89f936f6ac
This is necessary to support preemption, which relies on passing modified nodeinfo objects to the filters to simulate evicting lower-priority pods.
52 lines
1.6 KiB
Go
52 lines
1.6 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 noop
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import (
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"k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/runtime"
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framework "k8s.io/kubernetes/pkg/scheduler/framework/v1alpha1"
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"k8s.io/kubernetes/pkg/scheduler/nodeinfo"
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)
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// Filter is a plugin that implements the filter plugin and always returns Success.
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// This is just to make sure that all code dependencies are properly addressed while
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// working on legitimate plugins.
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// Note: The struct cannot be named NoOpFilter, otherwise the golint check cannot pass
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type Filter struct{}
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var _ = framework.FilterPlugin(Filter{})
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// Name is the name of the plugin used in Registry and configurations.
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const Name = "noop-filter"
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// Name returns name of the plugin. It is used in logs, etc.
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func (n Filter) Name() string {
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return Name
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}
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// Filter invoked at the filter extension point.
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func (n Filter) Filter(pc *framework.PluginContext, pod *v1.Pod, nodeInfo *nodeinfo.NodeInfo) *framework.Status {
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return nil
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}
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// New initializes a new plugin and returns it.
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func New(_ *runtime.Unknown, _ framework.FrameworkHandle) (framework.Plugin, error) {
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return &Filter{}, nil
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}
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