/**
* Copyright 2018 ZTE Corporation.
*
* 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.
*/
package org.onap.holmes.common.aai;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import org.onap.holmes.common.aai.config.AaiConfig;
import org.onap.holmes.common.config.MicroServiceConfig;
import org.onap.holmes.common.exception.CorrelationException;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.Entity;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.MultivaluedHashMap;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.Response;
import java.util.HashMap;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class AaiQuery4Ccvpn {
private MultivaluedMap headers;
static public AaiQuery4Ccvpn newInstance() {
return new AaiQuery4Ccvpn();
}
private AaiQuery4Ccvpn() {
headers = new MultivaluedHashMap<>();
headers.add("X-TransactionId", AaiConfig.X_TRANSACTION_ID);
headers.add("X-FromAppId", AaiConfig.X_FROMAPP_ID);
headers.add("Authorization", AaiConfig.getAuthenticationCredentials());
headers.add("Accept", "application/json");
}
/**
* Query the logic link information for AAI. This method is based on the API:
* https://:/aai/v14/network/network-resources/network-resource/{networkId}/pnfs/pnf/{pnfName}/p-interfaces?interface-name={ifName}&operational-status={status}
* provided by AAI.
*
* @param networkId
* @param pnfName
* @param ifName
* @param status
* @return the ID of the logic link
*/
public String getLogicLink(String networkId, String pnfName, String ifName, String status) {
Map params = new HashMap<>();
params.put("networkId", networkId);
params.put("pnfName", pnfName);
params.put("ifName", ifName);
Response response = get(getHostAddr(), getPath(AaiConfig.MsbConsts.AAI_LINK_QUERY, params)
+ (status == null ? "" : String.format("&operational-status=%s", status)));
if (response.getStatusInfo().getFamily() != Response.Status.Family.SUCCESSFUL) {
throw new RuntimeException("Failed to connect to AAI. Cause: "
+ response.getStatusInfo().getReasonPhrase());
}
JSONObject linkInfo = getInfo(JSONObject.toJSONString(response.getEntity()), "p-interface", "logical-link");
return extractValueFromJsonArray(linkInfo.getJSONArray("relationship-data"), "logical-link.link-name");
}
/**
* Query all the instances related to a terminal point. This method is mainly based on the API:
* https://:/aai/v14/network/connectivities?connectivity-id={connectivityId}
* and
* https://:/aai/v14/business/customers/customer/{global-customer-id}/service-subscriptions/service-subscription/{service-type}
* provided by AAI. The path for getting the required instance information is: p-interface → vpn-vpnbinding → connectivity → service instance
*
* @param networkId
* @param pnfName
* @param ifName
* @param status
* @return all related service instances in JSONArray format
*/
public JSONArray getServiceInstances(String networkId, String pnfName, String ifName, String status) {
try {
JSONObject vpnBindingInfo = getVpnBindingInfo(networkId, pnfName, ifName, status);
String vpnBindingId = extractValueFromJsonArray(vpnBindingInfo.getJSONArray("relationship-data"),
"vpn-binding.vpn-id");
JSONObject connectivityInfo = getConnectivityInfo(vpnBindingId);
String connectivityId = extractValueFromJsonArray(connectivityInfo.getJSONArray("relationship-data"),
"connectivity. connectivity-id");
JSONObject serviceInstanceInfo = getServiceInstanceByConn(connectivityId);
String serviceInstancePath = serviceInstanceInfo.getString("related-link");
serviceInstancePath = serviceInstancePath.substring(0, serviceInstancePath.lastIndexOf('/'));
String[] params = new String[2];
Pattern pattern = Pattern.compile("/aai/v\\d+/business/customers/customer/(.+)/service-subscriptions/service-subscription/(.+)");
Matcher matcher = pattern.matcher(serviceInstancePath);
