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.PodLister, args.ServiceLister, args.ControllerLister, args.ReplicaSetLister)
},
Weight: 1,
},
),
factory.RegisterPriorityConfigFactory(
"NodePreferAvoidPodsPriority",
factory.PriorityConfigFactory{
Function: func(args factory.PluginFactoryArgs) algorithm.PriorityFunction {
return priorities.NewNodePreferAvoidPodsPriority(args.ControllerLister, args.ReplicaSetLister)
},
// Set this weight large enough to override all other priority functions.
// TODO: Figure out a better way to do this, maybe at same time as fixing #24720.
Weight: 10000,
},
),
factory.RegisterPriorityFunction("NodeAffinityPriority", priorities.CalculateNodeAffinityPriority, 1),
factory.RegisterPriorityFunction("TaintTolerationPriority", priorities.ComputeTaintTolerationPriority, 1),
)
}
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.PodLister, args.ServiceLister, args.ControllerLister, args.ReplicaSetLister)
},
Weight: 1,
},
),
factory.RegisterPriorityConfigFactory(
"NodePreferAvoidPodsPriority",
factory.PriorityConfigFactory{
Function: func(args factory.PluginFactoryArgs) algorithm.PriorityFunction {
return priorities.NewNodePreferAvoidPodsPriority(args.ControllerLister, args.ReplicaSetLister)
},
// Set this weight large enough to override all other priority functions.
// TODO: Figure out a better way to do this, maybe at same time as fixing #24720.
Weight: 10000,
},
),
factory.RegisterPriorityFunction("NodeAffinityPriority", priorities.CalculateNodeAffinityPriority, 1),
factory.RegisterPriorityFunction("TaintTolerationPriority", priorities.ComputeTaintTolerationPriority, 1),
// pods should be placed in the same topological domain (e.g. same node, same rack, same zone, same power domain, etc.)
// as some other pods, or, conversely, should not be placed in the same topological domain as some other pods.
factory.RegisterPriorityConfigFactory(
"InterPodAffinityPriority",
factory.PriorityConfigFactory{
Function: func(args factory.PluginFactoryArgs) algorithm.PriorityFunction {
return priorities.NewInterPodAffinityPriority(args.NodeInfo, args.NodeLister, args.PodLister, args.HardPodAffinitySymmetricWeight, args.FailureDomains)
},
Weight: 1,
},
),
)
}