Add warning about missing IPv6 relay address in verbose mode

rtpt-erikgeiser · rtpt-erikgeiser · commit 66670e71a873 · 2025-10-20T08:55:30.000+02:00
diff --git a/cli.go b/cli.go
@@ -225,7 +225,7 @@ func (c *Config) setRedundantOptions() {
 	}
 }
 
-//nolint:forbidigo,maintidx,gocognit
+//nolint:forbidigo,maintidx,gocognit,gocyclo
 func configFromCLI() (config *Config, logger *Logger, err error) {
 	var (
 		interfaceName string
@@ -407,6 +407,8 @@ func configFromCLI() (config *Config, logger *Logger, err error) {
 
 	if config.RelayIPv6 == nil && config.RelayIPv4 == nil {
 		return config, logger, fmt.Errorf("no relay IP configured: %s and %s", errIPv4, errIPv6) //nolint:errorlint
+	} else if errIPv6 != nil && config.Verbose {
+		logger.Errorf("Warning: could not auto-detect relay IPv6 address: %v", err)
 	}
 
 	config.LocalIPv6, err = getLinkLocalIPv6Address(config.Interface)

Original file line number	Diff line number	Diff line change
`@@ -225,7 +225,7 @@ func (c *Config) setRedundantOptions() {`
`225`	`225`	`}`
`226`	`226`	`}`
`227`	`227`
`228`		`-//nolint:forbidigo,maintidx,gocognit`
	`228`	`+//nolint:forbidigo,maintidx,gocognit,gocyclo`
`229`	`229`	`func configFromCLI() (config Config, logger Logger, err error) {`
`230`	`230`	`var (`
`231`	`231`	`interfaceName string`
`@@ -407,6 +407,8 @@ func configFromCLI() (config Config, logger Logger, err error) {`
`407`	`407`
`408`	`408`	`if config.RelayIPv6 == nil && config.RelayIPv4 == nil {`
`409`	`409`	`return config, logger, fmt.Errorf("no relay IP configured: %s and %s", errIPv4, errIPv6) //nolint:errorlint`
	`410`	`+ } else if errIPv6 != nil && config.Verbose {`
	`411`	`+ logger.Errorf("Warning: could not auto-detect relay IPv6 address: %v", err)`
`410`	`412`	`}`
`411`	`413`
`412`	`414`	`config.LocalIPv6, err = getLinkLocalIPv6Address(config.Interface)`