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.Operation;
  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.START_SERVICE;
  48 import static org.openecomp.appc.adapter.utils.Constants.ADAPTER_NAME;
  49
  50 public class StartServer extends ProviderServerOperation {
  51
  52     private static final EELFLogger logger = EELFManager.getInstance().getLogger(StartServer.class);
  53
  54     /**
  55      * @see org.openecomp.appc.adapter.iaas.ProviderAdapter#startServer(java.util.Map, org.openecomp.sdnc.sli.SvcLogicContext)
  56      */
  57     @SuppressWarnings("nls")
  58     public Server startServer(Map<String, String> params, SvcLogicContext ctx) throws APPCException {
  59         Server server = null;
  60         RequestContext rc = new RequestContext(ctx);
  61         rc.isAlive();
  62
  63         String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME);
  64
  65         try {
  66             validateParametersExist(params, ProviderAdapter.PROPERTY_INSTANCE_URL,
  67                     ProviderAdapter.PROPERTY_PROVIDER_NAME);
  68
  69             String vm_url = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL);
  70
  71             VMURL vm = VMURL.parseURL(vm_url);
  72             if (validateVM(rc, appName, vm_url, vm)) return null;
  73
  74             IdentityURL ident = IdentityURL.parseURL(params.get(ProviderAdapter.PROPERTY_IDENTITY_URL));
  75             String identStr = (ident == null) ? null : ident.toString();
  76
  77             Context context = null;
  78             ctx.setAttribute("START_STATUS", "ERROR");
  79             try {
  80                 context = getContext(rc, vm_url, identStr);
  81                 if (context != null) {
  82                     rc.reset();
  83                     server = lookupServer(rc, context, vm.getServerId());
  84                     logger.debug(Msg.SERVER_FOUND, vm_url, context.getTenantName(), server.getStatus().toString());
  85                     String msg;
  86
  87                         /*
  88                          * We determine what to do based on the current state of the server
  89                          */
  90
  91                         /*
  92                          * Pending is a bit of a special case. If we find the server is in a
  93                          * pending state, then the provider is in the process of changing state
  94                          * of the server. So, lets try to wait a little bit and see if the state
  95                          * settles down to one we can deal with. If not, then we have to fail
  96                          * the request.
  97                          */
  98
  99                     if (server.getStatus().equals(Server.Status.PENDING)) {
 100                         waitForStateChange(rc, server, Server.Status.READY, Server.Status.RUNNING, Server.Status.ERROR,
 101                                 Server.Status.SUSPENDED, Server.Status.PAUSED, Server.Status.DELETED);
 102                     }
 103
 104                     switch (server.getStatus()) {
 105                         case DELETED:
 106                             // Nothing to do, the server is gone
 107                             msg = EELFResourceManager.format(Msg.SERVER_DELETED, server.getName(), server.getId(),
 108                                     server.getTenantId(), "started");
 109                             logger.error(msg);
 110                             //                                  metricsLogger.error(msg);
 111                             throw new RequestFailedException("Start Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server);
 112
 113                         case RUNNING:
 114                             // Nothing to do, the server is already running
 115                             logger.info("Server was already running");
 116                             break;
 117
 118                         case ERROR:
 119                             // Server is in error state
 120                             msg = EELFResourceManager.format(Msg.SERVER_ERROR_STATE, server.getName(), server.getId(),
 121                                     server.getTenantId(), "start");
 122                             logger.error(msg);
 123                             //                                  metricsLogger.error(msg);
 124                             throw new RequestFailedException("Start Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server);
 125
 126                         case READY:
 127                             // Server is stopped attempt to start the server
 128                             rc.reset();
 129                             startServer(rc, server);
 130                             break;
 131
 132                         case PAUSED:
 133                             // if paused, un-pause it
 134                             rc.reset();
 135                             unpauseServer(rc, server);
 136                             //                                  metricsLogger.info("Server status: PAUSED");
 137                             break;
 138
 139                         case SUSPENDED:
 140                             // Attempt to resume the suspended server
 141                             rc.reset();
 142                             resumeServer(rc, server);
 143                             //                                  metricsLogger.info("Server status: SUSPENDED");
 144                             break;
 145
 146                         default:
 147                             // Hmmm, unknown status, should never occur
 148                             msg = EELFResourceManager.format(Msg.UNKNOWN_SERVER_STATE, server.getName(), server.getId(),
 149                                     server.getTenantId(), server.getStatus().name());
 150                             generateEvent(rc, false, msg);
 151                             logger.error(msg);
 152                             //                                  metricsLogger.error(msg);
 153                             throw new RequestFailedException("Start Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server);
 154                     }
 155                     context.close();
 156                     doSuccess(rc);
 157                     ctx.setAttribute("START_STATUS", "SUCCESS");
 158                 }
 159                 else
 160                 {
 161                     ctx.setAttribute("START_STATUS", "CONTEXT_NOT_FOUND");
 162                 }
 163             } catch (ResourceNotFoundException e) {
 164                 String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vm_url);
 165                 logger.error(msg);
 166                 doFailure(rc, HttpStatus.NOT_FOUND_404, msg);
 167             } catch (Throwable t) {
 168                 String msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, t, t.getClass().getSimpleName(),
 169                         START_SERVICE.toString(), vm_url, context == null ? "Unknown" : context.getTenantName());
 170                 logger.error(msg, t);
 171                 doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg);
 172             }
 173         } catch (RequestFailedException e) {
 174             doFailure(rc, e.getStatus(), e.getMessage());
 175         }
 176
 177         return server;
 178     }
 179
 180     @Override
 181     protected ModelObject executeProviderOperation(Map<String, String> params, SvcLogicContext context) throws APPCException {
 182
 183         setMDC(Operation.START_SERVICE.toString(), "App-C IaaS Adapter:Start", ADAPTER_NAME);
 184         logOperation(Msg.STARTING_SERVER, params, context);
 185         return startServer(params, context);
 186     }
 187 }