Esempio n. 1
0
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),
	)
}
Esempio n. 2
0
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,
			},
		),
	)
}