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Add Policies Strict and Preferred for Topology Manager
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43
pkg/kubelet/cm/topologymanager/policy_preferred.go
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43
pkg/kubelet/cm/topologymanager/policy_preferred.go
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/*
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Copyright 2015 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 topologymanager
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import (
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"k8s.io/kubernetes/pkg/kubelet/lifecycle"
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)
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type preferredPolicy struct{}
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var _ Policy = &preferredPolicy{}
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// PolicyPreferred policy name.
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const PolicyPreferred policyName = "preferred"
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// NewPreferredPolicy returns preferred policy.
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func NewPreferredPolicy() Policy {
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return &preferredPolicy{}
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}
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func (p *preferredPolicy) Name() string {
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return string(PolicyPreferred)
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}
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func (p *preferredPolicy) CanAdmitPodResult(result TopologyHints) lifecycle.PodAdmitResult {
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return lifecycle.PodAdmitResult{
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Admit: true,
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}
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}
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51
pkg/kubelet/cm/topologymanager/policy_strict.go
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pkg/kubelet/cm/topologymanager/policy_strict.go
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/*
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Copyright 2015 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 topologymanager
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import (
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"k8s.io/kubernetes/pkg/kubelet/lifecycle"
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)
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type strictPolicy struct{}
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var _ Policy = &strictPolicy{}
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// PolicyStrict policy name.
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const PolicyStrict policyName = "strict"
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// NewStrictPolicy returns strict policy.
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func NewStrictPolicy() Policy {
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return &strictPolicy{}
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}
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func (p *strictPolicy) Name() string {
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return string(PolicyStrict)
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}
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func (p *strictPolicy) CanAdmitPodResult(result TopologyHints) lifecycle.PodAdmitResult {
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affinity := result.Affinity
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if !affinity {
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return lifecycle.PodAdmitResult{
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Admit: false,
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Reason: "Topology Affinity Error",
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Message: "Resources cannot be allocated with Topology Locality",
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}
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}
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return lifecycle.PodAdmitResult{
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Admit: true,
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}
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}
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