only consider port free it was unused in saved allocations too

1 files changed, 4 insertions, 0 deletions

diff --git a/config-model/src/main/java/com/yahoo/vespa/model/PortFinder.java b/config-model/src/main/java/com/yahoo/vespa/model/PortFinder.java
index 78d3a7670c7..5604dfa19b0 100644
--- a/config-model/src/main/java/com/yahoo/vespa/model/PortFinder.java
+++ b/config-model/src/main/java/com/yahoo/vespa/model/PortFinder.java
@@ -51,6 +51,10 @@ public class PortFinder {
         return port;
     }
 
+    public boolean isFree(int port) {
+        return !byPorts.containsKey(port);
+    }
+
     public PortFinder(Collection<Allocation> allocations) {
         for (Allocation a : allocations) {
             use(a);