Merge branch 'RED-1137' into 'main'

RED-1137: Do not observe actuator endpoints

See merge request fforesight/tracing-commons!1

pom.xml

@@ -44,6 +44,12 @@
             <artifactId>spring-boot-configuration-processor</artifactId>
             <optional>true</optional>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+            <optional>true</optional>
+            <scope>provided</scope>
+        </dependency>
 
         <!-- Miscellaneous -->
         <dependency>

src/main/java/com/knecon/fforesight/tracing/DefaultTracingAutoConfiguration.java

@@ -1,17 +1,38 @@
 package com.knecon.fforesight.tracing;
 
+import org.springframework.boot.actuate.autoconfigure.tracing.ConditionalOnEnabledTracing;
+import org.springframework.boot.autoconfigure.AutoConfiguration;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.http.server.observation.ServerRequestObservationContext;
+
+import io.micrometer.observation.ObservationPredicate;
 import jakarta.annotation.PostConstruct;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.boot.autoconfigure.AutoConfiguration;
-import org.springframework.context.annotation.ComponentScan;
 
 @Slf4j
 @ComponentScan
 @AutoConfiguration
 public class DefaultTracingAutoConfiguration {
+
     @PostConstruct
     public void postConstruct() {
+
         log.info("Tracing AutoConfiguration Loaded!");
     }
 
+
+    @Bean
+    @ConditionalOnEnabledTracing
+    ObservationPredicate actuatorServerContextPredicate() {
+
+        // There might be a better solution soon: https://github.com/spring-projects/spring-boot/issues/34801
+        return (name, context) -> {
+            if (name.equals("http.server.requests") && context instanceof ServerRequestObservationContext serverContext) {
+                return !serverContext.getCarrier().getRequestURI().startsWith("/actuator");
+            }
+            return true;
+        };
+    }
+
 }