d0caec90e2
The commit also adds two policy skeletons: - none - static Signed-off-by: Artyom Lukianov <alukiano@redhat.com>
72 lines
2.2 KiB
Go
72 lines
2.2 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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cadvisorapi "github.com/google/cadvisor/info/v1"
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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 policyTypeStatic policyType = "static"
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type systemReservedMemory map[int]map[v1.ResourceName]uint64
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// staticPolicy is implementation of the policy interface for the single NUMA policy
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type staticPolicy struct {
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// machineInfo contains machine memory related information
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machineInfo *cadvisorapi.MachineInfo
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// reserved contains memory that reserved for kube
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systemReserved systemReservedMemory
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// topology manager reference to get container Topology affinity
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affinity topologymanager.Store
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}
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var _ Policy = &staticPolicy{}
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// NewPolicyStatic returns new single NUMA policy instance
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func NewPolicyStatic() Policy {
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return &staticPolicy{}
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}
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func (p *staticPolicy) Name() string {
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return string(policyTypeStatic)
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}
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func (p *staticPolicy) 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 *staticPolicy) 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 *staticPolicy) 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 *staticPolicy) 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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