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/*******************************************************************************
* ============LICENSE_START=======================================================
* slice-analysis-ms
* ================================================================================
* Copyright (C) 2020 Wipro Limited.
* ==============================================================================
* 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.slice.analysis.ms;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import com.google.gson.Gson;
import com.google.gson.JsonObject;
import com.google.gson.reflect.TypeToken;
import java.io.BufferedReader;
import java.io.FileReader;
import java.lang.reflect.Type;
import java.time.Duration;
import java.util.Map;
import javax.sql.DataSource;
import org.onap.slice.analysis.ms.controller.ConfigFetchFromCbs;
import org.onap.slice.analysis.ms.models.ConfigPolicy;
import org.onap.slice.analysis.ms.models.Configuration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.jdbc.DataSourceBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.scheduling.annotation.EnableScheduling;
/**
*
* Entry point for the slice analysis service application
*
*/
@EnableScheduling
@SpringBootApplication
public class Application {
private static Logger log = LoggerFactory.getLogger(Application.class);
/**
* Main method where initial configuration and context is set
* @param args
*/
public static void main(String[] args) {
getConfig();
log.info("Starting spring boot application");
SpringApplication.run(Application.class, args);
MainThread.initiateThreads();
}
private static void getConfig() {
Boolean standalone = Boolean.parseBoolean(System.getenv("STANDALONE"));
if (standalone) {
log.info("Running in standalone mode");
String configFile = System.getenv("CONFIG_FILE");
String configAllJson = readFromFile(configFile);
JsonObject configAll = new Gson().fromJson(configAllJson, JsonObject.class);
JsonObject config = configAll.getAsJsonObject("config");
Configuration.getInstance().updateConfigurationFromJsonObject(config);
ConfigPolicy configPolicy = ConfigPolicy.getInstance();
Type mapType = new TypeToken<Map<String, Object>>() {
}.getType();
if (configAll.getAsJsonObject("policies") != null) {
JsonObject policyJson = configAll.getAsJsonObject("policies").getAsJsonArray("items").get(0)
.getAsJsonObject().getAsJsonObject("config");
Map<String, Object> policy = new Gson().fromJson(policyJson, mapType);
configPolicy.setConfig(policy);
log.info("Config policy {}", configPolicy);
}
return;
}
ConfigFetchFromCbs configFetchFromCbs = new ConfigFetchFromCbs(Duration.ofSeconds(60));
Thread configFetchThread = new Thread(configFetchFromCbs);
configFetchThread.start();
try {
Thread.sleep(10000);
} catch (InterruptedException e) {
log.debug("InterruptedException : {}", e);
Thread.currentThread().interrupt();
}
log.info("after 10s sleep");
}
/**
* DataSource bean.
*/
@Bean
public DataSource dataSource() {
Configuration configuration = Configuration.getInstance();
String url = "jdbc:postgresql://" + configuration.getPgHost() + ":" + configuration.getPgPort() + "/sliceanalysisms";
return DataSourceBuilder.create().url(url).username(configuration.getPgUsername())
.password(configuration.getPgPassword()).build();
}
private static String readFromFile(String file) {
String content = "";
try (BufferedReader bufferedReader = new BufferedReader(new FileReader(file))) {
content = bufferedReader.readLine();
String temp;
while ((temp = bufferedReader.readLine()) != null) {
content = content.concat(temp);
}
content = content.trim();
} catch (Exception e) {
content = null;
}
return content;
}
}
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