diff options
Diffstat (limited to 'reference/logging-filter/logging-filter-spring/src/main/java/org/onap/logging/filter/spring/SpringClientFilter.java')
-rw-r--r-- | reference/logging-filter/logging-filter-spring/src/main/java/org/onap/logging/filter/spring/SpringClientFilter.java | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/reference/logging-filter/logging-filter-spring/src/main/java/org/onap/logging/filter/spring/SpringClientFilter.java b/reference/logging-filter/logging-filter-spring/src/main/java/org/onap/logging/filter/spring/SpringClientFilter.java new file mode 100644 index 0000000..6eeee1a --- /dev/null +++ b/reference/logging-filter/logging-filter-spring/src/main/java/org/onap/logging/filter/spring/SpringClientFilter.java @@ -0,0 +1,157 @@ +/*- + * ============LICENSE_START======================================================= + * ONAP - Logging + * ================================================================================ + * Copyright (C) 2019 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.logging.filter.spring; + +import java.io.IOException; +import java.nio.charset.Charset; +import java.nio.charset.StandardCharsets; +import java.time.ZoneOffset; +import java.time.ZonedDateTime; +import java.time.format.DateTimeFormatter; +import java.util.List; +import java.util.UUID; +import org.onap.logging.filter.base.Constants; +import org.onap.logging.filter.base.MDCSetup; +import org.onap.logging.filter.base.PropertyUtil; +import org.onap.logging.ref.slf4j.ONAPLogConstants; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.slf4j.MDC; +import org.slf4j.Marker; +import org.slf4j.MarkerFactory; +import org.springframework.http.HttpHeaders; +import org.springframework.http.HttpRequest; +import org.springframework.http.client.ClientHttpRequestExecution; +import org.springframework.http.client.ClientHttpRequestInterceptor; +import org.springframework.http.client.ClientHttpResponse; +import org.springframework.util.StreamUtils; + +public class SpringClientFilter implements ClientHttpRequestInterceptor { + private final Logger logger = LoggerFactory.getLogger(this.getClass()); + private static final String TRACE = "trace-#"; + private MDCSetup mdcSetup = new MDCSetup(); + private final String partnerName; + private static final Marker INVOKE_RETURN = MarkerFactory.getMarker("INVOKE-RETURN"); + + public SpringClientFilter() { + this.partnerName = getPartnerName(); + } + + @Override + public ClientHttpResponse intercept(HttpRequest request, byte[] body, ClientHttpRequestExecution execution) + throws IOException { + processRequest(request, body); + ClientHttpResponse response = execution.execute(request, body); + processResponse(response); + return response; + } + + protected void processRequest(HttpRequest request, byte[] body) throws IOException { + mdcSetup.setInvocationIdFromMDC(); + setupMDC(request); + setupHeaders(request); + if (logger.isDebugEnabled()) { + logger.debug("===========================request begin================================================"); + logger.debug("URI : {}", request.getURI()); + logger.debug("Method : {}", request.getMethod()); + logger.debug("Headers : {}", request.getHeaders()); + logger.debug("Request body: {}", new String(body, StandardCharsets.UTF_8)); + logger.debug("==========================request end================================================"); + } + } + + protected void setupHeaders(HttpRequest clientRequest) { + HttpHeaders headers = clientRequest.getHeaders(); + String requestId = extractRequestID(clientRequest); + headers.add(ONAPLogConstants.Headers.REQUEST_ID, requestId); + headers.add(Constants.HttpHeaders.HEADER_REQUEST_ID, requestId); + headers.add(Constants.HttpHeaders.TRANSACTION_ID, requestId); + headers.add(Constants.HttpHeaders.ECOMP_REQUEST_ID, requestId); + headers.add(ONAPLogConstants.Headers.INVOCATION_ID, MDC.get(ONAPLogConstants.MDCs.INVOCATION_ID)); + headers.add(ONAPLogConstants.Headers.PARTNER_NAME, partnerName); + } + + protected String extractRequestID(HttpRequest clientRequest) { + String requestId = MDC.get(ONAPLogConstants.MDCs.REQUEST_ID); + if (requestId == null || requestId.isEmpty() || requestId.equals(TRACE)) { + requestId = UUID.randomUUID().toString(); + mdcSetup.setLogTimestamp(); + mdcSetup.setElapsedTimeInvokeTimestamp(); + logger.warn("Could not Find Request ID Generating New One: {}", clientRequest.getURI()); + MDC.put(ONAPLogConstants.MDCs.REQUEST_ID, requestId); + } + return requestId; + } + + protected void setupMDC(HttpRequest clientRequest) { + MDC.put(ONAPLogConstants.MDCs.INVOKE_TIMESTAMP, + ZonedDateTime.now(ZoneOffset.UTC).format(DateTimeFormatter.ISO_INSTANT)); + MDC.put(ONAPLogConstants.MDCs.TARGET_SERVICE_NAME, clientRequest.getURI().toString()); + MDC.put(ONAPLogConstants.MDCs.RESPONSE_STATUS_CODE, ONAPLogConstants.ResponseStatus.INPROGRESS.toString()); + MDC.put(ONAPLogConstants.MDCs.TARGET_ENTITY, extractTargetEntity(clientRequest)); + if (MDC.get(ONAPLogConstants.MDCs.SERVICE_NAME) == null) { + MDC.put(ONAPLogConstants.MDCs.SERVICE_NAME, clientRequest.getURI().getPath()); + } + mdcSetup.setServerFQDN(); + } + + protected String extractTargetEntity(HttpRequest clientRequest) { + HttpHeaders headers = clientRequest.getHeaders(); + String headerTargetEntity = null; + List<String> headerTargetEntityList = headers.get(Constants.HttpHeaders.TARGET_ENTITY_HEADER); + if (headerTargetEntityList != null && !headerTargetEntityList.isEmpty()) + headerTargetEntity = headerTargetEntityList.get(0); + String targetEntity = MDC.get(ONAPLogConstants.MDCs.TARGET_ENTITY); + if (targetEntity != null && !targetEntity.isEmpty()) { + return targetEntity; + } else if (headerTargetEntity != null && !headerTargetEntity.isEmpty()) { + targetEntity = headerTargetEntity; + } else { + targetEntity = Constants.DefaultValues.UNKNOWN_TARGET_ENTITY; + logger.warn("Could not Target Entity: {}", clientRequest.getURI()); + } + return targetEntity; + } + + protected void processResponse(ClientHttpResponse response) throws IOException { + if (logger.isDebugEnabled()) { + logger.debug("============================response begin=========================================="); + logger.debug("Status code : {}", response.getStatusCode()); + logger.debug("Status text : {}", response.getStatusText()); + logger.debug("Headers : {}", response.getHeaders()); + logger.debug("Response body: {}", StreamUtils.copyToString(response.getBody(), Charset.defaultCharset())); + logger.debug("=======================response end================================================="); + } + mdcSetup.setLogTimestamp(); + mdcSetup.setElapsedTimeInvokeTimestamp(); + mdcSetup.setResponseStatusCode(response.getRawStatusCode()); + int statusCode = response.getRawStatusCode(); + MDC.put(ONAPLogConstants.MDCs.RESPONSE_CODE, String.valueOf(statusCode)); + mdcSetup.setResponseDescription(statusCode); + logger.info(INVOKE_RETURN, "InvokeReturn"); + mdcSetup.clearClientMDCs(); + } + + protected String getPartnerName() { + PropertyUtil p = new PropertyUtil(); + return p.getProperty(Constants.Property.PARTNER_NAME); + } +} |