[Bugfix] [Platform] Fix topology for Gateways (#1997)

Author: ajanikow

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## [master](https://github.com/arangodb/kube-arangodb/tree/master) (N/A)
 - (Bugfix) (Platform) Fix Container Resource Adjustments
 - (Bugfix) (Platform) Fix LM CLI Option
+- (Bugfix) (Platform) Fix topology for Gateways
 
 ## [1.3.2](https://github.com/arangodb/kube-arangodb/tree/1.3.2) (2025-11-20)
 - (Bugfix) (Platform) Increase memory limit for Inventory

pkg/deployment/resources/pod_creator_gateway_pod.go

@@ -32,6 +32,7 @@ import (
 	schedulerApi "github.com/arangodb/kube-arangodb/pkg/apis/scheduler/v1beta1"
 	shared "github.com/arangodb/kube-arangodb/pkg/apis/shared"
 	"github.com/arangodb/kube-arangodb/pkg/deployment/pod"
+	"github.com/arangodb/kube-arangodb/pkg/deployment/topology"
 	integrationsSidecar "github.com/arangodb/kube-arangodb/pkg/integrations/sidecar"
 	"github.com/arangodb/kube-arangodb/pkg/util/collection"
 	"github.com/arangodb/kube-arangodb/pkg/util/errors"
@@ -68,6 +69,8 @@ func (m *MemberGatewayPod) GetPodAntiAffinity() *core.PodAntiAffinity {
 
 	pod.AppendPodAntiAffinityDefault(m, a)
 
+	a = kresources.MergePodAntiAffinity(a, topology.GetTopologyAffinityRules(m.context.GetName(), m.Status, m.Group, m.Member).PodAntiAffinity)
+
 	a = kresources.MergePodAntiAffinity(a, m.GroupSpec.AntiAffinity)
 
 	return kresources.OptionalPodAntiAffinity(a)
@@ -76,10 +79,12 @@ func (m *MemberGatewayPod) GetPodAntiAffinity() *core.PodAntiAffinity {
 func (m *MemberGatewayPod) GetPodAffinity() *core.PodAffinity {
 	a := &core.PodAffinity{}
 
-	pod.AppendAffinityWithRole(m, a, api.ServerGroupDBServers.AsRole())
+	pod.AppendAffinityWithRole(m, a, api.ServerGroupCoordinators.AsRole())
 
 	a = kresources.MergePodAffinity(a, m.GroupSpec.Affinity)
 
+	a = kresources.MergePodAffinity(a, topology.GetTopologyAffinityRules(m.context.GetName(), m.Status, m.Group, m.Member).PodAffinity)
+
 	return kresources.OptionalPodAffinity(a)
 }
 
@@ -90,6 +95,8 @@ func (m *MemberGatewayPod) GetNodeAffinity() *core.NodeAffinity {
 
 	a = kresources.MergeNodeAffinity(a, m.GroupSpec.NodeAffinity)
 
+	a = kresources.MergeNodeAffinity(a, topology.GetTopologyAffinityRules(m.context.GetName(), m.Status, m.Group, m.Member).NodeAffinity)
+
 	return kresources.OptionalNodeAffinity(a)
 }