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hpa: Prevent scaling below MinReplicas if desiredReplicas is zero

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This commit is contained in:
Johannes Würbach
2017-07-16 21:36:08 +02:00
parent b516a521b1
commit a99d988e3b
2 changed files with 23 additions and 4 deletions
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19
pkg/controller/podautoscaler/horizontal_test.go
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@@ -994,6 +994,25 @@ func TestMinReplicas(t *testing.T) {
tc.runTest(t)
}
func TestMinReplicasDesiredZero(t *testing.T) {
tc := testCase{
minReplicas: 2,
maxReplicas: 5,
initialReplicas: 3,
desiredReplicas: 2,
CPUTarget: 90,
reportedLevels: []uint64{0, 0, 0},
reportedCPURequests: []resource.Quantity{resource.MustParse("0.9"), resource.MustParse("1.0"), resource.MustParse("1.1")},
useMetricsApi: true,
expectedConditions: statusOkWithOverrides(autoscalingv2.HorizontalPodAutoscalerCondition{
Type: autoscalingv2.ScalingLimited,
Status: v1.ConditionTrue,
Reason: "TooFewReplicas",
}),
}
tc.runTest(t)
}
func TestZeroReplicas(t *testing.T) {
tc := testCase{
minReplicas: 3,