/
udproute_controller.go
101 lines (87 loc) · 3.23 KB
/
udproute_controller.go
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/*
* MIT License
*
* Copyright (c) since 2021, flomesh.io Authors.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package v1alpha2
import (
"context"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/tools/record"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
gwv1alpha2 "sigs.k8s.io/gateway-api/apis/v1alpha2"
fctx "github.com/flomesh-io/fsm/pkg/context"
"github.com/flomesh-io/fsm/pkg/controllers"
"github.com/flomesh-io/fsm/pkg/gateway/status"
)
type udpRouteReconciler struct {
recorder record.EventRecorder
fctx *fctx.ControllerContext
statusProcessor *status.RouteStatusProcessor
}
func (r *udpRouteReconciler) NeedLeaderElection() bool {
return true
}
// NewUDPRouteReconciler returns a new UDPRoute Reconciler
func NewUDPRouteReconciler(ctx *fctx.ControllerContext) controllers.Reconciler {
return &udpRouteReconciler{
recorder: ctx.Manager.GetEventRecorderFor("UDPRoute"),
fctx: ctx,
statusProcessor: &status.RouteStatusProcessor{Informers: ctx.InformerCollection},
}
}
// Reconcile reconciles a UDPRoute object
func (r *udpRouteReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
udpRoute := &gwv1alpha2.UDPRoute{}
err := r.fctx.Get(ctx, req.NamespacedName, udpRoute)
if errors.IsNotFound(err) {
r.fctx.EventHandler.OnDelete(&gwv1alpha2.UDPRoute{
ObjectMeta: metav1.ObjectMeta{
Namespace: req.Namespace,
Name: req.Name,
}})
return reconcile.Result{}, nil
}
if udpRoute.DeletionTimestamp != nil {
r.fctx.EventHandler.OnDelete(udpRoute)
return ctrl.Result{}, nil
}
routeStatus, err := r.statusProcessor.ProcessRouteStatus(ctx, udpRoute)
if err != nil {
return ctrl.Result{}, err
}
if len(routeStatus) > 0 {
udpRoute.Status.Parents = routeStatus
if err := r.fctx.Status().Update(ctx, udpRoute); err != nil {
return ctrl.Result{}, err
}
}
r.fctx.EventHandler.OnAdd(udpRoute)
return ctrl.Result{}, nil
}
// SetupWithManager sets up the controller with the Manager.
func (r *udpRouteReconciler) SetupWithManager(mgr ctrl.Manager) error {
return ctrl.NewControllerManagedBy(mgr).
For(&gwv1alpha2.UDPRoute{}).
Complete(r)
}