/
resource_config.go
153 lines (128 loc) · 5.09 KB
/
resource_config.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
/*
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 storage
import (
"k8s.io/apimachinery/pkg/runtime/schema"
)
// APIResourceConfigSource is the interface to determine which groups and versions are enabled
type APIResourceConfigSource interface {
ResourceEnabled(resource schema.GroupVersionResource) bool
AnyResourceForGroupEnabled(group string) bool
}
var _ APIResourceConfigSource = &ResourceConfig{}
type ResourceConfig struct {
GroupVersionConfigs map[schema.GroupVersion]bool
ResourceConfigs map[schema.GroupVersionResource]bool
}
func NewResourceConfig() *ResourceConfig {
return &ResourceConfig{GroupVersionConfigs: map[schema.GroupVersion]bool{}, ResourceConfigs: map[schema.GroupVersionResource]bool{}}
}
// DisableMatchingVersions disables all group/versions for which the matcher function returns true.
// This will remove any preferences previously set on individual resources.
func (o *ResourceConfig) DisableMatchingVersions(matcher func(gv schema.GroupVersion) bool) {
for version := range o.GroupVersionConfigs {
if matcher(version) {
o.GroupVersionConfigs[version] = false
o.removeMatchingResourcePreferences(resourceMatcherForVersion(version))
}
}
}
// EnableMatchingVersions enables all group/versions for which the matcher function returns true.
// This will remove any preferences previously set on individual resources.
func (o *ResourceConfig) EnableMatchingVersions(matcher func(gv schema.GroupVersion) bool) {
for version := range o.GroupVersionConfigs {
if matcher(version) {
o.GroupVersionConfigs[version] = true
o.removeMatchingResourcePreferences(resourceMatcherForVersion(version))
}
}
}
// resourceMatcherForVersion matches resources in the specified version
func resourceMatcherForVersion(gv schema.GroupVersion) func(gvr schema.GroupVersionResource) bool {
return func(gvr schema.GroupVersionResource) bool {
return gv == gvr.GroupVersion()
}
}
// removeMatchingResourcePreferences removes individual resource preferences that match. This is useful when an override of a version or level enablement should
// override the previously individual preferences.
func (o *ResourceConfig) removeMatchingResourcePreferences(matcher func(gvr schema.GroupVersionResource) bool) {
keysToRemove := []schema.GroupVersionResource{}
for k := range o.ResourceConfigs {
if matcher(k) {
keysToRemove = append(keysToRemove, k)
}
}
for _, k := range keysToRemove {
delete(o.ResourceConfigs, k)
}
}
// DisableVersions disables the versions entirely.
// This will remove any preferences previously set on individual resources.
func (o *ResourceConfig) DisableVersions(versions ...schema.GroupVersion) {
for _, version := range versions {
o.GroupVersionConfigs[version] = false
// a preference about a version takes priority over the previously set resources
o.removeMatchingResourcePreferences(resourceMatcherForVersion(version))
}
}
// EnableVersions enables all resources in a given groupVersion.
// This will remove any preferences previously set on individual resources.
func (o *ResourceConfig) EnableVersions(versions ...schema.GroupVersion) {
for _, version := range versions {
o.GroupVersionConfigs[version] = true
// a preference about a version takes priority over the previously set resources
o.removeMatchingResourcePreferences(resourceMatcherForVersion(version))
}
}
// TODO this must be removed and we enable/disable individual resources.
func (o *ResourceConfig) versionEnabled(version schema.GroupVersion) bool {
enabled, _ := o.GroupVersionConfigs[version]
return enabled
}
func (o *ResourceConfig) DisableResources(resources ...schema.GroupVersionResource) {
for _, resource := range resources {
o.ResourceConfigs[resource] = false
}
}
func (o *ResourceConfig) EnableResources(resources ...schema.GroupVersionResource) {
for _, resource := range resources {
o.ResourceConfigs[resource] = true
}
}
func (o *ResourceConfig) ResourceEnabled(resource schema.GroupVersionResource) bool {
// if a resource is explicitly set, that takes priority over the preference of the version.
resourceEnabled, explicitlySet := o.ResourceConfigs[resource]
if explicitlySet {
return resourceEnabled
}
if !o.versionEnabled(resource.GroupVersion()) {
return false
}
// they are enabled by default.
return true
}
func (o *ResourceConfig) AnyResourceForGroupEnabled(group string) bool {
for version := range o.GroupVersionConfigs {
if version.Group == group {
if o.versionEnabled(version) {
return true
}
}
}
for resource := range o.ResourceConfigs {
if resource.Group == group && o.ResourceEnabled(resource) {
return true
}
}
return false
}