| /* |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you 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 plugins |
| |
| import ( |
| "github.com/apache/yunikorn-core/pkg/log" |
| "github.com/apache/yunikorn-scheduler-interface/lib/go/api" |
| ) |
| |
| var plugins SchedulerPlugins |
| |
| func init() { |
| plugins = SchedulerPlugins{} |
| } |
| |
| // RegisterSchedulerPlugin registers the plugin based on the interfaces(s) it implements. |
| // The known interfaces are defined in yunikorn-scheduler-interface/lib/go/api |
| func RegisterSchedulerPlugin(plugin interface{}) { |
| plugins.Lock() |
| defer plugins.Unlock() |
| if rmc, ok := plugin.(api.ResourceManagerCallback); ok { |
| log.Log(log.RMProxy).Info("register scheduler plugin: ResourceManagerCallback") |
| plugins.ResourceManagerCallbackPlugin = rmc |
| } |
| if sdp, ok := plugin.(api.StateDumpPlugin); ok { |
| log.Log(log.RMProxy).Info("register scheduler plugin: StateDumpPlugin") |
| plugins.StateDumpPlugin = sdp |
| } |
| } |
| |
| // UnregisterSchedulerPlugins removes all earlier set plugins |
| // visible for testing only |
| func UnregisterSchedulerPlugins() { |
| plugins.Lock() |
| defer plugins.Unlock() |
| plugins.ResourceManagerCallbackPlugin = nil |
| plugins.StateDumpPlugin = nil |
| } |
| |
| // GetResourceManagerCallbackPlugin returns the registered callback plugin or nil if none was registered. |
| func GetResourceManagerCallbackPlugin() api.ResourceManagerCallback { |
| plugins.RLock() |
| defer plugins.RUnlock() |
| return plugins.ResourceManagerCallbackPlugin |
| } |
| |
| // GetStateDumpPlugin returns the registered state dump plugin or nil if none was registered. |
| func GetStateDumpPlugin() api.StateDumpPlugin { |
| plugins.RLock() |
| defer plugins.RUnlock() |
| return plugins.StateDumpPlugin |
| } |