GoDoxy/internal/common/env.go

96 lines
2.7 KiB
Go

package common
import (
"fmt"
"net"
"os"
"strconv"
"strings"
"time"
"github.com/rs/zerolog/log"
"github.com/yusing/go-proxy/internal/utils/strutils"
)
var (
prefixes = []string{"GODOXY_", "GOPROXY_", ""}
IsTest = GetEnvBool("TEST", false) || strings.HasSuffix(os.Args[0], ".test")
IsDebug = GetEnvBool("DEBUG", IsTest)
IsTrace = GetEnvBool("TRACE", false) && IsDebug
IsProduction = !IsTest && !IsDebug
EnableLogStreaming = GetEnvBool("LOG_STREAMING", true)
DebugMemLogger = GetEnvBool("DEBUG_MEM_LOGGER", false) && EnableLogStreaming
PrometheusEnabled = GetEnvBool("PROMETHEUS_ENABLED", true)
APIJWTSecret = decodeJWTKey(GetEnvString("API_JWT_SECRET", ""))
APIJWTTokenTTL = GetDurationEnv("API_JWT_TOKEN_TTL", time.Hour)
APIUser = GetEnvString("API_USER", "admin")
APIPassword = GetEnvString("API_PASSWORD", "password")
// OIDC Configuration.
OIDCIssuerURL = GetEnvString("OIDC_ISSUER_URL", "")
OIDCLogoutURL = GetEnvString("OIDC_LOGOUT_URL", "")
OIDCClientID = GetEnvString("OIDC_CLIENT_ID", "")
OIDCClientSecret = GetEnvString("OIDC_CLIENT_SECRET", "")
OIDCRedirectURL = GetEnvString("OIDC_REDIRECT_URL", "")
OIDCScopes = GetEnvString("OIDC_SCOPES", "openid, profile, email")
OIDCAllowedUsers = GetCommaSepEnv("OIDC_ALLOWED_USERS", "")
OIDCAllowedGroups = GetCommaSepEnv("OIDC_ALLOWED_GROUPS", "")
)
func GetEnv[T any](key string, defaultValue T, parser func(string) (T, error)) T {
var value string
var ok bool
for _, prefix := range prefixes {
value, ok = os.LookupEnv(prefix + key)
if ok && value != "" {
break
}
}
if !ok || value == "" {
return defaultValue
}
parsed, err := parser(value)
if err == nil {
return parsed
}
log.Fatal().Err(err).Msgf("env %s: invalid %T value: %s", key, parsed, value)
return defaultValue
}
func GetEnvString(key string, defaultValue string) string {
return GetEnv(key, defaultValue, func(s string) (string, error) {
return s, nil
})
}
func GetEnvBool(key string, defaultValue bool) bool {
return GetEnv(key, defaultValue, strconv.ParseBool)
}
func GetAddrEnv(key, defaultValue, scheme string) (addr, host, port, fullURL string) {
addr = GetEnvString(key, defaultValue)
if addr == "" {
return
}
host, port, err := net.SplitHostPort(addr)
if err != nil {
log.Fatal().Msgf("env %s: invalid address: %s", key, addr)
}
if host == "" {
host = "localhost"
}
fullURL = fmt.Sprintf("%s://%s:%s", scheme, host, port)
return
}
func GetDurationEnv(key string, defaultValue time.Duration) time.Duration {
return GetEnv(key, defaultValue, time.ParseDuration)
}
func GetCommaSepEnv(key string, defaultValue string) []string {
return strutils.CommaSeperatedList(GetEnvString(key, defaultValue))
}