samurai/cmd/root.go

109 lines
2.2 KiB
Go

// nolint: gochecknoinits, gochecknoglobals, exhaustivestruct, goerr113
package cmd
import (
"fmt"
"os"
"github.com/rs/zerolog/log"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"go.xsfx.dev/samurai/internal/config"
"go.xsfx.dev/samurai/internal/server"
)
var (
version = "dev"
commit = "none"
date = "unknown"
)
var (
keyPath string
cfgFile string
)
var rootCmd = &cobra.Command{
Use: "samurai",
Run: func(cmd *cobra.Command, args []string) {
if err := cmd.Help(); err != nil {
log.Fatal().Msg(err.Error())
}
os.Exit(1)
},
}
var runCmd = &cobra.Command{
Use: "run",
Short: "Run SSH server",
PreRunE: initConfig,
Run: func(cmd *cobra.Command, args []string) {
server.Run(keyPath)
},
}
var versionCmd = &cobra.Command{
Use: "version",
Short: "Print version",
Run: func(cmd *cobra.Command, args []string) {
fmt.Printf("samurai %s, commit %s, %s", version, commit, date) // nolint: forbidigo
},
}
var addUserCmd = &cobra.Command{
Use: "add-user",
Short: "Add user",
PreRunE: initConfig,
RunE: func(cmd *cobra.Command, args []string) error {
if err := config.AddUser(); err != nil {
return fmt.Errorf("could not add user: %w", err)
}
return nil
},
}
func init() {
// Version command.
rootCmd.AddCommand(versionCmd)
rootCmd.PersistentFlags().StringVarP(&cfgFile, "config", "c", "", "config file")
// Run command.
rootCmd.AddCommand(runCmd)
runCmd.Flags().StringVarP(&keyPath, "private-key", "k", "", "path of private SSH key")
if err := viper.BindPFlag("private-key", runCmd.Flags().Lookup("private-key")); err != nil {
log.Fatal().Msg(err.Error())
}
if err := runCmd.MarkFlagRequired("private-key"); err != nil {
log.Fatal().Msg(err.Error())
}
// Add-User command.
rootCmd.AddCommand(addUserCmd)
}
func initConfig(cmd *cobra.Command, args []string) error {
if cfgFile != "" {
viper.SetConfigFile(cfgFile)
if err := viper.ReadInConfig(); err != nil {
log.Fatal().Msg(err.Error())
}
} else {
return fmt.Errorf("needs config file")
}
viper.SetEnvPrefix("SAMURAI")
viper.AutomaticEnv()
return nil
}
func Execute() {
if err := rootCmd.Execute(); err != nil {
log.Fatal().Msg(err.Error())
}
}