[Feature] [Platform] Gateway UpToDate Condition

Author: ajanikow

CHANGELOG.md

@@ -14,6 +14,7 @@
 - (Feature) Improve GRPC JSON Handling
 - (Bugfix) Fix Operator Pod Resources
 - (Feature) (Platform) MetaV1 Integration Tests
+- (Feature) (Platform) Gateway UpToDate Condition
 
 ## [1.3.0](https://github.com/arangodb/kube-arangodb/tree/1.3.0) (2025-08-01)
 - (Feature) (Platform) Storage Debug

pkg/deployment/deployment_inspector.go

@@ -486,6 +486,12 @@ func (d *Deployment) isUpToDateStatus(mode api.DeploymentMode, status api.Deploy
 		return
 	}
 
+	if !status.Conditions.Check(api.ConditionTypeGatewayConfig).Exists().IsTrue().Evaluate() {
+		upToDate = false
+		reason = "Gateway is not propagated"
+		return
+	}
+
 	for _, m := range status.Members.AsList() {
 		member := m.Member
 		if member.Conditions.IsTrue(api.ConditionTypeRestart) || member.Conditions.IsTrue(api.ConditionTypePendingRestart) {

pkg/deployment/member/phase_updates.go

@@ -116,6 +116,7 @@ func removeMemberConditionsMapFunc(m *api.MemberStatus) {
 	m.Conditions.Remove(api.ConditionTypeArchitectureMismatch)
 	m.Conditions.Remove(api.ConditionTypeArchitectureChangeCannotBeApplied)
 	m.Conditions.Remove(api.ConditionTypeMemberVolumeUnschedulable)
+	m.Conditions.Remove(api.ConditionTypeGatewayConfig)
 
 	m.RemoveTerminationsBefore(time.Now().Add(-1 * utilConstants.RecentTerminationsKeepPeriod))
 

pkg/deployment/reconcile/plan_builder_gateway.go

@@ -29,6 +29,8 @@ import (
 	api "github.com/arangodb/kube-arangodb/pkg/apis/deployment/v1"
 	client "github.com/arangodb/kube-arangodb/pkg/deployment/client"
 	sharedReconcile "github.com/arangodb/kube-arangodb/pkg/deployment/reconcile/shared"
+	"github.com/arangodb/kube-arangodb/pkg/deployment/resources"
+	utilConstants "github.com/arangodb/kube-arangodb/pkg/util/constants"
 	"github.com/arangodb/kube-arangodb/pkg/util/k8sutil"
 )
 
@@ -47,8 +49,6 @@ func (r *Reconciler) createMemberGatewayConfigConditionPlan(ctx context.Context,
 			continue
 		}
 
-		logger.JSON("inv", inv).Info("Inventory Fetched")
-
 		if c, ok := m.Member.Conditions.Get(api.ConditionTypeGatewayConfig); !ok || c.Status == core.ConditionFalse || c.Hash != inv.Configuration.Hash {
 			plan = append(plan, sharedReconcile.UpdateMemberConditionActionV2("Config Present", api.ConditionTypeGatewayConfig, m.Group, m.Member.ID, true, "Config Present", "Config Present", inv.Configuration.Hash))
 		}
@@ -57,6 +57,64 @@ func (r *Reconciler) createMemberGatewayConfigConditionPlan(ctx context.Context,
 	return plan
 }
 
