* ============LICENSE_START=======================================================
* aai
* ================================================================================
- * Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
- * Modifications Copyright (C) 2019 Nordix Foundation.
+ * Copyright (C) 2017-2020 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2019-2020 Nordix Foundation.
* Modifications Copyright (C) 2019 Samsung Electronics Co., Ltd.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
package org.onap.policy.aai;
-import com.google.gson.JsonSyntaxException;
-
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
-
-import org.onap.policy.aai.util.Serialization;
+import java.util.stream.Collectors;
+import org.apache.commons.lang3.tuple.Pair;
+import org.json.JSONArray;
+import org.json.JSONObject;
import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
import org.onap.policy.common.endpoints.utils.NetLoggerUtil;
import org.onap.policy.common.endpoints.utils.NetLoggerUtil.EventType;
+import org.onap.policy.common.utils.coder.CoderException;
+import org.onap.policy.common.utils.coder.StandardCoder;
import org.onap.policy.rest.RestManager;
-import org.onap.policy.rest.RestManager.Pair;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
*/
public final class AaiManager {
+ // TODO remove this class
+
/** The Constant logger. */
private static final Logger logger = LoggerFactory.getLogger(AaiManager.class);
- /** The rest manager. */
+ private static final String APPLICATION_JSON = "application/json";
+
+ private static final StandardCoder CODER = new StandardCoder();
+
// The REST manager used for processing REST calls for this AAI manager
private final RestManager restManager;
+ /** custom query and other AAI resource URLs. */
+ private static final String CQ_URL = "/aai/v16/query?format=resource";
+ private static final String TENANT_URL = "/aai/v16/search/nodes-query?"
+ + "search-node-type=vserver&filter=vserver-name:EQUALS:";
+ private static final String PREFIX = "/aai/v16";
+ private static final String PNF_URL = PREFIX + "/network/pnfs/pnf/";
+ private static final String AAI_DEPTH_SUFFIX = "?depth=0";
+
/**
* Constructor, create the AAI manager with the specified REST manager.
*
}
/**
- * Post a query to A&AI.
+ * Creates the custom query payload from a tenant query response.
*
- * @param url the A&AI URL
- * @param username the user name for authentication
- * @param password the password for authentication
- * @param request the request to issue towards A&AI
- * @param requestId the UUID of the request
- * @return the response from A&AI
+ * @param getResponse response from the tenant query
+ * @return String Payload
*/
- public AaiNqResponse postQuery(String url, String username, String password, AaiNqRequest request, UUID requestId) {
-
- final Map<String, String> headers = createHeaders(requestId);
-
- url = url + "/aai/search/named-query";
+ private String createCustomQueryPayload(String getResponse) {
- logger.debug("RestManager.post before");
- String requestJson = Serialization.gsonPretty.toJson(request);
- NetLoggerUtil.log(EventType.OUT, CommInfrastructure.REST, url, requestJson);
- Pair<Integer, String> httpDetails =
- restManager.post(url, username, password, headers, "application/json", requestJson);
- logger.debug("RestManager.post after");
-
- if (httpDetails == null) {
- logger.info("AAI POST Null Response to {}", url);
+ if (getResponse == null) {
return null;
- }
-
- int httpResponseCode = httpDetails.first;
-
- logger.info(url);
- logger.info("{}", httpResponseCode);
- logger.info(httpDetails.second);
+ } else {
+ JSONObject responseObj = new JSONObject(getResponse);
+ JSONArray resultsArray;
+ if (responseObj.has("result-data")) {
+ resultsArray = (JSONArray) responseObj.get("result-data");
+ } else {
+ return null;
+ }
+ String resourceLink = resultsArray.getJSONObject(0).getString("resource-link");
+ String start = resourceLink.replace(PREFIX, "");
+ String query = "query/closed-loop";
+ JSONObject payload = new JSONObject();
+ payload.put("start", start);
+ payload.put("query", query);
+ return payload.toString();
- if (httpDetails.second != null) {
- return composeResponse(httpDetails, url, AaiNqResponse.class);
}
- return null;
}
/**
- * Perform a GET request for a particular virtual server towards A&AI.
+ * This method is used to get the information for custom query.
