/
service.go
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/
service.go
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// Copyright 2022 The kubegems.io Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package handler
import (
"github.com/go-logr/logr"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/equality"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/util/workqueue"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/event"
)
/*
Service 变更的时候,对应的网关同步status
*/
var _serviceHandler *ServiceHandler
type ServiceHandler struct {
Client client.Client
Log logr.Logger
}
func (h *ServiceHandler) Create(e event.CreateEvent, r workqueue.RateLimitingInterface) {
svc, ok := e.Object.(*v1.Service)
if !ok {
return
}
h.requeueTenantGateway(svc.OwnerReferences, r)
}
func (h *ServiceHandler) Update(e event.UpdateEvent, r workqueue.RateLimitingInterface) {
newSvc, okn := e.ObjectNew.(*v1.Service)
oldSvc, oko := e.ObjectOld.(*v1.Service)
if !okn || !oko {
return
}
if !equality.Semantic.DeepEqual(newSvc.Spec.Ports, oldSvc.Spec.Ports) {
h.requeueTenantGateway(oldSvc.OwnerReferences, r)
}
}
func (h *ServiceHandler) Delete(e event.DeleteEvent, r workqueue.RateLimitingInterface) {
}
func (h *ServiceHandler) Generic(e event.GenericEvent, r workqueue.RateLimitingInterface) {
}
func newServiceHandler(c *client.Client, log *logr.Logger) *ServiceHandler {
if _serviceHandler != nil {
return _serviceHandler
}
_serviceHandler = &ServiceHandler{
Client: *c,
Log: *log,
}
return _serviceHandler
}
func NewServiceHandler(c client.Client, log logr.Logger) *ServiceHandler {
return newServiceHandler(&c, &log)
}
func (h *ServiceHandler) requeueTenantGateway(owners []metav1.OwnerReference, r workqueue.RateLimitingInterface) {
if len(owners) == 0 || owners[0].Kind != "NginxIngressController" {
return
}
r.Add(ctrl.Request{
// gateway 与 NginxIngressController同名
NamespacedName: types.NamespacedName{
Name: owners[0].Name,
},
})
}