+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP-PAP-REST
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.policy.pap.xacml.rest.elk.client;
+
+import java.io.IOException;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import org.elasticsearch.index.query.QueryBuilders;
+import org.elasticsearch.index.query.QueryStringQueryBuilder;
+import org.elasticsearch.search.builder.SearchSourceBuilder;
+import org.json.JSONObject;
+import org.onap.policy.common.logging.flexlogger.FlexLogger;
+import org.onap.policy.common.logging.flexlogger.Logger;
+import org.onap.policy.rest.adapter.PolicyRestAdapter;
+import org.onap.policy.xacml.api.XACMLErrorConstants;
+
+import io.searchbox.action.Action;
+import io.searchbox.client.JestClient;
+import io.searchbox.client.JestClientFactory;
+import io.searchbox.client.JestResult;
+import io.searchbox.client.config.HttpClientConfig;
+import io.searchbox.core.Delete;
+import io.searchbox.core.Index;
+import io.searchbox.core.Search;
+import io.searchbox.core.Search.Builder;
+import io.searchbox.indices.IndicesExists;
+import io.searchbox.indices.type.TypeExist;
+import io.searchbox.params.Parameters;
+
+public class ElkConnectorImpl implements ElkConnector{
+
+ private static final Logger LOGGER = FlexLogger.getLogger(ElkConnector.class);
+
+ protected final JestClientFactory jestFactory = new JestClientFactory();
+ protected final JestClient jestClient;
+ protected static int QUERY_MAXRECORDS = 1000;
+
+ public ElkConnectorImpl() {
+ if (LOGGER.isDebugEnabled()){
+ LOGGER.debug("ENTER: -");
+ }
+ HttpClientConfig jestClientConfig = new HttpClientConfig.Builder(ELK_URL).multiThreaded(true).build();
+ jestFactory.setHttpClientConfig(jestClientConfig);
+ jestClient = jestFactory.getObject();
+ }
+
+ protected boolean isType(PolicyIndexType type) throws IOException {
+ if (LOGGER.isDebugEnabled()){
+ LOGGER.debug("ENTER: -");
+ }
+
+ try {
+ Action<JestResult> typeQuery = new TypeExist.Builder(ELK_INDEX_POLICY).addType(type.toString()).build();
+ JestResult result = jestClient.execute(typeQuery);
+
+ if (LOGGER.isInfoEnabled()) {
+ LOGGER.info("JSON:" + result.getJsonString());
+ LOGGER.info("ERROR:" + result.getErrorMessage());
+ LOGGER.info("PATH:" + result.getPathToResult());
+ LOGGER.info(result.getJsonObject());
+ }
+ return result.isSucceeded();
+ } catch (IOException e) {
+ LOGGER.warn("Error checking type existance of " + type.toString() + ": " + e.getMessage(), e);
+ throw e;
+ }
+ }
+
+ protected boolean isIndex() throws IOException {
+ try {
+ Action<JestResult> indexQuery = new IndicesExists.Builder(ELK_INDEX_POLICY).build();
+
+ JestResult result = jestClient.execute(indexQuery);
+ if (LOGGER.isInfoEnabled()) {
+ LOGGER.info("JSON:" + result.getJsonString());
+ LOGGER.info("ERROR:" + result.getErrorMessage());
+ LOGGER.info("PATH:" + result.getPathToResult());
+ LOGGER.info(result.getJsonObject());
+ }
+ return result.isSucceeded();
+ } catch (IOException e) {
+ LOGGER.warn("Error checking index existance of " + ELK_INDEX_POLICY + ": " + e.getMessage(), e);
+ throw e;
+ }
+ }
+
+ @Override
+ public JestResult search(PolicyIndexType type, String text) throws IllegalStateException, IllegalArgumentException {
+ if (LOGGER.isTraceEnabled()){
+ LOGGER.trace("ENTER: " + text);
+ }
+
+ if (text == null || text.isEmpty()) {
+ throw new IllegalArgumentException("No search string provided");
+ }
+
+ QueryStringQueryBuilder mQ = QueryBuilders.queryStringQuery("*"+text+"*");
+ SearchSourceBuilder searchSourceBuilder =
+ new SearchSourceBuilder().query(mQ);
+
+ Builder searchBuilder = new Search.Builder(searchSourceBuilder.toString()).
