Initial release

src/config.go

@@ -0,0 +1,64 @@
+package main
+
+import (
+	"io/ioutil"
+	"path/filepath"
+
+	"gopkg.in/yaml.v2"
+)
+
+// Config stores configuration
+type Config struct {
+	File     string
+	Frontend FrontendConfig `yaml:"frontend"`
+	Backend  BackendConfig  `yaml:"backend"`
+	Cache    CacheConfig    `yaml:"cache"`
+}
+
+// FrontendConfig for storing Frontend settings
+type FrontendConfig struct {
+	Host      string `yaml:"host"`
+	Port      int    `yaml:"port"`
+	Certfile  string `yaml:"certfile"`
+	Keyfile   string `yaml:"keyfile"`
+	LogFormat string `yaml:"logformat"`
+}
+
+// BackendConfig for storing Backend settings
+type BackendConfig struct {
+	Host     string `yaml:"host"`
+	Port     int    `yaml:"port"`
+	Scheme   string `yaml:"scheme"`
+	Insecure bool   `yaml:"insecure"`
+}
+
+// CacheConfig for storing Cache settings
+type CacheConfig struct {
+	TTL      float64 `yaml:"ttl"`
+	Interval float64 `yaml:"interval"`
+}
+
+// NewConfig creates a Config
+func NewConfig() *Config {
+	return &Config{}
+}
+
+// ReadFile reads a configuration file and load settings to memory
+func (c *Config) ReadFile(file string) error {
+	file, err := filepath.Abs(file)
+	if err != nil {
+		return err
+	}
+
+	yamlFile, err := ioutil.ReadFile(file)
+	if err != nil {
+		return err
+	}
+
+	err = yaml.Unmarshal(yamlFile, &c)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}