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adaa58b6cb
Previously, the verious Merge() policies of the TopologyManager all eturned their own lifecycle.PodAdmitResult result. However, for consistency in any failed admits, this is better handled in the top-level Topology manager, with each policy only returning a boolean about whether or not they would like to admit the pod or not. This commit changes the semantics to match this logic.
112 lines
2.8 KiB
Go
112 lines
2.8 KiB
Go
/*
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Copyright 2019 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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"testing"
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)
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func TestPolicyNoneName(t *testing.T) {
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tcases := []struct {
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name string
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expected string
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}{
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{
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name: "New None Policy",
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expected: "none",
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},
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}
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for _, tc := range tcases {
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policy := NewNonePolicy()
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if policy.Name() != tc.expected {
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t.Errorf("Expected Policy Name to be %s, got %s", tc.expected, policy.Name())
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}
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}
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}
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func TestPolicyNoneCanAdmitPodResult(t *testing.T) {
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tcases := []struct {
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name string
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hint TopologyHint
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expected bool
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}{
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{
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name: "Preferred is set to false in topology hints",
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hint: TopologyHint{nil, false},
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expected: true,
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},
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{
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name: "Preferred is set to true in topology hints",
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hint: TopologyHint{nil, true},
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expected: true,
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},
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}
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for _, tc := range tcases {
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policy := NewNonePolicy()
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result := policy.(*nonePolicy).canAdmitPodResult(&tc.hint)
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if result != tc.expected {
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t.Errorf("Expected result to be %t, got %t", tc.expected, result)
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}
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}
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}
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func TestPolicyNoneMerge(t *testing.T) {
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tcases := []struct {
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name string
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providersHints []map[string][]TopologyHint
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expectedHint TopologyHint
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expectedAdmit bool
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}{
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{
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name: "merged empty providers hints",
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providersHints: []map[string][]TopologyHint{},
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expectedHint: TopologyHint{},
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expectedAdmit: true,
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},
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{
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name: "merge with a single provider with a single preferred resource",
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providersHints: []map[string][]TopologyHint{
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{
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"resource": {{NUMANodeAffinity: NewTestBitMask(0, 1), Preferred: true}},
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},
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},
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expectedHint: TopologyHint{},
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expectedAdmit: true,
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},
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{
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name: "merge with a single provider with a single non-preferred resource",
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providersHints: []map[string][]TopologyHint{
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{
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"resource": {{NUMANodeAffinity: NewTestBitMask(0, 1), Preferred: false}},
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},
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},
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expectedHint: TopologyHint{},
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expectedAdmit: true,
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},
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}
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for _, tc := range tcases {
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policy := NewNonePolicy()
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result, admit := policy.Merge(tc.providersHints)
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if !result.IsEqual(tc.expectedHint) || admit != tc.expectedAdmit {
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t.Errorf("Test Case: %s: Expected merge hint to be %v, got %v", tc.name, tc.expectedHint, result)
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}
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}
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}
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