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Return error when iptables is not found

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This commit is contained in:
Shawn Siefkas 2013-03-28 14:30:56 -05:00
parent dfc3904f77
commit c66d2b6a53
1 changed files with 1 additions and 1 deletions
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2
network.go
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@ -70,7 +70,7 @@ func networkSize(mask net.IPMask) (int32, error) {
func iptables(args ...string) error { func iptables(args ...string) error {
path, err := exec.LookPath("iptables") path, err := exec.LookPath("iptables")
if err != nil { if err != nil {
log.Fatal("command not found: iptables") return fmt.Errorf("command not found: iptables")
} }
if err := exec.Command(path, args...).Run(); err != nil { if err := exec.Command(path, args...).Run(); err != nil {
return fmt.Errorf("iptables failed: iptables %v", strings.Join(args, " ")) return fmt.Errorf("iptables failed: iptables %v", strings.Join(args, " "))