mirror of
https://github.com/drakkan/sftpgo.git
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274 lines
8.3 KiB
Go
274 lines
8.3 KiB
Go
// Package service allows to start and stop the SFTPGo service
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package service
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import (
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"errors"
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"github.com/rs/zerolog"
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"github.com/drakkan/sftpgo/common"
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"github.com/drakkan/sftpgo/config"
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"github.com/drakkan/sftpgo/dataprovider"
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"github.com/drakkan/sftpgo/httpd"
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"github.com/drakkan/sftpgo/logger"
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"github.com/drakkan/sftpgo/utils"
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"github.com/drakkan/sftpgo/version"
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)
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const (
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logSender = "service"
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)
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var (
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chars = []rune("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789")
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)
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// Service defines the SFTPGo service
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type Service struct {
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ConfigDir string
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ConfigFile string
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LogFilePath string
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LogMaxSize int
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LogMaxBackups int
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LogMaxAge int
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PortableMode int
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PortableUser dataprovider.User
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LogCompress bool
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LogVerbose bool
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LoadDataClean bool
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LoadDataFrom string
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LoadDataMode int
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LoadDataQuotaScan int
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Shutdown chan bool
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Error error
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}
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// Start initializes the service
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func (s *Service) Start() error {
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logLevel := zerolog.DebugLevel
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if !s.LogVerbose {
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logLevel = zerolog.InfoLevel
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}
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if !filepath.IsAbs(s.LogFilePath) && utils.IsFileInputValid(s.LogFilePath) {
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s.LogFilePath = filepath.Join(s.ConfigDir, s.LogFilePath)
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}
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logger.InitLogger(s.LogFilePath, s.LogMaxSize, s.LogMaxBackups, s.LogMaxAge, s.LogCompress, logLevel)
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if s.PortableMode == 1 {
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logger.EnableConsoleLogger(logLevel)
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if s.LogFilePath == "" {
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logger.DisableLogger()
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}
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}
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logger.Info(logSender, "", "starting SFTPGo %v, config dir: %v, config file: %v, log max size: %v log max backups: %v "+
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"log max age: %v log verbose: %v, log compress: %v, load data from: %#v", version.GetAsString(), s.ConfigDir, s.ConfigFile,
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s.LogMaxSize, s.LogMaxBackups, s.LogMaxAge, s.LogVerbose, s.LogCompress, s.LoadDataFrom)
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// in portable mode we don't read configuration from file
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if s.PortableMode != 1 {
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err := config.LoadConfig(s.ConfigDir, s.ConfigFile)
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if err != nil {
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logger.Error(logSender, "", "error loading configuration: %v", err)
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return err
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}
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}
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if !config.HasServicesToStart() {
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infoString := "No service configured, nothing to do"
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logger.Info(logSender, "", infoString)
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logger.InfoToConsole(infoString)
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return errors.New(infoString)
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}
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err := common.Initialize(config.GetCommonConfig())
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if err != nil {
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logger.Error(logSender, "", "%v", err)
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logger.ErrorToConsole("%v", err)
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os.Exit(1)
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}
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kmsConfig := config.GetKMSConfig()
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err = kmsConfig.Initialize()
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if err != nil {
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logger.Error(logSender, "", "unable to initialize KMS: %v", err)
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logger.ErrorToConsole("unable to initialize KMS: %v", err)
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os.Exit(1)
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}
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providerConf := config.GetProviderConf()
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err = dataprovider.Initialize(providerConf, s.ConfigDir)
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if err != nil {
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logger.Error(logSender, "", "error initializing data provider: %v", err)
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logger.ErrorToConsole("error initializing data provider: %v", err)
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return err
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}
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if s.PortableMode == 1 {
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// create the user for portable mode
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err = dataprovider.AddUser(s.PortableUser)
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if err != nil {
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logger.ErrorToConsole("error adding portable user: %v", err)
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return err
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}
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}
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err = s.loadInitialData()
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if err != nil {
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logger.Error(logSender, "", "unable to load initial data: %v", err)
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logger.ErrorToConsole("unable to load initial data: %v", err)
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}
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httpConfig := config.GetHTTPConfig()
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httpConfig.Initialize(s.ConfigDir)
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s.startServices()
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return nil
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}
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func (s *Service) startServices() {
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sftpdConf := config.GetSFTPDConfig()
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ftpdConf := config.GetFTPDConfig()
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httpdConf := config.GetHTTPDConfig()
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webDavDConf := config.GetWebDAVDConfig()
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telemetryConf := config.GetTelemetryConfig()
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if sftpdConf.ShouldBind() {
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go func() {
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logger.Debug(logSender, "", "initializing SFTP server with config %+v", sftpdConf)
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if err := sftpdConf.Initialize(s.ConfigDir); err != nil {
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logger.Error(logSender, "", "could not start SFTP server: %v", err)
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logger.ErrorToConsole("could not start SFTP server: %v", err)
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s.Error = err
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}
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s.Shutdown <- true
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}()
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} else {
