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/*-
* ============LICENSE_START======================================================================
* Copyright (C) 2018 NOKIA Intellectual Property, 2018-2019 Nordix Foundation. All rights reserved.
* ===============================================================================================
* 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.dcaegen2.collectors.datafile.configuration;
import com.google.gson.JsonObject;
import java.util.Map;
import java.util.Properties;
import org.onap.dcaegen2.collectors.datafile.model.logging.MappedDiagnosticContext;
import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.providers.ReactiveCloudConfigurationProvider;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.config.DmaapConsumerConfiguration;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.config.DmaapPublisherConfiguration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.scheduling.annotation.EnableScheduling;
import reactor.core.publisher.Mono;
import reactor.core.scheduler.Schedulers;
/**
* Gets the DFC configuration from the ConfigBindingService/Consul and parses it to the configurations needed in DFC.
*
* @author <a href="mailto:przemyslaw.wasala@nokia.com">Przemysław Wąsala</a> on 9/19/18
* @author <a href="mailto:henrik.b.andersson@est.tech">Henrik Andersson</a>
*/
@Configuration
@ComponentScan("org.onap.dcaegen2.services.sdk.rest.services.cbs.client.providers")
@EnableConfigurationProperties
@EnableScheduling
@Primary
public class CloudConfiguration extends AppConfig {
private static final Logger logger = LoggerFactory.getLogger(CloudConfiguration.class);
private ReactiveCloudConfigurationProvider reactiveCloudConfigurationProvider;
private DmaapPublisherConfiguration dmaapPublisherCloudConfiguration;
private DmaapConsumerConfiguration dmaapConsumerCloudConfiguration;
private FtpesConfig ftpesCloudConfiguration;
@Value("#{systemEnvironment}")
private Properties systemEnvironment;
@Autowired
public synchronized void setThreadPoolTaskScheduler(
ReactiveCloudConfigurationProvider reactiveCloudConfigurationProvider) {
this.reactiveCloudConfigurationProvider = reactiveCloudConfigurationProvider;
}
/**
* Reads the cloud configuration.
*/
public void runTask() {
Map<String,String> context = MappedDiagnosticContext.initializeTraceContext();
EnvironmentProcessor.readEnvironmentVariables(systemEnvironment, context) //
.subscribeOn(Schedulers.parallel()) //
.flatMap(reactiveCloudConfigurationProvider::callForServiceConfigurationReactive) //
.flatMap(this::parseCloudConfig) //
.subscribe(null, this::onError, this::onComplete);
}
private void onComplete() {
logger.trace("Configuration updated");
}
private void onError(Throwable throwable) {
logger.warn("Exception during getting configuration from CONSUL/CONFIG_BINDING_SERVICE ", throwable);
}
private synchronized Mono<CloudConfiguration> parseCloudConfig(JsonObject jsonObject) {
logger.info("Received application configuration: {}", jsonObject);
CloudConfigParser cloudConfigParser = new CloudConfigParser(jsonObject);
dmaapPublisherCloudConfiguration = cloudConfigParser.getDmaapPublisherConfig();
dmaapConsumerCloudConfiguration = cloudConfigParser.getDmaapConsumerConfig();
ftpesCloudConfiguration = cloudConfigParser.getFtpesConfig();
return Mono.just(this);
}
@Override
public synchronized DmaapPublisherConfiguration getDmaapPublisherConfiguration() {
return dmaapPublisherCloudConfiguration != null ? dmaapPublisherCloudConfiguration
: super.getDmaapPublisherConfiguration();
}
@Override
public synchronized DmaapConsumerConfiguration getDmaapConsumerConfiguration() {
return dmaapConsumerCloudConfiguration != null ? dmaapConsumerCloudConfiguration
: super.getDmaapConsumerConfiguration();
}
@Override
public synchronized FtpesConfig getFtpesConfiguration() {
return ftpesCloudConfiguration != null ? ftpesCloudConfiguration : super.getFtpesConfiguration();
}
}
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