github.com/cilium/cilium@v1.16.2/operator/pkg/gateway-api/secretsync.go (about)

     1  // SPDX-License-Identifier: Apache-2.0
     2  // Copyright Authors of Cilium
     3  
     4  package gateway_api
     5  
     6  import (
     7  	"context"
     8  
     9  	"github.com/sirupsen/logrus"
    10  	corev1 "k8s.io/api/core/v1"
    11  	"k8s.io/apimachinery/pkg/types"
    12  	"sigs.k8s.io/controller-runtime/pkg/client"
    13  	"sigs.k8s.io/controller-runtime/pkg/handler"
    14  	"sigs.k8s.io/controller-runtime/pkg/reconcile"
    15  	gatewayv1 "sigs.k8s.io/gateway-api/apis/v1"
    16  
    17  	"github.com/cilium/cilium/operator/pkg/gateway-api/helpers"
    18  	"github.com/cilium/cilium/pkg/logging/logfields"
    19  )
    20  
    21  func EnqueueTLSSecrets(c client.Client, logger logrus.FieldLogger) handler.EventHandler {
    22  	return handler.EnqueueRequestsFromMapFunc(func(ctx context.Context, obj client.Object) []reconcile.Request {
    23  		scopedLog := logger.WithFields(logrus.Fields{
    24  			logfields.Controller: "secrets",
    25  			logfields.Resource:   obj.GetName(),
    26  		})
    27  
    28  		gw, ok := obj.(*gatewayv1.Gateway)
    29  		if !ok {
    30  			return nil
    31  		}
    32  
    33  		// Check whether Gateway is managed by Cilium
    34  		if !hasMatchingController(ctx, c, controllerName)(gw) {
    35  			return nil
    36  		}
    37  
    38  		var reqs []reconcile.Request
    39  		for _, l := range gw.Spec.Listeners {
    40  			if l.TLS == nil {
    41  				continue
    42  			}
    43  			for _, cert := range l.TLS.CertificateRefs {
    44  				if !helpers.IsSecret(cert) {
    45  					continue
    46  				}
    47  				s := types.NamespacedName{
    48  					Namespace: helpers.NamespaceDerefOr(cert.Namespace, gw.Namespace),
    49  					Name:      string(cert.Name),
    50  				}
    51  				reqs = append(reqs, reconcile.Request{NamespacedName: s})
    52  				scopedLog.WithField("secret", s).Debug("Enqueued secret for gateway")
    53  			}
    54  		}
    55  		return reqs
    56  	})
    57  }
    58  
    59  func IsReferencedByCiliumGateway(ctx context.Context, c client.Client, logger logrus.FieldLogger, obj *corev1.Secret) bool {
    60  	gateways := getGatewaysForSecret(ctx, c, obj)
    61  	for _, gw := range gateways {
    62  		if hasMatchingController(ctx, c, controllerName)(gw) {
    63  			return true
    64  		}
    65  	}
    66  
    67  	return false
    68  }