config

Documentation

Overview

Package config provides a simple logic that will read configuration from configmaps, io.Reader or envvar.

Index

• func From(in io.Reader, i interface{}) error
• func FromConfigMap(i interface{}) error
• func LookupEnv(key, defaultValue string) string

Functions

func From

func From(in io.Reader, i interface{}) error

From read from an io (file, byte buffer) and populates the specified struct based on the input and environment variables.

c := struct {
	Name string
	St   struct {
		Name string
		Port int
		List []string
	} `yaml:"astruct"`
}{}

func FromConfigMap

func FromConfigMap(i interface{}) error

FromConfigMap read a config from the path `./config.yaml`.

func LookupEnv

func LookupEnv(key, defaultValue string) string

LookupEnv retrieves the value of the environment variable named by the key. If the variable is present in the environment the value is returned. Otherwise, the returned value will the defaultValue.