mirror of
https://github.com/qdm12/gluetun.git
synced 2026-05-07 04:20:12 +02:00
Quentin McGaw
2438fc2c3a
- firewall log level is still fully controlled by `LOG_LEVEL` - iptables log level defaults to `info` even if global log level is `debug` to minimize the amount of debug logs - iptables log level is only set to debug if retro-compatible `FIREWALL_DEBUG=on` or if `FIREWALL_IPTABLES_LOG_LEVEL=debug`
68 lines
1.6 KiB
Go
68 lines
1.6 KiB
Go
package settings
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import (
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"fmt"
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"github.com/qdm12/gosettings"
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"github.com/qdm12/gosettings/reader"
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"github.com/qdm12/gotree"
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"github.com/qdm12/log"
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)
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// Iptables contains settings to customize iptables.
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type Iptables struct {
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LogLevel string
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}
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func (i Iptables) validate() (err error) {
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_, err = log.ParseLevel(i.LogLevel)
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if err != nil {
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return fmt.Errorf("log level: %w", err)
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}
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return nil
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}
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func (i *Iptables) copy() (copied Iptables) {
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return Iptables{
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LogLevel: i.LogLevel,
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}
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}
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func (i *Iptables) overrideWith(other Iptables) {
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i.LogLevel = gosettings.OverrideWithComparable(i.LogLevel, other.LogLevel)
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}
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func (i *Iptables) setDefaults(globalLogLevel string) {
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defaultLevel := globalLogLevel
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if defaultLevel == log.LevelDebug.String() {
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// Given iptables debug logger is quite verbose, we only turn it to debug level
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// if it is explicitly asked to be at debug level; even if the global logger is
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// at the debug level, we keep iptables at info level by default.
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defaultLevel = log.LevelInfo.String()
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}
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i.LogLevel = gosettings.DefaultComparable(i.LogLevel, defaultLevel)
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}
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func (i Iptables) String() string {
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return i.toLinesNode().String()
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}
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func (i Iptables) toLinesNode() (node *gotree.Node) {
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node = gotree.New("Iptables settings:")
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node.Appendf("Log level: %s", i.LogLevel)
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return node
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}
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func (i *Iptables) read(r *reader.Reader) (err error) {
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debugMode, err := r.BoolPtr("FIREWALL_DEBUG", reader.IsRetro("FIREWALL_IPTABLES_LOG_LEVEL"))
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if err != nil {
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return err
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}
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if debugMode != nil && *debugMode {
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i.LogLevel = log.LevelDebug.String()
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}
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i.LogLevel = r.String("FIREWALL_IPTABLES_LOG_LEVEL")
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return nil
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}
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