+ addIndex(ELK_INDEX_POLICY).
+ setParameter(Parameters.SIZE, ElkConnectorImpl.QUERY_MAXRECORDS);
+
+ if (type == null || type == PolicyIndexType.all) {
+ for (PolicyIndexType pT: PolicyIndexType.values()) {
+ if (pT != PolicyIndexType.all) {
+ searchBuilder.addType(pT.toString());
+ }
+ }
+ } else {
+ searchBuilder.addType(type.toString());
+ }
+
+ Search search = searchBuilder.build();
+ JestResult result;
+ try {
+ result = jestClient.execute(search);
+ } catch (IOException ioe) {
+ LOGGER.warn(XACMLErrorConstants.ERROR_SYSTEM_ERROR + ":" +
+ search + ": " + ioe.getMessage(), ioe);
+ throw new IllegalStateException(ioe);
+ }
+
+ if (result.isSucceeded()) {
+ if (LOGGER.isInfoEnabled()){
+ LOGGER.info("OK:" + result.getResponseCode() + ":" + search + ": " +
+ result.getPathToResult() + ":" + System.lineSeparator() +
+ result.getJsonString());
+ }
+ } else {
+ /* Unsuccessful search */
+ if (LOGGER.isWarnEnabled()){
+ LOGGER.warn(XACMLErrorConstants.ERROR_PROCESS_FLOW + ":" +
+ result.getResponseCode() + ": " +
+ search.getURI() + ":" +
+ result.getPathToResult() + ":" +
+ result.getJsonString() + ":" +
+ result.getErrorMessage());
+ }
+
+ String errorMessage = result.getErrorMessage();
+ if (errorMessage != null && !errorMessage.isEmpty()) {
+ String xMessage = errorMessage;
+ if (errorMessage.contains("TokenMgrError")) {
+ int indexError = errorMessage.lastIndexOf("TokenMgrError");
+ xMessage = "Invalid Search Expression. Details: " + errorMessage.substring(indexError);
+ } else if (errorMessage.contains("QueryParsingException")) {
+ int indexError = errorMessage.lastIndexOf("QueryParsingException");
+ xMessage = "Invalid Search Expression. Details: " + errorMessage.substring(indexError);
+ } else if (errorMessage.contains("JsonParseException")) {
+ int indexError = errorMessage.lastIndexOf("JsonParseException");
+ xMessage = "Invalid Search Expression. Details: " + errorMessage.substring(indexError);
+ } else if (errorMessage.contains("Parse Failure")) {
+ int indexError = errorMessage.lastIndexOf("Parse Failure");
+ xMessage = "Invalid Search Expression. Details: " + errorMessage.substring(indexError);
+ } else if (errorMessage.contains("SearchParseException")) {
+ int indexError = errorMessage.lastIndexOf("SearchParseException");
+ xMessage = "Invalid Search Expression. Details: " + errorMessage.substring(indexError);
+ } else {
+ xMessage = result.getErrorMessage();
+ }
+ throw new IllegalStateException(xMessage);
+ }
+ }
+
+ return result;
+ }
+
+
+ @Override
+ public JestResult search(PolicyIndexType type, String text,
+ Map<String, String> filter_s)
+ throws IllegalStateException, IllegalArgumentException {
+ if (LOGGER.isTraceEnabled()){
+ LOGGER.trace("ENTER: " + text);
+ }
+
+ if (filter_s == null || filter_s.size() == 0) {
+ return search(type, text);
+ }
+
+ String matches_s = "";
+ matches_s = "{\n" +
+ " \"size\" : "+ ElkConnectorImpl.QUERY_MAXRECORDS + ",\n" +
+ " \"query\": {\n" +
+ " \"bool\" : {\n" +
+ " \"must\" : [";
+
+ String match_params = "";
+ boolean first = true;
+ for(Entry<String, String> entry : filter_s.entrySet()){
+ String key = entry.getKey();
+ String value = entry.getValue();
+ if(first){
+ match_params = "\"match\" : {\""+key+"\" : \""+value+"\" }},";
+ first = false;
+ }else{
+ match_params = match_params + "{\"match\" : { \""+key+"\" : \""+value+"\" } },";
+ }
+ }
+ if(match_params.endsWith(",")){
+ match_params = match_params.substring(0, match_params.length()-2);
+ }
+
+ matches_s = matches_s + "{\n" + match_params + "\n}" ;
+
+ boolean query = false;
+ String query_String = "";
+ if(text != null){
+ query = true;
