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Adding label checker predicates and test cases

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This commit is contained in:
Abhishek Gupta
2014-12-22 13:54:41 -08:00
parent 04db076e5f
commit 9dd7d2a0a1
8 changed files with 299 additions and 13 deletions
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2
plugin/pkg/scheduler/algorithmprovider/defaults/defaults.go
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@@ -50,7 +50,7 @@ func defaultPriorities() util.StringSet {
factory.RegisterPriorityFunction("ServiceSpreadingPriority", algorithm.NewServiceSpreadPriority(factory.ServiceLister), 1),
// spreads pods belonging to the same service across minions in different zones
// TODO: remove the hardcoding of the "zone" label and move it to a constant
factory.RegisterPriorityFunction("ZoneSpreadingPriority", algorithm.NewZoneSpreadPriority(factory.ServiceLister, "zone"), 1),
factory.RegisterPriorityFunction("ZoneSpreadingPriority", algorithm.NewServiceAntiAffinityPriority(factory.ServiceLister, "zone"), 1),
// EqualPriority is a prioritizer function that gives an equal weight of one to all minions
factory.RegisterPriorityFunction("EqualPriority", algorithm.EqualPriority, 0),
)

44
plugin/pkg/scheduler/algorithmprovider/labelchecker/labelchecker.go Normal file
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@@ -0,0 +1,44 @@
/*
Copyright 2014 Google Inc. All rights reserved.
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.
*/
// This is the default algorithm provider for the scheduler.
package labelchecker
import (
algorithm "github.com/GoogleCloudPlatform/kubernetes/pkg/scheduler"
"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
"github.com/GoogleCloudPlatform/kubernetes/plugin/pkg/scheduler/factory"
)
const Provider string = "LabelCheckerProvider"
func init() {
factory.RegisterAlgorithmProvider(Provider, defaultPredicates(), defaultPriorities())
}
func defaultPredicates() util.StringSet {
return util.NewStringSet(
// Fit is defined based on the presence/absence of a label on a minion, regardless of value.
factory.RegisterFitPredicate("NodeLabelPredicate", algorithm.NewNodeLabelPredicate(factory.MinionLister, []string{"region"}, true)),
)
}
func defaultPriorities() util.StringSet {
return util.NewStringSet(
// Prioritize nodes based on the presence/absence of a label on a minion, regardless of value.
factory.RegisterPriorityFunction("NodeLabelPriority", algorithm.NewNodeLabelPriority("", true), 1),
)
}