*
- * @param urlGet the A&AI URL
- * @param username the user name for authentication
- * @param password the password for authentication
- * @param requestId the UUID of the request
- * @param key the key of the virtual server
- * @return the response for the virtual server from A&AI
+ * @param url url of the get method
+ * @param username Aai username
+ * @param password Aai password
+ * @param requestId request ID
+ * @param vserver Id of the vserver
+ * @return String
*/
- public AaiGetVserverResponse getQueryByVserverName(String urlGet, String username, String password, UUID requestId,
- String key) {
- return getQuery(urlGet, username, password, requestId, key, AaiGetVserverResponse.class);
- }
+ private String getCustomQueryRequestPayload(String url, String username, String password, UUID requestId,
+ String vserver) {
- /**
- * Perform a GET request for a particular VNF by VNF ID towards A&AI.
- *
- * @param urlGet the A&AI URL
- * @param username the user name for authentication
- * @param password the password for authentication
- * @param requestId the UUID of the request
- * @param key the ID of the VNF
- * @return the response for the virtual server from A&AI
- */
- public AaiGetVnfResponse getQueryByVnfId(String urlGet, String username, String password, UUID requestId,
- String key) {
- return getQuery(urlGet, username, password, requestId, key, AaiGetVnfResponse.class);
+ String urlGet = url + TENANT_URL;
+
+ String getResponse = getStringQuery(urlGet, username, password, requestId, vserver);
+ return createCustomQueryPayload(getResponse);
}
/**
- * Perform a GET request for a particular VNF by VNF name towards A&AI.
+ * Calls Aai and returns a custom query response for a vserver.
*
- * @param urlGet the A&AI URL
- * @param username the user name for authentication
- * @param password the password for authentication
- * @param requestId the UUID of the request
- * @param key the name of the VNF
- * @return the response for the virtual server from A&AI
+ * @param url Aai url
+ * @param username Aai Username
+ * @param password Aai Password
+ * @param requestId request ID
+ * @param vserver Vserver
+ * @return AaiCqResponse response from Aai for custom query
*/
- public AaiGetVnfResponse getQueryByVnfName(String urlGet, String username, String password, UUID requestId,
- String key) {
- return getQuery(urlGet, username, password, requestId, key, AaiGetVnfResponse.class);
+ public AaiCqResponse getCustomQueryResponse(String url, String username, String password, UUID requestId,
+ String vserver) {
+
+ final Map<String, String> headers = createHeaders(requestId);
+
+ logger.debug("RestManager.put before");
+ String requestJson = getCustomQueryRequestPayload(url, username, password, requestId, vserver);
+ NetLoggerUtil.log(EventType.OUT, CommInfrastructure.REST, url, requestJson);
+
+ url = url + CQ_URL;
+
+ Pair<Integer, String> httpDetails = this.restManager.put(url, username, password, headers, APPLICATION_JSON,
+ requestJson);
+ logger.debug("RestManager.put after");
+
+ if (httpDetails == null) {
+ NetLoggerUtil.log(EventType.IN, CommInfrastructure.REST, url, "AAI POST Null Response");
+ logger.debug("AAI POST Null Response to {}", url);
+ return null;
+ }
+
+ int httpResponseCode = httpDetails.getLeft();
+
+ NetLoggerUtil.log(EventType.IN, CommInfrastructure.REST, url, "Response code: " + httpResponseCode);
+ NetLoggerUtil.getNetworkLogger().debug(httpDetails.getRight());
+
+ logger.debug(url);
+ logger.debug("{}", httpResponseCode);
+ logger.debug(httpDetails.getRight());
+
+ if (httpDetails.getRight() != null) {
+ return new AaiCqResponse(httpDetails.getRight());
+ }
+ return null;
}
/**
- * Perform a GET query for a particular entity towards A&AI.
+ * Returns the string response of a get query.
