fix: initialize metrics client for connector builder server (#14872)

airbyte-connector-builder-server/src/main/java/io/airbyte/connector_builder/config/MetricClientFactory.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2020-2024 Airbyte, Inc., all rights reserved.
+ */
+
+package io.airbyte.connector_builder.config;
+
+import io.airbyte.metrics.lib.MetricClient;
+import io.airbyte.metrics.lib.MetricEmittingApps;
+import io.micronaut.context.annotation.Factory;
+import io.micronaut.context.annotation.Replaces;
+import jakarta.inject.Singleton;
+
+/**
+ * Micronaut singleton factory for the creation and initialization of the {@link MetricClient}.
+ */
+@Factory
+public class MetricClientFactory {
+
+  /**
+   * Creates and initializes the {@link MetricClient}.
+   *
+   * @return The initialized {@link MetricClient}.
+   */
+  @Singleton
+  @Replaces(MetricClient.class)
+  public MetricClient metricClient() {
+    // Initialize the metric client
+    io.airbyte.metrics.lib.MetricClientFactory.initialize(MetricEmittingApps.CONNECTOR_BUILDER_SERVER);
+    return io.airbyte.metrics.lib.MetricClientFactory.getMetricClient();
+  }
+
+}

airbyte-metrics/metrics-lib/src/main/java/io/airbyte/metrics/lib/MetricEmittingApps.java

@@ -31,7 +31,8 @@ public enum MetricEmittingApps implements MetricEmittingApp {
   WORKER("worker"),
   WORKLOAD_API("workload-api"),
   WORKLOAD_INIT("workload-init"),
-  WORKLOAD_LAUNCHER("workload-launcher");
+  WORKLOAD_LAUNCHER("workload-launcher"),
+  CONNECTOR_BUILDER_SERVER("connector-builder-server");
 
   private final String applicationName;