diff options
Diffstat (limited to 'src/main/java/org/openecomp')
3 files changed, 442 insertions, 110 deletions
diff --git a/src/main/java/org/openecomp/datarouter/logging/DataRouterMsgs.java b/src/main/java/org/openecomp/datarouter/logging/DataRouterMsgs.java index 8304c96..71a5d5d 100644 --- a/src/main/java/org/openecomp/datarouter/logging/DataRouterMsgs.java +++ b/src/main/java/org/openecomp/datarouter/logging/DataRouterMsgs.java @@ -127,6 +127,11 @@ public enum DataRouterMsgs implements LogMessageEnum { PROCESS_REST_REQUEST, /** + * Index {0} may not exist in the search data store. Attempting to create it now. + */ + CREATE_MISSING_INDEX, + + /** * Processed event {0}. Result: {1} * Arguments: {0} = event topic {1} = result */ @@ -150,7 +155,16 @@ public enum DataRouterMsgs implements LogMessageEnum { INVALID_OXM_FILE, - INVALID_OXM_DIR; + INVALID_OXM_DIR, + + /** + * Failed to create or update document in index {0}. Cause: {1} + * + * Arguments: + * {0} = Index name + * {1} = Failure cause + */ + FAIL_TO_CREATE_UPDATE_DOC; /** * Static initializer to ensure the resource bundles for this class are loaded... diff --git a/src/main/java/org/openecomp/datarouter/policy/EntityEventPolicy.java b/src/main/java/org/openecomp/datarouter/policy/EntityEventPolicy.java index afddad2..3c3990e 100644 --- a/src/main/java/org/openecomp/datarouter/policy/EntityEventPolicy.java +++ b/src/main/java/org/openecomp/datarouter/policy/EntityEventPolicy.java @@ -73,6 +73,7 @@ import org.openecomp.datarouter.util.EntityOxmReferenceHelper; import org.openecomp.datarouter.util.ExternalOxmModelProcessor; import org.openecomp.datarouter.util.OxmModelLoader; import org.openecomp.datarouter.util.RouterServiceUtil; +import org.openecomp.datarouter.util.SearchServiceAgent; import org.openecomp.datarouter.util.SearchSuggestionPermutation; import org.openecomp.datarouter.util.Version; import org.openecomp.datarouter.util.VersionedOxmEntities; @@ -89,7 +90,6 @@ public class EntityEventPolicy implements Processor { private static final String entitySearchSchema = "entitysearch_schema.json"; private static final String topographicalSearchSchema = "topographysearch_schema.json"; private Collection<ExternalOxmModelProcessor> externalOxmModelProcessors; - RestClient searchClient = null; private final String EVENT_HEADER = "event-header"; private final String ENTITY_HEADER = "entity"; @@ -106,9 +106,19 @@ public class EntityEventPolicy implements Processor { Map<String, DynamicJAXBContext> oxmVersionContextMap = new HashMap<>(); private String oxmVersion = null; - private String entityIndexTarget = null; + /** Agent for communicating with the Search Service. */ + private SearchServiceAgent searchAgent = null; + + /** Search index name for storing AAI event entities. */ + private String entitySearchIndex; + + /** Search index name for storing topographical search data. */ + private String topographicalSearchIndex; + + /** Search index name for suggestive search data. */ + private String aggregateGenericVnfIndex; + private String entitySearchTarget = null; - private String topographicalIndexTarget = null; private String topographicalSearchTarget = null; private String autoSuggestSearchTarget = null; private String aggregationSearchVnfTarget = null; @@ -131,27 +141,27 @@ public class EntityEventPolicy implements Processor { srcDomain = config.getSourceDomain(); - entityIndexTarget = - EntityEventPolicy.concatSubUri(config.getSearchBaseUrl(), config.getSearchEndpoint(), - config.getSearchEntitySearchIndex()); + // Populate the index names. + entitySearchIndex = config.getSearchEntitySearchIndex(); + topographicalSearchIndex = config.getSearchTopographySearchIndex(); + aggregateGenericVnfIndex = config.getSearchAggregationVnfIndex(); + + // Instantiate the agent that we will use for interacting with the Search