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/*
* ============LICENSE_START===================================================
* Copyright (c) 2018 Amdocs
* ============================================================================
* 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.pomba.contextbuilder.sdnc.service;
import java.net.InetAddress;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;
import javax.servlet.http.HttpServletRequest;
import org.apache.camel.ProducerTemplate;
import org.kie.api.runtime.KieContainer;
import org.kie.api.runtime.KieSession;
import org.onap.aai.restclient.client.RestClient;
import org.onap.pomba.common.datatypes.ModelContext;
import org.onap.pomba.contextbuilder.sdnc.exception.AuditException;
import org.onap.pomba.contextbuilder.sdnc.model.ServiceEntity;
import org.onap.pomba.contextbuilder.sdnc.service.rs.RestService;
import org.onap.pomba.contextbuilder.sdnc.util.RestUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.MDC;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
@Service
public class SpringServiceImpl implements SpringService {
private static Logger log = LoggerFactory.getLogger(RestService.class);
@Autowired
private String sdncCtxBuilderBasicAuthorization;
private KieContainer kieContainer;
@Autowired
private ProducerTemplate producerTemplate;
@Autowired
private String aaiBasicAuthorization;
@Autowired
private RestClient aaiClient;
@Autowired
private String aaiBaseUrl;
@Autowired
private String aaiPathToSearchNodeQuery;
@Autowired
private String aaiPathToCustomerQuery;
@Autowired
public SpringServiceImpl(KieContainer kieContainer) {
this.kieContainer = kieContainer;
}
public SpringServiceImpl() {
// needed for instantiation
}
public static final String APP_NAME = "SdncContextBuilder";
public static final String MDC_REQUEST_ID = "RequestId";
public static final String MDC_SERVER_FQDN = "ServerFQDN";
public static final String MDC_SERVICE_NAME = "ServiceName";
public static final String MDC_PARTNER_NAME = "PartnerName";
public static final String MDC_START_TIME = "StartTime";
public static final String MDC_SERVICE_INSTANCE_ID = "ServiceInstanceId";
public static final String MDC_INVOCATION_ID = "InvocationID";
public static final String MDC_CLIENT_ADDRESS = "ClientAddress";
public static final String MDC_STATUS_CODE = "StatusCode";
public static final String MDC_RESPONSE_CODE = "ResponseCode";
public static final String MDC_INSTANCE_UUID = "InstanceUUID";
private static UUID instanceUUID = UUID.randomUUID();
@Override
public ModelContext getContext(HttpServletRequest request, String serviceInstanceId, String transactionId, String partnerName) throws AuditException {
String remoteAddress = request.getRemoteAddr() != null ? request.getRemoteAddr() : null;
initMDC(transactionId, partnerName, serviceInstanceId, remoteAddress);
ModelContext context = null;
// Call AAI system to populate ServiceData
ServiceEntity serviceEntity = RestUtil.getServiceEntity(aaiClient, aaiBaseUrl, aaiBasicAuthorization, aaiPathToSearchNodeQuery, aaiPathToCustomerQuery, serviceInstanceId, transactionId);
if (null == serviceEntity) {
return context;
}
processApiMappingRules(serviceEntity);
log.info("SDN-C determined API: " + serviceEntity.getApiName());
context = producerTemplate.requestBody("direct:startRoutingProcess", serviceEntity, ModelContext.class);
return context;
}
private void initMDC(String requestId, String partnerName, String serviceInstanceId, String remoteAddress) {
MDC.clear();
MDC.put(MDC_REQUEST_ID, requestId);
MDC.put(MDC_SERVICE_NAME, APP_NAME);
MDC.put(MDC_SERVICE_INSTANCE_ID, serviceInstanceId);
MDC.put(MDC_PARTNER_NAME, partnerName);
MDC.put(MDC_CLIENT_ADDRESS, remoteAddress);
MDC.put(MDC_START_TIME, new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX").format(new Date()));
MDC.put(MDC_INVOCATION_ID, UUID.randomUUID().toString());
MDC.put(MDC_INSTANCE_UUID, instanceUUID.toString());
try {
MDC.put(MDC_SERVER_FQDN, InetAddress.getLocalHost().getCanonicalHostName());
} catch (Exception e) {
// If, for some reason we are unable to get the canonical host name,
// we
// just want to leave the field null.
log.info("Could not get canonical host name for " + MDC_SERVER_FQDN + ", leaving field null");
}
}
private void processApiMappingRules(ServiceEntity serviceData){
KieSession kieSession = kieContainer.newKieSession();
log.info ("KIE Session is created");
kieSession.insert(serviceData);
kieSession.fireAllRules();
log.info("Rules are fired");
kieSession.getFactHandles().forEach(fh -> kieSession.delete(fh));
kieSession.dispose();
}
public String getSdncAuthoriztion() {
return sdncCtxBuilderBasicAuthorization;
}
}
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