pkg/plugins/runtime/k8s/controllers/service_controller.go

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 controllers

import (
	"context"
)

import (
	"github.com/go-logr/logr"

	kube_core "k8s.io/api/core/v1"

	kube_ctrl "sigs.k8s.io/controller-runtime"
	"sigs.k8s.io/controller-runtime/pkg/builder"
	kube_client "sigs.k8s.io/controller-runtime/pkg/client"
	"sigs.k8s.io/controller-runtime/pkg/event"
	"sigs.k8s.io/controller-runtime/pkg/predicate"
)

type ServiceReconciler struct {
	kube_client.Client
	Log logr.Logger
}

func (r *ServiceReconciler) SetupWithManager(mgr kube_ctrl.Manager) error {
	return kube_ctrl.NewControllerManagedBy(mgr).
		For(&kube_core.Service{}, builder.WithPredicates(serviceEvents)).
		Complete(r)
}

func (r *ServiceReconciler) Reconcile(ctx context.Context, req kube_ctrl.Request) (kube_ctrl.Result, error) {
	return kube_ctrl.Result{}, nil
}

// we only want create and update events
var serviceEvents = predicate.Funcs{
	CreateFunc: func(event event.CreateEvent) bool {
		return true
	},
	DeleteFunc: func(deleteEvent event.DeleteEvent) bool {
		return false
	},
	UpdateFunc: func(updateEvent event.UpdateEvent) bool {
		return true
	},
	GenericFunc: func(genericEvent event.GenericEvent) bool {
		return false
	},
}