2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.onap.logging.filter.base;
23 import java.net.InetAddress;
24 import java.net.UnknownHostException;
25 import java.time.ZoneOffset;
26 import java.time.ZonedDateTime;
27 import java.time.format.DateTimeFormatter;
28 import java.time.temporal.ChronoUnit;
29 import java.util.Base64;
30 import java.util.UUID;
31 import javax.servlet.http.HttpServletRequest;
32 import javax.ws.rs.core.HttpHeaders;
33 import javax.ws.rs.core.Response;
34 import org.onap.logging.ref.slf4j.ONAPLogConstants;
35 import org.slf4j.Logger;
36 import org.slf4j.LoggerFactory;
39 public class MDCSetup {
41 protected static Logger logger = LoggerFactory.getLogger(MDCSetup.class);
43 private static final String INSTANCE_UUID = UUID.randomUUID().toString();
45 public void setInstanceID() {
46 MDC.put(ONAPLogConstants.MDCs.INSTANCE_UUID, INSTANCE_UUID);
49 public void setServerFQDN() {
50 String serverFQDN = "";
51 InetAddress addr = null;
53 addr = InetAddress.getLocalHost();
54 serverFQDN = addr.getCanonicalHostName();
55 MDC.put(ONAPLogConstants.MDCs.SERVER_IP_ADDRESS, addr.getHostAddress());
56 } catch (UnknownHostException e) {
57 logger.warn("Cannot Resolve Host Name");
60 MDC.put(ONAPLogConstants.MDCs.SERVER_FQDN, serverFQDN);
63 public void setClientIPAddress(HttpServletRequest httpServletRequest) {
64 String clientIpAddress = "";
65 if (httpServletRequest != null) {
66 // This logic is to avoid setting the client ip address to that of the load
67 // balancer in front of the application
68 String getForwadedFor = httpServletRequest.getHeader("X-Forwarded-For");
69 if (getForwadedFor != null) {
70 clientIpAddress = getForwadedFor;
72 clientIpAddress = httpServletRequest.getRemoteAddr();
75 MDC.put(ONAPLogConstants.MDCs.CLIENT_IP_ADDRESS, clientIpAddress);
78 public void setEntryTimeStamp() {
79 MDC.put(ONAPLogConstants.MDCs.ENTRY_TIMESTAMP,
80 ZonedDateTime.now(ZoneOffset.UTC).format(DateTimeFormatter.ISO_INSTANT));
83 public String getRequestId(SimpleMap headers) {
84 logger.trace("Checking X-ONAP-RequestID header for requestId.");
85 String requestId = headers.get(ONAPLogConstants.Headers.REQUEST_ID);
86 if (requestId != null && !requestId.isEmpty()) {
90 logger.trace("No valid X-ONAP-RequestID header value. Checking X-RequestID header for requestId.");
91 requestId = headers.get(Constants.HttpHeaders.HEADER_REQUEST_ID);
92 if (requestId != null && !requestId.isEmpty()) {
96 logger.trace("No valid X-RequestID header value. Checking X-TransactionID header for requestId.");
97 requestId = headers.get(Constants.HttpHeaders.TRANSACTION_ID);
98 if (requestId != null && !requestId.isEmpty()) {
102 logger.trace("No valid X-TransactionID header value. Checking X-ECOMP-RequestID header for requestId.");
103 requestId = headers.get(Constants.HttpHeaders.ECOMP_REQUEST_ID);
104 if (requestId != null && !requestId.isEmpty()) {
108 logger.trace("No valid requestId headers. Generating requestId: {}", requestId);
109 return UUID.randomUUID().toString();
112 public void setInvocationId(SimpleMap headers) {
113 String invocationId = headers.get(ONAPLogConstants.Headers.INVOCATION_ID);
114 if (invocationId == null || invocationId.isEmpty())
115 invocationId = UUID.randomUUID().toString();
116 MDC.put(ONAPLogConstants.MDCs.INVOCATION_ID, invocationId);
119 public void setInvocationIdFromMDC() {
120 String invocationId = MDC.get(ONAPLogConstants.MDCs.INVOCATION_ID);
121 if (invocationId == null || invocationId.isEmpty())
122 invocationId = UUID.randomUUID().toString();
123 MDC.put(ONAPLogConstants.MDCs.INVOCATION_ID, invocationId);
126 public void setMDCPartnerName(SimpleMap headers) {
127 String partnerName = getMDCPartnerName(headers);
128 MDC.put(ONAPLogConstants.MDCs.PARTNER_NAME, partnerName);
131 protected String getMDCPartnerName(SimpleMap headers) {
132 String checkHeaderLogPattern = "Checking {} header to determine the value of {}";
134 logger.trace(checkHeaderLogPattern, HttpHeaders.AUTHORIZATION, ONAPLogConstants.MDCs.PARTNER_NAME);
135 String partnerName = getBasicAuthUserName(headers);
136 if (partnerName != null && !partnerName.isEmpty()) {
140 logger.trace(checkHeaderLogPattern, ONAPLogConstants.Headers.PARTNER_NAME, ONAPLogConstants.MDCs.PARTNER_NAME);
141 partnerName = headers.get(ONAPLogConstants.Headers.PARTNER_NAME);
142 if (partnerName != null && !partnerName.isEmpty()) {
146 logger.trace(checkHeaderLogPattern, HttpHeaders.USER_AGENT, ONAPLogConstants.MDCs.PARTNER_NAME);
