mirror of
https://github.com/juanfont/headscale.git
synced 2024-12-30 00:09:42 +01:00
113 lines
2.5 KiB
Go
113 lines
2.5 KiB
Go
package cli
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import (
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"encoding/json"
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"fmt"
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"io"
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"log"
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"os"
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"path/filepath"
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"strings"
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"github.com/juanfont/headscale"
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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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type ErrorOutput struct {
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Error string
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}
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func absPath(path string) string {
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// If a relative path is provided, prefix it with the the directory where
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// the config file was found.
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if (path != "") && !strings.HasPrefix(path, "/") {
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dir, _ := filepath.Split(viper.ConfigFileUsed())
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if dir != "" {
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path = dir + "/" + path
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}
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}
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return path
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}
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func getHeadscaleApp() (*headscale.Headscale, error) {
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derpMap, err := loadDerpMap(absPath(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: absPath(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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TLSLetsEncryptHostname: viper.GetString("tls_letsencrypt_hostname"),
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TLSLetsEncryptCacheDir: absPath(viper.GetString("tls_letsencrypt_cache_dir")),
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TLSLetsEncryptChallengeType: viper.GetString("tls_letsencrypt_challenge_type"),
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TLSCertPath: absPath(viper.GetString("tls_cert_path")),
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TLSKeyPath: absPath(viper.GetString("tls_key_path")),
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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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func JsonOutput(result interface{}, errResult error, outputFormat string) {
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var j []byte
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var err error
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switch outputFormat {
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case "json":
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if errResult != nil {
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j, err = json.MarshalIndent(ErrorOutput{errResult.Error()}, "", "\t")
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if err != nil {
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log.Fatalln(err)
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}
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} else {
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j, err = json.MarshalIndent(result, "", "\t")
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if err != nil {
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log.Fatalln(err)
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}
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}
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case "json-line":
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if errResult != nil {
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j, err = json.Marshal(ErrorOutput{errResult.Error()})
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if err != nil {
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log.Fatalln(err)
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}
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} else {
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j, err = json.Marshal(result)
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if err != nil {
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log.Fatalln(err)
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}
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}
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}
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fmt.Println(string(j))
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}
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