Service. + searchAgent = new SearchServiceAgent(config.getSearchCertName(), + config.getSearchKeystore(), + config.getSearchKeystorePwd(), + EntityEventPolicy.concatSubUri(config.getSearchBaseUrl(), + config.getSearchEndpoint()), + config.getSearchEndpointDocuments(), + logger); entitySearchTarget = EntityEventPolicy.concatSubUri(config.getSearchBaseUrl(), config.getSearchEndpoint(), config.getSearchEntitySearchIndex(), config.getSearchEndpointDocuments()); - topographicalIndexTarget = - EntityEventPolicy.concatSubUri(config.getSearchBaseUrl(), config.getSearchEndpoint(), - config.getSearchTopographySearchIndex()); - topographicalSearchTarget = EntityEventPolicy.concatSubUri(config.getSearchBaseUrl(), config.getSearchEndpoint(), config.getSearchTopographySearchIndex()); - // Create REST client for search service - searchClient = new RestClient().validateServerHostname(false).validateServerCertChain(true) - .clientCertFile(DataRouterConstants.DR_HOME_AUTH + config.getSearchCertName()) - .clientCertPassword(Password.deobfuscate(config.getSearchKeystorePwd())) - .trustStore(DataRouterConstants.DR_HOME_AUTH + config.getSearchKeystore()); - autoSuggestSearchTarget = EntityEventPolicy.concatSubUri(config.getSearchBaseUrl(), config.getSearchEndpoint(), config.getSearchEntityAutoSuggestIndex(), config.getSearchEndpointDocuments()); @@ -193,73 +203,12 @@ public class EntityEventPolicy implements Processor { public void startup() { // Create the indexes in the search service if they do not already exist. - createSearchIndex(entityIndexTarget, entitySearchSchema); - createSearchIndex(topographicalIndexTarget, topographicalSearchSchema); + searchAgent.createSearchIndex(entitySearchIndex, entitySearchSchema); + searchAgent.createSearchIndex(topographicalSearchIndex, topographicalSearchSchema); logger.info(EntityEventPolicyMsgs.ENTITY_EVENT_POLICY_REGISTERED); } - /** - * Creates an index through the search db abstraction - * - * @param searchRESTClient - * the REST client configured to contact the search db - * abstraction - * @param searchTarget - * the URL to attempt to create the search index - * @param schemaLocation - * the location of the mappings file for the index - */ - private void createSearchIndex(String searchTarget, String schemaLocation) { - - logger.debug("Creating search index, searchTarget = " + searchTarget + ", schemaLocation = " + schemaLocation); - - MultivaluedMap<String, String> headers = new MultivaluedMapImpl(); - headers.put("Accept", Arrays.asList("application/json")); - headers.put(Headers.FROM_APP_ID, Arrays.asList("DL")); - headers.put(Headers.TRANSACTION_ID, Arrays.asList(UUID.randomUUID().toString())); - - try { - - OperationResult result = searchClient.put(searchTarget, loadFileData(schemaLocation), headers, - MediaType.APPLICATION_JSON_TYPE, null); - - if (!HttpUtil.isHttpResponseClassSuccess(result.getResultCode())) { - logger.error(EntityEventPolicyMsgs.FAIL_TO_CREATE_SEARCH_INDEX, searchTarget, result.getFailureCause()); - } else { - logger.info(EntityEventPolicyMsgs.SEARCH_INDEX_CREATE_SUCCESS, searchTarget); - } - - } catch (Exception e) { - logger.error(EntityEventPolicyMsgs.FAIL_TO_CREATE_SEARCH_INDEX, searchTarget, e.getLocalizedMessage()); - } - } - - /** - * Convenience method to load up all the data from a file into a string - * - * @param filename the filename to read from disk - * @return the data contained within the file - * @throws Exception - */ - protected String loadFileData(String filename) throws Exception { - StringBuilder data = new StringBuilder(); - try { - BufferedReader in = new BufferedReader(new InputStreamReader( - EntityEventPolicy.class.getClassLoader().getResourceAsStream("/" + filename), - StandardCharsets.UTF_8)); - String line; - - while ((line = in.readLine()) != null) { - data.append(line); - } - } catch (Exception e) { - throw