Revert "Merge pull request #22065 from vespa-engine/revert-22049-jonmv/unify-hostname-classes"

This reverts commit 4ffc54339186574491a32b3166223c3fc50ba8fe, reversing
changes made to db9e570a36decb24e6cb13f44bd0ff444ab762e3.

2 files changed, 4 insertions, 4 deletions

diff --git a/configserver/src/main/java/com/yahoo/vespa/config/server/deploy/ModelContextImpl.java b/configserver/src/main/java/com/yahoo/vespa/config/server/deploy/ModelContextImpl.java
index fe9ab82637f..91bdc3e5fa8 100644
--- a/configserver/src/main/java/com/yahoo/vespa/config/server/deploy/ModelContextImpl.java
+++ b/configserver/src/main/java/com/yahoo/vespa/config/server/deploy/ModelContextImpl.java
@@ -21,10 +21,10 @@ import com.yahoo.config.provision.ApplicationId;
 import com.yahoo.config.provision.AthenzDomain;
 import com.yahoo.config.provision.ClusterSpec;
 import com.yahoo.config.provision.DockerImage;
-import com.yahoo.config.provision.HostName;
 import com.yahoo.config.provision.TenantName;
 import com.yahoo.config.provision.Zone;
 import com.yahoo.container.jdisc.secretstore.SecretStore;
+import com.yahoo.net.HostName;
 import com.yahoo.vespa.config.server.tenant.SecretStoreExternalIdRetriever;
 import com.yahoo.vespa.flags.FetchVector;
 import com.yahoo.vespa.flags.FlagSource;
@@ -398,7 +398,7 @@ public class ModelContextImpl implements ModelContext {
             this.applicationId = applicationId;
             this.multitenant = configserverConfig.multitenant() || configserverConfig.hostedVespa() || Boolean.getBoolean("multitenant");
             this.configServerSpecs = fromConfig(configserverConfig);
-            this.loadBalancerName = HostName.from(configserverConfig.loadBalancerAddress());
+            this.loadBalancerName = configserverConfig.loadBalancerAddress().isEmpty() ? null : HostName.of(configserverConfig.loadBalancerAddress());
             this.ztsUrl = configserverConfig.ztsUrl() != null ? URI.create(configserverConfig.ztsUrl()) : null;
             this.athenzDnsSuffix = configserverConfig.athenzDnsSuffix();
             this.hostedVespa = configserverConfig.hostedVespa();
diff --git a/configserver/src/test/java/com/yahoo/vespa/config/server/rpc/security/MultiTenantRpcAuthorizerTest.java b/configserver/src/test/java/com/yahoo/vespa/config/server/rpc/security/MultiTenantRpcAuthorizerTest.java
index 30d3dcffc30..c0392f12e8a 100644
--- a/configserver/src/test/java/com/yahoo/vespa/config/server/rpc/security/MultiTenantRpcAuthorizerTest.java
+++ b/configserver/src/test/java/com/yahoo/vespa/config/server/rpc/security/MultiTenantRpcAuthorizerTest.java
@@ -5,7 +5,7 @@ import com.yahoo.cloud.config.LbServicesConfig;
 import com.yahoo.cloud.config.SentinelConfig;
 import com.yahoo.config.FileReference;
 import com.yahoo.config.provision.ApplicationId;
-import com.yahoo.config.provision.HostName;
+import com.yahoo.net.HostName;
 import com.yahoo.config.provision.NodeType;
 import com.yahoo.config.provision.security.NodeIdentifier;
 import com.yahoo.config.provision.security.NodeIdentifierException;
@@ -56,7 +56,7 @@ public class MultiTenantRpcAuthorizerTest {
     private static final List<X509Certificate> PEER_CERTIFICATE_CHAIN = List.of(createDummyCertificate());
     private static final ApplicationId APPLICATION_ID = ApplicationId.from("mytenant", "myapplication", "default");
     private static final ApplicationId EVIL_APP_ID = ApplicationId.from("malice", "malice-app", "default");
-    private static final HostName HOSTNAME = HostName.from("myhostname");
+    private static final HostName HOSTNAME = HostName.of("myhostname");
     private static final FileReference FILE_REFERENCE = new FileReference("myfilereference");
 
     @SuppressWarnings("deprecation")