holmes-actions/src/main/java/org/onap/holmes/common/aai/AaiQuery4Ccvpn.java

   1 /**
   2  * Copyright 2018 ZTE Corporation.
   3  * <p>
   4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
   5  * in compliance with the License. You may obtain a copy of the License at
   6  * <p>
   7  * http://www.apache.org/licenses/LICENSE-2.0
   8  * <p>
   9  * Unless required by applicable law or agreed to in writing, software distributed under the License
  10  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
  11  * or implied. See the License for the specific language governing permissions and limitations under
  12  * the License.
  13  */
  14
  15 package org.onap.holmes.common.aai;
  16
  17
  18 import com.alibaba.fastjson.JSONArray;
  19 import com.alibaba.fastjson.JSONObject;
  20 import lombok.extern.slf4j.Slf4j;
  21 import org.onap.holmes.common.aai.config.AaiConfig;
  22 import org.onap.holmes.common.config.MicroServiceConfig;
  23 import org.onap.holmes.common.exception.CorrelationException;
  24
  25 import javax.ws.rs.client.Client;
  26 import javax.ws.rs.client.ClientBuilder;
  27 import javax.ws.rs.client.Entity;
  28 import javax.ws.rs.client.WebTarget;
  29 import javax.ws.rs.core.MultivaluedHashMap;
  30 import javax.ws.rs.core.MultivaluedMap;
  31 import javax.ws.rs.core.Response;
  32 import java.util.HashMap;
  33 import java.util.Map;
  34 import java.util.regex.Matcher;
  35 import java.util.regex.Pattern;
  36
  37 @Slf4j
  38 public class AaiQuery4Ccvpn {
  39
  40     private MultivaluedMap<String, Object> headers;
  41
  42     public AaiQuery4Ccvpn() {
  43         headers = new MultivaluedHashMap<>();
  44         headers.add("X-TransactionId", AaiConfig.X_TRANSACTION_ID);
  45         headers.add("X-FromAppId", AaiConfig.X_FROMAPP_ID);
  46         headers.add("Authorization", AaiConfig.getAuthenticationCredentials());
  47         headers.add("Accept", "application/json");
  48     }
  49
  50     public String getLogicLink(String networkId, String pnfName, String ifName, String status) {
  51         Map<String, String> params = new HashMap<>();
  52         params.put("networkId", networkId);
  53         params.put("pnfName", pnfName);
  54         params.put("ifName", ifName);
  55         params.put("status", status);
  56         Response response = get(getHostAddr(), getPath(AaiConfig.MsbConsts.AAI_LINK_UPDATE, params));
  57         if (response.getStatusInfo().getFamily() != Response.Status.Family.SUCCESSFUL) {
  58             throw new RuntimeException("Failed to connect to AAI. Cause: "
  59                     + response.getStatusInfo().getReasonPhrase());
  60         }
  61
  62         JSONObject linkInfo = getInfo(JSONObject.toJSONString(response.getEntity()), "p-interface", "logical-link");
  63         return extractValueFromJsonArray(linkInfo.getJSONArray("relationship-data"), "logical-link.link-name");
  64     }
  65
  66     public JSONArray getServiceInstances(String networkId, String pnfName, String ifName, String status) {
  67         try {
  68             JSONObject vpnBindingInfo = getVpnBindingInfo(networkId, pnfName, ifName, status);
  69             String vpnBindingId = extractValueFromJsonArray(vpnBindingInfo.getJSONArray("relationship-data"),
  70                     "vpn-binding.vpn-id");
  71             JSONObject connectivityInfo = getConnectivityInfo(vpnBindingId);
  72             String connectivityId = extractValueFromJsonArray(connectivityInfo.getJSONArray("relationship-data"),
  73                     "connectivity. connectivity-id");
  74             JSONObject serviceInstanceInfo = getServiceInstanceByConn(connectivityId);
  75             String serviceInstancePath = serviceInstanceInfo.getString("related-link");
  76             serviceInstancePath = serviceInstancePath.substring(0, serviceInstancePath.lastIndexOf('/'));
  77
  78             Response response = get(getHostAddr(), getPath(serviceInstancePath));
  79             if (response.getStatusInfo().getFamily() != Response.Status.Family.SUCCESSFUL) {
  80                 throw new RuntimeException("Failed to connect to AAI. Cause: "
  81                         + response.getStatusInfo().getReasonPhrase());
  82             }
  83             return getInstances(JSONObject.toJSONString(response.getEntity()));
