github.com/kubewharf/katalyst-core@v0.5.3/pkg/scheduler/plugins/nodeovercommitment/plugin.go (about) 1 /* 2 Copyright 2022 The Katalyst Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package nodeovercommitment 18 19 import ( 20 "k8s.io/apimachinery/pkg/runtime" 21 "k8s.io/klog/v2" 22 "k8s.io/kubernetes/pkg/scheduler/framework" 23 24 "github.com/kubewharf/katalyst-core/pkg/scheduler/plugins/nodeovercommitment/cache" 25 ) 26 27 var _ framework.FilterPlugin = &NodeOvercommitment{} 28 29 const ( 30 // Name is the name of the plugin used in the plugin registry and configurations. 31 Name = "NodeOvercommitment" 32 33 preFilterStateKey = "PreFilter" + Name 34 ) 35 36 var ( 37 _ framework.PreFilterPlugin = &NodeOvercommitment{} 38 _ framework.FilterPlugin = &NodeOvercommitment{} 39 _ framework.ReservePlugin = &NodeOvercommitment{} 40 ) 41 42 type NodeOvercommitment struct{} 43 44 func (n *NodeOvercommitment) Name() string { 45 return Name 46 } 47 48 func New(args runtime.Object, h framework.Handle) (framework.Plugin, error) { 49 klog.Info("Creating new NodeOvercommitment plugin") 50 51 cache.RegisterPodHandler() 52 cache.RegisterCNRHandler() 53 return &NodeOvercommitment{}, nil 54 }