config.go

package main

import (
	envstruct "code.cloudfoundry.org/go-envstruct"
	"code.cloudfoundry.org/log-cache/internal/tls"
)

var buildVersion string

// Config is the configuration for a LogCache Gateway.
type Config struct {
	Addr          string `env:"ADDR, required, report"`
	LogCacheAddr  string `env:"LOG_CACHE_ADDR, required, report"`
	HealthPort    int    `env:"HEALTH_PORT, report"`
	ProxyCertPath string `env:"PROXY_CERT_PATH, required, report"`
	ProxyKeyPath  string `env:"PROXY_KEY_PATH, required, report"`
	Version       string `env:"-, report"`

	TLS tls.TLS
}

// LoadConfig creates Config object from environment variables
func LoadConfig() (*Config, error) {
	c := Config{
		Addr:         ":8081",
		HealthPort:   6063,
		LogCacheAddr: "localhost:8080",
	}

	if err := envstruct.Load(&c); err != nil {
		return nil, err
	}

	c.Version = buildVersion

	envstruct.WriteReport(&c)

	return &c, nil
}