  84         } catch (CorrelationException e) {
  85             throw new RuntimeException(e.getMessage(), e);
  86         }
  87     }
  88
  89     public void updateTerminalPointStatus(String networkId, String pnfName, String ifName,
  90                                           Map<String, Object> body) throws CorrelationException {
  91         Map<String, String> params = new HashMap<>();
  92         params.put("networkId", networkId);
  93         params.put("pnfName", pnfName);
  94         params.put("ifName", ifName);
  95         Response response = patch(getHostAddr(), getPath(AaiConfig.MsbConsts.AAI_TP_UPDATE, params), body);
  96         if (response.getStatusInfo().getFamily() != Response.Status.Family.SUCCESSFUL) {
  97             throw new CorrelationException("Failed to connecto to AAI. Cause: "
  98                     + response.getStatusInfo().getReasonPhrase());
  99         }
 100     }
 101
 102     public void updateLogicLinkStatus(String linkName, Map<String, Object> body) throws CorrelationException {
 103         Response response = patch(getHostAddr(),
 104                 getPath(AaiConfig.MsbConsts.AAI_TP_UPDATE, "linkName", linkName), body);
 105         if (response.getStatusInfo().getFamily() != Response.Status.Family.SUCCESSFUL) {
 106             throw new CorrelationException("Failed to connecto to AAI. Cause: "
 107                     + response.getStatusInfo().getReasonPhrase());
 108         }
 109     }
 110
 111     public JSONObject getVpnBindingInfo(String networkId, String pnfName,
 112                                         String ifName, String status) throws CorrelationException {
 113         Map<String, String> params = new HashMap();
 114         params.put("networkId", networkId);
 115         params.put("pnfName", pnfName);
 116         params.put("ifName", ifName);
 117         params.put("status", status);
 118         Response response = get(getHostAddr(), getPath(AaiConfig.MsbConsts.AAI_VPN_ADDR, params));
 119         if (response.getStatusInfo().getFamily() != Response.Status.Family.SUCCESSFUL) {
 120             throw new CorrelationException("Failed to connecto to AAI. Cause: "
 121                     + response.getStatusInfo().getReasonPhrase());
 122         }
 123         return getInfo(JSONObject.toJSONString(response.getEntity()), "p-interface", "vpn-binding");
 124     }
 125
 126     public JSONObject getConnectivityInfo(String vpnId) throws CorrelationException {
 127         Response response = get(getHostAddr(), getPath(AaiConfig.MsbConsts.AAI_CONN_ADDR, "vpnId", vpnId));
 128         if (response.getStatusInfo().getFamily() != Response.Status.Family.SUCCESSFUL) {
 129             throw new CorrelationException("Failed to connect to AAI. Cause: "
 130                     + response.getStatusInfo().getReasonPhrase());
 131         }
 132         return getInfo(JSONObject.toJSONString(response.getEntity()), "vpn-binding", "connectivity");
 133     }
 134
 135     public JSONObject getServiceInstanceByConn(String connectivityId) throws CorrelationException {
 136         Response response = get(getHostAddr(), getPath(AaiConfig.MsbConsts.AAI_SERVICE_INSTANCE_ADDR_4_CCVPN,
 137                 "connectivityId", connectivityId));
 138         if (response.getStatusInfo().getFamily() != Response.Status.Family.SUCCESSFUL) {
 139             throw new CorrelationException("Failed to connect to AAI. Cause: "
 140                     + response.getStatusInfo().getReasonPhrase());
 141         }
 142         return getInfo(JSONObject.toJSONString(response.getEntity()), "connectivity", "service-instance");
 143     }
 144
 145     public JSONArray getServiceInstances(String globalCustomerId, String serviceType) throws CorrelationException {
 146         Map<String, String> params = new HashMap();
 147         params.put("global-customer-id", globalCustomerId);
 148         params.put("service-type", serviceType);
 149         Response response = get(getHostAddr(), getPath(AaiConfig.MsbConsts.AAI_SERVICE_INSTANCES_ADDR_4_CCVPN, params));
 150         if (response.getStatusInfo().getFamily() != Response.Status.Family.SUCCESSFUL) {
 151             throw new CorrelationException("Failed to connect to AAI. Cause: "
 152                     + response.getStatusInfo().getReasonPhrase());
