// Setup sets up defaults for viper configuration options and
// overrides these values with the values from the given configuration file
// if it is not empty. Those values again are overwritten by environment
// variables.
func Setup(configFilePath string) error {
viper.Reset()
// Expect environment variables to be prefix with "ALMIGHTY_".
viper.SetEnvPrefix("ALMIGHTY")
// Automatically map environment variables to viper values
viper.AutomaticEnv()
// To override nested variables through environment variables, we
// need to make sure that we don't have to use dots (".") inside the
// environment variable names.
// To override foo.bar you need to set ALM_FOO_BAR
viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
viper.SetTypeByDefaultValue(true)
setConfigDefaults()
// Read the config
// Explicitly specify which file to load config from
if configFilePath != "" {
viper.SetConfigFile(configFilePath)
viper.SetConfigType("yaml")
err := viper.ReadInConfig() // Find and read the config file
if err != nil { // Handle errors reading the config file
return fmt.Errorf("Fatal error config file: %s \n", err)
}
}
return nil
}
func setConfigDefaults() {
//---------
// Postgres
//---------
viper.SetTypeByDefaultValue(true)
viper.SetDefault(varPostgresHost, "localhost")
viper.SetDefault(varPostgresPort, 5432)
viper.SetDefault(varPostgresUser, "postgres")
viper.SetDefault(varPostgresDatabase, "postgres")
viper.SetDefault(varPostgresPassword, "mysecretpassword")
viper.SetDefault(varPostgresSSLMode, "disable")
viper.SetDefault(varPostgresConnectionTimeout, 5)
// Number of seconds to wait before trying to connect again
viper.SetDefault(varPostgresConnectionRetrySleep, time.Duration(time.Second))
//-----
// HTTP
//-----
viper.SetDefault(varHTTPAddress, "0.0.0.0:8080")
//-----
// Misc
//-----
// Enable development related features, e.g. token generation endpoint
viper.SetDefault(varDeveloperModeEnabled, false)
viper.SetDefault(varPopulateCommonTypes, true)
// Auth-related defaults
viper.SetDefault(varTokenPublicKey, defaultTokenPublicKey)
viper.SetDefault(varTokenPrivateKey, defaultTokenPrivateKey)
viper.SetDefault(varKeycloakClientID, defaultKeycloakClientID)
viper.SetDefault(varKeycloakSecret, defaultKeycloakSecret)
viper.SetDefault(varGithubAuthToken, defaultActualToken)
viper.SetDefault(varKeycloakEndpointAuth, defaultKeycloakEndpointAuth)
viper.SetDefault(varKeycloakEndpointToken, defaultKeycloakEndpointToken)
viper.SetDefault(varKeycloakEndpointUserinfo, defaultKeycloakEndpointUserinfo)
viper.SetDefault(varKeycloakTesUserName, defaultKeycloakTesUserName)
viper.SetDefault(varKeycloakTesUserSecret, defaultKeycloakTesUserSecret)
}