if (matcher.find()) {
params[0] = matcher.group(1);
params[1] = matcher.group(2);
}
Response response = get(getHostAddr(), getPath(serviceInstancePath));
if (response.getStatusInfo().getFamily() != Response.Status.Family.SUCCESSFUL) {
throw new RuntimeException("Failed to connect to AAI. Cause: "
+ response.getStatusInfo().getReasonPhrase());
}
JSONArray instances = getInstances(JSONObject.toJSONString(response.getEntity()));
for (int i = 0; i < instances.size(); ++i) {
JSONObject instance = instances.getJSONObject(i);
Response res = get(getHostAddr(), serviceInstancePath + "/service-instances?service-instance-id="
+ instance.getString("service-instance-id"));
if (res.getStatusInfo().getFamily() != Response.Status.Family.SUCCESSFUL) {
throw new RuntimeException("Failed to connect to AAI. Cause: "
+ response.getStatusInfo().getReasonPhrase());
}
String inputParams = JSONObject.parseObject(response.readEntity(String.class)).getString("input-parameters");
instance.put("input-parameters", inputParams);
instance.put("globalSubscriberId", params[0]);
instance.put("serviceType", params[1]);
}
return instances;
} catch (CorrelationException e) {
throw new RuntimeException(e.getMessage(), e);
}
}
public void updateTerminalPointStatus(String networkId, String pnfName, String ifName,
Map body) throws CorrelationException {
Map params = new HashMap<>();
params.put("networkId", networkId);
params.put("pnfName", pnfName);
params.put("ifName", ifName);
Response response = patch(getHostAddr(), getPath(AaiConfig.MsbConsts.AAI_TP_UPDATE, params), body);
if (response.getStatusInfo().getFamily() != Response.Status.Family.SUCCESSFUL) {
throw new CorrelationException("Failed to connecto to AAI. Cause: "
+ response.getStatusInfo().getReasonPhrase());
}
}
public void updateLogicLinkStatus(String linkName, Map body) throws CorrelationException {
Response response = patch(getHostAddr(),
getPath(AaiConfig.MsbConsts.AAI_TP_UPDATE, "linkName", linkName), body);
if (response.getStatusInfo().getFamily() != Response.Status.Family.SUCCESSFUL) {
throw new CorrelationException("Failed to connecto to AAI. Cause: "
+ response.getStatusInfo().getReasonPhrase());
}
}
private JSONObject getVpnBindingInfo(String networkId, String pnfName,
String ifName, String status) throws CorrelationException {
Map params = new HashMap();
params.put("networkId", networkId);
params.put("pnfName", pnfName);
params.put("ifName", ifName);
params.put("status", status);
Response response = get(getHostAddr(), getPath(AaiConfig.MsbConsts.AAI_VPN_ADDR, params));
if (response.getStatusInfo().getFamily() != Response.Status.Family.SUCCESSFUL) {
throw new CorrelationException("Failed to connecto to AAI. Cause: "
+ response.getStatusInfo().getReasonPhrase());
}
return getInfo(JSONObject.toJSONString(response.getEntity()), "p-interface", "vpn-binding");
}
private JSONObject getConnectivityInfo(String vpnId) throws CorrelationException {
Response response = get(getHostAddr(), getPath(AaiConfig.MsbConsts.AAI_CONN_ADDR, "vpnId", vpnId));
if (response.getStatusInfo().getFamily() != Response.Status.Family.SUCCESSFUL) {
throw new CorrelationException("Failed to connect to AAI. Cause: "
+ response.getStatusInfo().getReasonPhrase());
}
return getInfo(JSONObject.toJSONString(response.getEntity()), "vpn-binding", "connectivity");
}
private JSONObject getServiceInstanceByConn(String connectivityId) throws CorrelationException {
Response response = get(getHostAddr(), getPath(AaiConfig.MsbConsts.AAI_SERVICE_INSTANCE_ADDR_4_CCVPN,
"connectivityId", connectivityId));
if (response.getStatusInfo().getFamily() != Response.Status.Family.SUCCESSFUL) {
throw new CorrelationException("Failed to connect to AAI. Cause: "
+ response.getStatusInfo().getReasonPhrase());
}
