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/*
* ============LICENSE_START=======================================================
* ONAP : DCAE
* ================================================================================
* Copyright 2018 TechMahindra
*=================================================================================
* 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=========================================================
*/
package org.onap.universalvesadapter.service;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.codec.binary.Hex;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.CommandLineRunner;
import org.springframework.core.Ordered;
import org.springframework.stereotype.Component;
//AdapterInitializer
@Component
public class VESAdapterInitializer implements CommandLineRunner, Ordered {
private static final Logger LOGGER = LoggerFactory.getLogger(VESAdapterInitializer.class);
@Value("${spring.datasource.url}")
String dBurl;
@Value("${spring.datasource.username}")
String user;
@Value("${spring.datasource.password}")
String pwd;
private static Map<String, String> mappingFiles = new HashMap<String, String>();
private static Map<String, String> env;
private static String url;
public static String retString;
public static String retCBSString;
@Override
public void run(String... args) throws Exception {
fetchMappingFile();
getconsul();
}
private void getconsul() {
env = System.getenv();
for (Map.Entry<String, String> entry : env.entrySet()) {
LOGGER.info(entry.getKey() + ":" + entry.getValue());
}
if (env.containsKey("CONSUL_HOST") && env.containsKey("CONFIG_BINDING_SERVICE")) {
LOGGER.info(">>>Dynamic configuration to be fetched from ConfigBindingService");
url = env.get("CONSUL_HOST") + ":8500/v1/catalog/service/" + env.get("CONFIG_BINDING_SERVICE");
retString = executecurl(url);
} else {
LOGGER.info(">>>Static configuration to be used");
}
}
private String executecurl(String url) {
String[] command = { "curl", "-v", url };
ProcessBuilder process = new ProcessBuilder(command);
Process p;
String result = null;
try {
p = process.start();
InputStreamReader ipr = new InputStreamReader(p.getInputStream());
BufferedReader reader = new BufferedReader(ipr);
StringBuilder builder = new StringBuilder();
String line;
while ((line = reader.readLine()) != null) {
builder.append(line);
}
result = builder.toString();
LOGGER.info(result);
reader.close();
ipr.close();
} catch (IOException e) {
LOGGER.error("error", e);
e.printStackTrace();
}
return result;
}
public void fetchMappingFile() {
try (Connection con = DriverManager.getConnection(dBurl, user, pwd)) {
LOGGER.info("Retrieving data from DB");
PreparedStatement pstmt = con.prepareStatement("SELECT * FROM mapping_file");
ResultSet rs = pstmt.executeQuery();
// parsing the column each time is a linear search
int column1Pos = rs.findColumn("enterpriseid");
int column2Pos = rs.findColumn("mappingfilecontents");
String hexString;
while (rs.next()) {
String column1 = rs.getString(column1Pos);
String column2 = rs.getString(column2Pos);
hexString = column2.substring(2);
byte[] bytes = Hex.decodeHex(hexString.toCharArray());
String data = new String(bytes, "UTF-8");
mappingFiles.put(column1, data);
}
LOGGER.info("DB Initialization Completed..." + mappingFiles.size());
} catch (Exception e) {
LOGGER.error("Error occured due to :" + e.getMessage());
e.printStackTrace();
}
}
public static Map<String, String> getMappingFiles() {
return mappingFiles;
}
public static void setMappingFiles(Map<String, String> mappingFiles) {
VESAdapterInitializer.mappingFiles = mappingFiles;
}
@Override
public int getOrder() {
return 1;
}
}
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