headscale/cmd/headscale/headscale.go

81 lines
1.9 KiB
Go

package main
import (
"fmt"
"os"
"runtime"
"time"
"github.com/efekarakus/termcolor"
"github.com/juanfont/headscale/cmd/headscale/cli"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"github.com/spf13/viper"
"github.com/tcnksm/go-latest"
)
func main() {
var colors bool
switch l := termcolor.SupportLevel(os.Stderr); l {
case termcolor.Level16M:
colors = true
case termcolor.Level256:
colors = true
case termcolor.LevelBasic:
colors = true
default:
// no color, return text as is.
colors = false
}
// Adhere to no-color.org manifesto of allowing users to
// turn off color in cli/services
if _, noColorIsSet := os.LookupEnv("NO_COLOR"); noColorIsSet {
colors = false
}
zerolog.TimeFieldFormat = zerolog.TimeFormatUnix
log.Logger = log.Output(zerolog.ConsoleWriter{
Out: os.Stdout,
TimeFormat: time.RFC3339,
NoColor: !colors,
})
err := cli.LoadConfig("")
if err != nil {
log.Fatal().Err(err)
}
logLevel := viper.GetString("log_level")
switch logLevel {
case "trace":
zerolog.SetGlobalLevel(zerolog.TraceLevel)
case "debug":
zerolog.SetGlobalLevel(zerolog.DebugLevel)
case "info":
zerolog.SetGlobalLevel(zerolog.InfoLevel)
case "warn":
zerolog.SetGlobalLevel(zerolog.WarnLevel)
case "error":
zerolog.SetGlobalLevel(zerolog.ErrorLevel)
default:
zerolog.SetGlobalLevel(zerolog.DebugLevel)
}
jsonOutput := cli.HasJsonOutputFlag()
if !viper.GetBool("disable_check_updates") && !jsonOutput {
if (runtime.GOOS == "linux" || runtime.GOOS == "darwin") && cli.Version != "dev" {
githubTag := &latest.GithubTag{
Owner: "juanfont",
Repository: "headscale",
}
res, err := latest.Check(githubTag, cli.Version)
if err == nil && res.Outdated {
fmt.Printf("An updated version of Headscale has been found (%s vs. your current %s). Check it out https://github.com/juanfont/headscale/releases\n",
res.Current, cli.Version)
}
}
}
cli.Execute()
}