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/*
* Copyright © 2019 AT&T Intellectual Property.
*
* 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.
*
*
* Unless otherwise specified, all documentation contained herein is licensed
* under the Creative Commons License, Attribution 4.0 Intl. (the "License");
* you may not use this documentation except in compliance with the License.
* You may obtain a copy of the License at
*
* https://creativecommons.org/licenses/by/4.0/
*
* Unless required by applicable law or agreed to in writing, documentation
* 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.observations;
import static com.att.eelf.configuration.Configuration.MDC_BEGIN_TIMESTAMP;
import static com.att.eelf.configuration.Configuration.MDC_END_TIMESTAMP;
import static com.att.eelf.configuration.Configuration.MDC_INSTANCE_UUID;
import static com.att.eelf.configuration.Configuration.MDC_KEY_REQUEST_ID;
import static com.att.eelf.configuration.Configuration.MDC_PARTNER_NAME;
import static com.att.eelf.configuration.Configuration.MDC_REMOTE_HOST;
import static com.att.eelf.configuration.Configuration.MDC_RESPONSE_CODE;
import static com.att.eelf.configuration.Configuration.MDC_RESPONSE_DESC;
import static com.att.eelf.configuration.Configuration.MDC_SERVER_FQDN;
import static com.att.eelf.configuration.Configuration.MDC_SERVER_IP_ADDRESS;
import static com.att.eelf.configuration.Configuration.MDC_SERVICE_INSTANCE_ID;
import static com.att.eelf.configuration.Configuration.MDC_SERVICE_NAME;
import static com.att.eelf.configuration.Configuration.MDC_STATUS_CODE;
import static com.att.eelf.configuration.Configuration.MDC_TARGET_ENTITY;
import static com.att.eelf.configuration.Configuration.MDC_TARGET_SERVICE_NAME;
import java.net.InetAddress;
import java.net.URI;
import java.util.Date;
import java.util.Map;
import java.util.UUID;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.client.ClientRequestContext;
import javax.ws.rs.client.ClientResponseContext;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.container.ContainerResponseContext;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.Response.StatusType;
import org.onap.optf.cmso.filters.MessageHeaders.HeadersEnum;
import org.quartz.JobExecutionContext;
import org.slf4j.MDC;
import com.att.eelf.utils.Stopwatch;
/**
* ECOMP EELF logging MDC fields not defined in the MDC Configuration (i.e.
* MDC_ALERT_SEVERITY)
**/
public class Mdc {
public static final String SERVICE_NAME = "CSS-Scheduler";
public enum Enum {
// BeginTimestamp,
// EndTimeStamp,
// RequestId,
// ServiceInstanceId,
VirtualServerName,
// ServiceName,
// PartnerName,
// StatusCOde,
// ResponseCode,
// ResponseDescription,
// InstanceUUID,
// AlertSeverity,
// ServerIPAddress,
// ElapsedTime,
// ServerFQDN,
// RemoteHost,
ClassName, Unused,
// ProcessKey,
CustomField1, CustomField2, CustomField3, CustomField4,
// TargetVirtualEntity,
// TargetEntity,
// TargetServiceName,
ErrorCode, ErrorDescription, Timer,
}
public static String getCaller(int back)
{
StackTraceElement[] stackTraceElements = Thread.currentThread().getStackTrace();
return stackTraceElements[back].getClassName() + "." + stackTraceElements[back].getMethodName();
}
public static void setCaller(int back)
{
String caller = MDC.get(Enum.ClassName.name());
if (caller == null)
MDC.put(Enum.ClassName.name(), getCaller(back));
}
public static void setObservation(ObservationInterface o)
{
MDC.put(Enum.CustomField4.name(), o.name());
}
public static void clearCaller()
{
MDC.remove(Enum.ClassName.name());
}
public static void quartzJobBegin(JobExecutionContext context)
{
MDC.clear();
MDC.put(MDC_BEGIN_TIMESTAMP, Stopwatch.isoFormatter.format(new Date()));
