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Fix fatal error on missing config file by handling viper.ConfigFileNotFoundError

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Correctly identify Viper's ConfigFileNotFoundError in LoadConfig to log a warning and use defaults, unifying behavior with empty config files. Fixes fatal error when no config file is present for CLI commands relying on environment variables.
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Juanjo Presa 2025-08-14 13:24:36 +02:00 committed by GitHub
parent 30cec3aa2b
commit a9933f7266
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GPG Key ID: B5690EEEBB952194
1 changed files with 5 additions and 5 deletions
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10
hscontrol/types/config.go
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@ -336,11 +336,11 @@ func LoadConfig(path string, isFile bool) error {
viper.SetDefault("prefixes.allocation", string(IPAllocationStrategySequential))
if err := viper.ReadInConfig(); err != nil {
if errors.Is(err, fs.ErrNotExist) {
log.Warn().Msg("No config file found, using defaults")
return nil
}
if _, ok := err.(viper.ConfigFileNotFoundError); ok {
log.Warn().Msg("No config file found, using defaults")
return nil
}
return fmt.Errorf("fatal error reading config file: %w", err)
}