gerrit.onap Code Review - appc.git/blob

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * APPC
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * Copyright (C) 2017 Amdocs
   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  * ECOMP is a trademark and service mark of AT&T Intellectual Property.
  21  */
  22
  23 package org.openecomp.appc.adapter.iaas.provider.operation.impl;
  24
  25 import org.openecomp.appc.Constants;
  26 import org.openecomp.appc.adapter.iaas.ProviderAdapter;
  27 import org.openecomp.appc.adapter.iaas.impl.IdentityURL;
  28 import org.openecomp.appc.adapter.iaas.impl.RequestContext;
  29 import org.openecomp.appc.adapter.iaas.impl.RequestFailedException;
  30 import org.openecomp.appc.adapter.iaas.impl.VMURL;
  31 import org.openecomp.appc.adapter.iaas.provider.operation.common.enums.Outcome;
  32 import org.openecomp.appc.adapter.iaas.provider.operation.impl.base.ProviderServerOperation;
  33 import org.openecomp.appc.exceptions.APPCException;
  34 import org.openecomp.appc.i18n.Msg;
  35 import com.att.cdp.exceptions.ResourceNotFoundException;
  36 import com.att.cdp.zones.Context;
  37 import com.att.cdp.zones.model.ModelObject;
  38 import com.att.cdp.zones.model.Server;
  39 import com.att.eelf.configuration.EELFLogger;
  40 import com.att.eelf.configuration.EELFManager;
  41 import com.att.eelf.i18n.EELFResourceManager;
  42 import org.openecomp.sdnc.sli.SvcLogicContext;
  43 import org.glassfish.grizzly.http.util.HttpStatus;
  44
  45 import java.util.Map;
  46
  47 import static org.openecomp.appc.adapter.iaas.provider.operation.common.enums.Operation.STOP_SERVICE;
  48 import static org.openecomp.appc.adapter.utils.Constants.ADAPTER_NAME;
  49
  50
  51 public class StopServer extends ProviderServerOperation {
  52
  53     private static final EELFLogger logger = EELFManager.getInstance().getLogger(StopServer.class);
  54     private static EELFLogger metricsLogger = EELFManager.getInstance().getMetricsLogger();
  55
  56     /**
  57      * @see org.openecomp.appc.adapter.iaas.ProviderAdapter#stopServer(java.util.Map, 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)) return null;
  76
  77             IdentityURL ident = IdentityURL.parseURL(params.get(ProviderAdapter.PROPERTY_IDENTITY_URL));
  78             String identStr = (ident == null) ? null : ident.toString();
  79
  80             Context context = null;
  81             ctx.setAttribute("STOP_STATUS", "ERROR");
  82             try {
  83                 context = getContext(rc, vm_url, identStr);
  84                 if (context != null) {
  85                     rc.reset();
  86                     server = lookupServer(rc, context, vm.getServerId());
  87                     logger.debug(Msg.SERVER_FOUND, vm_url, context.getTenantName(), server.getStatus().toString());
  88
  89                     String msg;
  90                     /*
  91                          * We determine what to do based on the current state of the server
  92                          */
  93
  94                         /*
  95                          * Pending is a bit of a special case. If we find the server is in a
  96                          * pending state, then the provider is in the process of changing state
  97                          * of the server. So, lets try to wait a little bit and see if the state
  98                          * settles down to one we can deal with. If not, then we have to fail
  99                          * the request.
 100                          */
 101
 102                     if (server.getStatus().equals(Server.Status.PENDING)) {
 103                         waitForStateChange(rc, server, Server.Status.READY, Server.Status.RUNNING, Server.Status.ERROR,
 104                                 Server.Status.SUSPENDED, Server.Status.PAUSED, Server.Status.DELETED);
 105                     }
 106
 107                     switch (server.getStatus()) {
 108                         case DELETED:
 109                             // Nothing to do, the server is gone
 110                             msg = EELFResourceManager.format(Msg.SERVER_DELETED, server.getName(), server.getId(),
 111                                     server.getTenantId(), "stopped");
 112                             generateEvent(rc, false, msg);
 113                             logger.error(msg);
 114                             metricsLogger.error(msg);
 115                             throw new RequestFailedException("Stop Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, 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, server);
 132
 133                         case READY:
 134                             // Nothing to do, the server was already stopped
 135                             logger.info("Server was already stopped");
 136                             break;
 137
 138                         case PAUSED:
 139                             // if paused, un-pause it and then stop it
 140                             rc.reset();
 141                             unpauseServer(rc, server);
 142                             rc.reset();
 143                             stopServer(rc, server);
 144                             generateEvent(rc, true, Outcome.SUCCESS.toString());
 145                             break;
 146
 147                         case SUSPENDED:
 148                             // Attempt to resume the suspended server and after that stop it
 149                             rc.reset();
 150                             resumeServer(rc, server);
 151                             rc.reset();
 152                             stopServer(rc, server);
 153                             generateEvent(rc, true, Outcome.SUCCESS.toString());
 154                             break;
 155
 156                         default:
 157                             // Hmmm, unknown status, should never occur
 158                             msg = EELFResourceManager.format(Msg.UNKNOWN_SERVER_STATE, server.getName(), server.getId(),
 159                                     server.getTenantId(), server.getStatus().name());
 160                             generateEvent(rc, false, msg);
 161                             logger.error(msg);
 162                             metricsLogger.error(msg);
 163                             throw new RequestFailedException("Stop Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server);
 164                     }
 165                     context.close();
 166                     doSuccess(rc);
 167                     ctx.setAttribute("STOP_STATUS", "SUCCESS");
 168                     msg = EELFResourceManager.format(Msg.SUCCESS_EVENT_MESSAGE, "StopServer", vm_url);
 169                     ctx.setAttribute(org.openecomp.appc.Constants.ATTRIBUTE_SUCCESS_MESSAGE, msg);
 170
 171                 }else{
 172                     ctx.setAttribute("STOP_STATUS", "CONTEXT_NOT_FOUND");
 173                 }
 174             } catch (ResourceNotFoundException e) {
 175                 String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vm_url);
 176                 logger.error(msg);
 177                 doFailure(rc, HttpStatus.NOT_FOUND_404, msg);
 178             } catch (Throwable t) {
 179                 String msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, t, t.getClass().getSimpleName(),
 180                         STOP_SERVICE.toString(), vm_url, context == null ? "Unknown" : context.getTenantName());
 181                 logger.error(msg, t);
 182                 doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg);
 183             }
 184         } catch (RequestFailedException e) {
 185             logger.error(EELFResourceManager.format(Msg.STOP_SERVER_FAILED, appName, "n/a", "n/a", e.getMessage()));
 186             doFailure(rc, e.getStatus(), e.getMessage());
 187         }
 188
 189         return server;
 190     }
 191
 192     @Override
 193     protected ModelObject executeProviderOperation(Map<String, String> params, SvcLogicContext context) throws APPCException {
 194
 195         setMDC(STOP_SERVICE.toString(), "App-C IaaS Adapter:Stop", ADAPTER_NAME);
 196         logOperation(Msg.STOPPING_SERVER, params, context);
 197         return stopServer(params, context);
 198     }
 199 }