appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/main/java/org/openecomp/appc/adapter/iaas/provider/operation/impl/StopServer.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP : APPC
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Copyright (C) 2017 Amdocs
   8  * =============================================================================
   9  * Licensed under the Apache License, Version 2.0 (the "License");
  10  * you may not use this file except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  *
  21  * ECOMP is a trademark and service mark of AT&T Intellectual Property.
  22  * ============LICENSE_END=========================================================
  23  */
  24
  25 package org.openecomp.appc.adapter.iaas.provider.operation.impl;
  26
  27 import org.openecomp.appc.Constants;
  28 import org.openecomp.appc.adapter.iaas.ProviderAdapter;
  29 import org.openecomp.appc.adapter.iaas.impl.IdentityURL;
  30 import org.openecomp.appc.adapter.iaas.impl.RequestContext;
  31 import org.openecomp.appc.adapter.iaas.impl.RequestFailedException;
  32 import org.openecomp.appc.adapter.iaas.impl.VMURL;
  33 import org.openecomp.appc.adapter.iaas.provider.operation.common.enums.Outcome;
  34 import org.openecomp.appc.adapter.iaas.provider.operation.impl.base.ProviderServerOperation;
  35 import org.openecomp.appc.exceptions.APPCException;
  36 import org.openecomp.appc.i18n.Msg;
  37 import com.att.cdp.exceptions.ResourceNotFoundException;
  38 import com.att.cdp.zones.Context;
  39 import com.att.cdp.zones.model.ModelObject;
  40 import com.att.cdp.zones.model.Server;
  41 import com.att.eelf.configuration.EELFLogger;
  42 import com.att.eelf.configuration.EELFManager;
  43 import com.att.eelf.i18n.EELFResourceManager;
  44 import org.openecomp.sdnc.sli.SvcLogicContext;
  45 import org.glassfish.grizzly.http.util.HttpStatus;
  46
  47 import java.util.Map;
  48
  49 import static org.openecomp.appc.adapter.iaas.provider.operation.common.enums.Operation.STOP_SERVICE;
  50 import static org.openecomp.appc.adapter.utils.Constants.ADAPTER_NAME;
  51
  52 public class StopServer extends ProviderServerOperation {
  53
  54     private static final EELFLogger logger = EELFManager.getInstance().getLogger(StopServer.class);
  55     private static EELFLogger metricsLogger = EELFManager.getInstance().getMetricsLogger();
  56
  57     /**
  58      * @see org.openecomp.appc.adapter.iaas.ProviderAdapter#stopServer(java.util.Map, org.openecomp.sdnc.sli.SvcLogicContext)
  59      */
  60     @SuppressWarnings("nls")
  61     public Server stopServer(Map<String, String> params, SvcLogicContext ctx) throws APPCException {
  62         Server server = null;
  63         RequestContext rc = new RequestContext(ctx);
  64         rc.isAlive();
  65
  66         String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME);
  67
  68         try {
  69             validateParametersExist(params, ProviderAdapter.PROPERTY_INSTANCE_URL,
  70                     ProviderAdapter.PROPERTY_PROVIDER_NAME);
  71
  72             String vm_url = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL);
  73             ctx.setAttribute("STOP_STATUS", "SUCCESS");
  74
  75             VMURL vm = VMURL.parseURL(vm_url);
  76             if (validateVM(rc, appName, vm_url, vm)) return null;
  77
  78             IdentityURL ident = IdentityURL.parseURL(params.get(ProviderAdapter.PROPERTY_IDENTITY_URL));
  79             String identStr = (ident == null) ? null : ident.toString();
  80
  81             Context context = null;
  82             ctx.setAttribute("STOP_STATUS", "ERROR");
  83             try {
  84                 context = getContext(rc, vm_url, identStr);
  85                 if (context != null) {
  86                     rc.reset();
  87                     server = lookupServer(rc, context, vm.getServerId());
  88                     logger.debug(Msg.SERVER_FOUND, vm_url, context.getTenantName(), server.getStatus().toString());
  89
  90                     String msg;
  91                     /*
  92                      * We determine what to do based on the current state of the server
  93                      */
  94
  95                     /*
  96                      * Pending is a bit of a special case. If we find the server is in a
  97                      * pending state, then the provider is in the process of changing state
  98                      * of the server. So, lets try to wait a little bit and see if the state
  99                      * settles down to one we can deal with. If not, then we have to fail
 100                      * the request.
