[#1015]add x-trace-id to MDC so that can log trace id in logs (#1016)

Author: liubao68

integration-tests/discovery-tests/price-provider/src/main/resources/logback-spring.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+  ~ Copyright (C) 2020-2022 Huawei Technologies Co., Ltd. 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.
+  -->
+<configuration debug="false">
+  <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+    <encoder>
+      <pattern>%d [%X{x-trace-id}] [%level] [%thread] - %msg (%F:%L\)%n</pattern>
+    </encoder>
+  </appender>
+
+  <root level="INFO">
+    <appender-ref ref="STDOUT"/>
+  </root>
+
+</configuration>

spring-cloud-huawei-common/src/main/java/com/huaweicloud/common/adapters/webmvc/InvocationContextFilter.java

@@ -27,6 +27,8 @@
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
+import org.slf4j.MDC;
+
 import com.huaweicloud.common.configration.dynamic.ContextProperties;
 import com.huaweicloud.common.context.InvocationContext;
 import com.huaweicloud.common.context.InvocationContextHolder;
@@ -61,12 +63,15 @@ public void doFilter(ServletRequest request, ServletResponse response, FilterCha
       context.putContext(InvocationContext.CONTEXT_TRACE_ID, InvocationContext.generateTraceId());
     }
 
+    // Add MDC
+    MDC.put(InvocationContext.CONTEXT_TRACE_ID, context.getContext(InvocationContext.CONTEXT_TRACE_ID));
     InvocationStage stage = context.getInvocationStage();
     stage.begin(buildId((HttpServletRequest) request, context));
     try {
       chain.doFilter(request, response);
     } finally {
       stage.finish(((HttpServletResponse) response).getStatus());
+      MDC.remove(InvocationContext.CONTEXT_TRACE_ID);
     }
   }