sli/provider-base/src/main/java/org/onap/ccsdk/sli/core/sli/provider/base/ConfigureNodeExecutor.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP : CCSDK
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights
   6  *                                              reserved.
   7  * ================================================================================
   8  * Modifications Copyright (C) 2018 IBM.
   9  * ================================================================================
  10  * Licensed under the Apache License, Version 2.0 (the "License");
  11  * you may not use this file except in compliance with the License.
  12  * You may obtain a copy of the License at
  13  *
  14  *      http://www.apache.org/licenses/LICENSE-2.0
  15  *
  16  * Unless required by applicable law or agreed to in writing, software
  17  * distributed under the License is distributed on an "AS IS" BASIS,
  18  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  19  * See the License for the specific language governing permissions and
  20  * limitations under the License.
  21  * ============LICENSE_END=========================================================
  22  */
  23
  24 package org.onap.ccsdk.sli.core.sli.provider.base;
  25
  26 import java.util.HashMap;
  27 import java.util.Iterator;
  28 import java.util.Map;
  29 import java.util.Set;
  30
  31 import org.onap.ccsdk.sli.core.sli.SvcLogicAdaptor;
  32 import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
  33 import org.onap.ccsdk.sli.core.sli.SvcLogicException;
  34 import org.onap.ccsdk.sli.core.sli.SvcLogicExpression;
  35 import org.onap.ccsdk.sli.core.sli.SvcLogicNode;
  36 import org.slf4j.Logger;
  37 import org.slf4j.LoggerFactory;
  38
  39 public class ConfigureNodeExecutor extends AbstractSvcLogicNodeExecutor {
  40         private static final Logger LOG = LoggerFactory
  41                         .getLogger(ConfigureNodeExecutor.class);
  42         private static final String CAUGHT_EXCEPTION_MSG="Caught exception from ";
  43         private static final String ALREADY_ACTIVE= "already-active";
  44         private static final String NOT_FOUND= "not-found";
  45
  46         public SvcLogicNode execute(SvcLogicServiceBase svc, SvcLogicNode node,
  47                         SvcLogicContext ctx) throws SvcLogicException {
  48
  49                 String adaptorName = SvcLogicExpressionResolver.evaluate(
  50                                 node.getAttribute("adaptor"), node, ctx);
  51                 String outValue = "failure";
  52
  53                 if (LOG.isDebugEnabled()) {
  54                         LOG.debug("configure node encountered - looking for adaptor "
  55                                         + adaptorName);
  56                 }
  57
  58                 SvcLogicAdaptor adaptor = getAdaptor(adaptorName);
  59
  60                 if (adaptor != null) {
  61                         String activate = SvcLogicExpressionResolver.evaluate(
  62                                         node.getAttribute("activate"), node, ctx);
  63                         String key = SvcLogicExpressionResolver.evaluate(
  64                                         node.getAttribute("key"), node, ctx);
  65
  66                         Map<String, String> parmMap = new HashMap<>();
  67
  68                         Set<Map.Entry<String, SvcLogicExpression>> parmSet = node
  69                                         .getParameterSet();
  70                         boolean hasParms = false;
  71
  72                         for (Iterator<Map.Entry<String, SvcLogicExpression>> iter = parmSet
  73                                         .iterator(); iter.hasNext();) {
  74                                 hasParms = true;
  75                                 Map.Entry<String, SvcLogicExpression> curEnt = iter.next();
  76                                 String curName = curEnt.getKey();
  77                                 SvcLogicExpression curExpr = curEnt.getValue();
  78                                 String curExprValue = SvcLogicExpressionResolver.evaluate(curExpr, node, ctx);
  79
  80                                 LOG.debug("Parameter "+curName+" = "+curExpr.asParsedExpr()+" resolves to "+curExprValue);
  81
  82                                 parmMap.put(curName,curExprValue);
  83                         }
  84
  85                         if (hasParms) {
  86                                 SvcLogicAdaptor.ConfigStatus confStatus = SvcLogicAdaptor.ConfigStatus.FAILURE;
  87
  88                                 try {
  89                                         confStatus = adaptor.configure(key, parmMap, ctx);
  90                                 } catch (Exception e) {
  91                                         LOG.warn(CAUGHT_EXCEPTION_MSG+adaptorName+".configure", e);
  92                                         confStatus = SvcLogicAdaptor.ConfigStatus.FAILURE;
  93                                 }
  94
  95                                 switch (confStatus) {
  96                                 case SUCCESS:
  97                                         outValue = "success";
  98                                         if ((activate != null) && (activate.length() > 0)) {
  99                                                 if ("true".equalsIgnoreCase(activate)) {
 100                                                         SvcLogicAdaptor.ConfigStatus activateStatus = SvcLogicAdaptor.ConfigStatus.FAILURE;
 101
 102                                                         try {
 103                                                                 activateStatus = adaptor.activate(key, ctx);
 104                                                         } catch (Exception e) {
 105
 106                                                                 LOG.warn(CAUGHT_EXCEPTION_MSG+adaptorName+".activate", e);
 107                                                                 activateStatus = SvcLogicAdaptor.ConfigStatus.FAILURE;
 108                                                         }
 109                                                         switch (activateStatus) {
 110                                                         case SUCCESS:
 111                                                                 break;
 112                                                         case ALREADY_ACTIVE:
 113                                                                 outValue = ALREADY_ACTIVE;
 114                                                                 break;
 115                                                         case NOT_FOUND:
 116                                                                 outValue = NOT_FOUND;
 117                                                                 break;
 118                                                         case NOT_READY:
 119                                                                 outValue = "not-ready";
 120                                                                 break;
 121                                                         case FAILURE:
 122                                                         default:
 123                                                                 outValue = "failure";
 124                                                         }
 125                                                 } else if ("false".equalsIgnoreCase(activate)) {
 126                                                         SvcLogicAdaptor.ConfigStatus deactivateStatus = SvcLogicAdaptor.ConfigStatus.FAILURE;
 127
 128                                                         try {
 129                                                                 deactivateStatus = adaptor.deactivate(key, ctx);
 130                                                         } catch (Exception e) {
 131
 132                                                                 LOG.warn(CAUGHT_EXCEPTION_MSG+adaptorName+".deactivate", e);
