/
elasticquota_webhook.go
97 lines (85 loc) · 3.24 KB
/
elasticquota_webhook.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
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
/*
* Copyright 2023 nebuly.com.
*
* 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 v1alpha1
import (
"context"
"fmt"
"github.com/nebuly-ai/nos/pkg/constant"
"github.com/nebuly-ai/nos/pkg/util"
"k8s.io/apimachinery/pkg/runtime"
ctrl "sigs.k8s.io/controller-runtime"
. "sigs.k8s.io/controller-runtime/pkg/client"
logf "sigs.k8s.io/controller-runtime/pkg/log"
"sigs.k8s.io/controller-runtime/pkg/webhook"
)
// log is for logging in this package.
var eqlog = logf.Log.WithName("eq-resource")
func (r *ElasticQuota) SetupWebhookWithManager(mgr ctrl.Manager) error {
if client == nil {
client = mgr.GetClient()
}
return ctrl.NewWebhookManagedBy(mgr).
For(r).
Complete()
}
//+kubebuilder:webhook:path=/validate-nos-nebuly-ai-v1alpha1-elasticquota,mutating=false,failurePolicy=fail,sideEffects=None,groups=nos.nebuly.com,resources=elasticquotas,verbs=create,versions=v1alpha1,name=velasticquota.kb.io,admissionReviewVersions=v1
var _ webhook.Validator = &ElasticQuota{}
// ValidateCreate implements webhook.Validator so a webhook will be registered for the type
func (r *ElasticQuota) ValidateCreate() error {
eqlog.V(1).Info("validate create", "name", r.Name)
if client == nil {
err := fmt.Errorf(constant.InternalErrorMsg)
eqlog.Error(err, "client was not initialized correctly")
return err
}
// Check if there's already another ElasticQuota in the same namespace
var eqList ElasticQuotaList
if err := client.List(context.Background(), &eqList, InNamespace(r.Namespace)); IgnoreNotFound(err) != nil {
eqlog.Error(err, "unable to list elastic quotas")
return fmt.Errorf(constant.InternalErrorMsg)
}
if len(eqList.Items) > 0 {
return fmt.Errorf(
"only 1 ElasticQuota per namespace is allowed - ElasticQuota %q already exists in namespace %q",
eqList.Items[0].Name,
r.Namespace,
)
}
// Check if there's already a CompositeElasticQuota defining a quota for the ElasticQuota namespace
var compositeEqList CompositeElasticQuotaList
if err := client.List(context.Background(), &compositeEqList); err != nil {
eqlog.Error(err, "unable to list composite elastic quotas")
return fmt.Errorf(constant.InternalErrorMsg)
}
for _, compositeEq := range compositeEqList.Items {
if util.InSlice(r.Namespace, compositeEq.Spec.Namespaces) {
return fmt.Errorf("the CompositeElasticQuota \"%s/%s\" already defines quotas for namespace %q",
compositeEq.Namespace,
compositeEq.Name,
r.Namespace,
)
}
}
return nil
}
// ValidateUpdate implements webhook.Validator so a webhook will be registered for the type
func (r *ElasticQuota) ValidateUpdate(old runtime.Object) error {
return nil
}
// ValidateDelete implements webhook.Validator so a webhook will be registered for the type
func (r *ElasticQuota) ValidateDelete() error {
return nil
}