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Add TrackableFilter interface (#4410)

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* add kio filter interface

This interface is an extension of the Filter interface which can be used
for filters which are capable of tracking which fields they mutate.

* add TrackableSetter struct to filtersutil

This struct provides an abstraction to help Filters implement the
TrackableFilter interface

* implement TrackableFilter with annotations

This updates the annotations filter to implement the TrackableFilter
interface by reusing the TrackableSetter abstraction provided by
filtersutil.

This is done to provide a generic and consistent experience across the
filters

* implement TrackableFilter with labels

This updates the labels filter to implement the TrackableFilter
interface by reusing the TrackableSetter abstraction provided by
filtersutil.

This is done to provide a generic and consistent experience across the
filters
This commit is contained in:
sdowell
2022-01-24 11:05:32 -08:00
committed by GitHub
parent 69e5228264
commit 3687250ca2
6 changed files with 61 additions and 28 deletions
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7
kyaml/kio/kio.go
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@@ -57,6 +57,13 @@ type Filter interface {
Filter([]*yaml.RNode) ([]*yaml.RNode, error)
}
// TrackableFilter is an extension of Filter which is also capable of tracking
// which fields were mutated by the filter.
type TrackableFilter interface {
Filter
WithMutationTracker(func(key, value, tag string, node *yaml.RNode))
}
// FilterFunc implements a Filter as a function.
type FilterFunc func([]*yaml.RNode) ([]*yaml.RNode, error)