代码拉取完成,页面将自动刷新
/*
Copyright 2014 The Kubernetes Authors 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 defaults
import (
"k8s.io/kubernetes/pkg/util/sets"
"k8s.io/kubernetes/plugin/pkg/scheduler"
"k8s.io/kubernetes/plugin/pkg/scheduler/algorithm"
"k8s.io/kubernetes/plugin/pkg/scheduler/algorithm/predicates"
"k8s.io/kubernetes/plugin/pkg/scheduler/algorithm/priorities"
"k8s.io/kubernetes/plugin/pkg/scheduler/factory"
)
func init() {
factory.RegisterAlgorithmProvider(factory.DefaultProvider, defaultPredicates(), defaultPriorities())
// EqualPriority is a prioritizer function that gives an equal weight of one to all nodes
// Register the priority function so that its available
// but do not include it as part of the default priorities
factory.RegisterPriorityFunction("EqualPriority", scheduler.EqualPriority, 1)
// ServiceSpreadingPriority is a priority config factory that spreads pods by minimizing
// the number of pods (belonging to the same service) on the same node.
// Register the factory so that it's available, but do not include it as part of the default priorities
// Largely replaced by "SelectorSpreadPriority", but registered for backward compatibility with 1.0
factory.RegisterPriorityConfigFactory(
"ServiceSpreadingPriority",
factory.PriorityConfigFactory{
Function: func(args factory.PluginFactoryArgs) algorithm.PriorityFunction {
return priorities.NewSelectorSpreadPriority(args.ServiceLister, algorithm.EmptyControllerLister{})
},
Weight: 1,
},
)
// PodFitsPorts has been replaced by PodFitsHostPorts for better user understanding.
// For backwards compatibility with 1.0, PodFitsPorts is regitered as well.
factory.RegisterFitPredicate("PodFitsPorts", predicates.PodFitsHostPorts)
}
func defaultPredicates() sets.String {
return sets.NewString(
// Fit is defined based on the absence of port conflicts.
factory.RegisterFitPredicate("PodFitsHostPorts", predicates.PodFitsHostPorts),
// Fit is determined by resource availability.
factory.RegisterFitPredicateFactory(
"PodFitsResources",
func(args factory.PluginFactoryArgs) algorithm.FitPredicate {
return predicates.NewResourceFitPredicate(args.NodeInfo)
},
),
// Fit is determined by non-conflicting disk volumes.
factory.RegisterFitPredicate("NoDiskConflict", predicates.NoDiskConflict),
// Fit is determined by node selector query.
factory.RegisterFitPredicateFactory(
"MatchNodeSelector",
func(args factory.PluginFactoryArgs) algorithm.FitPredicate {
return predicates.NewSelectorMatchPredicate(args.NodeInfo)
},
),
// Fit is determined by the presence of the Host parameter and a string match
factory.RegisterFitPredicate("HostName", predicates.PodFitsHost),
)
}
func defaultPriorities() sets.String {
return sets.NewString(
// Prioritize nodes by least requested utilization.
factory.RegisterPriorityFunction("LeastRequestedPriority", priorities.LeastRequestedPriority, 1),
// Prioritizes nodes to help achieve balanced resource usage
factory.RegisterPriorityFunction("BalancedResourceAllocation", priorities.BalancedResourceAllocation, 1),
// spreads pods by minimizing the number of pods (belonging to the same service or replication controller) on the same node.
factory.RegisterPriorityConfigFactory(
"SelectorSpreadPriority",
factory.PriorityConfigFactory{
Function: func(args factory.PluginFactoryArgs) algorithm.PriorityFunction {
return priorities.NewSelectorSpreadPriority(args.ServiceLister, args.ControllerLister)
},
Weight: 1,
},
),
)
}
此处可能存在不合适展示的内容,页面不予展示。您可通过相关编辑功能自查并修改。
如您确认内容无涉及 不当用语 / 纯广告导流 / 暴力 / 低俗色情 / 侵权 / 盗版 / 虚假 / 无价值内容或违法国家有关法律法规的内容,可点击提交进行申诉,我们将尽快为您处理。