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Implement default queue sort logic as a scheduler plugin

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This commit is contained in:
Wei Huang
2020-01-15 12:26:22 -08:00
parent 90d6484f1c
commit c712230ac1
23 changed files with 648 additions and 270 deletions
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12
pkg/scheduler/framework/v1alpha1/framework.go
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@@ -248,6 +248,10 @@ func NewFramework(r Registry, plugins *config.Plugins, args []config.PluginConfi
}
}
if len(f.queueSortPlugins) == 0 {
return nil, fmt.Errorf("no queue sort plugin is enabled")
}
if len(f.queueSortPlugins) > 1 {
return nil, fmt.Errorf("only one queue sort plugin can be enabled")
}
@@ -287,8 +291,14 @@ func updatePluginList(pluginList interface{}, pluginSet *config.PluginSet, plugi
// QueueSortFunc returns the function to sort pods in scheduling queue
func (f *framework) QueueSortFunc() LessFunc {
if f == nil {
// If framework is nil, simply keep their order unchanged.
// NOTE: this is primarily for tests.
return func(_, _ *PodInfo) bool { return false }
}
if len(f.queueSortPlugins) == 0 {
return nil
panic("No QueueSort plugin is registered in the framework.")
}
// Only one QueueSort plugin can be enabled.