Files
kubernetes/pkg/kubelet/cm/topologymanager/policy_restricted.go
nolancon 4d76b1c8de Add mergeFilteredHints:
- Move remaining logic from mergeProvidersHints to generic top level
mergeFilteredHints function.
- Add numaNodes as parameter in order to make generic.
- Move single NUMA node specific check to single-numa-node Merge
function.
2020-01-22 09:07:41 +00:00

60 lines
1.6 KiB
Go

/*
Copyright 2019 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package topologymanager
import (
"k8s.io/kubernetes/pkg/kubelet/lifecycle"
)
type restrictedPolicy struct {
bestEffortPolicy
}
var _ Policy = &restrictedPolicy{}
// PolicyRestricted policy name.
const PolicyRestricted string = "restricted"
// NewRestrictedPolicy returns restricted policy.
func NewRestrictedPolicy(numaNodes []int) Policy {
return &restrictedPolicy{bestEffortPolicy{numaNodes: numaNodes}}
}
func (p *restrictedPolicy) Name() string {
return PolicyRestricted
}
func (p *restrictedPolicy) canAdmitPodResult(hint *TopologyHint) lifecycle.PodAdmitResult {
if !hint.Preferred {
return lifecycle.PodAdmitResult{
Admit: false,
Reason: "Topology Affinity Error",
Message: "Resources cannot be allocated with Topology Locality",
}
}
return lifecycle.PodAdmitResult{
Admit: true,
}
}
func (p *restrictedPolicy) Merge(providersHints []map[string][]TopologyHint) (TopologyHint, lifecycle.PodAdmitResult) {
filteredHints := filterProvidersHints(providersHints)
hint := mergeFilteredHints(p.numaNodes, filteredHints)
admit := p.canAdmitPodResult(&hint)
return hint, admit
}