Added file appender for traces

heimdall-core/src/main/java/br/com/conductor/heimdall/core/environment/Property.java

@@ -162,8 +162,16 @@ public class Mongo {
      @Data
      public class Trace {
           private boolean printAllTrace = false;
+          private File file = new File();
           private List<String> sanitizes = new ArrayList<>();
      }
+
+     @Data
+     public class File {
+          private boolean enabled = true;
+          private String pattern = "%m%n%rEx";
+          private String path = "/tmp/logs/trace.log";
+     }
 
      private Middlewares middlewares = new Middlewares();
 

heimdall-gateway/src/main/java/br/com/conductor/heimdall/gateway/configuration/LogConfiguration.java

@@ -21,11 +21,11 @@
 
 import br.com.conductor.heimdall.core.environment.Property;
 import br.com.conductor.heimdall.gateway.appender.MongoDBAppender;
-import ch.qos.logback.classic.AsyncAppender;
-import ch.qos.logback.classic.Logger;
-import ch.qos.logback.classic.LoggerContext;
+import ch.qos.logback.classic.*;
+import ch.qos.logback.classic.filter.ThresholdFilter;
 import ch.qos.logback.classic.spi.ILoggingEvent;
 import ch.qos.logback.core.Appender;
+import ch.qos.logback.core.FileAppender;
 import net.logstash.logback.appender.LogstashTcpSocketAppender;
 import net.logstash.logback.encoder.LogstashEncoder;
 import org.slf4j.LoggerFactory;
@@ -106,6 +106,36 @@ public void onStartUp() {
 			logger.addAppender(appender);
 
 		}
+
+		if (property.getTrace().getFile().isEnabled()) {
+
+			Logger logger = (Logger) LoggerFactory.getLogger("trace");
+			logger.setAdditive(false);
+
+			ThresholdFilter filter = new ThresholdFilter();
+			filter.setLevel(Level.ALL.levelStr);
+			filter.start();
+
+			PatternLayout layout = new PatternLayout();
+			layout.setOutputPatternAsHeader(false);
+			layout.setPattern(property.getTrace().getFile().getPattern());
+			layout.setContext(lc);
+			layout.start();
+
+			FileAppender<ILoggingEvent> fileAppender = new FileAppender<>();
+			fileAppender.setFile(property.getTrace().getFile().getPath());
+			fileAppender.setContext(lc);
+			fileAppender.setLayout(layout);
+			fileAppender.start();
+
+			final AsyncAppender asyncAppender = new AsyncAppender();
+			asyncAppender.setContext(lc);
+			asyncAppender.addAppender(fileAppender);
+			asyncAppender.addFilter(filter);
+			asyncAppender.start();
+
+			logger.addAppender(asyncAppender);
+		}
 	}
 
 }

heimdall-gateway/src/main/java/br/com/conductor/heimdall/gateway/configuration/TraceFilter.java

@@ -84,7 +84,7 @@ public void doFilter(ServletRequest request, ServletResponse res, FilterChain ch
 		try {
 
 			trace = TraceContextHolder.getInstance().init(prop.getTrace().isPrintAllTrace(), profile, request,
-			prop.getMongo().getEnabled(), prop.getLogstash().getEnabled(), buildProperties.getVersion());
+			prop.getMongo().getEnabled(), prop.getLogstash().getEnabled(), prop.getTrace().getFile().isEnabled(), buildProperties.getVersion());
 			if (shouldDisableTrace(request)) {
 				trace.setShouldPrint(false);
 			}

heimdall-gateway/src/main/java/br/com/conductor/heimdall/gateway/trace/Trace.java

@@ -65,6 +65,8 @@ public class Trace {
 
 	 private static final Logger logstash = LoggerFactory.getLogger("logstash");
 
+	 private static final Logger traceLog = LoggerFactory.getLogger("trace");
+
      private String method;
 
      private String url;
@@ -126,6 +128,9 @@ public class Trace {
 
      @JsonIgnore
      private boolean printLogstash;
+
+     @JsonIgnore
+     private boolean traceInFile;
 
      private String version;
 
@@ -141,13 +146,14 @@ public Trace() {
       * @param printMongo
       * @param printLogstash
       */
-     public Trace(boolean printAllTrace, String profile, ServletRequest servletRequest, boolean printMongo, boolean printLogstash){
+     public Trace(boolean printAllTrace, String profile, ServletRequest servletRequest, boolean printMongo, boolean printLogstash, boolean traceInFile){
 
           this.shouldPrint = true;
           this.profile = profile;
           this.printAllTrace = printAllTrace;
           this.printMongo = printMongo;
           this.printLogstash = printLogstash;
+          this.traceInFile = traceInFile;
           HttpServletRequest request = (HttpServletRequest) servletRequest;
           HeimdallException.checkThrow(request == null, ExceptionMessage.GLOBAL_REQUEST_NOT_FOUND);
 
