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Merge pull request #84054 from ahg-g/ahg-gp

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GeneralPredicate as framework plugin config
This commit is contained in:
Kubernetes Prow Robot 2019-10-17 21:19:58 -07:00 committed by GitHub
commit d1a79f136b
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4 changed files with 54 additions and 23 deletions
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56
pkg/scheduler/api/compatibility/compatibility_test.go
View File

@ -36,6 +36,9 @@ import (
)
func TestCompatibility_v1_Scheduler(t *testing.T) {
snapshot := scheduler.RegisteredPredicatesAndPrioritiesSnapshot()
defer scheduler.ApplyPredicatesAndPriorities(snapshot)
// Add serialized versions of scheduler config that exercise available options to ensure compatibility between releases
schedulerFiles := map[string]struct {
JSON string
@ -44,6 +47,27 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
wantPlugins map[string][]kubeschedulerconfig.Plugin
wantExtenders []schedulerapi.ExtenderConfig
}{
// This is a special test for the "composite" predicate "GeneralPredicate". GeneralPredicate is a combination
// of predicates, and here we test that if given, it is mapped to the set of plugins that should be executed.
"GeneralPredicate": {
JSON: `{
"kind": "Policy",
"apiVersion": "v1",
"predicates": [
{"name": "GeneralPredicates"}
],
"priorities": [
]
}`,
wantPlugins: map[string][]kubeschedulerconfig.Plugin{
"FilterPlugin": {
{Name: "NodeResources"},
{Name: "NodeName"},
{Name: "NodePorts"},
{Name: "NodeAffinity"},
},
},
},
// Do not change this JSON after the corresponding release has been tagged.
// A failure indicates backwards compatibility with the specified release was broken.
"1.0": {
@ -209,7 +233,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
{"name": "MaxGCEPDVolumeCount"},
{"name": "MaxAzureDiskVolumeCount"},
{"name": "MatchInterPodAffinity"},
{"name": "GeneralPredicates"},
{"name": "TestServiceAffinity", "argument": {"serviceAffinity" : {"labels" : ["region"]}}},
{"name": "TestLabelsPresence", "argument": {"labelsPresence" : {"labels" : ["foo"], "presence":true}}}
],"priorities": [
@ -229,7 +252,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
"MaxGCEPDVolumeCount",
"MaxAzureDiskVolumeCount",
"MatchInterPodAffinity",
"GeneralPredicates",
"TestServiceAffinity",
"TestLabelsPresence",
),
@ -278,7 +300,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
{"name": "MaxGCEPDVolumeCount"},
{"name": "MaxAzureDiskVolumeCount"},
{"name": "MatchInterPodAffinity"},
{"name": "GeneralPredicates"},
{"name": "TestServiceAffinity", "argument": {"serviceAffinity" : {"labels" : ["region"]}}},
{"name": "TestLabelsPresence", "argument": {"labelsPresence" : {"labels" : ["foo"], "presence":true}}}
],"priorities": [
@ -301,7 +322,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
"MaxGCEPDVolumeCount",
"MaxAzureDiskVolumeCount",
"MatchInterPodAffinity",
"GeneralPredicates",
"TestServiceAffinity",
"TestLabelsPresence",
),
@ -351,7 +371,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
{"name": "MaxGCEPDVolumeCount"},
{"name": "MaxAzureDiskVolumeCount"},
{"name": "MatchInterPodAffinity"},
{"name": "GeneralPredicates"},
{"name": "TestServiceAffinity", "argument": {"serviceAffinity" : {"labels" : ["region"]}}},
{"name": "TestLabelsPresence", "argument": {"labelsPresence" : {"labels" : ["foo"], "presence":true}}}
],"priorities": [
@ -384,7 +403,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
"MaxGCEPDVolumeCount",
"MaxAzureDiskVolumeCount",
"MatchInterPodAffinity",
"GeneralPredicates",
"TestServiceAffinity",
"TestLabelsPresence",
),
@ -446,7 +464,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
{"name": "MaxGCEPDVolumeCount"},
{"name": "MaxAzureDiskVolumeCount"},
{"name": "MatchInterPodAffinity"},
{"name": "GeneralPredicates"},
{"name": "TestServiceAffinity", "argument": {"serviceAffinity" : {"labels" : ["region"]}}},
{"name": "TestLabelsPresence", "argument": {"labelsPresence" : {"labels" : ["foo"], "presence":true}}}
],"priorities": [
@ -480,7 +497,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
"MaxGCEPDVolumeCount",
"MaxAzureDiskVolumeCount",
"MatchInterPodAffinity",
"GeneralPredicates",
"TestServiceAffinity",
"TestLabelsPresence",
),
@ -542,7 +558,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
{"name": "MaxGCEPDVolumeCount"},
{"name": "MaxAzureDiskVolumeCount"},
{"name": "MatchInterPodAffinity"},
{"name": "GeneralPredicates"},
{"name": "CheckVolumeBinding"},
{"name": "TestServiceAffinity", "argument": {"serviceAffinity" : {"labels" : ["region"]}}},
{"name": "TestLabelsPresence", "argument": {"labelsPresence" : {"labels" : ["foo"], "presence":true}}}