*
- * @param <T> the generic type for the response
- * @param urlGet the A&AI URL
- * @param username the user name for authentication
- * @param password the password for authentication
- * @param requestId the UUID of the request
- * @param key the name of the VNF
- * @param classOfT the class of the response to return
- * @return the response for the virtual server from A&AI
+ * @param url Aai URL
+ * @param username Aai Username
+ * @param password Aai Password
+ * @param requestId AaiRequestId
+ * @param key Aai Key
+ * @return String returns the string from the get query
*/
- private <T> T getQuery(final String url, final String username, final String password, final UUID requestId,
- final String key, final Class<T> classOfResponse) {
+ private String getStringQuery(final String url, final String username, final String password, final UUID requestId,
+ final String key) {
Map<String, String> headers = createHeaders(requestId);
NetLoggerUtil.getNetworkLogger().info("[OUT|{}|{}|]", CommInfrastructure.REST, urlGet);
Pair<Integer, String> httpDetailsGet = restManager.get(urlGet, username, password, headers);
if (httpDetailsGet == null) {
- logger.info("AAI GET Null Response to {}", urlGet);
+ NetLoggerUtil.log(EventType.IN, CommInfrastructure.REST, url, "AAI POST Null Response");
+ logger.debug("AAI GET Null Response to {}", urlGet);
return null;
}
- int httpResponseCode = httpDetailsGet.first;
+ int httpResponseCode = httpDetailsGet.getLeft();
- logger.info(urlGet);
- logger.info("{}", httpResponseCode);
- logger.info(httpDetailsGet.second);
+ NetLoggerUtil.log(EventType.IN, CommInfrastructure.REST, url, "Response code: " + httpResponseCode);
+ NetLoggerUtil.getNetworkLogger().debug(httpDetailsGet.getRight());
- if (httpResponseCode == 200) {
- T responseGet = composeResponse(httpDetailsGet, urlGet, classOfResponse);
- if (responseGet != null) {
- return responseGet;
- }
+ logger.debug(urlGet);
+ logger.debug("{}", httpResponseCode);
+ logger.debug(httpDetailsGet.getRight());
+
+ if (httpResponseCode == 200 && httpDetailsGet.getRight() != null) {
+ return httpDetailsGet.getRight();
}
try {
Thread.sleep(1000);
headers.put("X-FromAppId", "POLICY");
headers.put("X-TransactionId", requestId.toString());
- headers.put("Accept", "application/json");
+ headers.put("Accept", APPLICATION_JSON);
return headers;
}
/**
- * This method uses Google's GSON to create a response object from a JSON string.
+ * Perform a GET request for a particular PNF by PNF ID towards A&AI.
*
- * @param <T> the generic type
- * @param httpDetails the HTTP response
- * @param url the URL from which the response came
- * @param classOfResponse The response class
- * @return an instance of the response class
- * @throws JsonSyntaxException on GSON errors instantiating the response
+ * @param url the A&AI URL
+ * @param username the user name for authentication
+ * @param password the password for authentication
+ * @param requestId the UUID of the request
+ * @param pnfName the AAI unique identifier for PNF object
+ * @return HashMap of PNF properties
*/
- private <T> T composeResponse(final Pair<Integer, String> httpDetails, final String url,
- final Class<T> classOfResponse) {
+ public Map<String, String> getPnf(String url, String username, String password, UUID requestId, String pnfName) {
+ String urlGet;
+ try {
+ urlGet = url + PNF_URL;
+ pnfName = URLEncoder.encode(pnfName, StandardCharsets.UTF_8.toString()) + AAI_DEPTH_SUFFIX;
+ } catch (UnsupportedEncodingException e) {
+ logger.error("Failed to encode the pnfName: {} using UTF-8", pnfName, e);
+ return null;
+ }
+ String responseGet = getStringQuery(urlGet, username, password, requestId, pnfName);
+ if (responseGet == null) {
+ logger.error("Null response from AAI for the url: {}.", urlGet);
+ return null;
+ }
try {
- T response = Serialization.gsonPretty.fromJson(httpDetails.second, classOfResponse);
- NetLoggerUtil.log(EventType.IN, CommInfrastructure.REST, url, httpDetails.second);
- return response;
- } catch (JsonSyntaxException e) {
- logger.error("postQuery threw: ", e);
+ @SuppressWarnings("unchecked")
+ Map<String, String> pnfParams = CODER.decode(responseGet, HashMap.class);
+ // Map to AAI node.attribute notation
+ return pnfParams.entrySet().stream()
+ .collect(Collectors.toMap(e -> "pnf." + e.getKey(), Map.Entry::getValue));
+ } catch (CoderException e) {
+ logger.error("Failed to fetch PNF from AAI", e);
return null;
}
}