@@ -180,8 +186,8 @@ public Trace(boolean printAllTrace, String profile, ServletRequest servletReques
       * @param printLogstash
       * @param version
       */
-     public Trace(boolean printAllTrace, String profile, ServletRequest servletRequest, boolean printMongo, boolean printLogstash, String version) {
-    	 this(printAllTrace, profile, servletRequest, printMongo, printLogstash);
+     public Trace(boolean printAllTrace, String profile, ServletRequest servletRequest, boolean printMongo, boolean printLogstash, boolean traceInFile, String version) {
+    	 this(printAllTrace, profile, servletRequest, printMongo, printLogstash, traceInFile);
     	 this.version = version;
      }
 
@@ -292,6 +298,10 @@ private void prepareLog(Integer statusCode) throws JsonProcessingException {
           if (printLogstash) {
         	  printInLogger(logstash, statusCode);
           }
+
+          if (traceInFile) {
+               printInLogger(traceLog, statusCode);
+          }
      }
 
      private void printInLogger(Logger logger, Integer statusCode) throws JsonProcessingException {

heimdall-gateway/src/main/java/br/com/conductor/heimdall/gateway/trace/TraceContextHolder.java

@@ -74,10 +74,10 @@ public static TraceContextHolder getInstance() {
       * @param version 
       * @return					{@link Trace}
       */
-     public Trace init(boolean printAllTrace, String profile, ServletRequest request, boolean printMongo, boolean printLogstash, String version) {
+     public Trace init(boolean printAllTrace, String profile, ServletRequest request, boolean printMongo, boolean printLogstash, boolean traceInFile,  String version) {
           String uuid = UUID.randomUUID().toString();
           contextHolder.set(uuid);
-          traceMap.put(uuid, new Trace(printAllTrace, profile, request, printMongo, printLogstash, version));
+          traceMap.put(uuid, new Trace(printAllTrace, profile, request, printMongo, printLogstash, traceInFile, version));
 
           log.debug("Initializing TraceContext with ID: {}", uuid);
           return getActualTrace();

heimdall-gateway/src/main/resources/application.yml

@@ -55,6 +55,10 @@ heimdall:
         zoneId: America/Sao_Paulo
     trace:
         printAllTrace: true
+        file:
+            enabled: true
+            pattern: "%-5level %d{dd/MM/yyyy HH:mm:ss.SSS} [%t] - %msg%n%rEx"
+            path: /tmp/logs/trace.log
         sanitizes:
             - access_token
             - client_id

heimdall-gateway/src/test/java/br/com/conductor/heimdall/gateway/filter/HeimdallDecorationFilterTest.java

@@ -80,7 +80,7 @@ public void init() {
         this.ctx.clear();
         this.ctx.setRequest(this.request);
         this.ctx.setResponse(this.response);
-        TraceContextHolder.getInstance().init(true, "developer", this.request, false, false, "");
+        TraceContextHolder.getInstance().init(true, "developer", this.request, false, false, false,"");
     }
 
     @Test

heimdall-gateway/src/test/java/br/com/conductor/heimdall/gateway/filter/ScopesFilterTest.java

@@ -75,7 +75,7 @@ public void init() {
         context.setRequest(this.request);
         context.setResponse(this.response);
         context.setResponseStatusCode(HttpStatus.OK.value());
-        TraceContextHolder.getInstance().init(true, "developer", this.request, false, false, "");
+        TraceContextHolder.getInstance().init(true, "developer", this.request, false, false, false, "");
 
     }
 

heimdall-gateway/src/test/java/br/com/conductor/heimdall/gateway/service/ClientIdInterceptorServiceTest.java

@@ -80,7 +80,7 @@ public void initTest() {
         ctx.clear();
         ctx.setRequest(this.request);
         ctx.setResponse(this.response);
-        TraceContextHolder.getInstance().init(true, "developer", request, false, false, "");
+        TraceContextHolder.getInstance().init(true, "developer", request, false, false, false, "");
 
         clientId = "simpleId";
         someOtherClientId = "someOtherClientId";

heimdall-gateway/src/test/java/br/com/conductor/heimdall/gateway/service/LogMaskerServiceTest.java

@@ -46,7 +46,7 @@ public class LogMaskerServiceTest {
     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
-        TraceContextHolder.getInstance().init(true, "developer", new MockHttpServletRequest(), false, false, "");
+        TraceContextHolder.getInstance().init(true, "developer", new MockHttpServletRequest(), false, false, false,"");
 
         Map<String, String> headers = new HashMap<>();
         headers.put("connection", "Keep-alive");