+ query_String = "{\n \"query_string\" : {\n \"query\" : \"*"+text+"*\"\n} \n}";
+ }
+
+ if(query){
+ matches_s = matches_s + "," + query_String + "]\n}\n}\n}";
+ }else{
+ matches_s = matches_s + "]\n}\n}\n}";
+ }
+
+ Builder searchBuilder = new Search.Builder(matches_s).addIndex(ELK_INDEX_POLICY);
+
+ if (type == null || type == PolicyIndexType.all) {
+ for (PolicyIndexType pT: PolicyIndexType.values()) {
+ if (pT != PolicyIndexType.all) {
+ searchBuilder.addType(pT.toString());
+ }
+ }
+ } else {
+ searchBuilder.addType(type.toString());
+ }
+
+ Search search = searchBuilder.build();
+
+ JestResult result;
+ try {
+ result = jestClient.execute(search);
+ } catch (IOException ioe) {
+ LOGGER.warn(XACMLErrorConstants.ERROR_SYSTEM_ERROR + ":" +
+ search + ": " + ioe.getMessage(), ioe);
+ throw new IllegalStateException(ioe);
+ }
+
+ if (result.isSucceeded()) {
+ if (LOGGER.isInfoEnabled()){
+ LOGGER.info("OK:" + result.getResponseCode() + ":" + search + ": " +
+ result.getPathToResult() + ":" + System.lineSeparator() +
+ result.getJsonString());
+ }
+ } else {
+ /* Unsuccessful search */
+ if (LOGGER.isWarnEnabled()){
+ LOGGER.warn(XACMLErrorConstants.ERROR_PROCESS_FLOW + ":" +
+ result.getResponseCode() + ": " +
+ search.getURI() + ":" +
+ result.getPathToResult() + ":" +
+ result.getJsonString() + ":" +
+ result.getErrorMessage());
+ }
+
+ String errorMessage = result.getErrorMessage();
+ if (errorMessage != null && !errorMessage.isEmpty()) {
+ String xMessage = errorMessage;
+ if (errorMessage.contains("TokenMgrError")) {
+ int indexError = errorMessage.lastIndexOf("TokenMgrError");
+ xMessage = "Invalid Search Expression. Details: " + errorMessage.substring(indexError);
+ } else if (errorMessage.contains("QueryParsingException")) {
+ int indexError = errorMessage.lastIndexOf("QueryParsingException");
+ xMessage = "Invalid Search Expression. Details: " + errorMessage.substring(indexError);
+ } else if (errorMessage.contains("JsonParseException")) {
+ int indexError = errorMessage.lastIndexOf("JsonParseException");
+ xMessage = "Invalid Search Expression. Details: " + errorMessage.substring(indexError);
+ } else if (errorMessage.contains("Parse Failure")) {
+ int indexError = errorMessage.lastIndexOf("Parse Failure");
+ xMessage = "Invalid Search Expression. Details: " + errorMessage.substring(indexError);
+ } else if (errorMessage.contains("SearchParseException")) {
+ int indexError = errorMessage.lastIndexOf("SearchParseException");
+ xMessage = "Invalid Search Expression. Details: " + errorMessage.substring(indexError);
+ } else {
+ xMessage = result.getErrorMessage();
+ }
+ throw new IllegalStateException(xMessage);
+ }
+ }
+
+ return result;
+ }
+
+ public boolean put(PolicyRestAdapter policyData)
+ throws IOException, IllegalStateException {
+ if (LOGGER.isTraceEnabled()) LOGGER.trace("ENTER");
+
+ PolicyIndexType indexType;
+ try {
+ String policyName = policyData.getNewFileName();
+ if(policyName.contains("Config_")){
+ policyName = policyName.replace(".Config_", ":Config_");
+ }else if(policyName.contains("Action_")){
+ policyName = policyName.replace(".Action_", ":Action_");
+ }else if(policyName.contains("Decision_")){
+ policyName = policyName.replace(".Decision_", ":Decision_");
+ }
+
+ String[] splitPolicyName = policyName.split(":");
+ indexType = ElkConnector.toPolicyIndexType(splitPolicyName[1]);
+ } catch (IllegalArgumentException e) {
+ throw new IllegalStateException("ELK: Index: " + ELK_INDEX_POLICY + e.getMessage());
+ }
+ PolicyElasticData elasticData = new PolicyElasticData(policyData);
+ JSONObject jsonObj = new JSONObject(elasticData);
+ Index elkPut = new Index.Builder(jsonObj.toString()).