 133                                                                 deactivateStatus = SvcLogicAdaptor.ConfigStatus.FAILURE;
 134                                                         }
 135                                                         switch (deactivateStatus) {
 136                                                         case SUCCESS:
 137                                                                 break;
 138                                                         case ALREADY_ACTIVE:
 139                                                                 outValue = ALREADY_ACTIVE;
 140                                                                 break;
 141                                                         case NOT_FOUND:
 142                                                                 outValue = NOT_FOUND;
 143                                                                 break;
 144                                                         case NOT_READY:
 145                                                                 outValue = "not-ready";
 146                                                                 break;
 147                                                         case FAILURE:
 148                                                         default:
 149                                                                 outValue = "failure";
 150                                                         }
 151                                                 }
 152                                         }
 153                                         break;
 154                                 case ALREADY_ACTIVE:
 155                                         outValue = ALREADY_ACTIVE;
 156                                         break;
 157                                 case NOT_FOUND:
 158                                         outValue = NOT_FOUND;
 159                                         break;
 160                                 case NOT_READY:
 161                                         outValue = "not-ready";
 162                                         break;
 163                                 case FAILURE:
 164                                 default:
 165                                         outValue = "failure";
 166                                 }
 167                         } else {
 168                                 if ((activate != null) && (activate.length() > 0)) {
 169                                         if ("true".equalsIgnoreCase(activate)) {
 170                                                 SvcLogicAdaptor.ConfigStatus activateStatus = SvcLogicAdaptor.ConfigStatus.FAILURE;
 171                                                 try {
 172                                                         activateStatus = adaptor.activate(key, ctx);
 173                                                 } catch (Exception e) {
 174                                                         LOG.warn(CAUGHT_EXCEPTION_MSG+adaptorName+".activate", e);
 175                                                         activateStatus = SvcLogicAdaptor.ConfigStatus.FAILURE;
 176                                                 }
 177                                                 switch (activateStatus) {
 178                                                 case SUCCESS:
 179                                                         outValue = "success";
 180                                                         break;
 181                                                 case ALREADY_ACTIVE:
 182                                                         outValue = ALREADY_ACTIVE;
 183                                                         break;
 184                                                 case NOT_FOUND:
 185                                                         outValue = NOT_FOUND;
 186                                                         break;
 187                                                 case NOT_READY:
 188                                                         outValue = "not-ready";
 189                                                         break;
 190                                                 case FAILURE:
 191                                                 default:
 192                                                         outValue = "failure";
 193                                                 }
 194                                         } else if ("false".equalsIgnoreCase(activate)) {
 195                                                 SvcLogicAdaptor.ConfigStatus deactivateStatus = SvcLogicAdaptor.ConfigStatus.FAILURE;
 196
 197                                                 try {
 198                                                         deactivateStatus = adaptor.deactivate(key, ctx);
 199                                                 } catch (Exception e) {
 200                                                         LOG.warn(CAUGHT_EXCEPTION_MSG+adaptorName+".deactivate", e);
 201                                                         deactivateStatus = SvcLogicAdaptor.ConfigStatus.FAILURE;
 202                                                 }
 203                                                 switch (deactivateStatus) {
 204                                                 case SUCCESS:
 205                                                         outValue = "success";
 206                                                         break;
 207                                                 case ALREADY_ACTIVE:
 208                                                         outValue = ALREADY_ACTIVE;
 209                                                         break;
 210                                                 case NOT_FOUND:
 211                                                         outValue = NOT_FOUND;
 212                                                         break;
 213                                                 case NOT_READY:
 214                                                         outValue = "not-ready";
 215                                                         break;
 216                                                 case FAILURE:
 217                                                 default:
 218                                                         outValue = "failure";
 219                                                 }
 220                                         }
 221                                 } else {
 222                                         LOG.warn("Nothing to configure - no parameters passed, and activate attribute is not set");
 223                                         outValue = "success";
 224                                 }
 225                         }
 226                 } else {
 227                         if (LOG.isWarnEnabled()) {
 228                                 LOG.warn("Adaptor for " + adaptorName + " not found");
 229                         }
 230                 }
 231
 232                 SvcLogicNode nextNode = node.getOutcomeValue(outValue);
 233                 if (nextNode != null) {
 234                         if (LOG.isDebugEnabled()) {
 235                                 LOG.debug("about to execute " + outValue + " branch");
 236                         }
 237                         return (nextNode);
 238                 }
 239
 240                 nextNode = node.getOutcomeValue("Other");
 241                 if (nextNode != null) {
 242                         if (LOG.isDebugEnabled()) {
 243                                 LOG.debug("about to execute Other branch");
 244                         }
 245                 } else {
 246                         if (LOG.isDebugEnabled()) {
 247                                 LOG.debug("no " + outValue + " or Other branch found");
 248                         }
 249                 }
 250                 return (nextNode);
 251         }
 252
 253 }