| /* |
| * 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 hpa |
| |
| import ( |
| "github.com/apache/shardingsphere-on-cloud/shardingsphere-operator/pkg/kubernetes/metadata" |
| autoscalingv2 "k8s.io/api/autoscaling/v2" |
| ) |
| |
| // HorizontalPodAutoscalerBuilder is a builder for HPA |
| type HorizontalPodAutoscalerBuilder interface { |
| metadata.MetadataBuilder |
| |
| SetScaleTargetRef(ref autoscalingv2.CrossVersionObjectReference) HorizontalPodAutoscalerBuilder |
| SetMinReplicas(n int32) HorizontalPodAutoscalerBuilder |
| SetMaxReplicas(n int32) HorizontalPodAutoscalerBuilder |
| SetMetrics(specs []autoscalingv2.MetricSpec) HorizontalPodAutoscalerBuilder |
| SetBehavior(bh *autoscalingv2.HorizontalPodAutoscalerBehavior) HorizontalPodAutoscalerBuilder |
| |
| BuildHPA() *autoscalingv2.HorizontalPodAutoscaler |
| } |
| |
| // NewHorizontalPodAutoScalerBuilder returns a HorizontalPodAutoScalerBuilder for HPA |
| func NewHorizontalPodAutoScalerBuilder() HorizontalPodAutoscalerBuilder { |
| return &hpaBuilder{} |
| } |
| |
| type hpaBuilder struct { |
| hpa *autoscalingv2.HorizontalPodAutoscaler |
| metadata.MetadataBuilder |
| } |
| |
| // SetScaleTargetRef set the scale target |
| func (b *hpaBuilder) SetScaleTargetRef(ref autoscalingv2.CrossVersionObjectReference) HorizontalPodAutoscalerBuilder { |
| b.hpa.Spec.ScaleTargetRef = ref |
| return b |
| } |
| |
| // SetMinReplicas set the min replicas |
| func (b *hpaBuilder) SetMinReplicas(n int32) HorizontalPodAutoscalerBuilder { |
| b.hpa.Spec.MinReplicas = &n |
| return b |
| } |
| |
| // SetMaxReplicas set the max replicas |
| func (b *hpaBuilder) SetMaxReplicas(n int32) HorizontalPodAutoscalerBuilder { |
| b.hpa.Spec.MaxReplicas = n |
| return b |
| } |
| |
| // SetMetrics set the metrics |
| func (b *hpaBuilder) SetMetrics(specs []autoscalingv2.MetricSpec) HorizontalPodAutoscalerBuilder { |
| b.hpa.Spec.Metrics = specs |
| return b |
| } |
| |
| // SetBehavior set the behavior |
| func (b *hpaBuilder) SetBehavior(bh *autoscalingv2.HorizontalPodAutoscalerBehavior) HorizontalPodAutoscalerBuilder { |
| b.hpa.Spec.Behavior = bh |
| return b |
| } |
| |
| // BuildHPA returns a HPA |
| func (b *hpaBuilder) BuildHPA() *autoscalingv2.HorizontalPodAutoscaler { |
| b.hpa.ObjectMeta = *b.BuildMetadata() |
| return b.hpa |
| } |