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ffmpeger/config/exported.go

67 lines
1.4 KiB
Go

package config
import (
// stdlib
"flag"
"io/ioutil"
"log"
"os/user"
"path/filepath"
"strings"
// other
"gopkg.in/yaml.v2"
)
var (
configPathRaw string
Cfg *Config
)
// Initialize initializes package.
func Initialize() {
log.Println("Initializing configuration...")
flag.StringVar(&configPathRaw, "conf", "", "Path to configuration file, should be absolute.")
}
// Load loads configuration into memory and parses it into Config struct.
func Load() {
if configPathRaw == "" {
log.Fatalln("No configuration file path defined! See '-h'!")
}
log.Println("Loading configuration from file:", configPathRaw)
// Replace home directory if "~" was specified.
if strings.Contains(configPathRaw, "~") {
u, err := user.Current()
if err != nil {
log.Fatalln("Failed to get current user's data:", err.Error())
}
configPathRaw = strings.Replace(configPathRaw, "~", u.HomeDir, 1)
}
// Get absolute path to configuration file.
configPath, err := filepath.Abs(configPathRaw)
if err != nil {
log.Fatalln("Failed to get real configuration file path:", err.Error())
}
// Read it.
configFileData, err := ioutil.ReadFile(configPath)
if err != nil {
log.Fatalln("Failed to load configuration file data:", err.Error())
}
// Parse it.
Cfg = &Config{}
err1 := yaml.Unmarshal(configFileData, Cfg)
if err1 != nil {
log.Fatalln("Failed to parse configuration file:", err1.Error())
}
log.Printf("Configuration file parsed: %+v\n", Cfg)
}