appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/main/java/org/onap/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.onap.appc.adapter.iaas.provider.operation.impl;
  26
  27 import org.onap.appc.Constants;
  28 import org.onap.appc.adapter.iaas.ProviderAdapter;
  29 import org.onap.appc.adapter.iaas.impl.IdentityURL;
  30 import org.onap.appc.adapter.iaas.impl.RequestContext;
  31 import org.onap.appc.adapter.iaas.impl.RequestFailedException;
  32 import org.onap.appc.adapter.iaas.impl.VMURL;
  33 import org.onap.appc.adapter.iaas.provider.operation.common.enums.Outcome;
  34 import org.onap.appc.adapter.iaas.provider.operation.impl.base.ProviderServerOperation;
  35 import org.onap.appc.exceptions.APPCException;
  36 import org.onap.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.onap.ccsdk.sli.core.sli.SvcLogicContext;
  45 import org.glassfish.grizzly.http.util.HttpStatus;
  46 import java.util.Map;
  47 import static org.onap.appc.adapter.iaas.provider.operation.common.enums.Operation.STOP_SERVICE;
  48 import static org.onap.appc.adapter.utils.Constants.ADAPTER_NAME;
  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.onap.appc.adapter.iaas.ProviderAdapter#stopServer(java.util.Map,
  57      *      org.openecomp.sdnc.sli.SvcLogicContext)
  58      */
  59     @SuppressWarnings("nls")
  60     public Server stopServer(Map<String, String> params, SvcLogicContext ctx) throws APPCException {
  61         Server server = null;
  62         RequestContext rc = new RequestContext(ctx);
  63         rc.isAlive();
  64
  65         String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME);
  66
  67         try {
  68             validateParametersExist(params, ProviderAdapter.PROPERTY_INSTANCE_URL,
  69                     ProviderAdapter.PROPERTY_PROVIDER_NAME);
  70
  71             String vm_url = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL);
  72             ctx.setAttribute("STOP_STATUS", "SUCCESS");
  73
  74             VMURL vm = VMURL.parseURL(vm_url);
  75             if (validateVM(rc, appName, vm_url, vm))
  76                 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 pending state, then the
  97                      * provider is in the process of changing state of the server. So, lets try to wait a little bit and
  98                      * see if the state settles down to one we can deal with. If not, then we have to fail 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,
 115                                     server);
 116
 117                         case RUNNING:
 118                             // Attempt to stop the server
 119                             rc.reset();
 120                             stopServer(rc, server);
 121                             generateEvent(rc, true, Outcome.SUCCESS.toString());
 122                             break;
 123
 124                         case ERROR:
 125                             // Server is in error state
 126                             msg = EELFResourceManager.format(Msg.SERVER_ERROR_STATE, server.getName(), server.getId(),
 127                                     server.getTenantId(), "stop");
 128                             generateEvent(rc, false, msg);
 129                             logger.error(msg);
 130                             metricsLogger.error(msg);
 131                             throw new RequestFailedException("Stop Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405,
 132                                     server);
 133
 134                         case READY:
 135                             // Nothing to do, the server was already stopped
 136                             logger.info("Server was already stopped");
 137                             break;
 138
 139                         case PAUSED:
 140                             // if paused, un-pause it and then stop it
 141                             rc.reset();
 142                             unpauseServer(rc, server);
 143                             rc.reset();
 144                             stopServer(rc, server);
 145                             generateEvent(rc, true, Outcome.SUCCESS.toString());
 146                             break;
 147
 148                         case SUSPENDED:
 149                             // Attempt to resume the suspended server and after that stop it
 150                             rc.reset();
 151                             resumeServer(rc, server);
 152                             rc.reset();
 153                             stopServer(rc, server);
 154                             generateEvent(rc, true, Outcome.SUCCESS.toString());
 155                             break;
 156
 157                         default:
 158                             // Hmmm, unknown status, should never occur
 159                             msg = EELFResourceManager.format(Msg.UNKNOWN_SERVER_STATE, server.getName(), server.getId(),
 160                                     server.getTenantId(), server.getStatus().name());
 161                             generateEvent(rc, false, msg);
 162                             logger.error(msg);
 163                             metricsLogger.error(msg);
 164                             throw new RequestFailedException("Stop Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405,
 165                                     server);
 166                     }
 167                     context.close();
 168                     doSuccess(rc);
 169                     ctx.setAttribute("STOP_STATUS", "SUCCESS");
 170                     msg = EELFResourceManager.format(Msg.SUCCESS_EVENT_MESSAGE, "StopServer", vm_url);
 171                     ctx.setAttribute(org.onap.appc.Constants.ATTRIBUTE_SUCCESS_MESSAGE, msg);
 172
 173                 } else {
 174                     ctx.setAttribute("STOP_STATUS", "CONTEXT_NOT_FOUND");
 175                 }
 176             } catch (ResourceNotFoundException e) {
 177                 String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vm_url);
 178                 logger.error(msg);
 179                 doFailure(rc, HttpStatus.NOT_FOUND_404, msg);
 180             } catch (Exception e1) {
 181                 String msg =
 182                         EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, e1, e1.getClass().getSimpleName(),
 183                                 STOP_SERVICE.toString(), vm_url, context == null ? "Unknown" : context.getTenantName());
 184                 logger.error(msg, e1);
 185                 doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg);
 186             }
 187         } catch (RequestFailedException e) {
 188             logger.error(EELFResourceManager.format(Msg.STOP_SERVER_FAILED, appName, "n/a", "n/a", e.getMessage()));
 189             doFailure(rc, e.getStatus(), e.getMessage());
 190         }
 191
 192         return server;
 193     }
 194
 195     @Override
 196     protected ModelObject executeProviderOperation(Map<String, String> params, SvcLogicContext context)
 197             throws APPCException {
 198         setMDC(STOP_SERVICE.toString(), "App-C IaaS Adapter:Stop", ADAPTER_NAME);
 199         logOperation(Msg.STOPPING_SERVER, params, context);
 200         return stopServer(params, context);
 201     }
 202 }