chore: legger inn en felles opentelemetry wrapper (#1401)

* chore: legger inn en felles opentelemetry wrapper

* bump bom og bruk otel versjon fra bom

felles/log/pom.xml

@@ -25,5 +25,9 @@
             <groupId>io.micrometer</groupId>
             <artifactId>micrometer-registry-prometheus</artifactId>
         </dependency>
+        <dependency>
+            <groupId>io.opentelemetry</groupId>
+            <artifactId>opentelemetry-api</artifactId>
+        </dependency>
     </dependencies>
 </project>

felles/log/src/main/java/no/nav/vedtak/log/tracing/OtelSpanWrapper.java

@@ -0,0 +1,88 @@
+package no.nav.vedtak.log.tracing;
+
+import java.util.concurrent.Callable;
+import java.util.function.Supplier;
+import java.util.function.UnaryOperator;
+
+import io.opentelemetry.api.GlobalOpenTelemetry;
+import io.opentelemetry.api.trace.Span;
+import io.opentelemetry.api.trace.SpanBuilder;
+import io.opentelemetry.api.trace.StatusCode;
+import io.opentelemetry.api.trace.Tracer;
+
+/**
+ * Gir mulighet for å opprette opentelemetry traces og spans i biblioteker og applikasjoner.
+ */
+public class OtelSpanWrapper {
+    private final Tracer tracer;
+
+    public static OtelSpanWrapper forApplikasjon() {
+        var tracer = GlobalOpenTelemetry.getTracer("application");
+        return new OtelSpanWrapper(tracer);
+    }
+
+    public static OtelSpanWrapper forBibliotek(String libraryName, String libraryVersion) {
+        var tracer = GlobalOpenTelemetry.getTracer(libraryName, libraryVersion);
+        return new OtelSpanWrapper(tracer);
+    }
+
+    public OtelSpanWrapper(Tracer tracer) {
+        this.tracer = tracer;
+    }
+
+    public <V> V span(String navn,
+                      UnaryOperator<SpanBuilder> spanBuilderTransformer,
+                      Supplier<V> supplier) {
+        var span = startSpan(navn, spanBuilderTransformer);
+        try (var unused = span.makeCurrent()) {
+            return supplier.get();
+        } catch (RuntimeException e) {
+            span.recordException(e);
+            span.setStatus(StatusCode.ERROR, e.getClass().getSimpleName());
+            throw e;
+        } finally {
+            span.end();
+        }
+    }
+
+    public <E extends Exception> void span(String navn,
+                                           UnaryOperator<SpanBuilder> spanBuilderTransformer,
+                                           RunnableWithException<E> runnable) throws E {
+        var span = startSpan(navn, spanBuilderTransformer);
+        try (var unused = span.makeCurrent()) {
+            runnable.run();
+        } catch (Exception e) {
+            span.recordException(e);
+            span.setStatus(StatusCode.ERROR, e.getClass().getSimpleName());
+            throw e;
+        } finally {
+            span.end();
+        }
+    }
+
+    public <V> V span(String navn,
+                      UnaryOperator<SpanBuilder> spanBuilderTransformer,
+                      Callable<V> runnable) throws Exception {
+        var span = startSpan(navn, spanBuilderTransformer);
+        try (var unused = span.makeCurrent()) {
+            return runnable.call();
+        } catch (Exception e) {
+            span.recordException(e);
+            span.setStatus(StatusCode.ERROR, e.getClass().getSimpleName());
+            throw e;
+        } finally {
+            span.end();
+        }
+    }
+
+    private Span startSpan(String navn, UnaryOperator<SpanBuilder> spanBuilderTransformer) {
+        var spanBuilder = tracer.spanBuilder(navn);
+        spanBuilder = spanBuilderTransformer.apply(spanBuilder);
+        return spanBuilder.startSpan();
+    }
+
+    @FunctionalInterface
+    public interface RunnableWithException<E extends Exception> {
+        void run() throws E;
+    }
+}

pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>no.nav.foreldrepenger.felles</groupId>
         <artifactId>fp-bom</artifactId>
-        <version>3.5.2</version>
+        <version>3.6.0</version>
     </parent>
 
     <artifactId>felles-root</artifactId>
@@ -33,7 +33,7 @@
             <dependency>
                 <groupId>no.nav.foreldrepenger.felles</groupId>
                 <artifactId>fp-bom</artifactId>
-                <version>3.5.2</version>
+                <version>3.6.0</version>
                 <scope>import</scope>
                 <type>pom</type>
             </dependency>