new Exception("Failed to read from file = " + filename + ".", e); - } - - return data.toString(); - } - /** * Convert object to json. @@ -456,7 +405,7 @@ public class EntityEventPolicy implements Processor { return; } - handleSearchServiceOperation(aaiEventEntity, action, this.entitySearchTarget); + handleSearchServiceOperation(aaiEventEntity, action, entitySearchIndex); handleTopographicalData(uebPayload, action, entityType, oxmEntityType, oxmJaxbContext, entityPrimaryKeyFieldName, entityPrimaryKeyFieldValue); @@ -955,8 +904,7 @@ public class EntityEventPolicy implements Processor { String jsonPayload = aaiEventEntity.getAsJson(); // Run the GET to retrieve the ETAG from the search service - OperationResult storedEntity = - searchClient.get(entitySearchTarget+entityId, headers, MediaType.APPLICATION_JSON_TYPE); + OperationResult storedEntity = searchAgent.getDocument(entitySearchIndex, entityId); if (HttpUtil.isHttpResponseClassSuccess(storedEntity.getResultCode())) { /* @@ -997,16 +945,14 @@ public class EntityEventPolicy implements Processor { // Do the PUT with new CER ((ObjectNode)node).put("crossEntityReferenceValues", newCer); jsonPayload = NodeUtils.convertObjectToJson(node, false); - searchClient.put(entitySearchTarget + entityId, jsonPayload, headers, - MediaType.APPLICATION_JSON_TYPE, MediaType.APPLICATION_JSON_TYPE); + searchAgent.putDocument(entitySearchIndex, entityId, jsonPayload, headers); } } } else { if (storedEntity.getResultCode() == 404) { // entity not found, so attempt to do a PUT - searchClient.put(entitySearchTarget + entityId, aaiEventEntity.getAsJson(), headers, - MediaType.APPLICATION_JSON_TYPE, MediaType.APPLICATION_JSON_TYPE); + searchAgent.putDocument(entitySearchIndex, entityId, aaiEventEntity.getAsJson(), headers); } else { logger.error(EntityEventPolicyMsgs.FAILED_TO_UPDATE_ENTITY_IN_DOCSTORE, aaiEventEntity.getId(), "SYNC_ENTITY"); @@ -1039,8 +985,7 @@ public class EntityEventPolicy implements Processor { if ((action.equalsIgnoreCase(ACTION_CREATE) && entityId != null) || action.equalsIgnoreCase(ACTION_UPDATE)) { // Run the GET to retrieve the ETAG from the search service - OperationResult storedEntity = - searchClient.get(target + entityId, headers, MediaType.APPLICATION_JSON_TYPE); + OperationResult storedEntity = searchAgent.getDocument(aggregateGenericVnfIndex, entityId); if (HttpUtil.isHttpResponseClassSuccess(storedEntity.getResultCode())) { List<String> etag = storedEntity.getHeaders().get(Headers.ETAG); @@ -1056,20 +1001,23 @@ public class EntityEventPolicy implements Processor { String eventEntityStr = eventEntity.getAsJson(); if (eventEntityStr != null) { - searchClient.put(target + entityId, eventEntity.getAsJson(), headers, - MediaType.APPLICATION_JSON_TYPE, MediaType.APPLICATION_JSON_TYPE); + List<String> createIndex = new ArrayList<String>(); + createIndex.add("true"); + headers.put("X-CreateIndex", createIndex); + searchAgent.putDocument(aggregateGenericVnfIndex, entityId, eventEntity.getAsJson(), headers); } } else if (action.equalsIgnoreCase(ACTION_CREATE)) { String eventEntityStr = eventEntity.getAsJson(); if (eventEntityStr != null) { - searchClient.post(target, eventEntityStr, headers, MediaType.APPLICATION_JSON_TYPE, - MediaType.APPLICATION_JSON_TYPE); + List<String> createIndex = new ArrayList<String>(); + createIndex.add("true"); + headers.put("X-CreateIndex", createIndex); + searchAgent.postDocument(aggregateGenericVnfIndex, eventEntityStr, headers); } } else if (action.equalsIgnoreCase(ACTION_DELETE)) { // Run the GET to retrieve the ETAG from the search service - OperationResult storedEntity = - searchClient.get(target + entityId, headers, MediaType.APPLICATION_JSON_TYPE); + OperationResult storedEntity = searchAgent.getDocument(aggregateGenericVnfIndex, entityId); if (HttpUtil.isHttpResponseClassSuccess(storedEntity.getResultCode())) { List<String> etag = storedEntity.getHeaders().get(Headers.ETAG); @@ -1081,7 +1029,7 @@ public class EntityEventPolicy implements Processor { entityId); } - searchClient.delete(target + eventEntity.getId(), headers, null); + searchAgent.deleteDocument(aggregateGenericVnfIndex, eventEntity.getId(), headers); } else { logger.error(EntityEventPolicyMsgs.NO_ETAG_AVAILABLE_FAILURE, target + entityId, entityId); @@ -1095,8 +1043,9 @@ public class EntityEventPolicy implements Processor { } } - private void handleSearchServiceOperation(DocumentStoreDataEntity eventEntity, String action, - String target) { + private void handleSearchServiceOperation(DocumentStoreDataEntity eventEntity, + String action, + String index) { try { Map<String, List<String>> headers = new HashMap<>(); @@ -1111,8 +1060,7 @@ public class EntityEventPolicy implements Processor { || action.equalsIgnoreCase(ACTION_UPDATE)) { // Run the GET to retrieve the ETAG from the search service - OperationResult storedEntity = - searchClient.get(target + entityId, headers, MediaType.APPLICATION_JSON_TYPE); + OperationResult storedEntity = searchAgent.getDocument(index, entityId); if (HttpUtil.isHttpResponseClassSuccess(storedEntity.getResultCode())) { List<String> etag = storedEntity.getHeaders().get(Headers.ETAG); @@ -1120,20 +1068,22 @@ public class EntityEventPolicy implements Processor { if (etag != null && etag.size() > 0) { headers.put(Headers.IF_MATCH, etag); } else { - logger.error(EntityEventPolicyMsgs.NO_ETAG_AVAILABLE_FAILURE, target + entityId, + logger.error(EntityEventPolicyMsgs.NO_ETAG_AVAILABLE_FAILURE, index, entityId); } } - searchClient.put(target + entityId, eventEntity.getAsJson(), headers, - MediaType.APPLICATION_JSON_TYPE, MediaType.APPLICATION_JSON_TYPE); + // Write the entity to the search service. + // PUT + searchAgent.putDocument(index, entityId, eventEntity.getAsJson(), headers); + } else if (action.equalsIgnoreCase(ACTION_CREATE)) { - searchClient.post(target, eventEntity.getAsJson(), headers, MediaType.APPLICATION_JSON_TYPE, - MediaType.APPLICATION_JSON_TYPE); + // Write the entry to the search service. + searchAgent.postDocument(index, eventEntity.getAsJson(), headers); + } else if (action.equalsIgnoreCase(ACTION_DELETE)) { // Run the GET to retrieve the ETAG from the search service - OperationResult storedEntity = - searchClient.get(target + entityId, headers, MediaType.APPLICATION_JSON_TYPE); + OperationResult storedEntity = searchAgent.getDocument(index, entityId); if (HttpUtil.isHttpResponseClassSuccess(storedEntity.getResultCode())) { List<String> etag = storedEntity.getHeaders().get(Headers.ETAG); @@ -1141,13 +1091,13 @@ public class EntityEventPolicy implements Processor { if (etag != null && etag.size() > 0) { headers.put(Headers.IF_MATCH, etag); } else { - logger.error(EntityEventPolicyMsgs.NO_ETAG_AVAILABLE_FAILURE, target + entityId, + logger.error(EntityEventPolicyMsgs.NO_ETAG_AVAILABLE_FAILURE, index, entityId); } - searchClient.delete(target + eventEntity.getId(), headers, null); + searchAgent.deleteDocument(index, eventEntity.getId(), headers); } else { - logger.error(EntityEventPolicyMsgs.NO_ETAG_AVAILABLE_FAILURE, target + entityId, + logger.error(EntityEventPolicyMsgs.NO_ETAG_AVAILABLE_FAILURE, index, entityId); } } else { diff --git a/src/main/java/org/openecomp/datarouter/util/SearchServiceAgent.java b/src/main/java/org/openecomp/datarouter/util/SearchServiceAgent.java new file mode 100644 index 0000000..3d27425 --- /dev/null +++ b/src/main/java/org/openecomp/datarouter/util/SearchServiceAgent.java @@ -0,0 +1,368 @@ +/**
+ * ============LICENSE_START=======================================================
+ * DataRouter
+ * ================================================================================
+ * Copyright © 2017 AT&T Intellectual Property.
