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use route parentRef from spec instead of observedGeneration to select correct status conditions to evaluate

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David Winiarski 2025-04-06 18:42:50 -06:00
parent 4386d8ba94
commit 5a1aef4d94
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1 changed files with 42 additions and 5 deletions
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47
source/gateway.go
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@ -34,6 +34,7 @@ import (
coreinformers "k8s.io/client-go/informers/core/v1"
cache "k8s.io/client-go/tools/cache"
v1 "sigs.k8s.io/gateway-api/apis/v1"
"sigs.k8s.io/gateway-api/apis/v1alpha2"
v1beta1 "sigs.k8s.io/gateway-api/apis/v1beta1"
gateway "sigs.k8s.io/gateway-api/pkg/client/clientset/versioned"
informers "sigs.k8s.io/gateway-api/pkg/client/informers/externalversions"
@ -293,11 +294,32 @@ func (c *gatewayRouteResolver) resolve(rt gatewayRoute) (map[string]endpoint.Tar
return nil, err
}
hostTargets := make(map[string]endpoint.Targets)
currentGeneration := rt.Metadata().Generation
routeParentRefs := getRouteParentRefs(rt)
if len(routeParentRefs) == 0 {
log.Debugf("No parent references found for %s %s/%s", c.src.rtKind, rt.Metadata().Namespace, rt.Metadata().Name)
return hostTargets, nil
}
meta := rt.Metadata()
for _, rps := range rt.RouteStatus().Parents {
// Confirm the Parent is the standard Gateway kind.
ref := rps.ParentRef
// Ensure that the parent reference is in the routeParentRefs list
found := false
for _, rpr := range routeParentRefs {
if string(rpr.Name) == string(ref.Name) && string(*rpr.Namespace) == string(*ref.Namespace) {
found = true
break
}
}
namespace := strVal((*string)(ref.Namespace), meta.Namespace)
if !found {
log.Debugf("Parent reference %s/%s not found in routeParentRefs for %s %s/%s", namespace, string(ref.Name), c.src.rtKind, meta.Namespace, meta.Name)
continue
}
group := strVal((*string)(ref.Group), gatewayGroup)
kind := strVal((*string)(ref.Kind), gatewayKind)
if group != gatewayGroup || kind != gatewayKind {
@ -305,7 +327,6 @@ func (c *gatewayRouteResolver) resolve(rt gatewayRoute) (map[string]endpoint.Tar
continue
}
// Lookup the Gateway and its Listeners.
namespace := strVal((*string)(ref.Namespace), meta.Namespace)
gw, ok := c.gws[namespacedName(namespace, string(ref.Name))]
if !ok {
log.Debugf("Gateway %s/%s not found for %s %s/%s", namespace, ref.Name, c.src.rtKind, meta.Namespace, meta.Name)
@ -316,8 +337,9 @@ func (c *gatewayRouteResolver) resolve(rt gatewayRoute) (map[string]endpoint.Tar
log.Debugf("Gateway %s/%s does not match %s %s/%s", namespace, ref.Name, c.src.gwName, meta.Namespace, meta.Name)
continue
}
// Confirm the Gateway has accepted the Route, and that the generation matches.
if !gwRouteIsAccepted(rps.Conditions, currentGeneration) {
if !gwRouteIsAccepted(rps.Conditions) {
log.Debugf("Gateway %s/%s has not accepted %s %s/%s", namespace, ref.Name, c.src.rtKind, meta.Namespace, meta.Name)
continue
}
@ -458,14 +480,29 @@ func (c *gatewayRouteResolver) routeIsAllowed(gw *v1beta1.Gateway, lis *v1.Liste
return false
}
func gwRouteIsAccepted(conds []metav1.Condition, currentGeneration int64) bool {
func gwRouteIsAccepted(conds []metav1.Condition) bool {
for _, c := range conds {
if v1.RouteConditionType(c.Type) == v1.RouteConditionAccepted && c.ObservedGeneration == currentGeneration {
if v1.RouteConditionType(c.Type) == v1.RouteConditionAccepted {
return c.Status == metav1.ConditionTrue
}
}
return false
}
func getRouteParentRefs(rt gatewayRoute) []v1.ParentReference {
routeParentRefs := make([]v1.ParentReference, 0)
switch rt.Object().(type) {
case *v1.HTTPRoute:
routeParentRefs = rt.Object().(*v1.HTTPRoute).Spec.ParentRefs
case *v1.GRPCRoute:
routeParentRefs = rt.Object().(*v1.GRPCRoute).Spec.ParentRefs
case *v1alpha2.UDPRoute:
routeParentRefs = rt.Object().(*v1alpha2.UDPRoute).Spec.ParentRefs
case *v1alpha2.TCPRoute:
routeParentRefs = rt.Object().(*v1alpha2.TCPRoute).Spec.ParentRefs
}
return routeParentRefs
}
func uniqueTargets(targets endpoint.Targets) endpoint.Targets {
if len(targets) < 2 {