1 files changed, 14 insertions, 2 deletions
diff --git a/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/versions/OsVersionTarget.java b/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/versions/OsVersionTarget.java
index a8fcb6c78fc..1c27058a6ef 100644
--- a/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/versions/OsVersionTarget.java
+++ b/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/versions/OsVersionTarget.java
@@ -1,16 +1,18 @@
 // Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
 package com.yahoo.vespa.hosted.controller.versions;
 
+import com.yahoo.component.Version;
+
 import java.time.Duration;
 import java.time.Instant;
 import java.util.Objects;
 
 /**
- * An {@link OsVersion} and its upgrade budget.
+ * The OS version target for a cloud/system, containing the {@link OsVersion} and its upgrade budget.
  *
  * @author mpolden
  */
-public class OsVersionTarget implements Comparable<OsVersionTarget> {
+public class OsVersionTarget implements VersionTarget, Comparable<OsVersionTarget> {
 
     // WARNING: Since there are multiple servers in a ZooKeeper cluster and they upgrade one by one
     //          (and rewrite all nodes on startup), changes to the serialized format must be made
@@ -63,4 +65,14 @@ public class OsVersionTarget implements Comparable<OsVersionTarget> {
         return osVersion.compareTo(o.osVersion);
     }
 
+    @Override
+    public Version version() {
+        return osVersion.version();
+    }
+
+    @Override
+    public boolean downgrade() {
+        return false; // Not supported by this target type
+    }
+
 }