69 lines
1.7 KiB
Go
69 lines
1.7 KiB
Go
/*
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Copyright 2019 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 plugin
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import (
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"sync"
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"k8s.io/klog/v2"
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)
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// PluginsStore holds a list of DRA Plugins.
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type pluginsStore struct {
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sync.RWMutex
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store map[string]*plugin
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}
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// draPlugins map keeps track of all registered DRA plugins on the node
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// and their corresponding sockets.
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var draPlugins = &pluginsStore{}
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// Get lets you retrieve a DRA Plugin by name.
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// This method is protected by a mutex.
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func (s *pluginsStore) get(pluginName string) *plugin {
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s.RLock()
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defer s.RUnlock()
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return s.store[pluginName]
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}
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// Set lets you save a DRA Plugin to the list and give it a specific name.
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// This method is protected by a mutex.
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func (s *pluginsStore) add(pluginName string, p *plugin) {
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s.Lock()
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defer s.Unlock()
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if s.store == nil {
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s.store = make(map[string]*plugin)
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}
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_, exists := s.store[pluginName]
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if exists {
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klog.V(1).InfoS(log("plugin: %s already registered, previous plugin will be overridden", pluginName))
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}
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s.store[pluginName] = p
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}
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// Delete lets you delete a DRA Plugin by name.
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// This method is protected by a mutex.
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func (s *pluginsStore) delete(pluginName string) {
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s.Lock()
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defer s.Unlock()
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delete(s.store, pluginName)
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}
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