gerrit.onap Code Review - appc.git/blob

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP : APPC
   4  * ================================================================================
   5  * Copyright (C) 2017-2018 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  * ============LICENSE_END=========================================================
  22  */
  23
  24 package org.onap.appc.adapter.iaas.provider.operation.impl;
  25
  26 import org.onap.appc.Constants;
  27 import org.onap.appc.adapter.iaas.ProviderAdapter;
  28 import org.onap.appc.adapter.iaas.impl.IdentityURL;
  29 import org.onap.appc.adapter.iaas.impl.RequestContext;
  30 import org.onap.appc.adapter.iaas.impl.RequestFailedException;
  31 import org.onap.appc.adapter.iaas.impl.VMURL;
  32 import org.onap.appc.adapter.iaas.provider.operation.common.enums.Operation;
  33 import org.onap.appc.adapter.iaas.provider.operation.impl.base.ProviderServerOperation;
  34 import org.onap.appc.exceptions.APPCException;
  35 import org.onap.appc.i18n.Msg;
  36 import com.att.cdp.exceptions.ResourceNotFoundException;
  37 import com.att.cdp.zones.Context;
  38 import com.att.cdp.zones.model.ModelObject;
  39 import com.att.cdp.zones.model.Server;
  40 import com.att.eelf.configuration.EELFLogger;
  41 import com.att.eelf.configuration.EELFManager;
  42 import com.att.eelf.i18n.EELFResourceManager;
  43 import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
  44 import org.glassfish.grizzly.http.util.HttpStatus;
  45 import java.util.Map;
  46 import static org.onap.appc.adapter.iaas.provider.operation.common.enums.Operation.START_SERVICE;
  47 import static org.onap.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.onap.appc.adapter.iaas.ProviderAdapter#startServer(java.util.Map,
  55      *      org.onap.ccsdk.sli.core.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))
  73                 return null;
  74
  75             IdentityURL ident = IdentityURL.parseURL(params.get(ProviderAdapter.PROPERTY_IDENTITY_URL));
  76             String identStr = (ident == null) ? null : ident.toString();
  77
  78             Context context = null;
  79             String tenantName = "Unknown";//to be used also in case of exception
  80             ctx.setAttribute("START_STATUS", "ERROR");
  81             try {
  82                 context = getContext(rc, vm_url, identStr);
  83                 if (context != null) {
  84                     tenantName = context.getTenantName();//this varaible also is used in case of exception
  85                     rc.reset();
  86                     server = lookupServer(rc, context, vm.getServerId());
  87                     logger.debug(Msg.SERVER_FOUND, vm_url, tenantName, server.getStatus().toString());
  88                     String msg;
  89
  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 pending state, then the
  96                      * provider is in the process of changing state of the server. So, lets try to wait a little bit and
  97                      * see if the state settles down to one we can deal with. If not, then we have to fail the request.
  98                      */
  99
 100                     if (server.getStatus().equals(Server.Status.PENDING)) {
 101                         waitForStateChange(rc, server, Server.Status.READY, Server.Status.RUNNING, Server.Status.ERROR,
 102                                 Server.Status.SUSPENDED, Server.Status.PAUSED, Server.Status.DELETED);
 103                     }
 104
 105                     switch (server.getStatus()) {
 106                         case DELETED:
 107                             // Nothing to do, the server is gone
 108                             msg = EELFResourceManager.format(Msg.SERVER_DELETED, server.getName(), server.getId(),
 109                                     server.getTenantId(), "started");
 110                             logger.error(msg);
 111                             throw new RequestFailedException("Start Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405,
 112                                     server);
 113
 114                         case RUNNING:
 115                             // Nothing to do, the server is already running
 116                             logger.info("Server was already running");
 117                             break;
 118
 119                         case ERROR:
 120                             // Server is in error state
 121                             msg = EELFResourceManager.format(Msg.SERVER_ERROR_STATE, server.getName(), server.getId(),
 122                                     server.getTenantId(), "start");
 123                             logger.error(msg);
 124                             throw new RequestFailedException("Start Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405,
 125                                     server);
 126
 127                         case READY:
 128                             // Server is stopped attempt to start the server
 129                             rc.reset();
 130                             startServer(rc, server);
 131                             break;
 132
 133                         case PAUSED:
 134                             // if paused, un-pause it
 135                             rc.reset();
 136                             unpauseServer(rc, server);
 137                             break;
 138
 139                         case SUSPENDED:
 140                             // Attempt to resume the suspended server
 141                             rc.reset();
 142                             resumeServer(rc, server);
 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                             throw new RequestFailedException("Start Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405,
 152                                     server);
 153                     }
 154                     context.close();
 155                     doSuccess(rc);
 156                     ctx.setAttribute("START_STATUS", "SUCCESS");
 157                 } else {
 158                     ctx.setAttribute("START_STATUS", "CONTEXT_NOT_FOUND");
 159                 }
 160             } catch (ResourceNotFoundException e) {
 161                 String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vm_url);
 162                 logger.error(msg);
 163                 doFailure(rc, HttpStatus.NOT_FOUND_404, msg);
 164             } catch (Exception e1) {
 165                 String msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, e1,
 166                         e1.getClass().getSimpleName(), START_SERVICE.toString(), vm_url,
 167                         tenantName);
 168                 logger.error(msg, e1);
 169                 doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg);
 170             }
 171         } catch (RequestFailedException e) {
 172             doFailure(rc, e.getStatus(), e.getMessage());
 173         }
 174
 175         return server;
 176     }
 177
 178     @Override
 179     protected ModelObject executeProviderOperation(Map<String, String> params, SvcLogicContext context)
 180             throws APPCException {
 181         setMDC(Operation.START_SERVICE.toString(), "App-C IaaS Adapter:Start", ADAPTER_NAME);
 182         logOperation(Msg.STARTING_SERVER, params, context);
 183         return startServer(params, context);
 184     }
 185 }