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