128 lines
2.8 KiB
Go
128 lines
2.8 KiB
Go
package main
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import (
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"fmt"
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"io"
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"log"
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"os"
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"github.com/juanfont/headscale"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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"gopkg.in/yaml.v2"
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"tailscale.com/tailcfg"
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)
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const version = "0.1"
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var versionCmd = &cobra.Command{
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Use: "version",
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Short: "Print the version.",
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Long: "The version of headscale.",
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Run: func(cmd *cobra.Command, args []string) {
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fmt.Println(version)
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},
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}
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var headscaleCmd = &cobra.Command{
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Use: "headscale",
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Short: "headscale - a Tailscale control server",
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Long: fmt.Sprintf(`
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headscale is an open source implementation of the Tailscale control server
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Juan Font Alonso <juanfontalonso@gmail.com> - 2021
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https://gitlab.com/juanfont/headscale`),
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}
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var serveCmd = &cobra.Command{
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Use: "serve",
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Short: "Launches the headscale server",
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Args: func(cmd *cobra.Command, args []string) error {
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return nil
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},
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Run: func(cmd *cobra.Command, args []string) {
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h, err := getHeadscaleApp()
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if err != nil {
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log.Fatalf("Error initializing: %s", err)
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}
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h.Serve()
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},
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}
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var registerCmd = &cobra.Command{
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Use: "register machineID",
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Short: "Registers a machine to your network",
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Args: func(cmd *cobra.Command, args []string) error {
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if len(args) < 1 {
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return fmt.Errorf("Missing parameters")
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}
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return nil
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},
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Run: func(cmd *cobra.Command, args []string) {
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h, err := getHeadscaleApp()
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if err != nil {
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log.Fatalf("Error initializing: %s", err)
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}
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h.RegisterMachine(args[0])
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},
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}
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func main() {
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viper.SetConfigName("config")
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viper.AddConfigPath(".")
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viper.AutomaticEnv()
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err := viper.ReadInConfig()
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if err != nil {
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log.Fatalf("Fatal error config file: %s \n", err)
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}
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headscaleCmd.AddCommand(versionCmd)
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headscaleCmd.AddCommand(serveCmd)
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headscaleCmd.AddCommand(registerCmd)
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if err := headscaleCmd.Execute(); err != nil {
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fmt.Println(err)
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os.Exit(-1)
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}
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}
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func getHeadscaleApp() (*headscale.Headscale, error) {
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derpMap, err := loadDerpMap(viper.GetString("derp_map_path"))
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if err != nil {
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log.Printf("Could not load DERP servers map file: %s", err)
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}
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cfg := headscale.Config{
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ServerURL: viper.GetString("server_url"),
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Addr: viper.GetString("listen_addr"),
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PrivateKeyPath: viper.GetString("private_key_path"),
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DerpMap: derpMap,
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DBhost: viper.GetString("db_host"),
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DBport: viper.GetInt("db_port"),
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DBname: viper.GetString("db_name"),
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DBuser: viper.GetString("db_user"),
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DBpass: viper.GetString("db_pass"),
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}
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h, err := headscale.NewHeadscale(cfg)
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if err != nil {
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return nil, err
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}
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return h, nil
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}
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func loadDerpMap(path string) (*tailcfg.DERPMap, error) {
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derpFile, err := os.Open(path)
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if err != nil {
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return nil, err
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}
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defer derpFile.Close()
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var derpMap tailcfg.DERPMap
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b, err := io.ReadAll(derpFile)
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if err != nil {
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return nil, err
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}
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err = yaml.Unmarshal(b, &derpMap)
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return &derpMap, err
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}
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