chore: init repository

2022-10-06 15:37:28 +02:00
commit 833851f695
38 changed files with 2302 additions and 0 deletions
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -0,0 +1,102 @@
+package cmd
+
+import (
+	"fmt"
+	"john/ginserver"
+	"john/handler"
+	"john/internal/utils"
+	"os"
+
+	"github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var (
+	config  = &handler.Config{}
+	cfgFile string
+)
+
+const (
+	parameterConfigurationFile = "config"
+	parameterLogLevel          = "loglevel"
+	parameterMock              = "mock"
+	parameterLogFormat         = "logformat"
+	parameterDBConnectionURI   = "dbconnectionuri"
+	parameterPort              = "port"
+)
+
+var (
+	defaultLogLevel        = logrus.WarnLevel.String()
+	defaultLogFormat       = utils.LogFormatText
+	defaultDBConnectionURI = ""
+	defaultPort            = 8080
+)
+
+var rootCmd = &cobra.Command{
+	Use:   "john",
+	Short: "john",
+	Run: func(cmd *cobra.Command, args []string) {
+		utils.InitLogger(config.LogLevel, config.LogFormat)
+		logrus.
+			WithField(parameterConfigurationFile, cfgFile).
+			WithField(parameterMock, config.Mock).
+			WithField(parameterLogLevel, config.LogLevel).
+			WithField(parameterLogFormat, config.LogFormat).
+			WithField(parameterPort, config.Port).
+			WithField(parameterDBConnectionURI, config.DBConnectionURI).
+			Warn("Configuration")
+
+		router := ginserver.NewRouter(config)
+		router.Run(fmt.Sprintf(":%d", config.Port))
+	},
+}
+
+func Execute() {
+	if err := rootCmd.Execute(); err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+}
+
+func init() {
+	cobra.OnInitialize(initConfig)
+
+	rootCmd.PersistentFlags().StringVar(&cfgFile, parameterConfigurationFile, "", "Config file. All flags given in command line will override the values from this file.")
+
+	rootCmd.Flags().String(parameterLogLevel, defaultLogLevel, "Use this flag to set the logging level")
+	viper.BindPFlag(parameterLogLevel, rootCmd.Flags().Lookup(parameterLogLevel))
+
+	rootCmd.Flags().String(parameterLogFormat, defaultLogFormat, "Use this flag to set the logging format")
+	viper.BindPFlag(parameterLogFormat, rootCmd.Flags().Lookup(parameterLogFormat))
+
+	rootCmd.Flags().String(parameterDBConnectionURI, defaultDBConnectionURI, "Use this flag to set the db connection URI")
+	viper.BindPFlag(parameterDBConnectionURI, rootCmd.Flags().Lookup(parameterDBConnectionURI))
+
+	rootCmd.Flags().Int(parameterPort, defaultPort, "Use this flag to set the listening port of the api")
+	viper.BindPFlag(parameterPort, rootCmd.Flags().Lookup(parameterPort))
+
+	rootCmd.Flags().Bool(parameterMock, false, "Use this flag to enable the mock mode")
+	viper.BindPFlag(parameterMock, rootCmd.Flags().Lookup(parameterMock))
+}
+
+// initConfig reads in config file and ENV variables if set.
+func initConfig() {
+	if cfgFile != "" {
+		// Use config file from the flag.
+		viper.SetConfigFile(cfgFile)
+	}
+
+	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())
+	}
+
+	config.LogLevel = viper.GetString(parameterLogLevel)
+	config.LogFormat = viper.GetString(parameterLogFormat)
+	config.Mock = viper.GetBool(parameterMock)
+	config.DBConnectionURI = viper.GetString(parameterDBConnectionURI)
+	config.Port = viper.GetInt(parameterPort)
+}