/
poddisruptionbudget.go
45 lines (38 loc) · 1.5 KB
/
poddisruptionbudget.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
// Copyright 2024 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 alertmanager
import (
policyv1 "k8s.io/api/policy/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"github.com/gardener/gardener/pkg/utils"
kubernetesutils "github.com/gardener/gardener/pkg/utils/kubernetes"
)
func (a *alertManager) podDisruptionBudget() *policyv1.PodDisruptionBudget {
if a.values.Replicas <= 1 || a.values.RuntimeVersion == nil {
return nil
}
pdb := &policyv1.PodDisruptionBudget{
ObjectMeta: metav1.ObjectMeta{
Name: a.name(),
Namespace: a.namespace,
Labels: a.getLabels(),
},
Spec: policyv1.PodDisruptionBudgetSpec{
MaxUnavailable: utils.IntStrPtrFromInt32(1),
Selector: &metav1.LabelSelector{MatchLabels: a.getLabels()},
},
}
kubernetesutils.SetAlwaysAllowEviction(pdb, a.values.RuntimeVersion)
return pdb
}