gerrit.onap Code Review - appc.git/blob

   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  * Modifications Copyright (c) 2019 IBM
  10  * =============================================================================
  11  * Licensed under the Apache License, Version 2.0 (the "License");
  12  * you may not use this file except in compliance with the License.
  13  * You may obtain a copy of the License at
  14  *
  15  *      http://www.apache.org/licenses/LICENSE-2.0
  16  *
  17  * Unless required by applicable law or agreed to in writing, software
  18  * distributed under the License is distributed on an "AS IS" BASIS,
  19  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  20  * See the License for the specific language governing permissions and
  21  * limitations under the License.
  22  *
  23  * ============LICENSE_END=========================================================
  24  */
  25
  26 package org.onap.appc.adapter.iaas.provider.operation.impl;
  27
  28 import org.onap.appc.Constants;
  29 import org.onap.appc.adapter.iaas.ProviderAdapter;
  30 import org.onap.appc.adapter.iaas.impl.IdentityURL;
  31 import org.onap.appc.adapter.iaas.impl.RequestContext;
  32 import org.onap.appc.adapter.iaas.impl.RequestFailedException;
  33 import org.onap.appc.adapter.iaas.impl.VMURL;
  34 import org.onap.appc.adapter.iaas.provider.operation.common.enums.Outcome;
  35 import org.onap.appc.adapter.iaas.provider.operation.impl.base.ProviderServerOperation;
  36 import org.onap.appc.exceptions.APPCException;
  37 import org.onap.appc.i18n.Msg;
  38 import org.onap.appc.logging.LoggingConstants;
  39 import org.onap.appc.logging.LoggingUtils;
  40 import com.att.cdp.exceptions.ResourceNotFoundException;
  41 import com.att.cdp.zones.Context;
  42 import com.att.cdp.zones.model.ModelObject;
  43 import com.att.cdp.zones.model.Server;
  44 import com.att.eelf.configuration.EELFLogger;
  45 import com.att.eelf.configuration.EELFManager;
  46 import com.att.eelf.i18n.EELFResourceManager;
  47 import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
  48 import org.glassfish.grizzly.http.util.HttpStatus;
  49 import java.util.Date;
  50 import java.util.Map;
  51 import org.slf4j.MDC;
  52 import static org.onap.appc.adapter.iaas.provider.operation.common.enums.Operation.STOP_SERVICE;
  53 import static org.onap.appc.adapter.utils.Constants.ADAPTER_NAME;
  54 import org.onap.appc.adapter.iaas.provider.operation.common.constants.Property;
  55
  56 public class StopServer extends ProviderServerOperation {
  57
  58     private final EELFLogger logger = EELFManager.getInstance().getLogger(StopServer.class);
  59     private final EELFLogger metricsLogger = EELFManager.getInstance().getMetricsLogger();
  60
  61     /**
  62      * @see org.onap.appc.adapter.iaas.ProviderAdapter#stopServer(java.util.Map,
  63      *      org.openecomp.sdnc.sli.SvcLogicContext)
  64      */
  65     @SuppressWarnings("nls")
  66     private Server stopServer(Map<String, String> params, SvcLogicContext ctx) throws APPCException {
  67         Server server = null;
  68         RequestContext rc = new RequestContext(ctx);
  69         rc.isAlive();
  70         setTimeForMetricsLogger();
  71         String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME);
  72         try {
  73             validateParametersExist(params, ProviderAdapter.PROPERTY_INSTANCE_URL,
  74                     ProviderAdapter.PROPERTY_PROVIDER_NAME);
  75             String vm_url = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL);
  76             ctx.setAttribute("STOP_STATUS", "SUCCESS");
  77             VMURL vm = VMURL.parseURL(vm_url);
  78             if (validateVM(rc, appName, vm_url, vm))
  79                 return null;
  80             IdentityURL ident = IdentityURL.parseURL(params.get(ProviderAdapter.PROPERTY_IDENTITY_URL));
  81             String identStr = (ident == null) ? null : ident.toString();
  82             Context context = null;
  83             ctx.setAttribute("STOP_STATUS", "ERROR");
  84             // Is the skip Hypervisor check attribute populated?
  85             String skipHypervisorCheck = configuration.getProperty(Property.SKIP_HYPERVISOR_CHECK);
  86             if (skipHypervisorCheck == null && ctx != null) {
  87                 skipHypervisorCheck = ctx.getAttribute(ProviderAdapter.SKIP_HYPERVISOR_CHECK);
  88             }
  89             try {
  90                 context = getContext(rc, vm_url, identStr);
  91                 if (context != null) {
  92                     rc.reset();
  93                     server = lookupServer(rc, context, vm.getServerId());
  94                     logger.debug(Msg.SERVER_FOUND, vm_url, context.getTenantName(), server.getStatus().toString());
  95                     // Always perform Hypervisor check
  96                     // unless the skip is set to true
  97                     if (skipHypervisorCheck == null || (!skipHypervisorCheck.equalsIgnoreCase("true"))) {
  98                         // Check of the Hypervisor for the VM Server is UP and reachable
  99                         checkHypervisor(server);
 100                     }
 101                     String msg;
 102                     /*
 103                      * We determine what to do based on the current state of the server
 104                      */
 105                     /*
 106                      * Pending is a bit of a special case. If we find the server is in a pending
 107                      * state, then the provider is in the process of changing state of the server.
 108                      * So, lets try to wait a little bit and see if the state settles down to one we
 109                      * can deal with. If not, then we have to fail the request.
