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Allow setting sysctls on a particular interface

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Signed-off-by: Piotr Skamruk <piotr.skamruk@gmail.com>
This commit is contained in:
Piotr Skamruk 2021-10-01 18:07:50 +02:00
parent 2a9114d1af
commit c16cff9805
1 changed files with 5 additions and 0 deletions
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5
plugins/meta/tuning/tuning.go
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@ -325,6 +325,11 @@ func cmdAdd(args *skel.CmdArgs) error {
err = ns.WithNetNSPath(args.Netns, func(_ ns.NetNS) error { err = ns.WithNetNSPath(args.Netns, func(_ ns.NetNS) error {
for key, value := range tuningConf.SysCtl { for key, value := range tuningConf.SysCtl {
// If the key contains `IFNAME` - substitute it with args.IfName
// to allow setting sysctls on a particular interface, on which
// other operations (like mac/mtu setting) are performed
key = strings.Replace(key, "IFNAME", args.IfName, 1)
fileName := filepath.Join("/proc/sys", strings.Replace(key, ".", "/", -1)) fileName := filepath.Join("/proc/sys", strings.Replace(key, ".", "/", -1))
// Refuse to modify sysctl parameters that don't belong // Refuse to modify sysctl parameters that don't belong