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internal/router: use max-cache-ttl=0 on some routers

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On some routers, dnsmasq config may change cache-size dynamically after
ctrld starts, causing dnsmasq crashes.

Fixing this by using max-cache-ttl, which have the same effect with
setting cache-size=0 but won't conflict with existing routers config.
This commit is contained in:
Cuong Manh Le authored and Cuong Manh Le committed 2024-01-22 23:05:56 +07:00
1 parent cb445825f4
commit dc700bbd52
4 files changed
+19 -71
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internal/router/ubios/ubios.go
+1 -9
View File
@@ -51,17 +51,13 @@ func (u *Ubios) Setup() error {
if u.cfg.FirstListener().IsDirectDnsListener() {
return nil
}
data, err := dnsmasq.ConfTmpl(dnsmasq.ConfigContentTmpl, u.cfg)
data, err := dnsmasq.ConfTmplWithCacheDisabled(dnsmasq.ConfigContentTmpl, u.cfg, false)
if err != nil {
return err
}
if err := os.WriteFile(ubiosDNSMasqConfigPath, []byte(data), 0600); err != nil {
return err
}
// Disable dnsmasq cache.
if err := dnsmasq.DisableCache(ubiosDNSMasqDnsConfigPath); err != nil {
return err
}
// Restart dnsmasq service.
if err := restartDNSMasq(); err != nil {
return err
@@ -77,10 +73,6 @@ func (u *Ubios) Cleanup() error {
if err := os.Remove(ubiosDNSMasqConfigPath); err != nil {
return err
}
// Enable dnsmasq cache.
if err := dnsmasq.EnableCache(ubiosDNSMasqDnsConfigPath); err != nil {
return err
}
// Restart dnsmasq service.
if err := restartDNSMasq(); err != nil {
return err