/
config.go
49 lines (40 loc) · 1.23 KB
/
config.go
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package config
import (
"bytes"
"os/exec"
"github.com/caarlos0/env"
)
var Cfg *Config
// Config holds all configuration for our program
type Config struct {
Version string `env:"APP_VERSION"`
DatabasePool int `env:"BREIZHTRIP_DATABASE_POOL" envDefault:"20"`
DatabaseHost string `env:"BREIZHTRIP_DATABASE_HOST" envDefault:"localhost"`
DatabasePort string `env:"BREIZHTRIP_DATABASE_PORT" envDefault:"5432"`
DatabaseUsername string `env:"BREIZHTRIP_DATABASE_USERNAME" envDefault:"postgres"`
DatabasePassword string `env:"BREIZHTRIP_DATABASE_PASSWORD" envDefault:"postgres"`
}
func init() {
Cfg = &Config{}
env.Parse(Cfg)
if Cfg.Version == "" {
Cfg.Version = version()
}
}
func version() string {
var version bytes.Buffer
tag, _ := exec.Command("sh", "-c", "git describe --abbrev=0 --tags 2> /dev/null").Output()
branch, _ := exec.Command("git", "symbolic-ref", "-q", "--short", "HEAD").Output()
commit, _ := exec.Command("git", "rev-parse", "--short", "HEAD").Output()
version.Write(tag)
version.WriteString("-")
version.Write(branch)
version.WriteString("-")
version.Write(commit)
return string(bytes.Replace(version.Bytes(), []byte("\n"), []byte{}, -1))
}
func check(err error) {
if err != nil {
panic(err)
}
}