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.openecomp.sdnc.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             ctx.setAttribute("START_STATUS", "ERROR");
  81             try {
  82                 context = getContext(rc, vm_url, identStr);
  83                 if (context != null) {
  84                     rc.reset();
  85                     server = lookupServer(rc, context, vm.getServerId());
  86                     logger.debug(Msg.SERVER_FOUND, vm_url, context.getTenantName(), server.getStatus().toString());
  87                     String msg;
  88
  89                     /*
  90                      * We determine what to do based on the current state of the server
  91                      */
  92
  93                     /*
  94                      * Pending is a bit of a special case. If we find the server is in a pending state, then the
  95                      * provider is in the process of changing state of the server. So, lets try to wait a little bit and
  96                      * see if the state settles down to one we can deal with. If not, then we have to fail 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                             throw new RequestFailedException("Start Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405,
 111                                     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                             throw new RequestFailedException("Start Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405,
 124                                     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                             break;
 137
 138                         case SUSPENDED:
 139                             // Attempt to resume the suspended server
 140                             rc.reset();
 141                             resumeServer(rc, server);
 142                             break;
 143
 144                         default:
 145                             // Hmmm, unknown status, should never occur
 146                             msg = EELFResourceManager.format(Msg.UNKNOWN_SERVER_STATE, server.getName(), server.getId(),
 147                                     server.getTenantId(), server.getStatus().name());
 148                             generateEvent(rc, false, msg);
 149                             logger.error(msg);
 150                             throw new RequestFailedException("Start Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405,
 151                                     server);
 152                     }
 153                     context.close();
 154                     doSuccess(rc);
 155                     ctx.setAttribute("START_STATUS", "SUCCESS");
 156                 } else {
 157                     ctx.setAttribute("START_STATUS", "CONTEXT_NOT_FOUND");
 158                 }
 159             } catch (ResourceNotFoundException e) {
 160                 String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vm_url);
 161                 logger.error(msg);
 162                 doFailure(rc, HttpStatus.NOT_FOUND_404, msg);
 163             } catch (Exception e1) {
 164                 String msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, e1,
 165                         e1.getClass().getSimpleName(), START_SERVICE.toString(), vm_url,
 166                         context == null ? "Unknown" : context.getTenantName());
 167                 logger.error(msg, e1);
 168                 doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg);
 169             }
 170         } catch (RequestFailedException e) {
 171             doFailure(rc, e.getStatus(), e.getMessage());
 172         }
 173
 174         return server;
 175     }
 176
 177     @Override
 178     protected ModelObject executeProviderOperation(Map<String, String> params, SvcLogicContext context)
 179             throws APPCException {
 180         setMDC(Operation.START_SERVICE.toString(), "App-C IaaS Adapter:Start", ADAPTER_NAME);
 181         logOperation(Msg.STARTING_SERVER, params, context);
 182         return startServer(params, context);
 183     }
 184 }