+ * Copyright © 2017 Amdocs
+ * 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=========================================================
+ *
+ * ECOMP and OpenECOMP are trademarks
+ * and service marks of AT&T Intellectual Property.
+ */
+package org.openecomp.datarouter.util;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.MultivaluedMap;
+import javax.ws.rs.core.Response.Status;
+
+import org.eclipse.jetty.util.security.Password;
+import org.openecomp.cl.api.Logger;
+import org.openecomp.cl.mdc.MdcContext;
+import org.openecomp.datarouter.logging.DataRouterMsgs;
+import org.openecomp.datarouter.policy.EntityEventPolicy;
+import org.openecomp.restclient.client.Headers;
+import org.openecomp.restclient.client.OperationResult;
+import org.openecomp.restclient.client.RestClient;
+import org.openecomp.restclient.enums.RestAuthenticationMode;
+import org.openecomp.restclient.rest.HttpUtil;
+import org.slf4j.MDC;
+
+import com.sun.jersey.core.util.MultivaluedMapImpl;
+
+public class SearchServiceAgent {
+
+ private Logger logger;
+
+ private RestClient searchClient = null;
+ private Map<String, String> indexSchemaMapping = new HashMap<String, String>();
+
+ private String searchUrl = null;
+ private String documentEndpoint = null;
+
+
+ /**
+ * Creates a new instance of the search service agent.
+ *
+ * @param certName - Certificate to use for talking to the Search Service.
+ * @param keystore - Keystore to use for talking to the Search Service.
+ * @param keystorePwd - Keystore password for talking to the Search Service.
+ * @param searchUrl - URL at which the Search Service can be reached.
+ * @param documentEndpoint - Endpoint for accessing document resources on the Search Service.
+ * @param logger - Logger to use for system logs.
+ */
+ public SearchServiceAgent(String certName,
+ String keystore,
+ String keystorePwd,
+ String searchUrl,
+ String documentEndpoint,
+ Logger logger) {
+
+ initialize(certName, keystore, keystorePwd, searchUrl, documentEndpoint, logger);
+ }
+
+
+ /**
+ * Performs all one-time initialization required for the search agent.
+ *
+ * @param certName - Certificate to use for talking to the Search Service.
+ * @param keystore - Keystore to use for talking to the Search Service.
+ * @param keystorePwd - Keystore password for talking to the Search Service.
+ * @param searchUrl - URL at which the Search Service can be reached.
+ * @param documentEndpoint - Endpoint for accessing document resources on the Search Service.
+ * @param logger - Logger to use for system logs.
+ */
+ private void initialize(String certName,
+ String keystore,
+ String keystorePwd,
+ String searchUrl,
+ String documentEndpoint,
+ Logger logger) {
+
+ // Create REST client for search service
+ searchClient = new RestClient()
+ .authenticationMode(RestAuthenticationMode.SSL_CERT)
+ .validateServerHostname(false)
+ .validateServerCertChain(true)
+ .clientCertFile(DataRouterConstants.DR_HOME_AUTH + certName)
+ .clientCertPassword(Password.deobfuscate(keystorePwd))
+ .trustStore(DataRouterConstants.DR_HOME_AUTH + keystore);
+
+ this.searchUrl = searchUrl;
+ this.documentEndpoint = documentEndpoint;
+
+ this.logger = logger;
+ }
+
+
+ /**
+ * Creates an index through the search db abstraction
+ *
+ * @param index - The name of the index to be created.
+ * @param schemaLocation - The name of the schema file for the index.
+ */
+ public void createSearchIndex(String index, String schemaLocation) {
+
+ // Create a mapping of the index name to schema location
+ indexSchemaMapping.put(index, schemaLocation);
+
+ // Now, create the index.
+ createIndex(index, schemaLocation);
+ }
+
+
+ /**
+ * This method performs the actual work of creating a search index.
