/
strategy.go
160 lines (132 loc) · 5.44 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
152
153
154
155
156
157
158
159
160
/*
Copyright 2017 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 serviceclass
// this was copied from where else and edited to fit our objects
import (
"github.com/kubernetes-incubator/service-catalog/pkg/api"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/validation/field"
genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
"k8s.io/apiserver/pkg/registry/rest"
"k8s.io/apiserver/pkg/storage/names"
"github.com/golang/glog"
sc "github.com/kubernetes-incubator/service-catalog/pkg/apis/servicecatalog"
scv "github.com/kubernetes-incubator/service-catalog/pkg/apis/servicecatalog/validation"
)
// NewScopeStrategy returns a new NamespaceScopedStrategy for service classes
func NewScopeStrategy() rest.NamespaceScopedStrategy {
return serviceClassRESTStrategies
}
// implements interfaces RESTCreateStrategy, RESTUpdateStrategy, RESTDeleteStrategy,
// NamespaceScopedStrategy
type serviceClassRESTStrategy struct {
runtime.ObjectTyper // inherit ObjectKinds method
names.NameGenerator // GenerateName method for CreateStrategy
}
// implements interface RESTUpdateStrategy. This implementation validates updates to
// serviceClass.Status updates only and disallows any modifications to the serviceClass.Spec.
type serviceClassStatusRESTStrategy struct {
serviceClassRESTStrategy
}
var (
serviceClassRESTStrategies = serviceClassRESTStrategy{
// embeds to pull in existing code behavior from upstream
ObjectTyper: api.Scheme,
// use the generator from upstream k8s, or implement method
// `GenerateName(base string) string`
NameGenerator: names.SimpleNameGenerator,
}
_ rest.RESTCreateStrategy = serviceClassRESTStrategies
_ rest.RESTUpdateStrategy = serviceClassRESTStrategies
_ rest.RESTDeleteStrategy = serviceClassRESTStrategies
serviceClassStatusUpdateStrategy = serviceClassStatusRESTStrategy{
serviceClassRESTStrategies,
}
_ rest.RESTUpdateStrategy = serviceClassStatusUpdateStrategy
)
// Canonicalize does not transform a serviceclass.
func (serviceClassRESTStrategy) Canonicalize(obj runtime.Object) {
_, ok := obj.(*sc.ClusterServiceClass)
if !ok {
glog.Fatal("received a non-serviceclass object to create")
}
}
// NamespaceScoped returns false as serviceclasss are not scoped to a namespace.
func (serviceClassRESTStrategy) NamespaceScoped() bool {
return false
}
// PrepareForCreate receives the incoming Serviceclass.
func (serviceClassRESTStrategy) PrepareForCreate(ctx genericapirequest.Context, obj runtime.Object) {
serviceClass, ok := obj.(*sc.ClusterServiceClass)
if !ok {
glog.Fatal("received a non-serviceclass object to create")
}
serviceClass.Status = sc.ClusterServiceClassStatus{}
}
func (serviceClassRESTStrategy) Validate(ctx genericapirequest.Context, obj runtime.Object) field.ErrorList {
return scv.ValidateClusterServiceClass(obj.(*sc.ClusterServiceClass))
}
func (serviceClassRESTStrategy) AllowCreateOnUpdate() bool {
return false
}
func (serviceClassRESTStrategy) AllowUnconditionalUpdate() bool {
return false
}
func (serviceClassRESTStrategy) PrepareForUpdate(ctx genericapirequest.Context, new, old runtime.Object) {
newServiceClass, ok := new.(*sc.ClusterServiceClass)
if !ok {
glog.Fatal("received a non-serviceclass object to update to")
}
oldServiceClass, ok := old.(*sc.ClusterServiceClass)
if !ok {
glog.Fatal("received a non-serviceclass object to update from")
}
// Update should not change the status
newServiceClass.Status = oldServiceClass.Status
newServiceClass.Spec.ClusterServiceBrokerName = oldServiceClass.Spec.ClusterServiceBrokerName
}
func (serviceClassRESTStrategy) ValidateUpdate(ctx genericapirequest.Context, new, old runtime.Object) field.ErrorList {
newServiceclass, ok := new.(*sc.ClusterServiceClass)
if !ok {
glog.Fatal("received a non-serviceclass object to validate to")
}
oldServiceclass, ok := old.(*sc.ClusterServiceClass)
if !ok {
glog.Fatal("received a non-serviceclass object to validate from")
}
return scv.ValidateClusterServiceClassUpdate(newServiceclass, oldServiceclass)
}
func (serviceClassStatusRESTStrategy) PrepareForUpdate(ctx genericapirequest.Context, new, old runtime.Object) {
newServiceClass, ok := new.(*sc.ClusterServiceClass)
if !ok {
glog.Fatal("received a non-serviceClass object to update to")
}
oldServiceClass, ok := old.(*sc.ClusterServiceClass)
if !ok {
glog.Fatal("received a non-serviceClass object to update from")
}
// Status changes are not allowed to update spec
newServiceClass.Spec = oldServiceClass.Spec
}
func (serviceClassStatusRESTStrategy) ValidateUpdate(ctx genericapirequest.Context, new, old runtime.Object) field.ErrorList {
// newServiceClass, ok := new.(*sc.ServiceClass)
// if !ok {
// glog.Fatal("received a non-serviceClass object to validate to")
// }
// oldServiceClass, ok := old.(*sc.ServiceClass)
// if !ok {
// glog.Fatal("received a non-serviceClass object to validate from")
// }
// return scv.ValidateServiceClassStatusUpdate(newServiceClass, oldServiceClass)
return field.ErrorList{}
}