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Allow for creating stand-alone dc filter #4061

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merged 1 commit into from
Oct 7, 2024
Merged

Allow for creating stand-alone dc filter #4061

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23 changes: 23 additions & 0 deletions v3/pkg/util/inexlist/dcfilter/dcfilter.go
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,29 @@ func Apply(dcMap map[string][]string, filters []string) ([]string, error) {
return filtered, nil
}

// Filter that lets you filter datacenters.
type Filter struct {
filters []string
inex inexlist.InExList
}

func NewFilter(filters []string) (*Filter, error) {
// Decorate filters and create inexlist
inex, err := inexlist.ParseInExList(decorate(filters))
if err != nil {
return nil, errors.Wrapf(err, "parse dc filter %v", filters)
}
return &Filter{
filters: filters,
inex: inex,
}, nil
}

// Check returns true iff dc matches filter.
func (f *Filter) Check(dc string) bool {
return len(f.inex.Filter([]string{dc})) > 0
}

func decorate(filters []string) []string {
if len(filters) == 0 {
filters = append(filters, "*")
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