shardingsphere-operator/pkg/reconcile/autoscaler/auto_scaler.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 autoscaler

import (
	"context"

	autoscalingv1 "k8s.io/autoscaler/vertical-pod-autoscaler/pkg/apis/autoscaling.k8s.io/v1"

	"github.com/apache/shardingsphere-on-cloud/shardingsphere-operator/api/v1alpha1"

	autoscalingv2 "k8s.io/api/autoscaling/v2"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/runtime/schema"
)

// Builder build HPA from given AutoScaler
type Builder interface {
	BuildHorizontalPodAutoScaler(context.Context, *metav1.ObjectMeta, schema.GroupVersionKind, *v1alpha1.ScalingPolicy) *autoscalingv2.HorizontalPodAutoscaler
	BuildVerticalPodAutoscaler(context.Context, *metav1.ObjectMeta, schema.GroupVersionKind, *v1alpha1.ScalingPolicy) *autoscalingv1.VerticalPodAutoscaler
}

// NewBulder builds resources needed by AutoScaler
func NewBuilder() Builder {
	return &builder{}
}

type builder struct{}