@ -577,7 +592,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
"MaxGCEPDVolumeCount",
"MaxAzureDiskVolumeCount",
"MatchInterPodAffinity",
"GeneralPredicates",
"TestServiceAffinity",
"TestLabelsPresence",
),
@ -642,7 +656,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
{"name": "MaxGCEPDVolumeCount"},
{"name": "MaxAzureDiskVolumeCount"},
{"name": "MatchInterPodAffinity"},
{"name": "GeneralPredicates"},
{"name": "CheckVolumeBinding"},
{"name": "TestServiceAffinity", "argument": {"serviceAffinity" : {"labels" : ["region"]}}},
{"name": "TestLabelsPresence", "argument": {"labelsPresence" : {"labels" : ["foo"], "presence":true}}}
@ -680,7 +693,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
"MaxGCEPDVolumeCount",
"MaxAzureDiskVolumeCount",
"MatchInterPodAffinity",
"GeneralPredicates",
"TestServiceAffinity",
"TestLabelsPresence",
),
@ -746,7 +758,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
{"name": "MaxGCEPDVolumeCount"},
{"name": "MaxAzureDiskVolumeCount"},
{"name": "MatchInterPodAffinity"},
{"name": "GeneralPredicates"},
{"name": "CheckVolumeBinding"},
{"name": "TestServiceAffinity", "argument": {"serviceAffinity" : {"labels" : ["region"]}}},
{"name": "TestLabelsPresence", "argument": {"labelsPresence" : {"labels" : ["foo"], "presence":true}}}
@ -795,7 +806,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
"MaxGCEPDVolumeCount",
"MaxAzureDiskVolumeCount",
"MatchInterPodAffinity",
"GeneralPredicates",
"TestServiceAffinity",
"TestLabelsPresence",
),
@ -863,7 +873,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
{"name": "MaxAzureDiskVolumeCount"},
{"name": "MaxCSIVolumeCountPred"},
{"name": "MatchInterPodAffinity"},
{"name": "GeneralPredicates"},
{"name": "CheckVolumeBinding"},
{"name": "TestServiceAffinity", "argument": {"serviceAffinity" : {"labels" : ["region"]}}},
{"name": "TestLabelsPresence", "argument": {"labelsPresence" : {"labels" : ["foo"], "presence":true}}}
@ -912,7 +921,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
"MaxGCEPDVolumeCount",
"MaxAzureDiskVolumeCount",
"MatchInterPodAffinity",
"GeneralPredicates",
"TestServiceAffinity",
"TestLabelsPresence",
),
@ -980,7 +988,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
{"name": "MaxCSIVolumeCountPred"},
{"name": "MaxCinderVolumeCount"},
{"name": "MatchInterPodAffinity"},
{"name": "GeneralPredicates"},
{"name": "CheckVolumeBinding"},
{"name": "TestServiceAffinity", "argument": {"serviceAffinity" : {"labels" : ["region"]}}},
{"name": "TestLabelsPresence", "argument": {"labelsPresence" : {"labels" : ["foo"], "presence":true}}}
@ -1030,7 +1037,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
"MaxAzureDiskVolumeCount",
"MaxCinderVolumeCount",
"MatchInterPodAffinity",
"GeneralPredicates",
"TestServiceAffinity",
"TestLabelsPresence",
),
@ -1098,7 +1104,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
{"name": "MaxCSIVolumeCountPred"},
{"name": "MaxCinderVolumeCount"},
{"name": "MatchInterPodAffinity"},
{"name": "GeneralPredicates"},
{"name": "CheckVolumeBinding"},
{"name": "TestServiceAffinity", "argument": {"serviceAffinity" : {"labels" : ["region"]}}},
{"name": "TestLabelsPresence", "argument": {"labelsPresence" : {"labels" : ["foo"], "presence":true}}}
@ -1152,7 +1157,6 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
"MaxAzureDiskVolumeCount",
"MaxCinderVolumeCount",
"MatchInterPodAffinity",
"GeneralPredicates",
"TestServiceAffinity",
"TestLabelsPresence",
),
@ -1204,6 +1208,7 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
seenPredicates := sets.NewString()
seenPriorities := sets.NewString()
mandatoryPredicates := sets.NewString("CheckNodeCondition")
generalPredicateFilters := []string{"NodeResources", "NodeName", "NodePorts", "NodeAffinity"}
filterToPredicateMap := map[string]string{
"TaintToleration": "PodToleratesNodeTaints",
"NodeName": "HostName",
@ -1273,6 +1278,9 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
seenPredicates.Insert(filterToPredicateMap[p.Name])
}
if pluginsToStringSet(gotPlugins["FilterPlugin"]).HasAll(generalPredicateFilters...) {
seenPredicates.Insert("GeneralPredicates")
}
for _, p := range gotPlugins["ScorePlugin"] {
seenPriorities.Insert(scoreToPriorityMap[p.Name])
@ -1308,3 +1316,11 @@ func TestCompatibility_v1_Scheduler(t *testing.T) {
t.Errorf("Registered priorities are missing from compatibility test (add to test stanza for version currently in development): %#v", registeredPriorities.Difference(seenPriorities).List())
}
}
func pluginsToStringSet(plugins []kubeschedulerconfig.Plugin) sets.String {
s := sets.NewString()
for _, p := range plugins {
s.Insert(p.Name)
}
return s
}

