154 lines
5.1 KiB
Go
154 lines
5.1 KiB
Go
/*
|
|
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
|
|
}
|