHealthMonitorInterface
 367                 .getNeutronLoadBalancerHealthMonitor(loadBalancerHealthMonitorID);
 368         if (instances != null) {
 369             for (Object instance : instances) {
 370                 INeutronLoadBalancerHealthMonitorAware service = (INeutronLoadBalancerHealthMonitorAware) instance;
 371                 service.neutronLoadBalancerHealthMonitorUpdated(updatedLoadBalancerHealthMonitor);
 372             }
 373         }
 374         return Response.status(200).entity(new NeutronLoadBalancerHealthMonitorRequest
 375                 (loadBalancerHealthMonitorInterface.getNeutronLoadBalancerHealthMonitor
 376                         (loadBalancerHealthMonitorID))).build();
 377     }
 378
 379
 380
 381     /**
 382      * Deletes a LoadBalancerHealthMonitor
 383      * */
 384     @Path("{loadBalancerHealthMonitorID}")
 385     @DELETE
 386     @StatusCodes({
 387             @ResponseCode(code = 204, condition = "No Content"),
 388             @ResponseCode(code = 401, condition = "Unauthorized"),
 389             @ResponseCode(code = 404, condition = "Not Found"),
 390             @ResponseCode(code = 409, condition = "Conflict"),
 391             @ResponseCode(code = 501, condition = "Not Implemented"),
 392             @ResponseCode(code = 503, condition = "No providers available") })
 393     public Response deleteLoadBalancerHealthMonitor(
 394             @PathParam("loadBalancerHealthMonitorID") String loadBalancerHealthMonitorID) {
 395         INeutronLoadBalancerHealthMonitorCRUD loadBalancerHealthMonitorInterface = NeutronCRUDInterfaces.getINeutronLoadBalancerHealthMonitorCRUD(this);
 396         if (loadBalancerHealthMonitorInterface == null) {
 397             throw new ServiceUnavailableException("LoadBalancerHealthMonitor CRUD Interface "
 398                     + RestMessages.SERVICEUNAVAILABLE.toString());
 399         }
 400         /*
 401          * verify the LoadBalancerHealthMonitor exists and it isn't currently in use
 402          */
 403         if (!loadBalancerHealthMonitorInterface.neutronLoadBalancerHealthMonitorExists(loadBalancerHealthMonitorID)) {
 404             throw new ResourceNotFoundException("LoadBalancerHealthMonitor UUID does not exist.");
 405         }
 406         if (loadBalancerHealthMonitorInterface.neutronLoadBalancerHealthMonitorInUse(loadBalancerHealthMonitorID)) {
 407             return Response.status(409).build();
 408         }
 409         NeutronLoadBalancerHealthMonitor singleton = loadBalancerHealthMonitorInterface.getNeutronLoadBalancerHealthMonitor(loadBalancerHealthMonitorID);
 410         Object[] instances = NeutronUtil.getInstances(INeutronLoadBalancerHealthMonitorAware.class, this);
 411         if (instances != null) {
 412             if (instances.length > 0) {
 413                 for (Object instance : instances) {
 414                     INeutronLoadBalancerHealthMonitorAware service = (INeutronLoadBalancerHealthMonitorAware) instance;
 415                     int status = service.canDeleteNeutronLoadBalancerHealthMonitor(singleton);
 416                     if (status < 200 || status > 299) {
 417                         return Response.status(status).build();
 418                     }
 419                 }
 420             } else {
 421                 throw new ServiceUnavailableException("No providers registered.  Please try again later");
 422             }
 423         } else {
 424             throw new ServiceUnavailableException("Couldn't get providers list.  Please try again later");
 425         }
 426         loadBalancerHealthMonitorInterface.removeNeutronLoadBalancerHealthMonitor(loadBalancerHealthMonitorID);
 427         if (instances != null) {
 428             for (Object instance : instances) {
 429                 INeutronLoadBalancerHealthMonitorAware service = (INeutronLoadBalancerHealthMonitorAware) instance;
 430                 service.neutronLoadBalancerHealthMonitorDeleted(singleton);
 431             }
 432         }
 433         return Response.status(204).build();
 434     }
 435 }