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Use PreferAvoidPods annotation to avoid pods being scheduled to specific node.

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1. define PreferAvoidPods annotation
2. add PreferAvoidPodsPriority
3. validate AvoidPods in node annotations
This commit is contained in:
jiangyaoguo
2016-02-25 17:30:31 +08:00
parent eecbfb1a28
commit 4e91166bc6
14 changed files with 2995 additions and 201 deletions
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11
plugin/pkg/scheduler/algorithmprovider/defaults/defaults.go
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@@ -170,6 +170,17 @@ func defaultPriorities() sets.String {
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),
)