Support 'exclusive' node attribute for content clusters

3 files changed, 27 insertions, 2 deletions

diff --git a/config-model/src/main/java/com/yahoo/vespa/model/builder/xml/dom/NodesSpecification.java b/config-model/src/main/java/com/yahoo/vespa/model/builder/xml/dom/NodesSpecification.java
index 8f737f02dca..526e88749fc 100644
--- a/config-model/src/main/java/com/yahoo/vespa/model/builder/xml/dom/NodesSpecification.java
+++ b/config-model/src/main/java/com/yahoo/vespa/model/builder/xml/dom/NodesSpecification.java
@@ -36,10 +36,10 @@ public class NodesSpecification {
     private final boolean dedicated;
 
     /** The Vespa version we want the nodes to run */
-    private Version version;
+    private final Version version;
 
     /** 
-     * Whether the capacity amount specified is required or can it be relaxed 
+     * Whether the capacity amount specified is required or can be relaxed
      * at the discretion of the component fulfilling it
      */
     private final boolean required;
diff --git a/config-model/src/main/resources/schema/content.rnc b/config-model/src/main/resources/schema/content.rnc
index 481d82ebb4b..5646bc72056 100644
--- a/config-model/src/main/resources/schema/content.rnc
+++ b/config-model/src/main/resources/schema/content.rnc
@@ -225,6 +225,7 @@ ContentNodes = element nodes {
         attribute count { xsd:positiveInteger | xsd:string } &
         attribute flavor { xsd:string }? &
         attribute required { xsd:boolean }? &
+        attribute exclusive { xsd:boolean }? &
         attribute docker-image { xsd:string }? &
         attribute groups { xsd:positiveInteger | xsd:string }?
       )
diff --git a/config-model/src/test/java/com/yahoo/config/model/provision/ModelProvisioningTest.java b/config-model/src/test/java/com/yahoo/config/model/provision/ModelProvisioningTest.java
index e3a53c8c4f1..02f8c7f420c 100644
--- a/config-model/src/test/java/com/yahoo/config/model/provision/ModelProvisioningTest.java
+++ b/config-model/src/test/java/com/yahoo/config/model/provision/ModelProvisioningTest.java
@@ -1142,6 +1142,30 @@ public class ModelProvisioningTest {
     }
 
     @Test
+    public void testExclusiveNodes() {
+        String services =
+                "<?xml version='1.0' encoding='utf-8' ?>\n" +
+                "<services>" +
+                "<container version='1.0' id='container'>" +
+                "      <nodes count='2' exclusive='true'/>" +
+                "   </container>" +
+                "  <content version='1.0' id='bar'>" +
+                "     <redundancy>1</redundancy>" +
+                "     <documents>" +
+                "       <document type='type1' mode='index'/>" +
+                "     </documents>" +
+                "     <nodes count='3' exclusive='true'/>" +
+                "  </content>" +
+                "</services>";
+
+        int numberOfHosts = 5;
+        VespaModelTester tester = new VespaModelTester();
+        tester.addHosts(numberOfHosts);
+        VespaModel model = tester.createModel(services, false);
+        model.hostSystem().getHosts().forEach(host -> assertTrue(host.spec().membership().get().cluster().isExclusive()));
+    }
+
+    @Test
     public void testUsingNodesCountAttributesAndGettingJustOneNode() {
         String services =
                 "<?xml version='1.0' encoding='utf-8' ?>\n" +