// EnvironmentSpecificConfig sets the configuration to match the given env.
func EnvironmentSpecificConfig(v *viper.Viper, env string) *viper.Viper {
if v == nil {
v = viper.New()
v.SetDefault("env", env)
}
// Read common config
v.AddConfigPath(".")
v.AddConfigPath("../")
v.AddConfigPath("config/")
v.AddConfigPath("../config/")
v.SetConfigName("config-common")
v.SetConfigType("yml")
if err := v.ReadInConfig(); err != nil {
panic(fmt.Errorf("Fatal error reading common config file: %s \n", err))
}
// Merge in environment specific config
mergeInConfig(v, "config-"+env+".yml", "yml")
// Merge in version config
mergeInConfig(v, "version.properties", "properties")
// Read config from consul
// v.AddRemoteProvider("consul", "http://someconsul/endpoint", "some/path/to/config.json")
// v.SetConfigType("yaml")
// err = v.ReadRemoteConfig() // Find and read the config file
// if err != nil { // Handle errors reading the config file
// panic(fmt.Errorf("Fatal error reading remote config file: %s \n", err))
// }
return v
}
// ParseViper tries to parse out a Viper from a configuration file.
func ParseViper(v *viper.Viper, configFile string) error {
filename := filepath.Base(configFile)
ext := filepath.Ext(configFile)
configPath := filepath.Dir(configFile)
v.SetConfigType(strings.TrimPrefix(ext, "."))
v.SetConfigName(strings.TrimSuffix(filename, ext))
v.AddConfigPath(configPath)
if err := v.ReadInConfig(); err != nil {
return fmt.Errorf("Could not read config at :%s, viper error: %v", configFile, err)
}
return nil
}
// SetEnvironmentSpecificConfig sets the configuration to match the given env.
func SetEnvironmentSpecificConfig(v *viper.Viper, env string) {
if v == nil {
v = viper.New()
v.SetDefault("env", env)
}
// Read common config
v.AddConfigPath(".")
v.AddConfigPath("../")
v.SetConfigName("config-common")
if err := v.ReadInConfig(); err != nil {
panic(fmt.Errorf("Fatal error reading common config file: %s \n", err))
}
// Merge in environment specific config
configName := "config-" + env + ".yml"
configPaths := []string{configName, "../" + configName}
configFilePath := ""
for _, path := range configPaths {
if b, _ := exists(path); b {
configFilePath = path
continue
}
}
if configFilePath == "" {
panic(fmt.Errorf("Could not find config file: %s \n", configName))
}
configBytes, err := ioutil.ReadFile(configFilePath)
if err != nil {
panic(fmt.Errorf("Could not read config file: %s \n", err))
}
err = v.MergeConfig(bytes.NewBuffer(configBytes)) // Find and read the config file
if err != nil { // Handle errors reading the config file
panic(fmt.Errorf("Fatal error config file: %s \n", err))
}
// Read config from consul
v.AddRemoteProvider("consul", v.GetString("ConsulEndpoint"), v.GetString("ConsulSupportOptimizationWorkflowConfig"))
v.SetConfigType("yaml")
// err = v.ReadRemoteConfig() // Find and read the config file
// if err != nil { // Handle errors reading the config file
// panic(fmt.Errorf("Fatal error reading remote config file: %s \n", err))
// }
Viper = &config{v}
}
func mergeInConfig(v *viper.Viper, configName, configType string) {
v.SetConfigType(configType)
configPaths := []string{configName, "../" + configName, "config/" + configName, "../config/" + configName}
configFilePath := ""
for _, path := range configPaths {
if b, _ := exists(path); b {
configFilePath = path
continue
}
}
if configFilePath == "" {
panic(fmt.Errorf("Could not find config file: %s \n", configName))
}
configBytes, err := ioutil.ReadFile(configFilePath)
if err != nil {
panic(fmt.Errorf("Could not read config file: %s \n", err))
}
err = v.MergeConfig(bytes.NewBuffer(configBytes)) // Find and read the config file
if err != nil { // Handle errors reading the config file
panic(fmt.Errorf("Fatal error config file: %s \n", err))
}
}
func getSetup(fileName string, cfg *viper.Viper) error {
// setup file
abs, err := filepath.Abs(fileName)
if err != nil {
return fmt.Errorf("\nSorry, the marmots were unable to find the absolute path to the account types file.")
}
path := filepath.Dir(abs)
file := filepath.Base(abs)
extName := filepath.Ext(file)
bName := file[:len(file)-len(extName)]
cfg.AddConfigPath(path)
cfg.SetConfigName(bName)
cfg.SetConfigType(strings.Replace(extName, ".", "", 1))
// load file
if err := cfg.ReadInConfig(); err != nil {
return fmt.Errorf("\nSorry, the marmots were unable to load the file: (%s). Please check your path.\nERROR =>\t\t\t%v", fileName, err)
}
return nil
}
// setConfigPath set the primary source of configuration for the service.
func setConfigPath(v *viper.Viper, uri string) error {
p, err := url.Parse(uri)
if err != nil {
return err
}
// Local path.
if p.Scheme == "" {
v.SetConfigFile(uri)
return nil
}
// Consul.
if p.Scheme == "consul" {
ep := fmt.Sprintf("http://%s", p.Host)
v.AddRemoteProvider("consul", ep, trimExt(p.Path))
v.SetConfigType(filepath.Ext(p.Path)[1:])
return nil
}
return nil
}