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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 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.onap.so.client.adapter.cnf;
import java.util.ArrayList;
import java.util.List;
import javax.persistence.EntityNotFoundException;
import javax.ws.rs.core.UriBuilder;
import org.apache.http.HttpStatus;
import org.onap.so.client.adapter.cnf.entities.InstanceRequest;
import org.onap.so.client.adapter.cnf.entities.InstanceResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.env.Environment;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.retry.annotation.Backoff;
import org.springframework.retry.annotation.Retryable;
import org.springframework.stereotype.Component;
import org.springframework.web.client.HttpClientErrorException;
import org.springframework.web.client.HttpServerErrorException;
import org.springframework.web.client.RestTemplate;
@Component
public class CnfAdapterClient {
private static final Logger logger = LoggerFactory.getLogger(CnfAdapterClient.class);
@Autowired
private RestTemplate restTemplate;
@Autowired
private Environment env;
private static final String INSTANCE_CREATE_PATH = "/api/cnf-adapter/v1/instance";
@Retryable(value = {HttpServerErrorException.class}, maxAttempts = 3, backoff = @Backoff(delay = 3000))
public InstanceResponse createVfModule(InstanceRequest request) throws CnfAdapterClientException {
try {
// String uri = env.getRequiredProperty("mso.cnf.adapter.endpoint"); //TODO: This needs to be added as well
// for configuration
String uri = "http://so-cnf-adapter:8090";
String endpoint = UriBuilder.fromUri(uri).path(INSTANCE_CREATE_PATH).build().toString();
HttpEntity<?> entity = getHttpEntity(request);
ResponseEntity<InstanceResponse> result =
restTemplate.exchange(endpoint, HttpMethod.POST, entity, InstanceResponse.class);
return result.getBody();
} catch (HttpClientErrorException e) {
logger.error("Error Calling CNF Adapter, e");
if (HttpStatus.SC_NOT_FOUND == e.getStatusCode().value()) {
throw new EntityNotFoundException(e.getResponseBodyAsString());
}
throw e;
}
}
@Retryable(value = {HttpServerErrorException.class}, maxAttempts = 3, backoff = @Backoff(delay = 3000))
public InstanceResponse healthcheck() throws CnfAdapterClientException {
try {
// String uri = env.getRequiredProperty("mso.cnf.adapter.endpoint"); //TODO: This needs to be added as well
// for configuration
String uri = "http://so-cnf-adapter:8090";
String endpoint = UriBuilder.fromUri(uri).path("/api/cnf-adapter/v1/healthcheck").build().toString();
HttpEntity<?> entity = new HttpEntity<>(getHttpHeaders());
ResponseEntity<InstanceResponse> result =
restTemplate.exchange(endpoint, HttpMethod.GET, entity, InstanceResponse.class);
return result.getBody();
} catch (HttpClientErrorException e) {
logger.error("Error Calling CNF Adapter, e");
if (HttpStatus.SC_NOT_FOUND == e.getStatusCode().value()) {
throw new EntityNotFoundException(e.getResponseBodyAsString());
}
throw e;
}
}
protected HttpHeaders getHttpHeaders() {
HttpHeaders headers = new HttpHeaders();
List<MediaType> acceptableMediaTypes = new ArrayList<>();
acceptableMediaTypes.add(MediaType.APPLICATION_JSON);
headers.setAccept(acceptableMediaTypes);
headers.setContentType(MediaType.APPLICATION_JSON);
/*
* try { String userCredentials = CryptoUtils.decrypt(env.getRequiredProperty("mso.cnf.adapter.auth"),
* env.getRequiredProperty("mso.msoKey")); if (userCredentials != null) { headers.add(HttpHeaders.AUTHORIZATION,
* "Basic " + DatatypeConverter.printBase64Binary(userCredentials.getBytes())); } } catch
* (GeneralSecurityException e) { logger.error("Security exception", e); }
*/
return headers;
}
protected HttpEntity<?> getHttpEntity(InstanceRequest request) {
HttpHeaders headers = getHttpHeaders();
return new HttpEntity<>(request, headers);
}
}
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