forked from kubewharf/katalyst-core
66 lines
2.4 KiB
Go
66 lines
2.4 KiB
Go
/*
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Copyright 2022 The Katalyst 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 is the package that defines the eviction strategy, and
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// those strategies must implement EvictPlugin interface, supporting both
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// embedded plugin and external registered plugin.
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package plugin // import "github.com/kubewharf/katalyst-core/pkg/evictionmanager/plugin"
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import (
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"context"
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"k8s.io/client-go/tools/events"
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pluginapi "github.com/kubewharf/katalyst-api/pkg/protocol/evictionplugin/v1alpha1"
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endpointpkg "github.com/kubewharf/katalyst-core/pkg/agent/evictionmanager/endpoint"
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"github.com/kubewharf/katalyst-core/pkg/client"
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"github.com/kubewharf/katalyst-core/pkg/config"
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"github.com/kubewharf/katalyst-core/pkg/metaserver"
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"github.com/kubewharf/katalyst-core/pkg/metrics"
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util "github.com/kubewharf/katalyst-core/pkg/util/process"
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)
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const (
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fakePluginName = "fake-eviction-plugin"
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)
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// InitFunc is used to initialize a particular innter eviction plugin.
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type InitFunc func(genericClient *client.GenericClientSet, recorder events.EventRecorder, metaServer *metaserver.MetaServer,
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emitter metrics.MetricEmitter, conf *config.Configuration) EvictionPlugin
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// EvictionPlugin performs eviction actions based on agent resources.
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type EvictionPlugin interface {
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Name() string
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endpointpkg.Endpoint
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}
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type DummyEvictionPlugin struct {
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*util.StopControl
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}
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func (_ DummyEvictionPlugin) Name() string { return fakePluginName }
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func (_ DummyEvictionPlugin) ThresholdMet(_ context.Context) (*pluginapi.ThresholdMetResponse, error) {
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return nil, nil
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}
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func (_ DummyEvictionPlugin) GetTopEvictionPods(_ context.Context, _ *pluginapi.GetTopEvictionPodsRequest) (*pluginapi.GetTopEvictionPodsResponse, error) {
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return nil, nil
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}
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func (_ DummyEvictionPlugin) GetEvictPods(_ context.Context, _ *pluginapi.GetEvictPodsRequest) (*pluginapi.GetEvictPodsResponse, error) {
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return nil, nil
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}
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var _ EvictionPlugin = DummyEvictionPlugin{}
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