+func (r *Reconciler) createGatewayConfigConditionPlan(ctx context.Context, _ k8sutil.APIObject, spec api.DeploymentSpec,
+	status api.DeploymentStatus, planCtx PlanBuilderContext) api.Plan {
+	var plan api.Plan
+
+	if spec.Gateway.IsEnabled() {
+		cm, exists := planCtx.ACS().CurrentClusterCache().ConfigMap().V1().GetSimple(resources.GetGatewayConfigMapName(r.context.GetAPIObject().GetName()))
+		if !exists {
+			if c, ok := status.Conditions.Get(api.ConditionTypeGatewayConfig); !ok || c.Status == core.ConditionTrue || c.Hash != "" {
+				plan = append(plan, sharedReconcile.UpdateConditionActionV2("Gateway CM Missing", api.ConditionTypeGatewayConfig, false, "Gateway CM Missing", "Gateway CM Missing", ""))
+			}
+			return plan
+		}
+
+		if cm == nil || cm.Data[utilConstants.GatewayConfigChecksum] == "" {
+			if c, ok := status.Conditions.Get(api.ConditionTypeGatewayConfig); !ok || c.Status == core.ConditionTrue || c.Hash != "" {
+				plan = append(plan, sharedReconcile.UpdateConditionActionV2("Gateway CM Missing", api.ConditionTypeGatewayConfig, false, "Gateway CM Missing", "Gateway CM Missing", ""))
+			}
+			return plan
+		}
+
+		checksum := cm.Data[utilConstants.GatewayConfigChecksum]
+
+		cok := true
+		for _, m := range status.Members.AsListInGroup(api.ServerGroupGateways) {
+			if v, ok := m.Member.Conditions.Get(api.ConditionTypeGatewayConfig); !ok || v.Status != core.ConditionTrue || v.Hash != checksum {
+				cok = false
+			}
+			if !cok {
+				break
+			}
+		}
+
+		if cok {
+			if c, ok := status.Conditions.Get(api.ConditionTypeGatewayConfig); !ok || c.Status == core.ConditionFalse || c.Hash != checksum {
+				if c, ok := status.Conditions.Get(api.ConditionTypeGatewayConfig); !ok || c.Status == core.ConditionTrue || c.Hash != "" {
+					plan = append(plan, sharedReconcile.UpdateConditionActionV2("Gateway Config UpToDate", api.ConditionTypeGatewayConfig, true, "Gateway Config Propagated", "Gateway Config Propagated", checksum))
+				}
+				return plan
+			}
+		} else {
+			if c, ok := status.Conditions.Get(api.ConditionTypeGatewayConfig); !ok || c.Status == core.ConditionTrue || c.Hash != checksum {
+				if c, ok := status.Conditions.Get(api.ConditionTypeGatewayConfig); !ok || c.Status == core.ConditionTrue || c.Hash != "" {
+					plan = append(plan, sharedReconcile.UpdateConditionActionV2("Gateway Config Not UpToDate", api.ConditionTypeGatewayConfig, false, "Gateway Config Not Propagated", "Gateway Config Not Propagated", checksum))
+				}
+				return plan
+			}
+		}
+
+	} else {
+		if _, ok := status.Conditions.Get(api.ConditionTypeGatewayConfig); ok {
+			plan = append(plan, sharedReconcile.RemoveConditionActionV2("Gateways Disabled", api.ConditionTypeGatewayConfig))
+			return plan
+		}
+	}
+
+	return plan
+}
+
 func (r *Reconciler) getGatewayInventoryConfig(ctx context.Context, planCtx PlanBuilderContext, group api.ServerGroup, member api.MemberStatus) (*client.Inventory, error) {
 	serverClient, err := planCtx.GetServerClient(ctx, group, member.ID)
 	if err != nil {

pkg/deployment/reconcile/plan_builder_high.go

@@ -56,6 +56,7 @@ func (r *Reconciler) createHighPlan(ctx context.Context, apiObject k8sutil.APIOb
 		ApplyIfEmpty(r.updateMemberRotationConditionsPlan).
 		ApplyIfEmpty(r.createMemberAllowUpgradeConditionPlan).
 		ApplyIfEmpty(r.createMemberGatewayConfigConditionPlan).
+		ApplyIfEmpty(r.createGatewayConfigConditionPlan).
 		ApplyIfEmpty(r.createMemberRecreationConditionsPlan).
 		ApplyIfEmpty(r.createMemberPodSchedulingFailurePlan).
 		ApplyIfEmpty(r.createRotateServerStoragePVCPendingResizeConditionPlan).

pkg/deployment/resources/config_map_gateway.go

@@ -154,18 +154,21 @@ func (r *Resources) ensureGatewayConfig(ctx context.Context, cachedStatus inspec
 
 	if err := r.ensureGatewayConfigMap(ctx, cachedStatus, configMaps, GetGatewayConfigMapName(r.context.GetAPIObject().GetName()), map[string]string{
 		utilConstants.GatewayConfigFileName: string(gatewayCfgYaml),
+		utilConstants.GatewayConfigChecksum: baseGatewayCfgYamlChecksum,
 	}); err != nil {
 		return err
 	}
 
 	if err := r.ensureGatewayConfigMap(ctx, cachedStatus, configMaps, GetGatewayConfigMapName(r.context.GetAPIObject().GetName(), "cds"), map[string]string{
 		utilConstants.GatewayConfigFileName: string(gatewayCfgCDSYaml),
+		utilConstants.GatewayConfigChecksum: baseGatewayCfgYamlChecksum,
 	}); err != nil {
 		return err
 	}
 
 	if err := r.ensureGatewayConfigMap(ctx, cachedStatus, configMaps, GetGatewayConfigMapName(r.context.GetAPIObject().GetName(), "lds"), map[string]string{
 		utilConstants.GatewayConfigFileName: string(gatewayCfgLDSYaml),
+		utilConstants.GatewayConfigChecksum: baseGatewayCfgYamlChecksum,
 	}); err != nil {
 		return err
 	}

pkg/util/constants/gateway.go

@@ -33,6 +33,7 @@ const (
 
 	ArangoGatewayExecutor = "/usr/local/bin/envoy"
 
+	GatewayConfigChecksum    = "gateway.checksum"
 	GatewayConfigFileName    = "gateway.yaml"
 	GatewayConfigChecksumENV = "GATEWAY_CONFIG_CHECKSUM"