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dataplane konnect extension reconciler (#714)
* feat: DataPlaneKonnectExtension customization Signed-off-by: Mattia Lavacca <[email protected]> --------- Signed-off-by: Mattia Lavacca <[email protected]> Co-authored-by: Grzegorz Burzyński <[email protected]>
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119 changes: 119 additions & 0 deletions
119
controller/dataplane/dataplanekonnectextension_controller.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| package dataplane | ||
|
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||
| import ( | ||
| "context" | ||
| "reflect" | ||
|
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| k8serrors "k8s.io/apimachinery/pkg/api/errors" | ||
| ctrl "sigs.k8s.io/controller-runtime" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| "sigs.k8s.io/controller-runtime/pkg/controller/controllerutil" | ||
| "sigs.k8s.io/controller-runtime/pkg/handler" | ||
| ctrllog "sigs.k8s.io/controller-runtime/pkg/log" | ||
| "sigs.k8s.io/controller-runtime/pkg/reconcile" | ||
|
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| operatorv1alpha1 "github.com/kong/gateway-operator/api/v1alpha1" | ||
| operatorv1beta1 "github.com/kong/gateway-operator/api/v1beta1" | ||
| "github.com/kong/gateway-operator/controller/pkg/ctxinjector" | ||
| "github.com/kong/gateway-operator/controller/pkg/log" | ||
| operatorerrors "github.com/kong/gateway-operator/internal/errors" | ||
| "github.com/kong/gateway-operator/internal/utils/index" | ||
| "github.com/kong/gateway-operator/pkg/consts" | ||
| ) | ||
|
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| // ----------------------------------------------------------------------------- | ||
| // DataKonnectExtensionReconciler | ||
| // ----------------------------------------------------------------------------- | ||
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| // DataPlaneKonnectExtensionReconciler reconciles a DataPlaneKonnectExtension object. | ||
| type DataPlaneKonnectExtensionReconciler struct { | ||
| client.Client | ||
| ContextInjector ctxinjector.CtxInjector | ||
| // DevelopmentMode indicates if the controller should run in development mode, | ||
| // which causes it to e.g. perform less validations. | ||
| DevelopmentMode bool | ||
| } | ||
|
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| // SetupWithManager sets up the controller with the Manager. | ||
| func (r *DataPlaneKonnectExtensionReconciler) SetupWithManager(ctx context.Context, mgr ctrl.Manager) error { | ||
| return ctrl.NewControllerManagedBy(mgr). | ||
| For(&operatorv1alpha1.DataPlaneKonnectExtension{}). | ||
| Watches(&operatorv1beta1.DataPlane{}, handler.EnqueueRequestsFromMapFunc(r.listDataPlaneExtensionsReferenced)). | ||
| Complete(r) | ||
| } | ||
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| // listDataPlaneExtensionsReferenced returns a list of all the DataPlaneKonnectExtensions referenced by the DataPlane object. | ||
| // Maximum one reference is expected. | ||
| func (r *DataPlaneKonnectExtensionReconciler) listDataPlaneExtensionsReferenced(ctx context.Context, obj client.Object) []reconcile.Request { | ||
| logger := ctrllog.FromContext(ctx) | ||
| dataPlane, ok := obj.(*operatorv1beta1.DataPlane) | ||
| if !ok { | ||
| logger.Error( | ||
| operatorerrors.ErrUnexpectedObject, | ||
| "failed to run map funcs", | ||
| "expected", "DataPlane", "found", reflect.TypeOf(obj), | ||
| ) | ||
| return nil | ||
| } | ||
|
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| if len(dataPlane.Spec.Extensions) == 0 { | ||
| return nil | ||
| } | ||
|
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| recs := []reconcile.Request{} | ||
|
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| for _, ext := range dataPlane.Spec.Extensions { | ||
| namespace := dataPlane.Namespace | ||
| if ext.Group != operatorv1alpha1.SchemeGroupVersion.Group || | ||
| ext.Kind != operatorv1alpha1.DataPlaneKonnectExtensionKind { | ||
| continue | ||
| } | ||
| if ext.Namespace != nil && *ext.Namespace != namespace { | ||
| continue | ||
| } | ||
| recs = append(recs, reconcile.Request{ | ||
| NamespacedName: client.ObjectKey{ | ||
| Namespace: namespace, | ||
| Name: ext.Name, | ||
| }, | ||
| }) | ||
| } | ||
| return recs | ||
| } | ||
|
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| // Reconcile reconciles a DataPlaneKonnectExtension object. | ||
| func (r *DataPlaneKonnectExtensionReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) { | ||
| ctx = r.ContextInjector.InjectKeyValues(ctx) | ||
| var konnectExtension operatorv1alpha1.DataPlaneKonnectExtension | ||
| if err := r.Client.Get(ctx, req.NamespacedName, &konnectExtension); err != nil { | ||
| return ctrl.Result{}, client.IgnoreNotFound(err) | ||
| } | ||
|
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| logger := log.GetLogger(ctx, operatorv1alpha1.DataPlaneKonnectExtensionKind, r.DevelopmentMode) | ||
| var dataPlaneList operatorv1beta1.DataPlaneList | ||
| if err := r.List(ctx, &dataPlaneList, client.MatchingFields{ | ||
| index.DataPlaneKonnectExtensionIndex: konnectExtension.Namespace + "/" + konnectExtension.Name, | ||
| }); err != nil { | ||
| return ctrl.Result{}, err | ||
| } | ||
|
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| var updated bool | ||
| switch len(dataPlaneList.Items) { | ||
| case 0: | ||
| updated = controllerutil.RemoveFinalizer(&konnectExtension, consts.DataPlaneExtensionFinalizer) | ||
| default: | ||
| updated = controllerutil.AddFinalizer(&konnectExtension, consts.DataPlaneExtensionFinalizer) | ||
| } | ||
| if updated { | ||
| if err := r.Client.Update(ctx, &konnectExtension); err != nil { | ||
| if k8serrors.IsConflict(err) { | ||
| return ctrl.Result{Requeue: true}, nil | ||
| } | ||
| return ctrl.Result{}, err | ||
| } | ||
|
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| log.Info(logger, "DataPlaneKonnectExtension finalizer updated", konnectExtension) | ||
| } | ||
|
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| return ctrl.Result{}, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| package dataplane | ||
|
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| // ----------------------------------------------------------------------------- | ||
| // DataPlaneKonnectExtensionReconciler - RBAC | ||
| // ----------------------------------------------------------------------------- | ||
|
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| // +kubebuilder:rbac:groups=gateway-operator.konghq.com,resources=dataplanes,verbs=get;list;watch | ||
| // +kubebuilder:rbac:groups=gateway-operator.konghq.com,resources=dataplanekonnectextensions,verbs=get;list;watch | ||
| // +kubebuilder:rbac:groups=gateway-operator.konghq.com,resources=dataplanekonnectextensions/finalizers,verbs=update;patch |
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