/
environment.go
99 lines (88 loc) · 2.59 KB
/
environment.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"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/util/workqueue"
gemsv1beta1 "kubegems.io/kubegems/pkg/apis/gems/v1beta1"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/event"
)
/*
监听所有的环境事件,当环境租户和namespace变更的时候,让对应的租户重新计算状态
*/
var _envHandler *EnvironmentHandler
type EnvironmentHandler struct {
Client client.Client
Log logr.Logger
}
func (h *EnvironmentHandler) Create(e event.CreateEvent, r workqueue.RateLimitingInterface) {
env, ok := e.Object.(*gemsv1beta1.Environment)
if !ok {
return
}
r.Add(ctrl.Request{
NamespacedName: types.NamespacedName{
Name: env.Spec.Tenant,
},
})
}
func (h *EnvironmentHandler) Update(e event.UpdateEvent, r workqueue.RateLimitingInterface) {
newobj, okn := e.ObjectNew.(*gemsv1beta1.Environment)
oldobj, oko := e.ObjectOld.(*gemsv1beta1.Environment)
if !okn || !oko {
return
}
if newobj.Spec.Tenant == oldobj.Spec.Tenant && newobj.Spec.Namespace == oldobj.Spec.Namespace {
return
}
r.Add(ctrl.Request{
NamespacedName: types.NamespacedName{
Name: newobj.Spec.Tenant,
},
})
r.Add(ctrl.Request{
NamespacedName: types.NamespacedName{
Name: oldobj.Spec.Tenant,
},
})
}
func (h *EnvironmentHandler) Delete(e event.DeleteEvent, r workqueue.RateLimitingInterface) {
env, ok := e.Object.(*gemsv1beta1.Environment)
if !ok {
return
}
r.Add(ctrl.Request{
NamespacedName: types.NamespacedName{
Name: env.Spec.Tenant,
},
})
}
func (h *EnvironmentHandler) Generic(e event.GenericEvent, r workqueue.RateLimitingInterface) {
}
func newEnvHandler(c *client.Client, log *logr.Logger) *EnvironmentHandler {
if _envHandler != nil {
return _envHandler
}
_envHandler = &EnvironmentHandler{
Client: *c,
Log: *log,
}
return _envHandler
}
func NewEnvironmentHandler(c client.Client, log logr.Logger) *EnvironmentHandler {
return newEnvHandler(&c, &log)
}