new configuation key for setting debug log level
MODIFY
dd-java-agent/src/main/java/datadog/trace/agent/TracingAgent.java
dd-java-agent/src/main/java/datadog/trace/agent/TracingAgent.java
@@ -145,6 +145,11 @@ public class TracingAgent {
setSystemPropertyDefault(SIMPLE_LOGGER_SHOW_DATE_TIME_PROPERTY, "true");
setSystemPropertyDefault(
SIMPLE_LOGGER_DATE_TIME_FORMAT_PROPERTY, SIMPLE_LOGGER_DATE_TIME_FORMAT_DEFAULT);
+
+ final boolean debugEnabled = isDebugMode();
+ if (debugEnabled) {
+ setSystemPropertyDefault(SIMPLE_LOGGER_DEFAULT_LOG_LEVEL_PROPERTY, "DEBUG");
+ }
}
private static void setSystemPropertyDefault(final String property, final String value) {
@@ -285,6 +290,28 @@ public class TracingAgent {
return (ClassLoader) method.invoke(null);
}
+ /**
+ * Determine if we should log in debug level according to dd.trace.debug
+ *
+ * @return true if we should
+ */
+ private static boolean isDebugMode() {
+ final String tracerDebugLevelSysprop = "dd.trace.debug";
+ final String tracerDebugLevelProp = System.getProperty(tracerDebugLevelSysprop);
+
+ if (tracerDebugLevelProp != null) {
+ return Boolean.parseBoolean(tracerDebugLevelProp);
+ }
+
+ final String tracerDebugLevelEnv =
+ System.getenv(tracerDebugLevelSysprop.replace('.', '_').toUpperCase());
+
+ if (tracerDebugLevelEnv != null) {
+ return Boolean.parseBoolean(tracerDebugLevelEnv);
+ }
+ return false;
+ }
+
/**
* Search for java or datadog-tracer sysprops which indicate that a custom log manager will be
* used. Also search for any app classes known to set a custom log manager.
@@ -292,8 +319,13 @@ public class TracingAgent {
* @return true if we detect a custom log manager being used.
*/
private static boolean isAppUsingCustomLogManager() {
- final boolean debugEnabled =
+ boolean debugEnabled = false;
+ if (System.getProperty(SIMPLE_LOGGER_DEFAULT_LOG_LEVEL_PROPERTY) != null) {
+ debugEnabled =
"debug".equalsIgnoreCase(System.getProperty(SIMPLE_LOGGER_DEFAULT_LOG_LEVEL_PROPERTY));
+ } else {
+ debugEnabled = isDebugMode();
+ }
final String tracerCustomLogManSysprop = "dd.app.customlogmanager";
final String customLogManagerProp = System.getProperty(tracerCustomLogManSysprop);

new configuation key for setting debug log level