return getInfo(JSONObject.toJSONString(response.getEntity()), "connectivity", "service-instance");
}
private JSONArray getServiceInstances(String globalCustomerId, String serviceType) throws CorrelationException {
Map params = new HashMap();
params.put("global-customer-id", globalCustomerId);
params.put("service-type", serviceType);
Response response = get(getHostAddr(), getPath(AaiConfig.MsbConsts.AAI_SERVICE_INSTANCES_ADDR_4_CCVPN, params));
if (response.getStatusInfo().getFamily() != Response.Status.Family.SUCCESSFUL) {
throw new CorrelationException("Failed to connect to AAI. Cause: "
+ response.getStatusInfo().getReasonPhrase());
}
return getInstances(JSONObject.toJSONString(response.getEntity()));
}
private String getPath(String urlTemplate, Map pathParams) {
String url = urlTemplate;
for (String key : pathParams.keySet()) {
url = url.replaceAll("\\{" + key + "\\}", pathParams.get(key));
}
return url;
}
private String getPath(String urlTemplate, String paramName, String paramValue) {
return urlTemplate.replaceAll("\\{" + paramName + "\\}", paramValue);
}
private String getPath(String serviceInstancePath) {
Pattern pattern = Pattern.compile("/aai/(v\\d+)/([A-Za-z0-9\\-]+[^/])(/*.*)");
Matcher matcher = pattern.matcher(serviceInstancePath);
String ret = "/api";
if (matcher.find()) {
ret += "/aai-" + matcher.group(2) + "/" + matcher.group(1) + matcher.group(3);
}
return ret;
}
private Response get(String host, String path) {
Client client = ClientBuilder.newClient();
WebTarget target = client.target(host).path(path);
return target.request().headers(getAaiHeaders()).get();
}
private Response patch(String host, String path, Map body) {
Client client = ClientBuilder.newClient();
WebTarget target = client.target(host).path(path);
return target.request().headers(getAaiHeaders()).method("PATCH", Entity.json(body));
}
private JSONObject getInfo(String response, String pField, String field) {
JSONArray results = extractJsonArray(JSONObject.parseObject(response), "results");
JSONObject pInterface = extractJsonObject(results.getJSONObject(0), pField);
JSONObject relationshipList = extractJsonObject(pInterface, "relationship-list");
JSONArray relationShip = extractJsonArray(relationshipList, "relationship");
if (relationShip != null) {
for (int i = 0; i < relationShip.size(); ++i) {
final JSONObject object = relationShip.getJSONObject(i);
if (object.getString("related-to").equals(field)) {
return object;
}
}
}
return null;
}
private JSONArray getInstances(String response) {
JSONArray results = extractJsonArray(JSONObject.parseObject(response), "results");
JSONObject pInterface = extractJsonObject(results.getJSONObject(0), "service-subscription");
JSONObject serviceInstances = extractJsonObject(pInterface, "service-instances");
JSONArray instance = extractJsonArray(serviceInstances, "service-instance");
return instance;
}
private JSONObject extractJsonObject(JSONObject obj, String key) {
if (obj != null && key != null && obj.containsKey(key)) {
return obj.getJSONObject(key);
}
return null;
}
private JSONArray extractJsonArray(JSONObject obj, String key) {
if (obj != null && key != null && obj.containsKey(key)) {
return obj.getJSONArray(key);
}
return null;
}
private MultivaluedMap getAaiHeaders() {
return headers;
}
private String getHostAddr() {
String[] msbInfo = MicroServiceConfig.getMsbServerAddrWithHttpPrefix().split(":");
StringBuilder sb = new StringBuilder("http://");
sb.append(msbInfo[0]).append(msbInfo[1]);
return sb.toString();
}
private String extractValueFromJsonArray(JSONArray relationshipData, String keyName) {
for (int i = 0; i < relationshipData.size(); ++i) {
JSONObject item = relationshipData.getJSONObject(i);
if (item.getString("relationship-key").equals(keyName)) {
return item.getString("relationship-value");
}
}
return null;
}
}