ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/elk/client/ElasticSearchPolicyUpdate.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP Policy Engine
   4  * ================================================================================
   5  * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
   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 package org.onap.policy.pap.xacml.rest.elk.client;
  21
  22 import java.io.ByteArrayInputStream;
  23 import java.io.FileInputStream;
  24 import java.io.InputStream;
  25 import java.nio.charset.StandardCharsets;
  26 import java.nio.file.Path;
  27 import java.nio.file.Paths;
  28 import java.sql.Connection;
  29 import java.sql.DriverManager;
  30 import java.sql.PreparedStatement;
  31 import java.sql.ResultSet;
  32 import java.sql.Statement;
  33 import java.util.ArrayList;
  34 import java.util.Iterator;
  35 import java.util.List;
  36 import java.util.Properties;
  37
  38 import org.onap.policy.common.logging.flexlogger.FlexLogger;
  39 import org.onap.policy.common.logging.flexlogger.Logger;
  40 import org.onap.policy.utils.CryptoUtils;
  41 import org.onap.policy.xacml.util.XACMLPolicyScanner;
  42
  43 import com.google.gson.Gson;
  44
  45 import io.searchbox.client.JestClientFactory;
  46 import io.searchbox.client.config.HttpClientConfig;
  47 import io.searchbox.client.http.JestHttpClient;
  48 import io.searchbox.core.Bulk;
  49 import io.searchbox.core.Bulk.Builder;
  50 import io.searchbox.core.BulkResult;
  51 import io.searchbox.core.Index;
  52 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AllOfType;
  53 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AnyOfType;
  54 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeDesignatorType;
  55 import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeValueType;
  56 import oasis.names.tc.xacml._3_0.core.schema.wd_17.MatchType;
  57 import oasis.names.tc.xacml._3_0.core.schema.wd_17.PolicyType;
  58 import oasis.names.tc.xacml._3_0.core.schema.wd_17.TargetType;
  59
  60
  61
  62 /**
  63  * This code will deals with parsing the XACML content on reading from
  64  * database(PolicyEntity, ConfigurationDataEntity and ActionBodyEntity tables)
  65  * and convert the data into json to do bulk operation on putting to elastic search database.
  66  * Which is used to support Elastic Search in Policy Application GUI to search policies.
  67  *
  68  *
  69  *
  70  * properties should be configured in policyelk.properties
  71  *
  72  */
  73 public class ElasticSearchPolicyUpdate {
  74
  75         private static final Logger LOGGER = FlexLogger.getLogger(ElasticSearchPolicyUpdate.class);
  76         protected final static JestClientFactory jestFactory = new JestClientFactory();
  77
  78         public static void main(String[] args) {
  79
  80                 String elkURL = null;
  81                 String databseUrl = null;
  82                 String userName = null;
  83                 String txt = null;
  84                 String databaseDriver = null;
  85
  86                 String propertyFile = System.getProperty("PROPERTY_FILE");
  87                 Properties config = new Properties();
  88                 Path file = Paths.get(propertyFile);
  89                 if(!file.toFile().exists()){
  90                         LOGGER.error("Config File doesn't Exist in the specified Path " + file.toString());
  91                 }else{
  92                         if(file.toString().endsWith(".properties")){
  93                                 try {
  94                                         InputStream in = new FileInputStream(file.toFile());
  95                                         config.load(in);
  96                                         elkURL = config.getProperty("policy.elk.url");
  97                                         databseUrl = config.getProperty("policy.database.url");
  98                                         userName = config.getProperty("policy.database.username");
  99                                         txt = CryptoUtils.decryptTxtNoExStr(config.getProperty("policy.database.password"));
 100                                         databaseDriver = config.getProperty("policy.database.driver");
 101                                         if(elkURL == null || databseUrl == null || userName == null || txt == null || databaseDriver == null){
 102                                                 LOGGER.error("please check the elk configuration");
 103                                         }
 104                                 } catch (Exception e) {
 105                                         LOGGER.error("Config File doesn't Exist in the specified Path " + file.toString(),e);
 106                                 }
 107                         }
 108                 }
 109
 110                 Builder bulk = null;
 111
 112                 HttpClientConfig httpClientConfig = new HttpClientConfig.Builder(elkURL).multiThreaded(true).build();
 113                 jestFactory.setHttpClientConfig(httpClientConfig);
 114             JestHttpClient client = (JestHttpClient) jestFactory.getObject();
 115
 116                 Connection conn = null;
 117                 Statement stmt = null;
 118
 119                 List<Index> listIndex = new ArrayList<>();
 120
 121                 try {
 122                         Class.forName(databaseDriver);
 123                         conn = DriverManager.getConnection(databseUrl, userName, txt);
 124                         stmt = conn.createStatement();
 125
 126                         String policyEntityQuery = "Select * from PolicyEntity";
 127                         ResultSet result = stmt.executeQuery(policyEntityQuery);
 128
 129                         while(result.next()){
 130                                 StringBuilder policyDataString = new StringBuilder("{");
 131                                 String scope = result.getString("scope");
 132                                 String policyName = result.getString("policyName");
 133                                 if(policyName != null){
 134                                         policyDataString.append("\"policyName\":\""+scope+"."+policyName+"\",");
 135                                 }
 136                                 String description = result.getString("description");
 137                                 if(description != null){
 138                                         policyDataString.append("\"policyDescription\":\""+description+"\",");
 139                                 }
 140                                 Object policyData = result.getString("policydata");
 141
 142                                 if(scope != null){
 143                                         policyDataString.append("\"scope\":\""+scope+"\",");
 144                                 }
 145                                 String actionbodyid = result.getString("actionbodyid");
