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Add missing TopologyManagerPolicy #1026

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2 changes: 1 addition & 1 deletion go.mod
Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@ require (
github.com/golang/protobuf v1.5.2
github.com/google/go-cmp v0.5.9
github.com/jaypipes/ghw v0.8.1-0.20210827132705-c7224150a17e
github.com/k8stopologyawareschedwg/noderesourcetopology-api v0.0.12
github.com/k8stopologyawareschedwg/noderesourcetopology-api v0.0.13
github.com/klauspost/cpuid/v2 v2.2.3
github.com/onsi/ginkgo/v2 v2.4.0
github.com/onsi/gomega v1.23.0
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4 changes: 2 additions & 2 deletions go.sum
Original file line number Diff line number Diff line change
Expand Up @@ -420,8 +420,8 @@ github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7
github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
github.com/julienschmidt/httprouter v1.3.0/go.mod h1:JR6WtHb+2LUe8TCKY3cZOxFyyO8IZAc4RVcycCCAKdM=
github.com/k8stopologyawareschedwg/noderesourcetopology-api v0.0.12 h1:NhXbOjO1st8hIcVpegr3zw/AGG12vs3z//tCDDcfPpE=
github.com/k8stopologyawareschedwg/noderesourcetopology-api v0.0.12/go.mod h1:AkACMQGiTgCt0lQw3m7TTU8PLH9lYKNK5e9DqFf5VuM=
github.com/k8stopologyawareschedwg/noderesourcetopology-api v0.0.13 h1:Y1RjPskyGMkVtNL8lq75bEdjqgq8gi+JJ1oWaz/mIJE=
github.com/k8stopologyawareschedwg/noderesourcetopology-api v0.0.13/go.mod h1:AkACMQGiTgCt0lQw3m7TTU8PLH9lYKNK5e9DqFf5VuM=
github.com/karrick/godirwalk v1.17.0 h1:b4kY7nqDdioR/6qnbHQyDvmA17u5G1cZ6J+CZXwSWoI=
github.com/karrick/godirwalk v1.17.0/go.mod h1:j4mkqPuvaLI8mp1DroR3P6ad7cyYd4c1qeJ3RV7ULlk=
github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
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39 changes: 29 additions & 10 deletions pkg/topologypolicy/topology-policy.go
Original file line number Diff line number Diff line change
Expand Up @@ -24,20 +24,39 @@ import (
// DetectTopologyPolicy returns string type which present
// both Topology manager policy and scope
func DetectTopologyPolicy(policy string, scope string) v1alpha1.TopologyManagerPolicy {
switch scope {
case config.PodTopologyManagerScope:
return detectPolicyPodScope(policy)
case config.ContainerTopologyManagerScope:
return detectPolicyContainerScope(policy)
default:
return v1alpha1.None
}
}

func detectPolicyPodScope(policy string) v1alpha1.TopologyManagerPolicy {
switch policy {
case config.SingleNumaNodeTopologyManagerPolicy:
return v1alpha1.SingleNUMANodePodLevel
case config.RestrictedTopologyManagerPolicy:
return v1alpha1.RestrictedPodLevel
case config.BestEffortTopologyManagerPolicy:
return v1alpha1.BestEffortPodLevel
case config.NoneTopologyManagerPolicy:
return v1alpha1.None
default:
return v1alpha1.None
}
}

func detectPolicyContainerScope(policy string) v1alpha1.TopologyManagerPolicy {
switch policy {
case config.SingleNumaNodeTopologyManagerPolicy:
if scope == config.PodTopologyManagerScope {
return v1alpha1.SingleNUMANodePodLevel
} else if scope == config.ContainerTopologyManagerScope {
return v1alpha1.SingleNUMANodeContainerLevel
} else {
// default scope for single-numa-node
return v1alpha1.SingleNUMANodeContainerLevel
}
return v1alpha1.SingleNUMANodeContainerLevel
case config.RestrictedTopologyManagerPolicy:
return v1alpha1.Restricted
return v1alpha1.RestrictedContainerLevel
case config.BestEffortTopologyManagerPolicy:
return v1alpha1.BestEffort
return v1alpha1.BestEffortContainerLevel
case config.NoneTopologyManagerPolicy:
return v1alpha1.None
default:
Expand Down
99 changes: 99 additions & 0 deletions pkg/topologypolicy/topology-policy_test.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,99 @@
/*
Copyright 2023 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 topologypolicy

import (
"testing"

v1alpha1 "github.com/k8stopologyawareschedwg/noderesourcetopology-api/pkg/apis/topology/v1alpha1"
)

func TestDetectTopologyPolicy(t *testing.T) {
testCases := []struct {
scope string
policy string
expected v1alpha1.TopologyManagerPolicy
}{
{
policy: "best-effort",
scope: "pod",
expected: v1alpha1.BestEffortPodLevel,
},
{
policy: "best-effort",
scope: "container",
expected: v1alpha1.BestEffortContainerLevel,
},
{
policy: "restricted",
scope: "container",
expected: v1alpha1.RestrictedContainerLevel,
},
{
policy: "restricted",
scope: "pod",
expected: v1alpha1.RestrictedPodLevel,
},
{
policy: "single-numa-node",
scope: "pod",
expected: v1alpha1.SingleNUMANodePodLevel,
},
{
policy: "single-numa-node",
scope: "container",
expected: v1alpha1.SingleNUMANodeContainerLevel,
},
{
policy: "none",
scope: "container",
expected: v1alpha1.None,
},
{
policy: "none",
scope: "pod",
expected: v1alpha1.None,
},
{
policy: "non-existent",
scope: "pod",
expected: v1alpha1.None,
},
{
policy: "non-existent",
scope: "container",
expected: v1alpha1.None,
},
{
policy: "single-numa-node",
scope: "non-existent",
expected: v1alpha1.None,
},
{
policy: "single-numa-node",
scope: "non-existent",
expected: v1alpha1.None,
},
}

for _, tc := range testCases {
actual := DetectTopologyPolicy(tc.policy, tc.scope)
if actual != tc.expected {
t.Errorf("Expected TopologyPolicy to equal: %s not: %s", tc.expected, actual)
}
}
}