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) 2017-2019 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 import org.onap.appc.adapter.iaas.provider.operation.common.constants.Property;
  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         String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME);
  64         try {
  65             validateParametersExist(params, ProviderAdapter.PROPERTY_INSTANCE_URL,
  66                     ProviderAdapter.PROPERTY_PROVIDER_NAME);
  67             String vm_url = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL);
  68             VMURL vm = VMURL.parseURL(vm_url);
  69             if (validateVM(rc, appName, vm_url, vm))
  70                 return null;
  71             IdentityURL ident = IdentityURL.parseURL(params.get(ProviderAdapter.PROPERTY_IDENTITY_URL));
  72             String identStr = (ident == null) ? null : ident.toString();
  73             Context context = null;
  74             String tenantName = "Unknown";// to be used also in case of exception
  75             ctx.setAttribute("START_STATUS", "ERROR");
  76             // Is the skip Hypervisor check attribute populated?
  77             String skipHypervisorCheck = configuration.getProperty(Property.SKIP_HYPERVISOR_CHECK);
  78             if (skipHypervisorCheck == null && ctx != null) {
  79                 skipHypervisorCheck = ctx.getAttribute(ProviderAdapter.SKIP_HYPERVISOR_CHECK);
  80             }
  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                     if (skipHypervisorCheck == null || (!skipHypervisorCheck.equalsIgnoreCase("true"))) {
  89                         // Check of the Hypervisor for the VM Server is UP and reachable
  90                         checkHypervisor(server);
  91                     }
  92                     String msg;
  93                     /*
  94                      * We determine what to do based on the current state of the server
  95                      */
  96
  97                     /*
  98                      * Pending is a bit of a special case. If we find the server is in a pending
  99                      * state, then the provider is in the process of changing state of the server.
 100                      * So, lets try to wait a little bit and see if the state settles down to one we
 101                      * can deal with. If not, then we have to fail the request.
 102                      */
 103
 104                     if (server.getStatus().equals(Server.Status.PENDING)) {
 105                         waitForStateChange(rc, server, Server.Status.READY, Server.Status.RUNNING, Server.Status.ERROR,
 106                                 Server.Status.SUSPENDED, Server.Status.PAUSED, Server.Status.DELETED);
 107                     }
 108                     switch (server.getStatus()) {
 109                     case DELETED:
 110                         // Nothing to do, the server is gone
 111                         msg = EELFResourceManager.format(Msg.SERVER_DELETED, server.getName(), server.getId(),
 112                                 server.getTenantId(), "started");
 113                         logger.error(msg);
 114                         throw new RequestFailedException("Start Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405,
 115                                 server);
 116                     case RUNNING:
 117                         // Nothing to do, the server is already running
 118                         logger.info("Server was already running");
 119                         break;
 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, 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         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 }