 146                                 String configurationdataid = result.getString("configurationdataid");
 147
 148
 149                                 String policyWithScopeName = scope + "." + policyName;
 150                                 String _type = null;
 151
 152                                 if(policyWithScopeName.contains(".Config_")){
 153                                         policyDataString.append("\"policyType\":\"Config\",");
 154                                         if(policyWithScopeName.contains(".Config_Fault_")){
 155                                                 _type = "closedloop";
 156                                                 policyDataString.append("\"configPolicyType\":\"ClosedLoop_Fault\",");
 157                                         }else if(policyWithScopeName.contains(".Config_PM_")){
 158                                                 _type = "closedloop";
 159                                                 policyDataString.append("\"configPolicyType\":\"ClosedLoop_PM\",");
 160                                         }else{
 161                                                 _type = "config";
 162                                                 policyDataString.append("\"configPolicyType\":\"Base\",");
 163                                         }
 164                                 }else if(policyWithScopeName.contains(".Action_")){
 165                                         _type = "action";
 166                                         policyDataString.append("\"policyType\":\"Action\",");
 167                                 }else if(policyWithScopeName.contains(".Decision_")){
 168                                         _type = "decision";
 169                                         policyDataString.append("\"policyType\":\"Decision\",");
 170                                 }
 171
 172                                 if(!"decision".equals(_type)){
 173                                         if(configurationdataid != null){
 174                                                 String configEntityQuery = "Select * from ConfigurationDataEntity where configurationDataId = ?";
 175                                                 PreparedStatement pstmt = null;
 176                                                 pstmt = conn.prepareStatement(configEntityQuery);
 177                                             pstmt.setString(1, configurationdataid);
 178                                                 ResultSet configResult = pstmt.executeQuery();
 179                                                 while(configResult.next()){
 180                                                         String configBody = configResult.getString("configbody");
 181                                                         String configType = configResult.getString("configtype");
 182                                                         if(configBody!=null){
 183                                                                 configBody = configBody.replace("null", "\"\"");
 184                                                                 configBody= configBody.replace("\"", "\\\"");
 185                                                                 policyDataString.append("\"jsonBodyData\":\""+configBody+"\",\"configType\":\""+configType+"\",");
 186                                                         }
 187                                                 }
 188                                                 configResult.close();
 189                                         }
 190
 191                                         if(actionbodyid != null){
 192                                                 String actionEntityQuery = "Select * from ActionBodyEntity where actionBodyId = ?";
 193                                                 PreparedStatement pstmt = null;
 194                                                 pstmt = conn.prepareStatement(actionEntityQuery);
 195                                             pstmt.setString(1, actionbodyid);
 196                                                 ResultSet actionResult = pstmt.executeQuery();
 197                                                 while(actionResult.next()){
 198                                                         String actionBody = actionResult.getString("actionbody");
 199                                                         actionBody = actionBody.replace("null", "\"\"");
 200                                                         actionBody = actionBody.replace("\"", "\\\"");
 201                                                         policyDataString.append("\"jsonBodyData\":\""+actionBody+"\",");
 202                                                 }
 203                                                 actionResult.close();
 204                                         }
 205                                 }
 206
 207                                 String _id = policyWithScopeName;
 208
 209                                 String dataString = constructPolicyData(policyData, policyDataString);
 210                                 dataString = dataString.substring(0, dataString.length()-1);
 211                                 dataString = dataString.trim().replace(System.getProperty("line.separator"), "") + "}";
 212                                 dataString = dataString.replace("null", "\"\"");
 213                                 dataString = dataString.replaceAll("\n", "");
 214
 215                                 try{
 216                                         Gson gson = new Gson();
 217                                         gson.fromJson(dataString, Object.class);
 218                                 }catch(Exception e){
 219                                         LOGGER.error(e);
 220                                         continue;
 221                                 }
 222
 223                                 if("config".equals(_type)){
 224                                         listIndex.add(new Index.Builder(dataString).index("policy").type("config").id(_id).build());
 225                                 }else if("closedloop".equals(_type)){
 226                                         listIndex.add(new Index.Builder(dataString).index("policy").type("closedloop").id(_id).build());
 227                                 }else if("action".equals(_type)){
 228                                         listIndex.add(new Index.Builder(dataString).index("policy").type("action").id(_id).build());
 229                                 }else if("decision".equals(_type)){
 230                                         listIndex.add(new Index.Builder(dataString).index("policy").type("decision").id(_id).build());
 231                                 }
 232                         }
 233
 234                         result.close();