2
pkg/scheduler/core/generic_scheduler.go
View File

@ -646,7 +646,7 @@ func (g *genericScheduler) podFitsOnNode(
if err != nil {
return false, []predicates.PredicateFailureReason{}, nil, err
}
} else if !podsAdded || len(failedPredicates) != 0 {
} else if !podsAdded || len(failedPredicates) != 0 || !status.IsSuccess() {
break
}

9
pkg/scheduler/framework/plugins/default_registry.go
View File

@ -109,6 +109,15 @@ func NewDefaultConfigProducerRegistry() *ConfigProducerRegistry {
PredicateToConfigProducer: make(map[string]ConfigProducer),
PriorityToConfigProducer: make(map[string]ConfigProducer),
}
registry.RegisterPredicate(predicates.GeneralPred,
func(_ ConfigProducerArgs) (plugins config.Plugins, pluginConfig []config.PluginConfig) {
// GeneralPredicate is a combination of predicates.
plugins.Filter = appendToPluginSet(plugins.Filter, noderesources.Name, nil)
plugins.Filter = appendToPluginSet(plugins.Filter, nodename.Name, nil)
plugins.Filter = appendToPluginSet(plugins.Filter, nodeports.Name, nil)
plugins.Filter = appendToPluginSet(plugins.Filter, nodeaffinity.Name, nil)
return
})
registry.RegisterPredicate(predicates.PodToleratesNodeTaintsPred,
func(_ ConfigProducerArgs) (plugins config.Plugins, pluginConfig []config.PluginConfig) {
plugins.Filter = appendToPluginSet(plugins.Filter, tainttoleration.Name, nil)

10
test/integration/scheduler/scheduler_test.go
View File

@ -129,7 +129,6 @@ func TestSchedulerCreationFromConfigMap(t *testing.T) {
"CheckNodeDiskPressure",
"CheckNodeMemoryPressure",
"CheckNodePIDPressure",
"GeneralPredicates",
"MatchInterPodAffinity",
"MaxAzureDiskVolumeCount",
"MaxEBSVolumeCount",
@ -143,6 +142,10 @@ func TestSchedulerCreationFromConfigMap(t *testing.T) {
),
expectedPlugins: map[string][]kubeschedulerconfig.Plugin{
"FilterPlugin": {
{Name: "NodeResources"},
{Name: "NodeName"},
{Name: "NodePorts"},
{Name: "NodeAffinity"},
{Name: "VolumeRestrictions"},
{Name: "TaintToleration"},
{Name: "NodeVolumeLimits"},
@ -200,7 +203,6 @@ kind: Policy
"CheckNodeDiskPressure",
"CheckNodeMemoryPressure",
"CheckNodePIDPressure",
"GeneralPredicates",
"MatchInterPodAffinity",
"MaxAzureDiskVolumeCount",
"MaxEBSVolumeCount",
@ -214,6 +216,10 @@ kind: Policy
),
expectedPlugins: map[string][]kubeschedulerconfig.Plugin{
"FilterPlugin": {
{Name: "NodeResources"},
{Name: "NodeName"},
{Name: "NodePorts"},
{Name: "NodeAffinity"},
{Name: "VolumeRestrictions"},
{Name: "TaintToleration"},
{Name: "NodeVolumeLimits"},