 110                      */
 111                     if (server.getStatus().equals(Server.Status.PENDING)) {
 112                         waitForStateChange(rc, server, Server.Status.READY, Server.Status.RUNNING, Server.Status.ERROR,
 113                                 Server.Status.SUSPENDED, Server.Status.PAUSED, Server.Status.DELETED);
 114                     }
 115                     switch (server.getStatus()) {
 116                     case DELETED:
 117                         // Nothing to do, the server is gone
 118                         msg = EELFResourceManager.format(Msg.SERVER_DELETED, server.getName(), server.getId(),
 119                                 server.getTenantId(), "stopped");
 120                         generateEvent(rc, false, msg);
 121                         logger.error(msg);
 122                         metricsLogger.error(msg);
 123                         throw new RequestFailedException("Stop Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server);
 124                     case RUNNING:
 125                         // Attempt to stop the server
 126                         rc.reset();
 127                         stopServer(rc, server);
 128                         generateEvent(rc, true, Outcome.SUCCESS.toString());
 129                         break;
 130                     case ERROR:
 131                         // Server is in error state
 132                         msg = EELFResourceManager.format(Msg.SERVER_ERROR_STATE, server.getName(), server.getId(),
 133                                 server.getTenantId(), "stop");
 134                         generateEvent(rc, false, msg);
 135                         logger.error(msg);
 136                         metricsLogger.error(msg);
 137                         throw new RequestFailedException("Stop Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server);
 138                     case READY:
 139                         // Nothing to do, the server was already stopped
 140                         logger.info("Server was already stopped");
 141                         break;
 142                     case PAUSED:
 143                         // if paused, un-pause it and then stop it
 144                         rc.reset();
 145                         unpauseServer(rc, server);
 146                         rc.reset();
 147                         stopServer(rc, server);
 148                         generateEvent(rc, true, Outcome.SUCCESS.toString());
 149                         break;
 150                     case SUSPENDED:
 151                         // Attempt to resume the suspended server and after that stop it
 152                         rc.reset();
 153                         resumeServer(rc, server);
 154                         rc.reset();
 155                         stopServer(rc, server);
 156                         generateEvent(rc, true, Outcome.SUCCESS.toString());
 157                         break;
 158                     default:
 159                         // Hmmm, unknown status, should never occur
 160                         msg = EELFResourceManager.format(Msg.UNKNOWN_SERVER_STATE, server.getName(), server.getId(),
 161                                 server.getTenantId(), server.getStatus().name());
 162                         generateEvent(rc, false, msg);
 163                         logger.error(msg);
 164                         metricsLogger.error(msg);
 165                         throw new RequestFailedException("Stop Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server);
 166                     }
 167                     context.close();
 168                     doSuccess(rc);
 169                     ctx.setAttribute("STOP_STATUS", "SUCCESS");
 170                     msg = EELFResourceManager.format(Msg.SUCCESS_EVENT_MESSAGE, "StopServer", vm_url);
 171                     ctx.setAttribute(org.onap.appc.Constants.ATTRIBUTE_SUCCESS_MESSAGE, msg);
 172                 } else {
 173                     ctx.setAttribute("STOP_STATUS", "CONTEXT_NOT_FOUND");
 174                 }
 175             } catch (ResourceNotFoundException e) {
 176                 String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vm_url);
 177                 logger.error(msg);
 178                 doFailure(rc, HttpStatus.NOT_FOUND_404, msg);
 179             } catch (Exception e1) {
 180                 String msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, e1,
 181                         e1.getClass().getSimpleName(), STOP_SERVICE.toString(), vm_url,
 182                         context == null ? "Unknown" : context.getTenantName());
 183                 logger.error(msg, e1);
 184                 doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg);
 185             }
 186         } catch (RequestFailedException e) {
 187             logger.error(EELFResourceManager.format(Msg.STOP_SERVER_FAILED, appName, "n/a", "n/a", e.getMessage()));
 188             doFailure(rc, e.getStatus(), e.getMessage());
 189         }
 190         return server;
 191     }
 192
 193     @Override
 194     protected ModelObject executeProviderOperation(Map<String, String> params, SvcLogicContext context)
 195             throws APPCException {
 196         setMDC(STOP_SERVICE.toString(), "App-C IaaS Adapter:Stop", ADAPTER_NAME);
 197         logOperation(Msg.STOPPING_SERVER, params, context);
 198         return stopServer(params, context);
 199     }
 200
 201     private void setTimeForMetricsLogger() {
 202         String timestamp = LoggingUtils.generateTimestampStr((new Date()).toInstant());
 203         MDC.put(LoggingConstants.MDCKeys.BEGIN_TIMESTAMP, timestamp);
 204         MDC.put(LoggingConstants.MDCKeys.END_TIMESTAMP, timestamp);
 205         MDC.put(LoggingConstants.MDCKeys.ELAPSED_TIME, "0");
 206         MDC.put(LoggingConstants.MDCKeys.STATUS_CODE, LoggingConstants.StatusCodes.COMPLETE);
 207         MDC.put(LoggingConstants.MDCKeys.TARGET_ENTITY, "cdp");
 208         MDC.put(LoggingConstants.MDCKeys.TARGET_SERVICE_NAME, "stop server");
 209         MDC.put(LoggingConstants.MDCKeys.CLASS_NAME, "org.onap.appc.adapter.iaas.provider.operation.impl.StopServer");
 210     }
 211
 212 }