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Code Issues Projects Releases Wiki Activity

Move TopologyManager TestPolicyMerge() to shared test file

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This commit is contained in:
Kevin Klues 2019-11-04 15:34:18 +01:00
parent d7d7bfcda0
commit 7ea1fc9be4
3 changed files with 682 additions and 657 deletions
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1
pkg/kubelet/cm/topologymanager/BUILD
View File

@ -47,6 +47,7 @@ go_test(
"policy_none_test.go",
"policy_restricted_test.go",
"policy_single_numa_node_test.go",
"policy_test.go",
"topology_manager_test.go",
],
embed = [":go_default_library"],

681
pkg/kubelet/cm/topologymanager/policy_test.go Normal file
View File

@ -0,0 +1,681 @@
/*
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 (
"testing"
"k8s.io/api/core/v1"
)
func TestPolicyMerge(t *testing.T) {
numaNodes := []int{0, 1}
tcases := []struct {
name string
hp []HintProvider
expected TopologyHint
policy Policy
}{
{
name: "TopologyHint not set",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(numaNodes...),
Preferred: true,
},
},
{
name: "HintProvider returns empty non-nil map[string][]TopologyHint",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(numaNodes...),
Preferred: true,
},
},
{
name: "HintProvider returns -nil map[string][]TopologyHint from provider",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource": nil,
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(numaNodes...),
Preferred: true,
},
},
{
name: "HintProvider returns empty non-nil map[string][]TopologyHint from provider",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource": {},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(numaNodes...),
Preferred: false,
},
},
{
name: "Single TopologyHint with Preferred as true and NUMANodeAffinity as nil",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource": {
{
NUMANodeAffinity: nil,
Preferred: true,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(numaNodes...),
Preferred: true,
},
},
{
name: "Single TopologyHint with Preferred as false and NUMANodeAffinity as nil",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource": {
{
NUMANodeAffinity: nil,
Preferred: false,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(numaNodes...),
Preferred: false,
},
},
{
name: "Two providers, 1 hint each, same mask, both preferred 1/2",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
{
name: "Two providers, 1 hint each, same mask, both preferred 2/2",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
{
name: "Two providers, 1 hint each, 1 wider mask, both preferred 1/2",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: true,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
{
name: "Two providers, 1 hint each, 1 wider mask, both preferred 1/2",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: true,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
{
name: "Two providers, 1 hint each, no common mask",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(numaNodes...),
Preferred: false,
},
},
{
name: "Two providers, 1 hint each, same mask, 1 preferred, 1 not 1/2",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: false,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: false,
},
},
{
name: "Two providers, 1 hint each, same mask, 1 preferred, 1 not 2/2",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: false,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: false,
},
},
{
name: "Two providers, 1 no hints, 1 single hint preferred 1/2",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{},
&mockHintProvider{
map[string][]TopologyHint{
"resource": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
{
name: "Two providers, 1 no hints, 1 single hint preferred 2/2",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{},
&mockHintProvider{
map[string][]TopologyHint{
"resource": {
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
{
name: "Two providers, 1 with 2 hints, 1 with single hint matching 1/2",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
{
name: "Two providers, 1 with 2 hints, 1 with single hint matching 2/2",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
{
name: "Two providers, 1 with 2 hints, 1 with single non-preferred hint matching",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: false,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: false,
},
},
{
name: "Two providers, both with 2 hints, matching narrower preferred hint from both",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: false,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
{
name: "Ensure less narrow preferred hints are chosen over narrower non-preferred hints",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: false,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: false,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
{
name: "Multiple resources, same provider",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: false,
},
},
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: false,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
{
name: "Special cased PolicySingleNumaNode for single NUMA hint generation",
policy: NewSingleNumaNodePolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: true,
},
},
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: false,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: false,
},
},
{
name: "Special cased PolicySingleNumaNode with one no-preference provider",
policy: NewSingleNumaNodePolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: false,
},
},
},
},
&mockHintProvider{
nil,
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
}
for _, tc := range tcases {
var providersHints []map[string][]TopologyHint
for _, provider := range tc.hp {
hints := provider.GetTopologyHints(v1.Pod{}, v1.Container{})
providersHints = append(providersHints, hints)
}
actual, _ := tc.policy.Merge(providersHints)
if !actual.NUMANodeAffinity.IsEqual(tc.expected.NUMANodeAffinity) {
t.Errorf("Expected NUMANodeAffinity in result to be %v, got %v", tc.expected.NUMANodeAffinity, actual.NUMANodeAffinity)
}
if actual.Preferred != tc.expected.Preferred {
t.Errorf("Expected Affinity preference in result to be %v, got %v", tc.expected.Preferred, actual.Preferred)
}
}
}

