-
Notifications
You must be signed in to change notification settings - Fork 39.3k
/
strategy.go
151 lines (121 loc) · 4.96 KB
/
strategy.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
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
/*
Copyright 2016 The Kubernetes Authors.
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 apiservice
import (
"context"
"fmt"
"k8s.io/apimachinery/pkg/fields"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/validation/field"
"k8s.io/apiserver/pkg/registry/generic"
"k8s.io/apiserver/pkg/registry/rest"
"k8s.io/apiserver/pkg/storage"
"k8s.io/apiserver/pkg/storage/names"
"k8s.io/kube-aggregator/pkg/apis/apiregistration"
"k8s.io/kube-aggregator/pkg/apis/apiregistration/validation"
)
type apiServerStrategy struct {
runtime.ObjectTyper
names.NameGenerator
}
// apiServerStrategy must implement rest.RESTCreateUpdateStrategy
var _ rest.RESTCreateUpdateStrategy = apiServerStrategy{}
// NewStrategy creates a new apiServerStrategy.
func NewStrategy(typer runtime.ObjectTyper) rest.RESTCreateUpdateStrategy {
return apiServerStrategy{typer, names.SimpleNameGenerator}
}
func (apiServerStrategy) NamespaceScoped() bool {
return false
}
func (apiServerStrategy) PrepareForCreate(ctx context.Context, obj runtime.Object) {
apiservice := obj.(*apiregistration.APIService)
apiservice.Status = apiregistration.APIServiceStatus{}
// mark local API services as immediately available on create
if apiservice.Spec.Service == nil {
apiregistration.SetAPIServiceCondition(apiservice, apiregistration.NewLocalAvailableAPIServiceCondition())
}
}
func (apiServerStrategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) {
newAPIService := obj.(*apiregistration.APIService)
oldAPIService := old.(*apiregistration.APIService)
newAPIService.Status = oldAPIService.Status
}
func (apiServerStrategy) Validate(ctx context.Context, obj runtime.Object) field.ErrorList {
return validation.ValidateAPIService(obj.(*apiregistration.APIService))
}
func (apiServerStrategy) AllowCreateOnUpdate() bool {
return false
}
func (apiServerStrategy) AllowUnconditionalUpdate() bool {
return false
}
func (apiServerStrategy) Canonicalize(obj runtime.Object) {
}
func (apiServerStrategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList {
return validation.ValidateAPIServiceUpdate(obj.(*apiregistration.APIService), old.(*apiregistration.APIService))
}
type apiServerStatusStrategy struct {
runtime.ObjectTyper
names.NameGenerator
}
// NewStatusStrategy creates a new apiServerStatusStrategy.
func NewStatusStrategy(typer runtime.ObjectTyper) rest.RESTUpdateStrategy {
return apiServerStatusStrategy{typer, names.SimpleNameGenerator}
}
func (apiServerStatusStrategy) NamespaceScoped() bool {
return false
}
func (apiServerStatusStrategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) {
newAPIService := obj.(*apiregistration.APIService)
oldAPIService := old.(*apiregistration.APIService)
newAPIService.Spec = oldAPIService.Spec
newAPIService.Labels = oldAPIService.Labels
newAPIService.Annotations = oldAPIService.Annotations
newAPIService.Finalizers = oldAPIService.Finalizers
newAPIService.OwnerReferences = oldAPIService.OwnerReferences
}
func (apiServerStatusStrategy) AllowCreateOnUpdate() bool {
return false
}
func (apiServerStatusStrategy) AllowUnconditionalUpdate() bool {
return false
}
// Canonicalize normalizes the object after validation.
func (apiServerStatusStrategy) Canonicalize(obj runtime.Object) {
}
// ValidateUpdate validates an update of apiServerStatusStrategy.
func (apiServerStatusStrategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList {
return validation.ValidateAPIServiceStatusUpdate(obj.(*apiregistration.APIService), old.(*apiregistration.APIService))
}
// GetAttrs returns the labels and fields of an API server for filtering purposes.
func GetAttrs(obj runtime.Object) (labels.Set, fields.Set, error) {
apiserver, ok := obj.(*apiregistration.APIService)
if !ok {
return nil, nil, fmt.Errorf("given object is not a APIService")
}
return labels.Set(apiserver.ObjectMeta.Labels), ToSelectableFields(apiserver), nil
}
// MatchAPIService is the filter used by the generic etcd backend to watch events
// from etcd to clients of the apiserver only interested in specific labels/fields.
func MatchAPIService(label labels.Selector, field fields.Selector) storage.SelectionPredicate {
return storage.SelectionPredicate{
Label: label,
Field: field,
GetAttrs: GetAttrs,
}
}
// ToSelectableFields returns a field set that represents the object.
func ToSelectableFields(obj *apiregistration.APIService) fields.Set {
return generic.ObjectMetaFieldsSet(&obj.ObjectMeta, true)
}