+ index(ELK_INDEX_POLICY).
+ type(indexType.name()).
+ id(elasticData.getPolicyName()).
+ refresh(true).
+ build();
+
+ JestResult result = jestClient.execute(elkPut);
+
+ if (result.isSucceeded()) {
+ if (LOGGER.isInfoEnabled())
+ LOGGER.info("OK: PUT operation of " + "->" + ": " +
+ "success=" + result.isSucceeded() + "[" + result.getResponseCode() + ":" +
+ result.getPathToResult() + "]" + System.lineSeparator() +
+ result.getJsonString());
+ } else {
+ if (LOGGER.isWarnEnabled())
+ LOGGER.warn("FAILURE: PUT operation of "+ "->" + ": " +
+ "success=" + result.isSucceeded() + "[" + result.getResponseCode() + ":" +
+ result.getPathToResult() + "]" + System.lineSeparator() +
+ result.getJsonString());
+
+ }
+
+ return result.isSucceeded();
+ }
+
+ @Override
+ public boolean delete(PolicyRestAdapter policyData) throws IllegalStateException {
+ PolicyIndexType indexType = null;
+ JestResult result;
+ try {
+ String policyName = policyData.getNewFileName();
+ if(policyName.contains("Config_")){
+ policyName = policyName.replace(".Config_", ":Config_");
+ }else if(policyName.contains("Action_")){
+ policyName = policyName.replace(".Action_", ":Action_");
+ }else if(policyName.contains("Decision_")){
+ policyName = policyName.replace(".Decision_", ":Decision_");
+ }
+
+ String[] splitPolicyName = policyName.split(":");
+ indexType = ElkConnector.toPolicyIndexType(splitPolicyName[1]);
+ if (!isType(indexType)) {
+ throw new IllegalStateException("ELK: Index: " + ELK_INDEX_POLICY +
+ " Type: " + indexType +
+ " is not configured");
+ }
+ PolicyElasticData elasticData = new PolicyElasticData(policyData);
+ Delete deleteRequest = new Delete.Builder(elasticData.getPolicyName()).index(ELK_INDEX_POLICY).
+ type(indexType.name()).build();
+ result = jestClient.execute(deleteRequest);
+ } catch (IllegalArgumentException | IOException e) {
+ LOGGER.warn(XACMLErrorConstants.ERROR_SYSTEM_ERROR + ": delete:" +
+ indexType + ": null" + ":" + policyData.getNewFileName() + ": " +
+ e.getMessage(), e);
+ throw new IllegalStateException(e);
+ }
+
+ if (result.isSucceeded()) {
+ if (LOGGER.isInfoEnabled())
+ LOGGER.info("OK: DELETE operation of " + indexType + ":" + policyData.getNewFileName() + ": " +
+ "success=" + result.isSucceeded() + "[" + result.getResponseCode() + ":" +
+ result.getPathToResult() + "]" + System.lineSeparator() +
+ result.getJsonString());
+ } else {
+ if (LOGGER.isWarnEnabled())
+ LOGGER.warn("FAILURE: DELETE operation of " + indexType + ":" + policyData.getNewFileName() + ": " +
+ "success=" + result.isSucceeded() + "[" + result.getResponseCode() + ":" +
+ result.getPathToResult() + "]" + System.lineSeparator() +
+ result.getJsonString());
+ }
+
+ return result.isSucceeded();
+ }
+
+ @Override
+ public boolean update(PolicyRestAdapter policyData) throws IllegalStateException {
+ if (LOGGER.isDebugEnabled()){
+ LOGGER.debug("ENTER");
+ }
+ try {
+ boolean success = put(policyData);
+ return success;
+ } catch (Exception e) {
+ LOGGER.warn(XACMLErrorConstants.ERROR_UNKNOWN + ":" + "cannot test and update", e);
+ throw new IllegalStateException(e);
+ }
+ }
+}