sprawl/sprawl

package main

import (
    "github.com/sprawl/sprawl/app"
    "github.com/sprawl/sprawl/config"
    "go.uber.org/zap"
    "go.uber.org/zap/zapcore"
)

var appConfig *config.Config
var logger *zap.Logger
var log *zap.SugaredLogger
var configPath = "./config/default"

func init() {
    // Read config
    appConfig = &config.Config{}
    appConfig.ReadConfig(configPath)

    // Read logLevel from appConfig
    var logLevel zapcore.Level
    switch appConfig.GetLogLevel() {
    case "DEBUG":
        logLevel = zapcore.DebugLevel
    case "INFO":
        logLevel = zapcore.InfoLevel
    case "WARN":
        logLevel = zapcore.WarnLevel
    case "ERROR":
        logLevel = zapcore.ErrorLevel
    case "PANIC":
        logLevel = zapcore.PanicLevel
    default:
        logLevel = zapcore.InfoLevel
    }

    // Read logFormat ("console"/"json") from appConfig
    logFormat := appConfig.GetLogFormat()
    if logFormat == "" {
        logFormat = "json"
    }

    // Create logger
    cfg := zap.Config{
        Encoding:         logFormat,
        Level:            zap.NewAtomicLevelAt(logLevel),
        OutputPaths:      []string{"stderr"},
        ErrorOutputPaths: []string{"stderr"},
        EncoderConfig: zapcore.EncoderConfig{
            MessageKey:   "msg",
            LevelKey:     "level",
            EncodeLevel:  zapcore.CapitalLevelEncoder,
            TimeKey:      "time",
            EncodeTime:   zapcore.ISO8601TimeEncoder,
            CallerKey:    "caller",
            EncodeCaller: zapcore.ShortCallerEncoder,
        },
    }
    logger, _ = cfg.Build()
    log = logger.Sugar()
}

func main() {
    app := &app.App{}
    app.InitServices(appConfig, log)
    app.Run()
}