147 partnerName = headers.get(HttpHeaders.USER_AGENT);
148 if (partnerName != null && !partnerName.isEmpty()) {
152 logger.trace(checkHeaderLogPattern, Constants.HttpHeaders.CLIENT_ID, ONAPLogConstants.MDCs.PARTNER_NAME);
153 partnerName = headers.get(Constants.HttpHeaders.CLIENT_ID);
154 if (partnerName != null && !partnerName.isEmpty()) {
158 logger.trace("{} value could not be determined, defaulting partnerName to {}.",
159 ONAPLogConstants.MDCs.PARTNER_NAME, Constants.DefaultValues.UNKNOWN);
160 return Constants.DefaultValues.UNKNOWN;
163 public void setLogTimestamp() {
164 MDC.put(ONAPLogConstants.MDCs.LOG_TIMESTAMP,
165 ZonedDateTime.now(ZoneOffset.UTC).format(DateTimeFormatter.ISO_INSTANT));
168 public void setElapsedTime() {
170 DateTimeFormatter timeFormatter = DateTimeFormatter.ISO_ZONED_DATE_TIME;
171 ZonedDateTime entryTimestamp =
172 ZonedDateTime.parse(MDC.get(ONAPLogConstants.MDCs.ENTRY_TIMESTAMP), timeFormatter);
173 ZonedDateTime endTimestamp =
174 ZonedDateTime.parse(MDC.get(ONAPLogConstants.MDCs.LOG_TIMESTAMP), timeFormatter);
176 MDC.put(ONAPLogConstants.MDCs.ELAPSED_TIME,
177 Long.toString(ChronoUnit.MILLIS.between(entryTimestamp, endTimestamp)));
178 } catch (Exception e) {
179 logger.warn("Unable to calculate elapsed time due to error: {}", e.getMessage());
183 public void setElapsedTimeInvokeTimestamp() {
185 DateTimeFormatter timeFormatter = DateTimeFormatter.ISO_ZONED_DATE_TIME;
186 ZonedDateTime entryTimestamp =
187 ZonedDateTime.parse(MDC.get(ONAPLogConstants.MDCs.INVOKE_TIMESTAMP), timeFormatter);
188 ZonedDateTime endTimestamp =
189 ZonedDateTime.parse(MDC.get(ONAPLogConstants.MDCs.LOG_TIMESTAMP), timeFormatter);
191 MDC.put(ONAPLogConstants.MDCs.ELAPSED_TIME,
192 Long.toString(ChronoUnit.MILLIS.between(entryTimestamp, endTimestamp)));
193 } catch (Exception e) {
194 logger.warn("Unable to calculate elapsed time due to error: {}", e.getMessage());
198 public void setResponseStatusCode(int code) {
200 if (Response.Status.Family.familyOf(code).equals(Response.Status.Family.SUCCESSFUL)) {
201 statusCode = ONAPLogConstants.ResponseStatus.COMPLETE.toString();
203 statusCode = ONAPLogConstants.ResponseStatus.ERROR.toString();
207 MDC.put(ONAPLogConstants.MDCs.RESPONSE_STATUS_CODE, statusCode);
210 public void setTargetEntity(ONAPComponentsList targetEntity) {
211 MDC.put(ONAPLogConstants.MDCs.TARGET_ENTITY, targetEntity.toString());
214 public void clearClientMDCs() {
215 MDC.remove(ONAPLogConstants.MDCs.INVOCATION_ID);
216 MDC.remove(ONAPLogConstants.MDCs.RESPONSE_DESCRIPTION);
217 MDC.remove(ONAPLogConstants.MDCs.RESPONSE_STATUS_CODE);
218 MDC.remove(ONAPLogConstants.MDCs.RESPONSE_CODE);
219 MDC.remove(ONAPLogConstants.MDCs.TARGET_ENTITY);
220 MDC.remove(ONAPLogConstants.MDCs.TARGET_SERVICE_NAME);
221 MDC.remove(ONAPLogConstants.MDCs.INVOKE_TIMESTAMP);
222 MDC.remove(ONAPLogConstants.MDCs.ERROR_CODE);
223 MDC.remove(ONAPLogConstants.MDCs.ERROR_DESC);
226 public void setResponseDescription(int statusCode) {
227 MDC.put(ONAPLogConstants.MDCs.RESPONSE_DESCRIPTION, Response.Status.fromStatusCode(statusCode).toString());
230 public void setErrorCode(int statusCode) {
231 MDC.put(ONAPLogConstants.MDCs.ERROR_CODE, String.valueOf(statusCode));
234 public void setErrorDesc(int statusCode) {
235 MDC.put(ONAPLogConstants.MDCs.ERROR_DESC, Response.Status.fromStatusCode(statusCode).toString());
238 public String getProperty(String property) {
239 String propertyValue = System.getProperty(property);
240 if (propertyValue == null || propertyValue.isEmpty()) {
241 propertyValue = System.getenv(property);
242 if (propertyValue == null || propertyValue.isEmpty()) {
243 propertyValue = Constants.DefaultValues.UNKNOWN;
246 return propertyValue;
249 protected String getBasicAuthUserName(SimpleMap headers) {
250 String encodedAuthorizationValue = headers.get(HttpHeaders.AUTHORIZATION);
251 if (encodedAuthorizationValue != null && encodedAuthorizationValue.startsWith("Basic")) {
253 // This will strip the word Basic and single space
254 encodedAuthorizationValue = encodedAuthorizationValue.substring(6);
255 byte[] decodedBytes = Base64.getDecoder().decode(encodedAuthorizationValue);
256 String decodedString = new String(decodedBytes);
257 int idx = decodedString.indexOf(':');
258 return decodedString.substring(0, idx);
259 } catch (IllegalArgumentException e) {
260 logger.error("could not decode basic auth value " + encodedAuthorizationValue, e);