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

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