1 files changed, 128 insertions, 0 deletions
diff --git a/reference/logging-filter/logging-filter-base/src/main/java/org/onap/logging/filter/base/MetricLogClientFilter.java b/reference/logging-filter/logging-filter-base/src/main/java/org/onap/logging/filter/base/MetricLogClientFilter.java
new file mode 100644
index 0000000..8533456
--- /dev/null
+++ b/reference/logging-filter/logging-filter-base/src/main/java/org/onap/logging/filter/base/MetricLogClientFilter.java
@@ -0,0 +1,128 @@
+/*-
+ * ============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.base;
+
+import java.time.ZoneOffset;
+import java.time.ZonedDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.UUID;
+import javax.annotation.Priority;
+import javax.ws.rs.client.ClientRequestContext;
+import javax.ws.rs.client.ClientRequestFilter;
+import javax.ws.rs.client.ClientResponseContext;
+import javax.ws.rs.client.ClientResponseFilter;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.MultivaluedMap;
+import javax.ws.rs.ext.Providers;
+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;
+
+@Priority(0)
+public class MetricLogClientFilter implements ClientRequestFilter, ClientResponseFilter {
+
+    @Context
+    private Providers providers;
+    private MDCSetup mdcSetup = new MDCSetup();
+    private static final String TRACE = "trace-#";
+    private static Logger logger = LoggerFactory.getLogger(MetricLogClientFilter.class);
+    private final String partnerName;
+    private static final Marker INVOKE_RETURN = MarkerFactory.getMarker("INVOKE-RETURN");
+
+    public MetricLogClientFilter() {
+        partnerName = getPartnerName();
+    }
+
+    @Override
+    public void filter(ClientRequestContext clientRequest) {
+        try {
+            setupMDC(clientRequest);
+            setupHeaders(clientRequest);
+            logger.info(ONAPLogConstants.Markers.INVOKE, "Invoke");
+        } catch (Exception e) {
+            logger.warn("Error in JAX-RS client request filter", e);
+        }
+    }
+
+    protected void setupHeaders(ClientRequestContext clientRequest) {
+        MultivaluedMap<String, Object> 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 void setupMDC(ClientRequestContext 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());
+        mdcSetup.setInvocationIdFromMDC();
+        String targetEntity = MDC.get(ONAPLogConstants.MDCs.TARGET_ENTITY);
+        if (targetEntity != null) {
+            MDC.put(ONAPLogConstants.MDCs.TARGET_ENTITY, targetEntity);
+        } else {
+            MDC.put(ONAPLogConstants.MDCs.TARGET_ENTITY, Constants.DefaultValues.UNKNOWN_TARGET_ENTITY);
+        }
+        if (MDC.get(ONAPLogConstants.MDCs.SERVICE_NAME) == null) {
+            MDC.put(ONAPLogConstants.MDCs.SERVICE_NAME, clientRequest.getUri().getPath());
+        }
+        mdcSetup.setServerFQDN();
+    }
+
+    protected String extractRequestID(ClientRequestContext 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().getPath());
+            MDC.put(ONAPLogConstants.MDCs.REQUEST_ID, requestId);
+        }
+        return requestId;
+    }
+
+    @Override
+    public void filter(ClientRequestContext requestContext, ClientResponseContext responseContext) {
+        try {
+            mdcSetup.setLogTimestamp();
+            mdcSetup.setElapsedTimeInvokeTimestamp();
+            mdcSetup.setResponseStatusCode(responseContext.getStatus());
+            mdcSetup.setResponseDescription(responseContext.getStatus());
+            MDC.put(ONAPLogConstants.MDCs.RESPONSE_CODE, String.valueOf(responseContext.getStatus()));
+            logger.info(INVOKE_RETURN, "InvokeReturn");
+            mdcSetup.clearClientMDCs();
+        } catch (Exception e) {
+            logger.warn("Error in JAX-RS request,response client filter", e);
+        }
+    }
+
+    protected String getPartnerName() {
+        PropertyUtil p = new PropertyUtil();
+        return p.getProperty(Constants.Property.PARTNER_NAME);
+    }
+}