appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/main/java/org/openecomp/appc/adapter/iaas/provider/operation/impl/StartServer.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.Operation;
  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.START_SERVICE;
  47 import static org.openecomp.appc.adapter.utils.Constants.ADAPTER_NAME;
  48
  49 public class StartServer extends ProviderServerOperation {
  50
  51     private static final EELFLogger logger = EELFManager.getInstance().getLogger(StartServer.class);
  52
  53     /**
  54      * @see org.openecomp.appc.adapter.iaas.ProviderAdapter#startServer(java.util.Map, org.openecomp.sdnc.sli.SvcLogicContext)
  55      */
  56     @SuppressWarnings("nls")
  57     public Server startServer(Map<String, String> params, SvcLogicContext ctx) throws APPCException {
  58         Server server = null;
  59         RequestContext rc = new RequestContext(ctx);
  60         rc.isAlive();
  61
  62         String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME);
  63
  64         try {
  65             validateParametersExist(params, ProviderAdapter.PROPERTY_INSTANCE_URL,
  66                     ProviderAdapter.PROPERTY_PROVIDER_NAME);
  67
  68             String vm_url = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL);
  69
  70             VMURL vm = VMURL.parseURL(vm_url);
  71             if (validateVM(rc, appName, vm_url, vm)) return null;
  72
  73             IdentityURL ident = IdentityURL.parseURL(params.get(ProviderAdapter.PROPERTY_IDENTITY_URL));
  74             String identStr = (ident == null) ? null : ident.toString();
  75
  76             Context context = null;
  77             ctx.setAttribute("START_STATUS", "ERROR");
  78             try {
  79                 context = getContext(rc, vm_url, identStr);
  80                 if (context != null) {
  81                     rc.reset();
  82                     server = lookupServer(rc, context, vm.getServerId());
  83                     logger.debug(Msg.SERVER_FOUND, vm_url, context.getTenantName(), server.getStatus().toString());
  84                     String msg;
  85
  86                         /*
  87                          * We determine what to do based on the current state of the server
  88                          */
  89
  90                         /*
  91                          * Pending is a bit of a special case. If we find the server is in a
  92                          * pending state, then the provider is in the process of changing state
  93                          * of the server. So, lets try to wait a little bit and see if the state
  94                          * settles down to one we can deal with. If not, then we have to fail
  95                          * the request.
  96                          */
  97
  98                     if (server.getStatus().equals(Server.Status.PENDING)) {
  99                         waitForStateChange(rc, server, Server.Status.READY, Server.Status.RUNNING, Server.Status.ERROR,
 100                                 Server.Status.SUSPENDED, Server.Status.PAUSED, Server.Status.DELETED);
 101                     }
 102
 103                     switch (server.getStatus()) {
 104                         case DELETED:
 105                             // Nothing to do, the server is gone
 106                             msg = EELFResourceManager.format(Msg.SERVER_DELETED, server.getName(), server.getId(),
 107                                     server.getTenantId(), "started");
 108                             logger.error(msg);
 109                             //                                  metricsLogger.error(msg);
 110                             throw new RequestFailedException("Start Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server);
 111
 112                         case RUNNING:
 113                             // Nothing to do, the server is already running
 114                             logger.info("Server was already running");
 115                             break;
 116
 117                         case ERROR:
 118                             // Server is in error state
 119                             msg = EELFResourceManager.format(Msg.SERVER_ERROR_STATE, server.getName(), server.getId(),
 120                                     server.getTenantId(), "start");
 121                             logger.error(msg);
 122                             //                                  metricsLogger.error(msg);
 123                             throw new RequestFailedException("Start Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server);
 124
 125                         case READY:
 126                             // Server is stopped attempt to start the server
 127                             rc.reset();
 128                             startServer(rc, server);
 129                             break;
 130
 131                         case PAUSED:
 132                             // if paused, un-pause it
 133                             rc.reset();
 134                             unpauseServer(rc, server);
 135                             //                                  metricsLogger.info("Server status: PAUSED");
 136                             break;
 137
 138                         case SUSPENDED:
 139                             // Attempt to resume the suspended server
 140                             rc.reset();
 141                             resumeServer(rc, server);
 142                             //                                  metricsLogger.info("Server status: SUSPENDED");
 143                             break;
 144
 145                         default:
 146                             // Hmmm, unknown status, should never occur
 147                             msg = EELFResourceManager.format(Msg.UNKNOWN_SERVER_STATE, server.getName(), server.getId(),
 148                                     server.getTenantId(), server.getStatus().name());
 149                             generateEvent(rc, false, msg);
 150                             logger.error(msg);
 151                             //                                  metricsLogger.error(msg);
 152                             throw new RequestFailedException("Start Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server);
 153                     }
 154                     context.close();
 155                     doSuccess(rc);
 156                     ctx.setAttribute("START_STATUS", "SUCCESS");
 157                 }
 158                 else
 159                 {
 160                     ctx.setAttribute("START_STATUS", "CONTEXT_NOT_FOUND");
 161                 }
 162             } catch (ResourceNotFoundException e) {
 163                 String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vm_url);
 164                 logger.error(msg);
 165                 doFailure(rc, HttpStatus.NOT_FOUND_404, msg);
 166             } catch (Throwable t) {
 167                 String msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, t, t.getClass().getSimpleName(),
 168                         START_SERVICE.toString(), vm_url, context == null ? "Unknown" : context.getTenantName());
 169                 logger.error(msg, t);
 170                 doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg);
 171             }
 172         } catch (RequestFailedException e) {
 173             doFailure(rc, e.getStatus(), e.getMessage());
 174         }
 175
 176         return server;
 177     }
 178
 179     @Override
 180     protected ModelObject executeProviderOperation(Map<String, String> params, SvcLogicContext context) throws APPCException {
 181
 182         setMDC(Operation.START_SERVICE.toString(), "App-C IaaS Adapter:Start", ADAPTER_NAME);
 183         logOperation(Msg.STARTING_SERVER, params, context);
 184         return startServer(params, context);
 185     }
 186 }