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logger.Debug(logSender, "", "SFTP server not started, disabled in config file")
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}
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if httpdConf.ShouldBind() {
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go func() {
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if err := httpdConf.Initialize(s.ConfigDir); err != nil {
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logger.Error(logSender, "", "could not start HTTP server: %v", err)
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logger.ErrorToConsole("could not start HTTP server: %v", err)
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s.Error = err
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}
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s.Shutdown <- true
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}()
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} else {
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logger.Debug(logSender, "", "HTTP server not started, disabled in config file")
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if s.PortableMode != 1 {
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logger.DebugToConsole("HTTP server not started, disabled in config file")
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}
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}
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if ftpdConf.ShouldBind() {
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go func() {
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if err := ftpdConf.Initialize(s.ConfigDir); err != nil {
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logger.Error(logSender, "", "could not start FTP server: %v", err)
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logger.ErrorToConsole("could not start FTP server: %v", err)
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s.Error = err
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}
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s.Shutdown <- true
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}()
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} else {
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logger.Debug(logSender, "", "FTP server not started, disabled in config file")
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}
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if webDavDConf.ShouldBind() {
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go func() {
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if err := webDavDConf.Initialize(s.ConfigDir); err != nil {
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logger.Error(logSender, "", "could not start WebDAV server: %v", err)
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logger.ErrorToConsole("could not start WebDAV server: %v", err)
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s.Error = err
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}
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s.Shutdown <- true
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}()
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} else {
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logger.Debug(logSender, "", "WebDAV server not started, disabled in config file")
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}
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if telemetryConf.ShouldBind() {
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go func() {
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if err := telemetryConf.Initialize(s.ConfigDir); err != nil {
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logger.Error(logSender, "", "could not start telemetry server: %v", err)
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logger.ErrorToConsole("could not start telemetry server: %v", err)
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s.Error = err
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}
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s.Shutdown <- true
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}()
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} else {
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logger.Debug(logSender, "", "telemetry server not started, disabled in config file")
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if s.PortableMode != 1 {
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logger.DebugToConsole("telemetry server not started, disabled in config file")
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}
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}
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}
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// Wait blocks until the service exits
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func (s *Service) Wait() {
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if s.PortableMode != 1 {
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registerSigHup()
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registerSigUSR1()
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}
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<-s.Shutdown
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}
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// Stop terminates the service unblocking the Wait method
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func (s *Service) Stop() {
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close(s.Shutdown)
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logger.Debug(logSender, "", "Service stopped")
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}
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func (s *Service) loadInitialData() error {
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if s.LoadDataFrom == "" {
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return nil
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}
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if !filepath.IsAbs(s.LoadDataFrom) {
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return fmt.Errorf("invalid input_file %#v, it must be an absolute path", s.LoadDataFrom)
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}
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if s.LoadDataMode < 0 || s.LoadDataMode > 1 {
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return fmt.Errorf("Invalid loaddata-mode %v", s.LoadDataMode)
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}
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if s.LoadDataQuotaScan < 0 || s.LoadDataQuotaScan > 2 {
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return fmt.Errorf("Invalid loaddata-scan %v", s.LoadDataQuotaScan)
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}
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info, err := os.Stat(s.LoadDataFrom)
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if err != nil {
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return err
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}
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if info.Size() > httpd.MaxRestoreSize {
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return fmt.Errorf("unable to restore input file %#v size too big: %v/%v bytes",
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s.LoadDataFrom, info.Size(), httpd.MaxRestoreSize)
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}
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content, err := ioutil.ReadFile(s.LoadDataFrom)
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if err != nil {
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return fmt.Errorf("unable to read input file %#v: %v", s.LoadDataFrom, err)
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}
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dump, err := dataprovider.ParseDumpData(content)
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if err != nil {
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return fmt.Errorf("unable to parse file to restore %#v: %v", s.LoadDataFrom, err)
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}
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err = httpd.RestoreFolders(dump.Folders, s.LoadDataFrom, s.LoadDataQuotaScan)
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if err != nil {
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return fmt.Errorf("unable to restore folders from file %#v: %v", s.LoadDataFrom, err)
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}
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err = httpd.RestoreUsers(dump.Users, s.LoadDataFrom, s.LoadDataMode, s.LoadDataQuotaScan)
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if err != nil {
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return fmt.Errorf("unable to restore users from file %#v: %v", s.LoadDataFrom, err)
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}
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logger.Info(logSender, "", "data loaded from file %#v mode: %v, quota scan %v", s.LoadDataFrom,
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s.LoadDataMode, s.LoadDataQuotaScan)
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logger.InfoToConsole("data loaded from file %#v mode: %v, quota scan %v", s.LoadDataFrom,
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s.LoadDataMode, s.LoadDataQuotaScan)
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if s.LoadDataClean {
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err = os.Remove(s.LoadDataFrom)
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if err == nil {
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logger.Info(logSender, "", "file %#v deleted after successful load", s.LoadDataFrom)
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logger.InfoToConsole("file %#v deleted after successful load", s.LoadDataFrom)
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} else {
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logger.Warn(logSender, "", "unable to delete file %#v after successful load: %v", s.LoadDataFrom, err)
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logger.WarnToConsole("unable to delete file %#v after successful load: %v", s.LoadDataFrom, err)
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}
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}
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return nil
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}
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