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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2019 AT&T Intellectual Property. 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.openecomp.sdc.be.components.distribution.engine;
import org.apache.http.conn.ConnectTimeoutException;
import org.openecomp.sdc.be.config.ConfigurationManager;
import org.openecomp.sdc.common.api.Constants;
import org.openecomp.sdc.common.datastructure.FunctionalInterfaces;
import org.openecomp.sdc.common.datastructure.FunctionalInterfaces.SupplierThrows;
import org.openecomp.sdc.common.http.client.api.HttpExecuteException;
import org.openecomp.sdc.common.http.client.api.HttpRequest;
import org.openecomp.sdc.common.http.client.api.HttpResponse;
import org.openecomp.sdc.common.http.client.api.Responses;
import org.openecomp.sdc.common.http.config.ExternalServiceConfig;
import org.openecomp.sdc.common.log.wrappers.Logger;
import org.springframework.stereotype.Component;
import javax.annotation.PostConstruct;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import java.net.ConnectException;
import java.net.SocketTimeoutException;
import java.util.Properties;
import java.util.UUID;
@Component
public class AaiRequestHandler {
private static final Logger logger = Logger.getLogger(AaiRequestHandler.class);
private ExternalServiceConfig aaiConfig;
protected static final String OPERATIONAL_ENV_RESOURCE_CONFIG_PARAM = "operationalEnvironments";
protected static final String OPERATIONAL_ENV_RESOURCE = "/operational-environment";
@PostConstruct
public void init() {
logger.debug("AaiRequestHandler has been initialized.");
aaiConfig = ConfigurationManager.getConfigurationManager().getDistributionEngineConfiguration().getAaiConfig();
logger.debug("AaiRequestHandler Configuration={}", aaiConfig);
}
public HttpResponse<String> getOperationalEnvById(String id) {
Properties headers = createHeaders();
String url = String.format("%s%s%s/%s",
aaiConfig.getHttpRequestConfig().getServerRootUrl(),
aaiConfig.getHttpRequestConfig().getResourceNamespaces().get(OPERATIONAL_ENV_RESOURCE_CONFIG_PARAM),
OPERATIONAL_ENV_RESOURCE, id);
SupplierThrows<HttpResponse<String>, Exception> httpGet = () -> HttpRequest.get(url, headers, aaiConfig.getHttpClientConfig());
long maxRetries = aaiConfig.getHttpClientConfig().getNumOfRetries();
try {
return FunctionalInterfaces.retryMethodOnException(httpGet, this::retryOnException, maxRetries);
}
catch (Exception e) {
logger.debug("Request failed with exception {}", getCause(e).getMessage());
return Responses.INTERNAL_SERVER_ERROR;
}
}
private boolean retryOnException(Exception e) {
Throwable cause = getCause(e);
return !(cause instanceof ConnectTimeoutException || cause instanceof ConnectException || cause instanceof SocketTimeoutException);
}
private Throwable getCause(Exception e) {
if (e instanceof HttpExecuteException) {
return e.getCause();
}
return e;
}
private Properties createHeaders() {
Properties headers = new Properties();
headers.put(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON);
headers.put(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON);
headers.put(Constants.X_TRANSACTION_ID_HEADER, UUID.randomUUID().toString());
return headers;
}
}
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