118 lines
3.2 KiB
Go
118 lines
3.2 KiB
Go
package cmd
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import (
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"context"
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"os"
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"os/signal"
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"syscall"
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"github.com/Neur0toxine/sshpoke/internal/config"
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"github.com/Neur0toxine/sshpoke/internal/docker"
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"github.com/Neur0toxine/sshpoke/internal/logger"
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"github.com/Neur0toxine/sshpoke/internal/model"
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"github.com/Neur0toxine/sshpoke/internal/plugin"
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"github.com/Neur0toxine/sshpoke/internal/server"
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"github.com/go-playground/validator/v10"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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)
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var cfgFile string
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var rootCmd = &cobra.Command{
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Use: "sshpoke",
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Short: "Expose your Docker services to the Internet via SSH.",
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Long: `sshpoke is a CLI application that listens to the docker socket and automatically exposes relevant services to the Internet.`,
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Run: func(cmd *cobra.Command, args []string) {
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go plugin.StartAPIServer()
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var err error
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ctx, cancel := context.WithCancel(context.Background())
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server.DefaultManager = server.NewManager(ctx, config.Default.Servers, config.Default.DefaultServer)
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docker.Default, err = docker.New(ctx)
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if err != nil {
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logger.Sugar.Fatalf("cannot connect to docker daemon: %s", err)
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}
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for id, item := range docker.Default.Containers() {
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err := server.DefaultManager.ProcessEvent(model.Event{
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Type: model.EventStart,
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ID: id,
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Container: item,
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})
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if err != nil {
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logger.Sugar.Errorw("cannot expose container", "id", id, "error", err)
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}
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}
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events, err := docker.Default.Listen()
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if err != nil {
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logger.Sugar.Fatalf("cannot listen to docker events: %s", err)
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}
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go func() {
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logger.Sugar.Debug("listening for docker events...")
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for event := range events {
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err := server.DefaultManager.ProcessEvent(event)
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if err != nil {
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logger.Sugar.Errorw("cannot expose container", "id", event.ID, "error", err)
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}
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}
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}()
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linuxSig := make(chan os.Signal, 1)
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signal.Notify(linuxSig)
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for sig := range linuxSig {
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switch sig {
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case os.Interrupt, syscall.SIGQUIT, syscall.SIGTERM:
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cancel()
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server.DefaultManager.WaitForShutdown()
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logger.Sugar.Infof("received %s, exiting...", sig)
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os.Exit(0)
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default:
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}
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}
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},
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}
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func Execute() {
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err := rootCmd.Execute()
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if err != nil {
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os.Exit(1)
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}
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}
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func init() {
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cobra.OnInitialize(initConfig)
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rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "config.yml", "Configuration file (default is config.yml)")
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}
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func initConfig() {
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if cfgFile != "" {
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viper.SetConfigFile(cfgFile)
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} else {
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workingDir, err := os.Getwd()
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cobra.CheckErr(err)
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viper.AddConfigPath(workingDir)
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viper.SetConfigType("yml")
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viper.SetConfigName("config")
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}
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log := logger.New(os.Getenv("SSHPOKE_DEBUG") == "true").Sugar()
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viper.SetEnvPrefix("SSHPOKE")
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viper.AutomaticEnv()
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if err := config.BindStructEnv(&config.Default); err != nil {
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log.Fatalf("cannot bind configuration keys: %s", err)
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}
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if err := viper.ReadInConfig(); err == nil {
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log.Debugf("using config file: %s", viper.ConfigFileUsed())
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}
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if err := viper.Unmarshal(&config.Default); err != nil {
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log.Fatalf("cannot load configuration: %s", err)
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}
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if err := validator.New().Struct(config.Default); err != nil {
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log.Fatalf("invalid configuration: %s", err)
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}
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logger.Initialize()
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logger.Sugar.Debugw("configuration loaded", "config", config.Default)
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}
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