 235                         bulk = new Bulk.Builder();
 236                         for(int i =0; i < listIndex.size(); i++){
 237                                 bulk.addAction(listIndex.get(i));
 238                         }
 239                         BulkResult searchResult = client.execute(bulk.build());
 240                         if(searchResult.isSucceeded()){
 241                                 LOGGER.debug("Success");
 242                         }else{
 243                                 LOGGER.error("Failure");
 244                         }
 245                 } catch (Exception e) {
 246                         LOGGER.error("Exception Occured while performing database Operation for Elastic Search Policy Upgrade"+e);
 247                 }finally{
 248                         if(conn != null){
 249                                 try {
 250                                         conn.close();
 251                                 } catch (Exception e) {
 252                                         LOGGER.error("Exception Occured while closing the connection"+e);
 253                                 }
 254                         }
 255                 }
 256         }
 257
 258         public static String constructPolicyData(Object policyContent, StringBuilder policyDataString){
 259                 InputStream stream = new ByteArrayInputStream(policyContent.toString().getBytes(StandardCharsets.UTF_8));
 260                 Object policyData = XACMLPolicyScanner.readPolicy(stream);
 261                 if(policyData instanceof PolicyType){
 262                         PolicyType policy = (PolicyType) policyData;
 263                         TargetType target = policy.getTarget();
 264                         if (target != null) {
 265                                 // Under target we have AnyOFType
 266                                 List<AnyOfType> anyOfList = target.getAnyOf();
 267                                 if (anyOfList != null) {
 268                                         Iterator<AnyOfType> iterAnyOf = anyOfList.iterator();
 269                                         while (iterAnyOf.hasNext()) {
 270                                                 AnyOfType anyOf = iterAnyOf.next();
 271                                                 // Under AnyOFType we have AllOFType
 272                                                 List<AllOfType> allOfList = anyOf.getAllOf();
 273                                                 if (allOfList != null) {
 274                                                         Iterator<AllOfType> iterAllOf = allOfList.iterator();
 275                                                         while (iterAllOf.hasNext()) {
 276                                                                 AllOfType allOf = iterAllOf.next();
 277                                                                 // Under AllOFType we have Match
 278                                                                 List<MatchType> matchList = allOf.getMatch();
 279                                                                 if (matchList != null) {
 280                                                                         Iterator<MatchType> iterMatch = matchList.iterator();
 281                                                                         while (iterMatch.hasNext()) {
 282                                                                                 MatchType match = iterMatch.next();
 283                                                                                 //
 284                                                                                 // Under the match we have attribute value and
 285                                                                                 // attributeDesignator. So,finally down to the actual attribute.
 286                                                                                 //
 287                                                                                 AttributeValueType attributeValue = match.getAttributeValue();
 288                                                                                 String value = (String) attributeValue.getContent().get(0);
 289                                                                                 AttributeDesignatorType designator = match.getAttributeDesignator();
 290                                                                                 String attributeId = designator.getAttributeId();
 291                                                                                 // First match in the target is OnapName, so set that value.
 292                                                                                 if ("ONAPName".equals(attributeId)) {
 293                                                                                         policyDataString.append("\"onapName\":\""+value+"\",");
 294                                                                                 }
 295                                                                                 if ("RiskType".equals(attributeId)){
 296                                                                                         policyDataString.append("\"riskType\":\""+value+"\",");
 297                                                                                 }
 298                                                                                 if ("RiskLevel".equals(attributeId)){
 299                                                                                         policyDataString.append("\"riskLevel\":\""+value+"\",");
 300                                                                                 }
 301                                                                                 if ("guard".equals(attributeId)){
 302                                                                                         policyDataString.append("\"guard\":\""+value+"\",");
 303                                                                                 }
 304                                                                                 if ("ConfigName".equals(attributeId)){
 305                                                                                         policyDataString.append("\"configName\":\""+value+"\",");
 306                                                                                 }
 307                                                                         }
 308                                                                 }
 309                                                         }
 310                                                 }
 311                                         }
 312                                 }
 313                         }
 314                 }
 315                 return policyDataString.toString();
 316         }
 317
 318 }