 153         }
 154         return getInstances(JSONObject.toJSONString(response.getEntity()));
 155     }
 156
 157     private String getPath(String urlTemplate, Map<String, String> pathParams) {
 158         String url = urlTemplate;
 159         for (String key : pathParams.keySet()) {
 160             url = url.replaceAll("\\{" + key + "\\}", pathParams.get(key));
 161         }
 162         return url;
 163     }
 164
 165     private String getPath(String urlTemplate, String paramName, String paramValue) {
 166         return urlTemplate.replaceAll("\\{" + paramName + "\\}", paramValue);
 167     }
 168
 169     private String getPath(String serviceInstancePath) {
 170         Pattern pattern = Pattern.compile("/aai/(v\\d+)/([A-Za-z0-9\\-]+[^/])(/*.*)");
 171         Matcher matcher = pattern.matcher(serviceInstancePath);
 172         String ret = "/api";
 173         if (matcher.find()) {
 174             ret += "/aai-" + matcher.group(2) + "/" + matcher.group(1) + matcher.group(3);
 175         }
 176
 177         return ret;
 178     }
 179
 180     public Response get(String host, String path) {
 181         Client client = ClientBuilder.newClient();
 182         WebTarget target = client.target(host).path(path);
 183         return target.request().headers(getAaiHeaders()).get();
 184     }
 185
 186     public Response patch(String host, String path, Map<String, Object> body) {
 187         Client client = ClientBuilder.newClient();
 188         WebTarget target = client.target(host).path(path);
 189         return target.request().headers(getAaiHeaders()).method("PATCH", Entity.json(body));
 190     }
 191
 192     private JSONObject getInfo(String response, String pField, String field) {
 193         JSONArray results = extractJsonArray(JSONObject.parseObject(response), "results");
 194         JSONObject pInterface = extractJsonObject(results.getJSONObject(0), pField);
 195         JSONObject relationshipList = extractJsonObject(pInterface, "relationship-list");
 196         JSONArray relationShip = extractJsonArray(relationshipList, "relationship");
 197         if (relationShip != null) {
 198             for (int i = 0; i < relationShip.size(); ++i) {
 199                 final JSONObject object = relationShip.getJSONObject(i);
 200                 if (object.getString("related-to").equals(field)) {
 201                     return object;
 202                 }
 203             }
 204         }
 205         return null;
 206     }
 207
 208     private JSONArray getInstances(String response) {
 209         JSONArray results = extractJsonArray(JSONObject.parseObject(response), "results");
 210         JSONObject pInterface = extractJsonObject(results.getJSONObject(0), "service-subscription");
 211         JSONObject serviceInstances = extractJsonObject(pInterface, "service-instances");
 212         JSONArray instance = extractJsonArray(serviceInstances, "service-instance");
 213         return instance;
 214     }
 215
 216     private JSONObject extractJsonObject(JSONObject obj, String key) {
 217         if (obj != null && key != null && obj.containsKey(key)) {
 218             return obj.getJSONObject(key);
 219         }
 220         return null;
 221     }
 222
 223     private JSONArray extractJsonArray(JSONObject obj, String key) {
 224         if (obj != null && key != null && obj.containsKey(key)) {
 225             return obj.getJSONArray(key);
 226         }
 227         return null;
 228     }
 229
 230     private MultivaluedMap getAaiHeaders() {
 231         return headers;
 232     }
 233
 234     private String getHostAddr() {
 235         String[] msbInfo = MicroServiceConfig.getMsbServerAddrWithHttpPrefix().split(":");
 236         StringBuilder sb = new StringBuilder("http://");
 237         sb.append(msbInfo[0]).append(msbInfo[1]);
 238         return sb.toString();
 239     }
 240
 241     private String extractValueFromJsonArray(JSONArray relationshipData, String keyName) {
 242         for (int i = 0; i < relationshipData.size(); ++i) {
 243             JSONObject item = relationshipData.getJSONObject(i);
 244             if (item.getString("relationship-key").equals(keyName)) {
 245                 return item.getString("relationship-value");
 246             }
 247         }
 248         return null;
 249     }
 250 }