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/**
* Copyright 2017 - 2021 ZTE Corporation.
* <p>
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.
*/
package org.onap.holmes.common.aai;
import lombok.extern.slf4j.Slf4j;
import org.onap.holmes.common.aai.config.AaiConfig;
import org.onap.holmes.common.aai.entity.VmEntity;
import org.onap.holmes.common.aai.entity.VnfEntity;
import org.onap.holmes.common.exception.CorrelationException;
import org.onap.holmes.common.utils.JerseyClient;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@Service
@Slf4j
public class AaiQuery {
@Autowired
private AaiResponseUtil aaiResponseUtil;
public VnfEntity getAaiVnfData(String vnfId, String vnfName) throws CorrelationException {
String response = getVnfDataResponse(vnfId, vnfName);
try {
return aaiResponseUtil.convertJsonToVnfEntity(response);
} catch (Exception e) {
throw new CorrelationException("Failed to convert aai vnf response data to vnf entity", e);
}
}
public VmEntity getAaiVmData(String vserverId, String vserverName) throws CorrelationException {
String url = getVmUrl(vserverId, vserverName);
String response = getResponse(url);
try {
return aaiResponseUtil.convertJsonToVmEntity(response);
} catch (Exception e) {
throw new CorrelationException("Failed to convert aai vm response data to vm entity", e);
}
}
private String getVmUrl(String vserverId, String vserverName) throws CorrelationException {
String resourceLinkUrl = getVmResourceLinks(vserverId, vserverName);
return getBaseUrl("") + resourceLinkUrl;
}
private String getVmResourceLinks(String vserverId, String vserverName) throws CorrelationException {
String response = getResourceLinksResponse(vserverId, vserverName);
List linkList = aaiResponseUtil.convertJsonToVmResourceLink(response);
if (!linkList.isEmpty()) {
return aaiResponseUtil.convertJsonToVmResourceLink(response).get(0).getResourceLink();
}
return "";
}
private String getResourceLinksResponse(String vserverId, String vserverName) throws CorrelationException {
String url = getBaseUrl(AaiConfig.AaiConsts.AAI_VM_ADDR + "vserver-id:EQUALS:" + vserverId);
String response = getResponse(url);
if ("".equals(response) || "{}".equals(response)) {
url = getBaseUrl(AaiConfig.AaiConsts.AAI_VM_ADDR + "vserver-name:EQUALS:" + vserverName);
response = getResponse(url);
}
return response;
}
private String getVnfDataResponse(String vnfId, String vnfName) throws CorrelationException {
String url = getBaseUrl(AaiConfig.AaiConsts.AAI_VNF_ADDR + "/" + vnfId);
String response = getResponse(url);
if ("".equals(response) || "{}".equals(response)) {
url = getBaseUrl(AaiConfig.AaiConsts.AAI_VNF_ADDR + "?vnf-name=" + vnfName);
response = getResponse(url);
}
return response;
}
private String getBaseUrl(String suffixUrl) {
return "https://aai.onap:8443" + suffixUrl;
}
private String getResponse(String url) throws CorrelationException {
try {
return JerseyClient.newInstance().headers(getHeaders()).get(url);
} catch (Exception e) {
throw new CorrelationException("Failed to get data from aai", e);
}
}
private Map getHeaders() {
Map<String, String> headers = new HashMap<>();
headers.put("X-TransactionId", AaiConfig.X_TRANSACTION_ID);
headers.put("X-FromAppId", AaiConfig.X_FROMAPP_ID);
headers.put("Authorization", AaiConfig.getAuthenticationCredentials());
headers.put("Accept", "application/json");
return headers;
}
}
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