+ *
+ * @param index - The name of the index to be created.
+ * @param schemaLocation - The name of the schema file for the index.
+ */
+ private void createIndex(String index, String schemaLocation) {
+
+ logger.debug("Creating search index, index name: = " + index + ", schemaLocation = " + schemaLocation);
+
+ MultivaluedMap<String, String> headers = new MultivaluedMapImpl();
+ headers.put("Accept", Arrays.asList("application/json"));
+ headers.put(Headers.FROM_APP_ID, Arrays.asList("DL"));
+ headers.put(Headers.TRANSACTION_ID, Arrays.asList(UUID.randomUUID().toString()));
+
+ String url = concatSubUri(searchUrl, index);
+ try {
+
+ OperationResult result = searchClient.put(url, loadFileData(schemaLocation), headers,
+ MediaType.APPLICATION_JSON_TYPE, null);
+
+ if (!HttpUtil.isHttpResponseClassSuccess(result.getResultCode())) {
+ logger.error(DataRouterMsgs.FAIL_TO_CREATE_SEARCH_INDEX, index, result.getFailureCause());
+ } else {
+ logger.info(DataRouterMsgs.SEARCH_INDEX_CREATE_SUCCESS, index);
+ }
+
+ } catch (Exception e) {
+ logger.error(DataRouterMsgs.FAIL_TO_CREATE_SEARCH_INDEX, index, e.getLocalizedMessage());
+ }
+ }
+
+
+ /**
+ * Retrieves a document from the search service.
+ *
+ * @param index - The index to retrieve the document from.
+ * @param id - The unique identifier for the document.
+ *
+ * @return - The REST response returned from the Search Service.
+ */
+ public OperationResult getDocument(String index, String id) {
+
+ Map<String, List<String>> headers = new HashMap<>();
+ headers.put(Headers.FROM_APP_ID, Arrays.asList("Data Router"));
+ headers.put(Headers.TRANSACTION_ID, Arrays.asList(MDC.get(MdcContext.MDC_REQUEST_ID)));
+
+ String url = concatSubUri(searchUrl, index, documentEndpoint, id);
+ return searchClient.get(url, headers, MediaType.APPLICATION_JSON_TYPE);
+ }
+
+
+ /**
+ * Creates or updates a document in the Search Service.
+ *
+ * @param index - The index to create or update the document in.
+ * @param id - The identifier for the document.
+ * @param payload - The document contents.
+ * @param headers - HTTP headers.
+ */
+ public void putDocument(String index, String id, String payload, Map<String, List<String>> headers) {
+
+ // Try to post the document to the search service.
+ OperationResult result = doDocumentPut(index, id, payload, headers);
+
+ // A 404 response from the Search Service may indicate that the index we are writing
+ // to does not actually exist. We will try creating it now.
+ if(result.getResultCode() == Status.NOT_FOUND.getStatusCode()) {
+
+ // Lookup the location of the schema that we want to create.
+ String indexSchemaLocation = indexSchemaMapping.get(index);
+ if(indexSchemaLocation != null) {
+
+ // Try creating the index now...
+ logger.info(DataRouterMsgs.CREATE_MISSING_INDEX, index);
+ createIndex(index, indexSchemaLocation);
+
+ // ...and retry the document post.
+ result = doDocumentPut(index, id, payload, headers);
+ }
+ }
+
+ if(!resultSuccessful(result)) {
+ logger.error(DataRouterMsgs.FAIL_TO_CREATE_UPDATE_DOC, index, result.getFailureCause());
+ }
+ }
+
+
+ /**
+ * This method does the actual work of submitting a document PUT request to the Search Service.
+ *
+ * @param index - The index to create or update the document in.
+ * @param id - The identifier for the document.
+ * @param payload - The document contents.
+ * @param headers - HTTP headers.
+ *
+ * @return - The HTTP response returned by the Search Service.
+ */
+ private OperationResult doDocumentPut(String index, String id, String payload, Map<String, List<String>> headers) {
+
+ String url = concatSubUri(searchUrl, index, documentEndpoint, id);
+ return searchClient.put(url, payload, headers, MediaType.APPLICATION_JSON_TYPE, MediaType.APPLICATION_JSON_TYPE);
+ }
+
+
+ /**
+ * Creates a document in the Search Service.