 101                      */
 102
 103                     if (server.getStatus().equals(Server.Status.PENDING)) {
 104                         waitForStateChange(rc, server, Server.Status.READY, Server.Status.RUNNING, Server.Status.ERROR,
 105                                 Server.Status.SUSPENDED, Server.Status.PAUSED, Server.Status.DELETED);
 106                     }
 107
 108                     switch (server.getStatus()) {
 109                         case DELETED:
 110                             // Nothing to do, the server is gone
 111                             msg = EELFResourceManager.format(Msg.SERVER_DELETED,
 112                                     server.getName(), server.getId(), server.getTenantId(), "stopped");
 113                             generateEvent(rc, false, msg);
 114                             logger.error(msg);
 115                             metricsLogger.error(msg);
 116                             throw new RequestFailedException(
 117                                     "Stop Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server);
 118
 119                         case RUNNING:
 120                             // Attempt to stop the server
 121                             rc.reset();
 122                             stopServer(rc, server);
 123                             generateEvent(rc, true, Outcome.SUCCESS.toString());
 124                             break;
 125
 126                         case ERROR:
 127                             // Server is in error state
 128                             msg = EELFResourceManager.format(Msg.SERVER_ERROR_STATE,
 129                                     server.getName(), server.getId(), server.getTenantId(), "stop");
 130                             generateEvent(rc, false, msg);
 131                             logger.error(msg);
 132                             metricsLogger.error(msg);
 133                             throw new RequestFailedException(
 134                                     "Stop Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server);
 135
 136                         case READY:
 137                             // Nothing to do, the server was already stopped
 138                             logger.info("Server was already stopped");
 139                             break;
 140
 141                         case PAUSED:
 142                             // if paused, un-pause it and then stop it
 143                             rc.reset();
 144                             unpauseServer(rc, server);
 145                             rc.reset();
 146                             stopServer(rc, server);
 147                             generateEvent(rc, true, Outcome.SUCCESS.toString());
 148                             break;
 149
 150                         case SUSPENDED:
 151                             // Attempt to resume the suspended server and after that stop it
 152                             rc.reset();
 153                             resumeServer(rc, server);
 154                             rc.reset();
 155                             stopServer(rc, server);
 156                             generateEvent(rc, true, Outcome.SUCCESS.toString());
 157                             break;
 158
 159                         default:
 160                             // Hmmm, unknown status, should never occur
 161                             msg = EELFResourceManager.format(Msg.UNKNOWN_SERVER_STATE,
 162                                     server.getName(), server.getId(), server.getTenantId(), server.getStatus().name());
 163                             generateEvent(rc, false, msg);
 164                             logger.error(msg);
 165                             metricsLogger.error(msg);
 166                             throw new RequestFailedException(
 167                                     "Stop Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server);
 168                     }
 169                     context.close();
 170                     doSuccess(rc);
 171                     ctx.setAttribute("STOP_STATUS", "SUCCESS");
 172                     msg = EELFResourceManager.format(Msg.SUCCESS_EVENT_MESSAGE, "StopServer", vm_url);
 173                     ctx.setAttribute(org.openecomp.appc.Constants.ATTRIBUTE_SUCCESS_MESSAGE, msg);
 174
 175                 }else{
 176                     ctx.setAttribute("STOP_STATUS", "CONTEXT_NOT_FOUND");
 177                 }
 178             } catch (ResourceNotFoundException e) {
 179                 String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vm_url);
 180                 logger.error(msg);
 181                 doFailure(rc, HttpStatus.NOT_FOUND_404, msg);
 182             } catch (Exception e1) {
 183                 String msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, e1, e1.getClass().getSimpleName(),
 184                         STOP_SERVICE.toString(), vm_url, context == null ? "Unknown" : context.getTenantName());
 185                 logger.error(msg, e1);
 186                 doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg);
 187             }
 188         } catch (RequestFailedException e) {
 189             logger.error(EELFResourceManager.format(Msg.STOP_SERVER_FAILED,
 190                     appName, "n/a", "n/a", e.getMessage()));
 191             doFailure(rc, e.getStatus(), e.getMessage());
 192         }
 193
 194         return server;
 195     }
 196
 197     @Override
 198     protected ModelObject executeProviderOperation(Map<String, String> params, SvcLogicContext context)
 199             throws APPCException {
 200         setMDC(STOP_SERVICE.toString(), "App-C IaaS Adapter:Stop", ADAPTER_NAME);
 201         logOperation(Msg.STOPPING_SERVER, params, context);
 202         return stopServer(params, context);
 203     }
 204 }