tele-recv/cmd/root.go

/*
Copyright © 2020 zhiqiang feng fengzhq@it2000.com.cn

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cmd

import (
	"fmt"
	"os"
	"time"

	rotatelogs "github.com/lestrrat-go/file-rotatelogs"
	"github.com/spf13/cobra"
	"go.uber.org/zap"
	"go.uber.org/zap/zapcore"

	"github.com/spf13/viper"
	"it2000.com.cn/tele-recv/utils"
)

const ModeName = "TELEGRAM_MODE"

var (
	cfgFile  string
	device   string
	baudrate int
	lograw   bool

	dbFile string
	dbInit bool

	socketAddress string

	// rootCmd represents the base command when called without any subcommands
	rootCmd = &cobra.Command{
		Use:   "tele-recv",
		Short: "telegram receiver",
		Long: `A serial port telegram receiver.
Read the telegram from `,
		// Uncomment the following line if your bare application
		// has an action associated with it:
		//	Run: func(cmd *cobra.Command, args []string) { },
	}

	Mode = os.Getenv(ModeName)

	logger *zap.Logger
)

// Execute adds all child commands to the root command and sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute() {
	if err := rootCmd.Execute(); err != nil {
		fmt.Println(err)
		os.Exit(1)
	}
}

func init() {
	cobra.OnInitialize(initConfig)

	// Here you will define your flags and configuration settings.
	// Cobra supports persistent flags, which, if defined here,
	// will be global for your application.

	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (telegram.yaml)")
	// Cobra also supports local flags, which will only run
	// when this action is called directly.
	rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")

	initLog()
	defer logger.Sync()
	// l = logger.Sugar()
	utils.Log = logger

}

// initConfig reads in config file and ENV variables if set.
func initConfig() {
	if cfgFile != "" {
		// Use config file from the flag.
		viper.SetConfigFile(cfgFile)
	} else {
		// Search config in home directory with name ".tele-recv" (without extension).
		viper.AddConfigPath(".")
		viper.SetConfigName("telegram")
	}

	viper.AutomaticEnv() // read in environment variables that match

	// If a config file is found, read it in.
	if err := viper.ReadInConfig(); err == nil {
		// fmt.Println("Using config file:", viper.ConfigFileUsed())
		logger.Info("Using config file ", zap.String("path", viper.ConfigFileUsed()))
		device = viper.GetString("serial.device")
		baudrate = viper.GetInt("serial.baudrate")
		lograw = viper.GetBool("serial.lograw")
		dbFile = viper.GetString("sqlite.file")
		dbInit = viper.GetBool("sqlite.init")
		socketAddress = viper.GetString("socket.address")
	}

}

func initLog() {
	logFile := "./logs/telegram-%Y-%m-%d-%H.log"
	rotator, err := rotatelogs.New(
		logFile,
		rotatelogs.WithMaxAge(60*24*time.Hour),
		rotatelogs.WithRotationTime(time.Hour))
	if err != nil {
		panic(err)
	}

	rawFile := "./logs/raw-%Y-%m-%d-%H.txt"
	utils.RawLog, err = rotatelogs.New(
		rawFile,
		rotatelogs.WithMaxAge(60*24*time.Hour),
		rotatelogs.WithRotationTime(time.Hour))
	if err != nil {
		panic(err)
	}

	filePriority := zap.LevelEnablerFunc(func(lvl zapcore.Level) bool {
		return lvl >= zapcore.DebugLevel
	})

	stdoutPriority := zap.LevelEnablerFunc(func(lvl zapcore.Level) bool {
		return lvl >= zapcore.InfoLevel
	})

	encoder := zapcore.NewConsoleEncoder(zap.NewDevelopmentEncoderConfig())

	core := zapcore.NewTee(
		zapcore.NewCore(encoder, zapcore.Lock(os.Stdout), stdoutPriority),
		zapcore.NewCore(encoder, zapcore.AddSync(rotator), filePriority),
	)

	logger = zap.New(core)

}