func defaultPriorities() util.StringSet {
return util.NewStringSet(
// Prioritize nodes by least requested utilization.
factory.RegisterPriorityFunction("LeastRequestedPriority", algorithm.LeastRequestedPriority, 1),
// spreads pods by minimizing the number of pods (belonging to the same service) on the same minion.
factory.RegisterPriorityFunction("ServiceSpreadingPriority", algorithm.NewServiceSpreadPriority(factory.ServiceLister), 1),
// EqualPriority is a prioritizer function that gives an equal weight of one to all minions
factory.RegisterPriorityFunction("EqualPriority", algorithm.EqualPriority, 0),
)
}
func affinityPriorities() util.StringSet {
return util.NewStringSet(
"LeastRequestedPriority",
"ServiceSpreadingPriority",
// spreads pods belonging to the same service across minions in different zones
factory.RegisterPriorityFunction("ZoneSpreadingPriority", algorithm.NewServiceAntiAffinityPriority(factory.ServiceLister, "zone"), 2),
// Prioritize nodes based on the presence of the "zone" label on a minion, regardless of value.
factory.RegisterPriorityFunction("NodeLabelPriority", algorithm.NewNodeLabelPriority("zone", true), 1),
)
}
func defaultPriorities() util.StringSet {
return util.NewStringSet(
// Prioritize nodes by least requested utilization.
factory.RegisterPriorityFunction("LeastRequestedPriority", algorithm.LeastRequestedPriority, 1),
// spreads pods by minimizing the number of pods on the same minion with the same labels.
factory.RegisterPriorityFunction("SpreadingPriority", algorithm.CalculateSpreadPriority, 1),
// EqualPriority is a prioritizer function that gives an equal weight of one to all minions
factory.RegisterPriorityFunction("EqualPriority", algorithm.EqualPriority, 0),
)
}
func init() {
factory.RegisterAlgorithmProvider(factory.DefaultProvider, defaultPredicates(), defaultPriorities())
// EqualPriority is a prioritizer function that gives an equal weight of one to all minions
// 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)
}
func defaultPriorities() util.StringSet {
return util.NewStringSet(
// 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) on the same minion.
factory.RegisterPriorityConfigFactory(
"ServiceSpreadingPriority",
factory.PriorityConfigFactory{
Function: func(args factory.PluginFactoryArgs) algorithm.PriorityFunction {
return priorities.NewServiceSpreadPriority(args.ServiceLister)
},
Weight: 1,
},
),
)
}