+ *
+ * @param index - The index to create the document in.
+ * @param payload - The document contents.
+ * @param headers - HTTP headers.
+ */
+ public void postDocument(String index, String payload, Map<String, List<String>> headers) {
+
+ // Try to post the document to the search service.
+ OperationResult result = doDocumentPost(index, payload, headers);
+
+ // A 404 response from the Search Service may indicate that the index we are writing
+ // to does not actually exist. We will try creating it now.
+ if(result.getResultCode() == Status.NOT_FOUND.getStatusCode()) {
+
+ // Lookup the location of the schema that we want to create.
+ String indexSchemaLocation = indexSchemaMapping.get(index);
+ if(indexSchemaLocation != null) {
+
+ // Try creating the index now...
+ logger.info(DataRouterMsgs.CREATE_MISSING_INDEX, index);
+ createIndex(index, indexSchemaLocation);
+
+ // ...and retry the document post.
+ result = doDocumentPost(index, payload, headers);
+ }
+ }
+
+ if(!resultSuccessful(result)) {
+ logger.error(DataRouterMsgs.FAIL_TO_CREATE_UPDATE_DOC, index, result.getFailureCause());
+ }
+ }
+
+
+ /**
+ * This method does the actual work of submitting a document PUT request to the Search Service.
+ *
+ * @param index - The index to create or update the document in.
+ * @param payload - The document contents.
+ * @param headers - HTTP headers.
+ *
+ * @return - The HTTP response returned by the Search Service.
+ */
+ private OperationResult doDocumentPost(String index, String payload, Map<String, List<String>> headers) {
+
+ String url = concatSubUri(searchUrl, index, documentEndpoint);
+ return searchClient.post(url, payload, headers, MediaType.APPLICATION_JSON_TYPE, MediaType.APPLICATION_JSON_TYPE);
+ }
+
+
+ /**
+ * Removes a document from the Search Service.
+ *
+ * @param index - The index to create the document in.
+ * @param id - The identifier for the document.
+ * @param payload - The document contents.
+ * @param headers - HTTP headers.
+ */
+ public void deleteDocument(String index, String documentId, Map<String, List<String>> headers) {
+
+ String url = concatSubUri(searchUrl, index, documentEndpoint, documentId);
+ searchClient.delete(url, headers, null);
+ }
+
+
+ /**
+ * Convenience method to load up all the data from a file into a string
+ *
+ * @param filename the filename to read from disk
+ * @return the data contained within the file
+ * @throws Exception
+ */
+ protected String loadFileData(String filename) throws Exception {
+ StringBuilder data = new StringBuilder();
+ try {
+ BufferedReader in = new BufferedReader(new InputStreamReader(
+ EntityEventPolicy.class.getClassLoader().getResourceAsStream("/" + filename),
+ StandardCharsets.UTF_8));
+ String line;
+
+ while ((line = in.readLine()) != null) {
+ data.append(line);
+ }
+ } catch (Exception e) {
+ throw new Exception("Failed to read from file = " + filename + ".", e);
+ }
+
+ return data.toString();
+ }
+
+
+ /**
+ * Helper utility to concatenate substrings of a URI together to form a proper URI.
+ *
+ * @param suburis the list of substrings to concatenate together
+ * @return the concatenated list of substrings
+ */
+ public static String concatSubUri(String... suburis) {
+ String finalUri = "";
+
+ for (String suburi : suburis) {
+
+ if (suburi != null) {
+ // Remove any leading / since we only want to append /
+ suburi = suburi.replaceFirst("^/*", "");
+
+ // Add a trailing / if one isn't already there
+ finalUri += suburi.endsWith("/") ? suburi : suburi + "/";
+ }
+ }
+
+ return finalUri;
+ }
+
+
+ /**
+ * Helper utility to check the response code of an HTTP response.
+ *
+ * @param aResult - The response that we want to check.
+ *
+ * @return - true if the response contains a success code,
+ * false otherwise.
+ */
+ private boolean resultSuccessful(OperationResult aResult) {
+
+ return (aResult.getResultCode() >= 200) && (aResult.getResultCode() < 300);
+ }
+}
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