Add @WithSpan for tracing LDAP

Author: eirslett

pom.xml

@@ -31,6 +31,13 @@
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
+            <dependency>
+                <groupId>io.opentelemetry</groupId>
+                <artifactId>opentelemetry-bom</artifactId>
+                <version>1.37.0</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
         </dependencies>
     </dependencyManagement>
 
@@ -80,6 +87,43 @@
             <groupId>io.ktor</groupId>
             <artifactId>ktor-metrics-micrometer</artifactId>
         </dependency>
+
+
+        <dependency>
+            <groupId>io.opentelemetry</groupId>
+            <artifactId>opentelemetry-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.opentelemetry.instrumentation</groupId>
+            <artifactId>opentelemetry-instrumentation-annotations</artifactId>
+            <version>2.3.0</version>
+        </dependency>
+
+        <!-- Probably not needed
+        <dependency>
+            <groupId>io.opentelemetry</groupId>
+            <artifactId>opentelemetry-sdk</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.opentelemetry</groupId>
+            <artifactId>opentelemetry-exporter-logging</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.opentelemetry.semconv</groupId>
+            <artifactId>opentelemetry-semconv</artifactId>
+            <version>1.25.0-alpha</version>
+        </dependency>
+
+
+        <dependency>
+          <groupId>io.opentelemetry</groupId>
+          <artifactId>opentelemetry-sdk-extension-autoconfigure</artifactId>
+        </dependency>
+        <dependency>
+          <groupId>io.opentelemetry</groupId>
+          <artifactId>opentelemetry-sdk-extension-autoconfigure-spi</artifactId>
+        </dependency>
+        -->
         <dependency>
             <groupId>io.micrometer</groupId>
             <artifactId>micrometer-registry-prometheus</artifactId>

src/main/kotlin/no/nav/navansatt/ActiveDirectoryClient.kt

@@ -1,8 +1,12 @@
 package no.nav.navansatt
 
+import io.opentelemetry.api.GlobalOpenTelemetry
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 import org.apache.commons.text.StringEscapeUtils
+import io.opentelemetry.api.OpenTelemetry;
+import io.opentelemetry.api.trace.Tracer;
+import io.opentelemetry.instrumentation.annotations.WithSpan
 import org.slf4j.LoggerFactory
 import java.util.Hashtable
 import java.util.regex.Pattern
@@ -41,6 +45,7 @@ class ActiveDirectoryClient(
         }
     }
 
+    @WithSpan
     suspend fun getUsers(idents: List<String>): List<User> = withContext(Dispatchers.IO) {
         val root = InitialLdapContext(env, null)
 
@@ -89,6 +94,7 @@ class ActiveDirectoryClient(
         users
     }
 
+    @WithSpan
     suspend fun getUser(ident: String): User? = withContext(Dispatchers.IO) {
         val root = InitialLdapContext(env, null)