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Add new controller.SimpleFilter and controller.NoOpFilter utilities.

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Signed-off-by: Matt Moyer <moyerm@vmware.com>
This commit is contained in:
Matt Moyer 2020-09-09 14:55:59 -05:00
parent 19c671a60a
commit 92fabf43b3
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GPG Key ID: EAE88AD172C5AE2D
1 changed files with 15 additions and 8 deletions
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21
internal/controller/utils.go
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@ -11,16 +11,23 @@ import (
"github.com/suzerain-io/pinniped/internal/controllerlib" "github.com/suzerain-io/pinniped/internal/controllerlib"
) )
func NameAndNamespaceExactMatchFilterFactory(name, namespace string) controllerlib.FilterFuncs { func NameAndNamespaceExactMatchFilterFactory(name, namespace string) controllerlib.Filter {
objMatchesFunc := func(obj metav1.Object) bool { return SimpleFilter(func(obj metav1.Object) bool {
return obj.GetName() == name && obj.GetNamespace() == namespace return obj.GetName() == name && obj.GetNamespace() == namespace
})
} }
// NoOpFilter returns a controllerlib.Filter that allows all objects.
func NoOpFilter() controllerlib.Filter {
return SimpleFilter(func(object metav1.Object) bool { return true })
}
// SimpleFilter takes a single boolean match function on a metav1.Object and wraps it into a proper controllerlib.Filter.
func SimpleFilter(match func(metav1.Object) bool) controllerlib.Filter {
return controllerlib.FilterFuncs{ return controllerlib.FilterFuncs{
AddFunc: objMatchesFunc, AddFunc: match,
UpdateFunc: func(oldObj, newObj metav1.Object) bool { UpdateFunc: func(oldObj, newObj metav1.Object) bool { return match(oldObj) || match(newObj) },
return objMatchesFunc(oldObj) || objMatchesFunc(newObj) DeleteFunc: match,
},
DeleteFunc: objMatchesFunc,
} }
} }