albatros/pkg/config.go

package pkg

import (
	"fmt"
	"github.com/caarlos0/env/v7"
	"log"
)

type Config struct {
	AlbatrosURL      string `env:"ALBATROS_URL,required"`
	NomadAddr        string `env:"NOMAD_ADDR"`
	NomadClientCert  string `env:"NOMAD_CLIENT_CERT"`
	NomadClientKey   string `env:"NOMAD_CLIENT_KEY"`
	NomadCACert      string `env:"NOMAD_CACERT"`
	ConsulAddr       string `env:"CONSUL_HTTP_ADDR"`
	ConsulClientCert string `env:"CONSUL_CLIENT_CERT"`
	ConsulClientKey  string `env:"CONSUL_CLIENT_KEY"`
	ConsulCACert     string `env:"CONSUL_CACERT"`
}

func BuildConfig() Config {
	GlobalConfig := Config{}
	if err := env.Parse(&GlobalConfig); err != nil {
		log.Fatal(fmt.Sprintf("unable to parse config, error: %+v\n", err))
	}
	log.Printf("Albatros public URL: %s\n", GlobalConfig.AlbatrosURL)
	if GlobalConfig.NomadAddr != "" {
		isTLS := GlobalConfig.NomadClientCert != "" && GlobalConfig.NomadClientKey != "" && GlobalConfig.NomadCACert != ""
		log.Printf("Nomad URL: %s, TLS: %t\n", GlobalConfig.NomadAddr, isTLS)
	} else {
		log.Println("Use Nomad default configuration")
	}
	if GlobalConfig.ConsulAddr != "" {
		isTLS := GlobalConfig.ConsulClientCert != "" && GlobalConfig.ConsulClientKey != "" && GlobalConfig.ConsulCACert != ""
		log.Printf("Consul URL: %s, TLS: %t\n", GlobalConfig.ConsulAddr, isTLS)
	} else {
		log.Println("Use Consul default configuration")
	}
	return GlobalConfig
}