Create global routing policy with legacy syntax

2 files changed, 26 insertions, 1 deletions

diff --git a/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/routing/RoutingPolicies.java b/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/routing/RoutingPolicies.java
index abd4770ea0d..9678c42d31f 100644
--- a/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/routing/RoutingPolicies.java
+++ b/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/routing/RoutingPolicies.java
@@ -289,12 +289,16 @@ public class RoutingPolicies {
             if (instanceSpec.isEmpty()) {
                 return Set.of();
             }
+            if (instanceSpec.get().globalServiceId().filter(id -> id.equals(loadBalancer.cluster().value())).isPresent()) {
+                // Legacy assignment always has the default endpoint Id
+                return Set.of(EndpointId.defaultId());
+            }
             return instanceSpec.get().endpoints().stream()
                                .filter(endpoint -> endpoint.containerId().equals(loadBalancer.cluster().value()))
                                .filter(endpoint -> endpoint.regions().contains(deployment.zoneId().region()))
                                .map(com.yahoo.config.application.api.Endpoint::endpointId)
                                .map(EndpointId::of)
-                               .collect(Collectors.toSet());
+                               .collect(Collectors.toUnmodifiableSet());
         }
 
     }
diff --git a/controller-server/src/test/java/com/yahoo/vespa/hosted/controller/routing/RoutingPoliciesTest.java b/controller-server/src/test/java/com/yahoo/vespa/hosted/controller/routing/RoutingPoliciesTest.java
index 56fb7194e4e..a026a3c75a2 100644
--- a/controller-server/src/test/java/com/yahoo/vespa/hosted/controller/routing/RoutingPoliciesTest.java
+++ b/controller-server/src/test/java/com/yahoo/vespa/hosted/controller/routing/RoutingPoliciesTest.java
@@ -138,6 +138,27 @@ public class RoutingPoliciesTest {
     }
 
     @Test
+    public void global_routing_policies_legacy_global_service_id() {
+        var tester = new RoutingPoliciesTester();
+        var context = tester.newDeploymentContext("tenant1", "app1", "default");
+        int clustersPerZone = 2;
+        int numberOfDeployments = 2;
+        var applicationPackage = applicationPackageBuilder()
+                .region(zone1.region())
+                .region(zone2.region())
+                .globalServiceId("c0")
+                .build();
+        tester.provisionLoadBalancers(clustersPerZone, context.instanceId(), zone1, zone2);
+
+        // Creates alias records
+        context.submit(applicationPackage).deferLoadBalancerProvisioningIn(Environment.prod).deploy();
+        tester.assertTargets(context.instanceId(), EndpointId.defaultId(), 0, zone1, zone2);
+        assertEquals("Routing policy count is equal to cluster count",
+                     numberOfDeployments * clustersPerZone,
+                     tester.policiesOf(context.instance().id()).size());
+    }
+
+    @Test
     public void zone_routing_policies() {
         zone_routing_policies(false);
         zone_routing_policies(true);