Provision config servers dynamically

1 files changed, 12 insertions, 0 deletions

diff --git a/config-provisioning/src/main/java/com/yahoo/config/provision/NodeType.java b/config-provisioning/src/main/java/com/yahoo/config/provision/NodeType.java
index e356ee06ac6..63ad6ae1237 100644
--- a/config-provisioning/src/main/java/com/yahoo/config/provision/NodeType.java
+++ b/config-provisioning/src/main/java/com/yahoo/config/provision/NodeType.java
@@ -75,4 +75,16 @@ public enum NodeType {
     public boolean canRun(NodeType type) {
         return childNodeTypes.contains(type);
     }
+
+    /** Returns the host type of this */
+    public NodeType hostType() {
+        if (isHost()) return this;
+        for (NodeType nodeType : values()) {
+            if (nodeType.childNodeTypes.size() == 1 && nodeType.canRun(this)) {
+                return nodeType;
+            }
+        }
+        throw new IllegalArgumentException("No host of " + this + " exists");
+    }
+
 }