657
pkg/kubelet/cm/topologymanager/topology_manager_test.go
View File

@ -104,663 +104,6 @@ func TestGetAffinity(t *testing.T) {
}
}
func TestPolicyMerge(t *testing.T) {
numaNodes := []int{0, 1}
tcases := []struct {
name string
hp []HintProvider
expected TopologyHint
policy Policy
}{
{
name: "TopologyHint not set",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(numaNodes...),
Preferred: true,
},
},
{
name: "HintProvider returns empty non-nil map[string][]TopologyHint",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(numaNodes...),
Preferred: true,
},
},
{
name: "HintProvider returns -nil map[string][]TopologyHint from provider",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource": nil,
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(numaNodes...),
Preferred: true,
},
},
{
name: "HintProvider returns empty non-nil map[string][]TopologyHint from provider",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource": {},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(numaNodes...),
Preferred: false,
},
},
{
name: "Single TopologyHint with Preferred as true and NUMANodeAffinity as nil",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource": {
{
NUMANodeAffinity: nil,
Preferred: true,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(numaNodes...),
Preferred: true,
},
},
{
name: "Single TopologyHint with Preferred as false and NUMANodeAffinity as nil",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource": {
{
NUMANodeAffinity: nil,
Preferred: false,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(numaNodes...),
Preferred: false,
},
},
{
name: "Two providers, 1 hint each, same mask, both preferred 1/2",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
{
name: "Two providers, 1 hint each, same mask, both preferred 2/2",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
{
name: "Two providers, 1 hint each, 1 wider mask, both preferred 1/2",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: true,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
{
name: "Two providers, 1 hint each, 1 wider mask, both preferred 1/2",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: true,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
{
name: "Two providers, 1 hint each, no common mask",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(numaNodes...),
Preferred: false,
},
},
{
name: "Two providers, 1 hint each, same mask, 1 preferred, 1 not 1/2",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: false,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: false,
},
},
{
name: "Two providers, 1 hint each, same mask, 1 preferred, 1 not 2/2",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: false,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: false,
},
},
{
name: "Two providers, 1 no hints, 1 single hint preferred 1/2",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{},
&mockHintProvider{
map[string][]TopologyHint{
"resource": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
{
name: "Two providers, 1 no hints, 1 single hint preferred 2/2",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{},
&mockHintProvider{
map[string][]TopologyHint{
"resource": {
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
{
name: "Two providers, 1 with 2 hints, 1 with single hint matching 1/2",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
{
name: "Two providers, 1 with 2 hints, 1 with single hint matching 2/2",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
{
name: "Two providers, 1 with 2 hints, 1 with single non-preferred hint matching",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: false,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: false,
},
},
{
name: "Two providers, both with 2 hints, matching narrower preferred hint from both",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: false,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
{
name: "Ensure less narrow preferred hints are chosen over narrower non-preferred hints",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: false,
},
},
},
},
&mockHintProvider{
map[string][]TopologyHint{
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: false,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
{
name: "Multiple resources, same provider",
policy: NewBestEffortPolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: false,
},
},
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: false,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
},
{
name: "Special cased PolicySingleNumaNode for single NUMA hint generation",
policy: NewSingleNumaNodePolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: true,
},
},
"resource2": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: false,
},
},
},
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: false,
},
},
{
name: "Special cased PolicySingleNumaNode with one no-preference provider",
policy: NewSingleNumaNodePolicy(numaNodes),
hp: []HintProvider{
&mockHintProvider{
map[string][]TopologyHint{
"resource1": {
{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(1),
Preferred: true,
},
{
NUMANodeAffinity: NewTestBitMask(0, 1),
Preferred: false,
},
},
},
},
&mockHintProvider{
nil,
},
},
expected: TopologyHint{
NUMANodeAffinity: NewTestBitMask(0),
Preferred: true,
},
},
}
for _, tc := range tcases {
var providersHints []map[string][]TopologyHint
for _, provider := range tc.hp {
hints := provider.GetTopologyHints(v1.Pod{}, v1.Container{})
providersHints = append(providersHints, hints)
}
actual, _ := tc.policy.Merge(providersHints)
if !actual.NUMANodeAffinity.IsEqual(tc.expected.NUMANodeAffinity) {
t.Errorf("Expected NUMANodeAffinity in result to be %v, got %v", tc.expected.NUMANodeAffinity, actual.NUMANodeAffinity)
}
if actual.Preferred != tc.expected.Preferred {
t.Errorf("Expected Affinity preference in result to be %v, got %v", tc.expected.Preferred, actual.Preferred)
}
}
}
func TestAddContainer(t *testing.T) {
testCases := []struct {
name string