/
frpserver_controller.go
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/
frpserver_controller.go
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/*
Copyright 2023 Aapeli <aapeli.nian@gmail.com>.
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 controller
import (
"context"
"fmt"
frpv1beta1 "github.com/frp-sigs/frp-provisioner/pkg/api/v1beta1"
"github.com/frp-sigs/frp-provisioner/pkg/utils/frpclient"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/api/meta"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
utilerrors "k8s.io/apimachinery/pkg/util/errors"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/log"
"time"
)
// FrpServerReconciler reconciles a FrpServer object
type FrpServerReconciler struct {
client.Client
Scheme *runtime.Scheme
}
//+kubebuilder:rbac:groups=frp.gofrp.io,resources=frpservers,verbs=get;list;watch;create;update;patch;delete
//+kubebuilder:rbac:groups=frp.gofrp.io,resources=frpservers/status,verbs=get;update;patch
//+kubebuilder:rbac:groups=frp.gofrp.io,resources=frpservers/finalizers,verbs=update
//+kubebuilder:rbac:groups="",resources=secrets,verbs=get;list;watch
//+kubebuilder:rbac:groups="",resources=secrets/status,verbs=get
// Reconcile is part of the main kubernetes reconciliation loop which aims to
// move the current state of the cluster closer to the desired state.
func (r *FrpServerReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
logger := log.FromContext(ctx)
obj := frpv1beta1.FrpServer{}
err := r.Get(ctx, req.NamespacedName, &obj)
if err != nil {
if errors.IsNotFound(err) {
return ctrl.Result{}, nil
}
logger.Error(err, "get resource object failed.", "request", req.String())
return ctrl.Result{}, nil
}
// Set phase to FrpServerPhasePending and wait next Reconcile
if obj.Status.Phase == frpv1beta1.FrpServerPhaseUnknown {
obj.Status.Phase = frpv1beta1.FrpServerPhasePending
return ctrl.Result{}, utilerrors.NewAggregate([]error{err, r.Status().Update(ctx, &obj)})
}
err = frpclient.ValidateFrpServerConfig(ctx, r.Client, &obj)
if err != nil {
logger.Error(err, "Invalid frp config from resource object")
meta.SetStatusCondition(&obj.Status.Conditions, metav1.Condition{
Type: "Initialized",
Status: metav1.ConditionTrue,
Reason: frpv1beta1.ReasonInitializeFailed,
LastTransitionTime: metav1.NewTime(time.Now()),
Message: fmt.Sprintf("Invalid frp config: %s", err.Error()),
})
obj.Status.Phase = frpv1beta1.FrpServerPhaseUnhealthy
obj.Status.Reason = fmt.Sprintf("Invalid frp config: %s", err.Error())
return ctrl.Result{}, utilerrors.NewAggregate([]error{err, r.Status().Update(ctx, &obj)})
}
meta.SetStatusCondition(&obj.Status.Conditions, metav1.Condition{
Type: "Initialized",
Status: metav1.ConditionTrue,
Reason: frpv1beta1.ReasonInitialized,
LastTransitionTime: metav1.NewTime(time.Now()),
Message: "FrpServer is healthy",
})
obj.Status.Phase = frpv1beta1.FrpServerPhaseHealthy
obj.Status.Reason = "FrpServer is healthy"
return ctrl.Result{}, utilerrors.NewAggregate([]error{err, r.Status().Update(ctx, &obj)})
}
// SetupWithManager sets up the controller with the Manager.
func (r *FrpServerReconciler) SetupWithManager(mgr ctrl.Manager) error {
return ctrl.NewControllerManagedBy(mgr).
For(&frpv1beta1.FrpServer{}).
Complete(r)
}