134 lines
4.2 KiB
Go
134 lines
4.2 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package storage
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import (
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"k8s.io/apimachinery/pkg/runtime/schema"
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)
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// APIResourceConfigSource is the interface to determine which groups and versions are enabled
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type APIResourceConfigSource interface {
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VersionEnabled(version schema.GroupVersion) bool
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ResourceEnabled(resource schema.GroupVersionResource) bool
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AnyResourceForGroupEnabled(group string) bool
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}
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var _ APIResourceConfigSource = &ResourceConfig{}
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type ResourceConfig struct {
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GroupVersionConfigs map[schema.GroupVersion]bool
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ResourceConfigs map[schema.GroupVersionResource]bool
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}
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func NewResourceConfig() *ResourceConfig {
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return &ResourceConfig{GroupVersionConfigs: map[schema.GroupVersion]bool{}, ResourceConfigs: map[schema.GroupVersionResource]bool{}}
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}
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// DisableMatchingVersions disables all group/versions for which the matcher function returns true. It does not modify individual resource enablement/disablement.
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func (o *ResourceConfig) DisableMatchingVersions(matcher func(gv schema.GroupVersion) bool) {
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for k := range o.GroupVersionConfigs {
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if matcher(k) {
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o.GroupVersionConfigs[k] = false
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}
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}
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}
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// EnableMatchingVersions enables all group/versions for which the matcher function returns true. It does not modify individual resource enablement/disablement.
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func (o *ResourceConfig) EnableMatchingVersions(matcher func(gv schema.GroupVersion) bool) {
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for k := range o.GroupVersionConfigs {
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if matcher(k) {
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o.GroupVersionConfigs[k] = true
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}
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}
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}
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// RemoveMatchingResourcePreferences removes individual resource preferences that match. This is useful when an override of a version or level enablement should
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// override the previously individual preferences.
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func (o *ResourceConfig) RemoveMatchingResourcePreferences(matcher func(gvr schema.GroupVersionResource) bool) {
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keysToRemove := []schema.GroupVersionResource{}
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for k := range o.ResourceConfigs {
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if matcher(k) {
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keysToRemove = append(keysToRemove, k)
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}
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}
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for _, k := range keysToRemove {
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delete(o.ResourceConfigs, k)
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}
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}
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// DisableVersions disables the versions entirely.
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func (o *ResourceConfig) DisableVersions(versions ...schema.GroupVersion) {
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for _, version := range versions {
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o.GroupVersionConfigs[version] = false
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}
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}
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func (o *ResourceConfig) EnableVersions(versions ...schema.GroupVersion) {
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for _, version := range versions {
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o.GroupVersionConfigs[version] = true
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}
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}
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// TODO this must be removed and we enable/disable individual resources.
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func (o *ResourceConfig) VersionEnabled(version schema.GroupVersion) bool {
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enabled, _ := o.GroupVersionConfigs[version]
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return enabled
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}
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func (o *ResourceConfig) DisableResources(resources ...schema.GroupVersionResource) {
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for _, resource := range resources {
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o.ResourceConfigs[resource] = false
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}
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}
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func (o *ResourceConfig) EnableResources(resources ...schema.GroupVersionResource) {
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for _, resource := range resources {
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o.ResourceConfigs[resource] = true
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}
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}
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func (o *ResourceConfig) ResourceEnabled(resource schema.GroupVersionResource) bool {
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// if a resource is explicitly set, that takes priority over the preference of the version.
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resourceEnabled, explicitlySet := o.ResourceConfigs[resource]
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if explicitlySet {
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return resourceEnabled
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}
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if !o.VersionEnabled(resource.GroupVersion()) {
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return false
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}
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// they are enabled by default.
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return true
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}
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func (o *ResourceConfig) AnyResourceForGroupEnabled(group string) bool {
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for version := range o.GroupVersionConfigs {
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if version.Group == group {
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if o.VersionEnabled(version) {
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return true
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}
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}
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}
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for resource := range o.ResourceConfigs {
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if resource.Group == group && o.ResourceEnabled(resource) {
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return true
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}
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}
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return false
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}
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