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net.go
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net.go
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package flagtypes
import (
"fmt"
"net"
"strings"
)
// lifted from kubernetes/pkg/util/net.go. same flags vs pflags problem as we had with StringList
// IP adapts net.IP for use as a flag.
type IP net.IP
func (ip IP) String() string {
return net.IP(ip).String()
}
func (ip *IP) Set(value string) error {
*ip = IP(net.ParseIP(strings.TrimSpace(value)))
if *ip == nil {
return fmt.Errorf("invalid IP address: '%s'", value)
}
return nil
}
// Type returns a string representation of what kind of argument this is
func (ip *IP) Type() string {
return "cmd.flagtypes.IP"
}
// IPNet adapts net.IPNet for use as a flag.
type IPNet net.IPNet
func DefaultIPNet(value string) IPNet {
ret := IPNet{}
if err := ret.Set(value); err != nil {
panic(err)
}
return ret
}
func (ipnet IPNet) String() string {
n := net.IPNet(ipnet)
return n.String()
}
func (ipnet *IPNet) Set(value string) error {
_, n, err := net.ParseCIDR(strings.TrimSpace(value))
if err != nil {
return err
}
*ipnet = IPNet(*n)
return nil
}
// Type returns a string representation of what kind of argument this is
func (ipnet *IPNet) Type() string {
return "cmd.flagtypes.IPNet"
}