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/*
* ============LICENSE_START=======================================================
* DCAEGEN2-SERVICES-SDK
* ================================================================================
* Copyright (C) 2019-2021 Nokia. 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.services.sdk.rest.services.cbs.client.impl;
import com.google.gson.JsonObject;
import org.jetbrains.annotations.NotNull;
import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.HttpMethod;
import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.HttpResponse;
import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.ImmutableHttpRequest;
import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.RxHttpClient;
import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.CbsClient;
import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.CbsRequest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import reactor.core.publisher.Mono;
import java.net.InetSocketAddress;
import java.net.MalformedURLException;
import java.net.URL;
public class CbsClientRest implements CbsClient {
private static final Logger LOGGER = LoggerFactory.getLogger(CbsClientRest.class);
private final RxHttpClient httpClient;
private final String serviceName;
private final InetSocketAddress cbsAddress;
private final String protocol;
public CbsClientRest(RxHttpClient httpClient, String serviceName, InetSocketAddress cbsAddress, String protocol) {
this.httpClient = httpClient;
this.serviceName = serviceName;
this.cbsAddress = cbsAddress;
this.protocol = protocol;
}
@Override
public @NotNull Mono<JsonObject> get(CbsRequest request) {
return Mono.fromCallable(() -> constructUrl(request).toString())
.doOnNext(this::logRequestUrl)
.map(url -> ImmutableHttpRequest.builder()
.method(HttpMethod.GET)
.url(url)
.diagnosticContext(request.diagnosticContext())
.build())
.flatMap(httpClient::call)
.doOnNext(HttpResponse::throwIfUnsuccessful)
.map(resp -> resp.bodyAsJson(JsonObject.class))
.map(CbsClientEnvironmentParsing::processEnvironmentVariables)
.doOnNext(this::logCbsResponse);
}
private void logRequestUrl(String url) {
LOGGER.debug("Calling {} for configuration", url);
}
private void logCbsResponse(JsonObject json) {
LOGGER.info("Got successful response from Config Binding Service");
LOGGER.debug("CBS response: {}", json);
}
private URL constructUrl(CbsRequest request) {
try {
return new URL(
this.protocol,
cbsAddress.getHostString(),
cbsAddress.getPort(),
request.requestPath().getForService(serviceName));
} catch (MalformedURLException e) {
throw new IllegalArgumentException("Invalid CBS URL", e);
}
}
}
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