Bryan Boreham
85023e0a76
Also move netlink and netns code from common to net Creates interface if not already there Adds addresses Move the set link 'up' to after addresses are added
38 lines
632 B
Go
38 lines
632 B
Go
package net
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import (
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"runtime"
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"github.com/vishvananda/netlink"
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"github.com/vishvananda/netns"
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)
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func WithNetNS(ns netns.NsHandle, work func() error) error {
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runtime.LockOSThread()
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defer runtime.UnlockOSThread()
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oldNs, err := netns.Get()
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if err == nil {
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defer oldNs.Close()
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err = netns.Set(ns)
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if err == nil {
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defer netns.Set(oldNs)
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err = work()
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}
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}
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return err
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}
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func WithNetNSLink(ns netns.NsHandle, ifName string, work func(link netlink.Link) error) error {
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return WithNetNS(ns, func() error {
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link, err := netlink.LinkByName(ifName)
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if err != nil {
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return err
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}
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return work(link)
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})
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}
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