MDC.put(MDC_INSTANCE_UUID, UUID.randomUUID().toString());
try{ MDC.put(MDC_SERVER_FQDN, InetAddress.getLocalHost().getHostName()); } catch (Exception e){ MDC.put(MDC_SERVER_FQDN, e.getMessage());}
try{ MDC.put(MDC_SERVER_IP_ADDRESS, InetAddress.getLocalHost().getHostAddress()); } catch (Exception e){ MDC.put(MDC_SERVER_FQDN, e.getMessage());}
MDC.put(MDC_SERVICE_INSTANCE_ID, "UNKNOWN");
MDC.put(MDC_SERVICE_NAME, SERVICE_NAME);
MDC.put(Enum.ClassName.name(), getCaller(3));
}
public static void quartzJobEnd(JobExecutionContext context)
{
MDC.put(MDC_END_TIMESTAMP, Stopwatch.isoFormatter.format(new Date()));
MDC.put(Enum.ClassName.name(), getCaller(3));
}
public static Map<String, String> save()
{
Map<String, String> save = MDC.getCopyOfContextMap();
return save;
}
public static void restore(Map<String, String> mdcSave)
{
MDC.clear();
for (String name : mdcSave.keySet())
MDC.put(name, mdcSave.get(name));
}
public static void setRequestIdIfNotSet(String requestId) {
if (MDC.get(MDC_KEY_REQUEST_ID) == null || MDC.get(MDC_KEY_REQUEST_ID).equals(""))
{
setRequestId(requestId);
}
}
public static void setRequestId(String requestId) {
MDC.put(MDC_KEY_REQUEST_ID, requestId);
}
public static void metricStart(ClientRequestContext requestContext) {
MDC.put(MDC_BEGIN_TIMESTAMP, Stopwatch.isoFormatter.format(new Date()));
MDC.put(MDC_END_TIMESTAMP, MDC.get(MDC_BEGIN_TIMESTAMP));
setPartnerTargetFromUri(requestContext.getUri());
}
public static void metricEnd(ClientResponseContext response)
{
Date now = new Date();
//MDC.put(MDC_BEGIN_TIMESTAMP, Stopwatch.isoFormatter.format(now));
MDC.put(MDC_END_TIMESTAMP, Stopwatch.isoFormatter.format(now));
setResponseInfo(response.getStatusInfo());
}
public static void auditStart(ContainerRequestContext requestContext, HttpServletRequest servletRequest)
{
MDC.put(MDC_BEGIN_TIMESTAMP, Stopwatch.isoFormatter.format(new Date()));
MDC.put(MDC_END_TIMESTAMP, MDC.get(MDC_BEGIN_TIMESTAMP));
MDC.put(MDC_REMOTE_HOST, servletRequest.getRemoteHost());
MDC.put(Enum.ClassName.name(), getCaller(4));
MultivaluedMap<String, String> headers = requestContext.getHeaders();
String transactionId = (String) headers.getFirst(HeadersEnum.TransactionID.toString());
if (transactionId != null)
{
setRequestId(transactionId);
}
else
{
setRequestId(UUID.randomUUID().toString());
}
}
public static void auditEnd(ContainerRequestContext requestContext, ContainerResponseContext response)
{
Date now = new Date();
//MDC.put(MDC_BEGIN_TIMESTAMP, Stopwatch.isoFormatter.format(now));
MDC.put(MDC_END_TIMESTAMP, Stopwatch.isoFormatter.format(now));
MDC.put(Enum.ClassName.name(), getCaller(4));
setResponseInfo(response.getStatusInfo());
}
private static void setResponseInfo(StatusType statusInfo)
{
Integer status = statusInfo.getStatusCode();
String completed = "ERROR";
if (status >=200 && status < 300)
{
completed = "COMPLETE";
}
MDC.put(MDC_RESPONSE_CODE, status.toString());
MDC.put(MDC_RESPONSE_DESC, statusInfo.getReasonPhrase());
MDC.put(MDC_STATUS_CODE, completed);
}
public static void setEvent(String requestID) {
MDC.put(MDC_BEGIN_TIMESTAMP, Stopwatch.isoFormatter.format(new Date()));
MDC.put(MDC_END_TIMESTAMP, MDC.get(MDC_BEGIN_TIMESTAMP));
setRequestId(requestID);
}
private static void setPartnerTargetFromUri(URI uri)
{
try
{
MDC.put(MDC_PARTNER_NAME, uri.getHost());
MDC.put(MDC_TARGET_ENTITY, uri.getScheme() + "://" + uri.getHost() + ":" + uri.getPort());
MDC.put(MDC_TARGET_SERVICE_NAME, uri.getPath());
}
catch (Exception e)
{
MDC.put(MDC_PARTNER_NAME, "UNKNOWN");
MDC.put(MDC_TARGET_ENTITY, "UNKNOWN");
MDC.put(MDC_TARGET_SERVICE_NAME, "UNKNOWN");
}
}
}
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