2 * Copyright 2016-2017, Nokia Corporation
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package org.onap.vfc.nfvo.driver.vnfm.svnfm.msb.impl;
19 import java.io.BufferedInputStream;
21 import java.io.FileInputStream;
22 import java.io.FileNotFoundException;
23 import java.io.IOException;
24 import java.io.InputStream;
26 import org.slf4j.Logger;
27 import org.slf4j.LoggerFactory;
28 import org.json.JSONException;
29 import org.json.JSONObject;
30 import org.onap.msb.sdk.discovery.common.RouteException;
31 import org.onap.msb.sdk.discovery.entity.MicroServiceFullInfo;
32 import org.onap.msb.sdk.discovery.entity.MicroServiceInfo;
33 import org.onap.msb.sdk.discovery.entity.RouteResult;
34 import org.onap.msb.sdk.httpclient.msb.MSBServiceClient;
35 import org.onap.vfc.nfvo.driver.vnfm.svnfm.msb.inf.IMsbMgmr;
36 import org.springframework.stereotype.Component;
38 import com.google.gson.Gson;
41 public class MsbMgmrImpl implements IMsbMgmr {
42 private static final Logger logger = LoggerFactory.getLogger(MsbMgmrImpl.class);
44 private Gson gson = new Gson();
46 private String msb_ip;
51 public void register() {
53 String msbInfoJsonStr = readMsbInfoFromJsonFile();
54 JSONObject totalJsonObj = new JSONObject(msbInfoJsonStr);
55 JSONObject serverJsonObj = totalJsonObj.getJSONObject("defaultServer");
56 msb_ip = serverJsonObj.getString("host");
57 msb_port = serverJsonObj.getInt("port");
59 String vfcAdaptorInfoJsonStr = readVfcAdaptorInfoFromJsonFile();
60 MicroServiceInfo msinfo = gson.fromJson(vfcAdaptorInfoJsonStr, MicroServiceInfo.class);
62 MSBServiceClient msbClient = new MSBServiceClient(msb_ip, msb_port);
63 MicroServiceFullInfo microServiceInfo = msbClient.registerMicroServiceInfo(msinfo);
64 logger.info("Registered service response info is " + microServiceInfo.toString());
66 } catch (IOException e) {
67 logger.error("Failed to read vfcadaptor info! ", e);
68 } catch (RouteException e) {
69 logger.error("Failed to register nokia vnfm driver! ", e);
70 } catch (JSONException e) {
71 logger.error("Failed to retrieve json info! ", e);
76 private String readMsbInfoFromJsonFile() throws IOException {
77 String filePath = "/etc/conf/restclient.json";
78 String fileContent = getJsonStrFromFile(filePath);
83 private String readVfcAdaptorInfoFromJsonFile() throws IOException {
84 String filePath = "/etc/adapterInfo/vnfmadapterinfo.json";
85 String fileContent = getJsonStrFromFile(filePath);
90 public String getJsonStrFromFile(String filePath) throws IOException {
91 InputStream ins = null;
92 BufferedInputStream bins = null;
93 String fileContent = "";
94 String fileName = getAppRoot() + filePath;
97 ins = new FileInputStream(fileName);
98 bins = new BufferedInputStream(ins);
100 byte[] contentByte = new byte[ins.available()];
101 int num = bins.read(contentByte);
104 fileContent = new String(contentByte);
106 } catch(FileNotFoundException e) {
107 logger.error(fileName + "is not found!", e);
120 public void unregister() {
122 String jsonStr = readVfcAdaptorInfoFromJsonFile();
123 MicroServiceInfo msinfo = gson.fromJson(jsonStr, MicroServiceInfo.class);
125 MSBServiceClient msbClient = new MSBServiceClient(msb_ip, msb_port);
126 RouteResult routeResult = msbClient.cancelMicroServiceInfo(msinfo.getServiceName(), msinfo.getVersion());
127 logger.info("unregistered service response info is " + routeResult.toString());
129 } catch (IOException e) {
130 logger.error("Failed to read vfcadaptor info! ", e);
131 } catch (RouteException e) {
132 logger.error("Failed to register nokia vnfm driver! ", e);
136 public String getAppRoot() {
137 String appRoot = null;
138 appRoot = System.getProperty("catalina.base");
139 if(appRoot != null) {
140 appRoot = getCanonicalPath(appRoot);
145 private String getCanonicalPath(final String inPath) {
149 final File file = new File(inPath);
150 path = file.getCanonicalPath();
152 } catch(final IOException e) {
153 logger.error("file.getCanonicalPath() IOException:", e);