(common) Log info about metrics server

code/common/service/java/nu/marginalia/service/module/ServiceConfigurationModule.java

@@ -121,6 +121,7 @@ public class ServiceConfigurationModule extends AbstractModule {
 
         while (nets.hasMoreElements()) {
             NetworkInterface netif = nets.nextElement();
+            logger.info("Considering network interface {}:  Up? {},  Loopback? {}", netif.getDisplayName(), netif.isUp(), netif.isLoopback());
             if (!netif.isUp() || netif.isLoopback()) {
                 continue;
             }
@@ -128,6 +129,7 @@ public class ServiceConfigurationModule extends AbstractModule {
             Enumeration<InetAddress> inetAddresses = netif.getInetAddresses();
             while (inetAddresses.hasMoreElements()) {
                 InetAddress addr = inetAddresses.nextElement();
+                logger.info("Considering address {}: SiteLocal? {}, Loopback? {}", addr.getHostAddress(), addr.isSiteLocalAddress(), addr.isLoopbackAddress());
                 if (addr.isSiteLocalAddress() && !addr.isLoopbackAddress()) {
                     return addr.getHostAddress();
                 }

code/common/service/java/nu/marginalia/service/server/MetricsServer.java

@@ -13,7 +13,7 @@ import java.net.InetSocketAddress;
 
 public class MetricsServer {
 
-    private static Logger logger = LoggerFactory.getLogger(MetricsServer.class);
+    private static final Logger logger = LoggerFactory.getLogger(MetricsServer.class);
 
     @Inject
     public MetricsServer(ServiceConfiguration configuration) {
@@ -30,6 +30,8 @@ public class MetricsServer {
 
             context.addServlet(new ServletHolder(new MetricsServlet()), "/metrics");
 
+            logger.info("MetricsServer listening on {}:{}", configuration.bindAddress(), configuration.metricsPort());
+
             server.start();
         }
         catch (Exception|NoSuchMethodError ex) {