69 lines
2.0 KiB
Go
69 lines
2.0 KiB
Go
/*
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Copyright 2020 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 memorymanager
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import (
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v1 "k8s.io/api/core/v1"
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"k8s.io/kubernetes/pkg/kubelet/cm/memorymanager/state"
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"k8s.io/kubernetes/pkg/kubelet/cm/topologymanager"
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)
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const policyTypeNone policyType = "None"
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// none is implementation of the policy interface for the none policy, using none
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// policy is the same as disable memory management
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type none struct{}
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var _ Policy = &none{}
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// NewPolicyNone returns new none policy instance
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func NewPolicyNone() Policy {
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return &none{}
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}
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func (p *none) Name() string {
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return string(policyTypeNone)
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}
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func (p *none) Start(s state.State) error {
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return nil
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}
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// Allocate call is idempotent
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func (p *none) Allocate(s state.State, pod *v1.Pod, container *v1.Container) error {
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return nil
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}
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// RemoveContainer call is idempotent
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func (p *none) RemoveContainer(s state.State, podUID string, containerName string) error {
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return nil
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}
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// GetTopologyHints implements the topologymanager.HintProvider Interface
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// and is consulted to achieve NUMA aware resource alignment among this
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// and other resource controllers.
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func (p *none) GetTopologyHints(s state.State, pod *v1.Pod, container *v1.Container) map[string][]topologymanager.TopologyHint {
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return nil
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}
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// GetPodTopologyHints implements the topologymanager.HintProvider Interface
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// and is consulted to achieve NUMA aware resource alignment among this
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// and other resource controllers.
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func (p *none) GetPodTopologyHints(s state.State, pod *v1.Pod) map[string][]topologymanager.TopologyHint {
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return nil
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}
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