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39 lines
991 B
Go
39 lines
991 B
Go
package syssetup
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import (
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"io/ioutil"
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"os/exec"
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"github.com/sirupsen/logrus"
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)
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var (
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callIPTablesFile = "/proc/sys/net/bridge/bridge-nf-call-iptables"
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forward = "/proc/sys/net/ipv4/ip_forward"
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)
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func Configure() error {
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if err := exec.Command("modprobe", "br_netfilter").Run(); err != nil {
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logrus.Warnf("failed to start br_netfilter module")
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return nil
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}
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if err := ioutil.WriteFile(callIPTablesFile, []byte("1"), 0640); err != nil {
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logrus.Warnf("failed to write value 1 at %s: %v", callIPTablesFile, err)
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return nil
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}
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if err := ioutil.WriteFile(forward, []byte("1"), 0640); err != nil {
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logrus.Warnf("failed to write value 1 at %s: %v", forward, err)
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return nil
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}
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if err := exec.Command("modprobe", "overlay").Run(); err != nil {
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logrus.Warnf("failed to start overlay module")
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return nil
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}
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if err := exec.Command("modprobe", "nf_conntrack").Run(); err != nil {
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logrus.Warnf("failed to start nf_conntrack module")
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return nil
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}
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return nil
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}
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