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package opts
import (
"fmt"
"sort"
"github.com/docker/docker/api/types/container"
"github.com/docker/go-units"
)
// UlimitOpt defines a map of Ulimits
type UlimitOpt struct {
values *map[string]*container.Ulimit
}
// NewUlimitOpt creates a new UlimitOpt. Ulimits are not validated.
func NewUlimitOpt(ref *map[string]*container.Ulimit) *UlimitOpt {
// TODO(thaJeztah): why do we need a map with pointers here?
if ref == nil {
ref = &map[string]*container.Ulimit{}
}
return &UlimitOpt{ref}
}
// Set validates a Ulimit and sets its name as a key in UlimitOpt
func (o *UlimitOpt) Set(val string) error {
// FIXME(thaJeztah): these functions also need to be moved over from go-units.
l, err := units.ParseUlimit(val)
if err != nil {
return err
}
(*o.values)[l.Name] = l
return nil
}
// String returns Ulimit values as a string. Values are sorted by name.
func (o *UlimitOpt) String() string {
out := make([]string, 0, len(*o.values))
for _, v := range *o.values {
out = append(out, v.String())
}
sort.Strings(out)
return fmt.Sprintf("%v", out)
}
// GetList returns a slice of pointers to Ulimits. Values are sorted by name.
func (o *UlimitOpt) GetList() []*container.Ulimit {
ulimits := make([]*container.Ulimit, 0, len(*o.values))
for _, v := range *o.values {
ulimits = append(ulimits, v)
}
sort.SliceStable(ulimits, func(i, j int) bool {
return ulimits[i].Name < ulimits[j].Name
})
return ulimits
}
// Type returns the option type
func (o *UlimitOpt) Type() string {
return "ulimit"
}
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