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12c62b92ff
To prevent code duplication when creating new network backends move reusable code into a separate internal package. This allows all network backends to use the same code as long as they implement the new NetUtil interface. Signed-off-by: Paul Holzinger <pholzing@redhat.com>
35 lines
868 B
Go
35 lines
868 B
Go
package util
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import "net"
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// getLiveNetworkSubnets returns a slice of subnets representing what the system
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// has defined as network interfaces
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func getLiveNetworkSubnets() ([]*net.IPNet, error) {
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addrs, err := net.InterfaceAddrs()
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if err != nil {
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return nil, err
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}
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nets := make([]*net.IPNet, 0, len(addrs))
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for _, address := range addrs {
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_, n, err := net.ParseCIDR(address.String())
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if err != nil {
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return nil, err
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}
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nets = append(nets, n)
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}
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return nets, nil
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}
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// GetLiveNetworkNames returns a list of network interface names on the system
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func GetLiveNetworkNames() ([]string, error) {
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liveInterfaces, err := net.Interfaces()
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if err != nil {
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return nil, err
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}
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interfaceNames := make([]string, 0, len(liveInterfaces))
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for _, i := range liveInterfaces {
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interfaceNames = append(interfaceNames, i.Name)
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}
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return interfaceNames, nil
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}
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