66 lines
1.6 KiB
Go
66 lines
1.6 KiB
Go
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/*
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Copyright (C) JSC iCore - All Rights Reserved
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Unauthorized copying of this file, via any medium is strictly prohibited
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Proprietary and confidential
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Written by Konstantin Lepa <klepa@i-core.ru>, July 2018
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*/
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package main // import "gopkg.i-core.ru/werther/cmd/werther"
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import (
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"flag"
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"fmt"
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"net/http"
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"os"
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"github.com/kelseyhightower/envconfig"
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"go.uber.org/zap"
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"gopkg.i-core.ru/werther/internal/server"
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)
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func main() {
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flag.Usage = func() {
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fmt.Fprintf(flag.CommandLine.Output(), "Usage of %s:\n", os.Args[0])
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flag.PrintDefaults()
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fmt.Fprintf(flag.CommandLine.Output(), "\n")
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if err := envconfig.Usagef("werther", &server.Config{}, flag.CommandLine.Output(), envconfig.DefaultListFormat); err != nil {
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panic(err)
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}
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}
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verflag := flag.Bool("version", false, "print a version")
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flag.Parse()
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if *verflag {
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fmt.Println("werther", server.Version)
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os.Exit(0)
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}
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var cnf server.Config
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if err := envconfig.Process("werther", &cnf); err != nil {
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fmt.Fprintf(os.Stderr, "Invalid configuration: %s\n", err)
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os.Exit(1)
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}
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logFunc := zap.NewProduction
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if cnf.DevMode {
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logFunc = zap.NewDevelopment
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}
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log, err := logFunc()
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to create logger: %s\n", err)
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os.Exit(1)
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}
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srv, err := server.New(cnf, log)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to start the server: %s\n", err)
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os.Exit(1)
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}
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log = log.Named("main")
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log.Info("Werther started", zap.Any("config", cnf), zap.String("version", server.Version))
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log.Fatal("Werther finished", zap.Error(http.ListenAndServe(cnf.Listen, srv)))
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}
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