Martynas Pumputis
4a49ff3083
Unsafe version was in ConfigureARPforVeths; replacement is via `weaveutil configure-arp`
36 lines
693 B
Go
36 lines
693 B
Go
package main
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import (
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"strings"
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"github.com/j-keck/arping"
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"github.com/vishvananda/netlink"
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weavenet "github.com/weaveworks/weave/net"
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)
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func configureARP(args []string) error {
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if len(args) != 1 {
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cmdUsage("configure-arp", "<iface-name-prefix>")
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}
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prefix := args[0]
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links, err := netlink.LinkList()
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if err != nil {
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return err
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}
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for _, link := range links {
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ifName := link.Attrs().Name
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if strings.HasPrefix(ifName, prefix) {
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weavenet.ConfigureARPCache(ifName)
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if addrs, err := netlink.AddrList(link, netlink.FAMILY_V4); err == nil {
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for _, addr := range addrs {
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arping.GratuitousArpOverIfaceByName(addr.IPNet.IP, ifName)
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}
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}
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}
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}
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return nil
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}
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