/
scaling.go
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/
scaling.go
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// Copyright (c) 2019 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// 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 kubernetes
import (
"context"
appsv1 "k8s.io/api/apps/v1"
"sigs.k8s.io/controller-runtime/pkg/client"
)
// ScaleStatefulSet scales a StatefulSet.
func ScaleStatefulSet(ctx context.Context, c client.Client, key client.ObjectKey, replicas int32) error {
statefulset := &appsv1.StatefulSet{}
if err := c.Get(ctx, key, statefulset); err != nil {
return err
}
statefulset.Spec.Replicas = &replicas
return c.Update(ctx, statefulset)
}
// ScaleDeployment scales a Deployment.
func ScaleDeployment(ctx context.Context, c client.Client, key client.ObjectKey, replicas int32) error {
deployment := &appsv1.Deployment{}
if err := c.Get(ctx, key, deployment); err != nil {
return err
}
deployment.Spec.Replicas = &replicas
return c.Update(ctx, deployment)
}