appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/main/java/org/onap/appc/adapter/iaas/provider/operation/impl/StartServer.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.Operation;
  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.START_SERVICE;
  48 import static org.onap.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.onap.appc.adapter.iaas.ProviderAdapter#startServer(java.util.Map,
  56      *      org.onap.ccsdk.sli.core.sli.SvcLogicContext)
  57      */
  58     @SuppressWarnings("nls")
  59     public Server startServer(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
  72             VMURL vm = VMURL.parseURL(vm_url);
  73             if (validateVM(rc, appName, vm_url, vm))
  74                 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             String tenantName = "Unknown";//to be used also in case of exception
  81             ctx.setAttribute("START_STATUS", "ERROR");
  82             try {
  83                 context = getContext(rc, vm_url, identStr);
  84                 if (context != null) {
  85                     tenantName = context.getTenantName();//this varaible also is used in case of exception
  86                     rc.reset();
  87                     server = lookupServer(rc, context, vm.getServerId());
  88                     logger.debug(Msg.SERVER_FOUND, vm_url, tenantName, server.getStatus().toString());
  89                     String msg;
  90
  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(), "started");
 111                             logger.error(msg);
 112                             throw new RequestFailedException("Start Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405,
 113                                     server);
 114
 115                         case RUNNING:
 116                             // Nothing to do, the server is already running
 117                             logger.info("Server was already running");
 118                             break;
 119
 120                         case ERROR:
 121                             // Server is in error state
 122                             msg = EELFResourceManager.format(Msg.SERVER_ERROR_STATE, server.getName(), server.getId(),
 123                                     server.getTenantId(), "start");
 124                             logger.error(msg);
 125                             throw new RequestFailedException("Start Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405,
 126                                     server);
 127
 128                         case READY:
 129                             // Server is stopped attempt to start the server
 130                             rc.reset();
 131                             startServer(rc, server);
 132                             break;
 133
 134                         case PAUSED:
 135                             // if paused, un-pause it
 136                             rc.reset();
 137                             unpauseServer(rc, server);
 138                             break;
 139
 140                         case SUSPENDED:
 141                             // Attempt to resume the suspended server
 142                             rc.reset();
 143                             resumeServer(rc, server);
 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                             throw new RequestFailedException("Start Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405,
 153                                     server);
 154                     }
 155                     context.close();
 156                     doSuccess(rc);
 157                     ctx.setAttribute("START_STATUS", "SUCCESS");
 158                 } else {
 159                     ctx.setAttribute("START_STATUS", "CONTEXT_NOT_FOUND");
 160                 }
 161             } catch (ResourceNotFoundException e) {
 162                 String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vm_url);
 163                 logger.error(msg);
 164                 doFailure(rc, HttpStatus.NOT_FOUND_404, msg);
 165             } catch (Exception e1) {
 166                 String msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, e1,
 167                         e1.getClass().getSimpleName(), START_SERVICE.toString(), vm_url,
 168                         tenantName);
 169                 logger.error(msg, e1);
 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)
 181             throws APPCException {
 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 }