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fix(syncthing): make directory flags global for all commands (#10028)

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The home/config/data flags and end vars apply equally to all subcommands
This commit is contained in:
Jakob Borg
2025-04-03 08:58:46 +02:00
committed by GitHub
parent 82a0dd8eaa
commit b88aea34b6
6 changed files with 88 additions and 133 deletions
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cmd/syncthing/main.go
+82 -57
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@@ -35,7 +35,6 @@ import (
"github.com/willabides/kongplete"
"github.com/syncthing/syncthing/cmd/syncthing/cli"
"github.com/syncthing/syncthing/cmd/syncthing/cmdutil"
"github.com/syncthing/syncthing/cmd/syncthing/decrypt"
"github.com/syncthing/syncthing/cmd/syncthing/generate"
"github.com/syncthing/syncthing/internal/db"
@@ -128,9 +127,17 @@ var (
// The entrypoint struct is the main entry point for the command line parser. The
// commands and options here are top level commands to syncthing.
// Cli is just a placeholder for the help text (see main).
var entrypoint struct {
Serve serveOptions `cmd:"" help:"Run Syncthing (default)" default:"withargs"`
CLI cli.CLI `cmd:"" help:"Command line interface for Syncthing"`
type CLI struct {
// The directory options are defined at top level and available for all
// subcommands. Their settings take effect on the `locations` package by
// way of the command line parser, so anything using `locations.Get` etc
// will be doing the right thing.
ConfDir string `name:"config" short:"C" placeholder:"PATH" env:"STCONFDIR" help:"Set configuration directory (config and keys)"`
DataDir string `name:"data" short:"D" placeholder:"PATH" env:"STDATADIR" help:"Set data directory (database and logs)"`
HomeDir string `name:"home" short:"H" placeholder:"PATH" env:"STHOMEDIR" help:"Set configuration and data directory"`
Serve serveCmd `cmd:"" help:"Run Syncthing (default)" default:"withargs"`
CLI cli.CLI `cmd:"" help:"Command line interface for Syncthing"`
Browser browserCmd `cmd:"" help:"Open GUI in browser, then exit"`
Decrypt decrypt.CLI `cmd:"" help:"Decrypt or verify an encrypted folder"`
@@ -144,9 +151,14 @@ var entrypoint struct {
InstallCompletions kongplete.InstallCompletions `cmd:"" help:"Print commands to install shell completions"`
}
// serveOptions are the options for the `syncthing serve` command.
type serveOptions struct {
cmdutil.DirOptions
func (c *CLI) AfterApply() error {
// Executed after parsing command line options but before running actual
// subcommands
return setConfigDataLocationsFromFlags(c.HomeDir, c.ConfDir, c.DataDir)
}
// serveCmd are the options for the `syncthing serve` command.
type serveCmd struct {
buildSpecificOptions
AllowNewerConfig bool `help:"Allow loading newer than current config version" env:"STALLOWNEWERCONFIG"`
@@ -209,6 +221,7 @@ func defaultVars() kong.Vars {
func main() {
// Create a parser with an overridden help function to print our extra
// help info.
var entrypoint CLI
parser, err := kong.New(
&entrypoint,
kong.ConfigureHelp(kong.HelpOptions{
@@ -242,46 +255,39 @@ func helpHandler(options kong.HelpOptions, ctx *kong.Context) error {
return nil
}
// serveOptions.Run() is the entrypoint for `syncthing serve`
func (options serveOptions) Run() error {
l.SetFlags(options.LogFlags)
// serveCmd.Run() is the entrypoint for `syncthing serve`
func (c *serveCmd) Run() error {
l.SetFlags(c.LogFlags)
if options.GUIAddress != "" {
if c.GUIAddress != "" {
// The config picks this up from the environment.
os.Setenv("STGUIADDRESS", options.GUIAddress)
os.Setenv("STGUIADDRESS", c.GUIAddress)
}
if options.GUIAPIKey != "" {
if c.GUIAPIKey != "" {
// The config picks this up from the environment.
os.Setenv("STGUIAPIKEY", options.GUIAPIKey)
os.Setenv("STGUIAPIKEY", c.GUIAPIKey)
}
if options.HideConsole {
if c.HideConsole {
osutil.HideConsole()
}
// Not set as default above because the strings can be really long.
err := cmdutil.SetConfigDataLocationsFromFlags(options.HomeDir, options.ConfDir, options.DataDir)
if err != nil {
l.Warnln("Command line options:", err)
os.Exit(svcutil.ExitError.AsInt())
}
// Treat an explicitly empty log file name as no log file
if options.LogFile == "" {
options.LogFile = "-"
if c.LogFile == "" {
c.LogFile = "-"
}
if options.LogFile != "default" {
if c.LogFile != "default" {
// We must set this *after* expandLocations above.
if err := locations.Set(locations.LogFile, options.LogFile); err != nil {
if err := locations.Set(locations.LogFile, c.LogFile); err != nil {
l.Warnln("Setting log file path:", err)
os.Exit(svcutil.ExitError.AsInt())
}
}
if options.DebugGUIAssetsDir != "" {
if c.DebugGUIAssetsDir != "" {
// The asset dir is blank if STGUIASSETS wasn't set, in which case we
// should look for extra assets in the default place.
if err := locations.Set(locations.GUIAssets, options.DebugGUIAssetsDir); err != nil {
if err := locations.Set(locations.GUIAssets, c.DebugGUIAssetsDir); err != nil {
l.Warnln("Setting GUI assets path:", err)
os.Exit(svcutil.ExitError.AsInt())
}
@@ -293,10 +299,10 @@ func (options serveOptions) Run() error {
os.Exit(svcutil.ExitError.AsInt())
}
if options.InternalInnerProcess {
syncthingMain(options)
if c.InternalInnerProcess {
c.syncthingMain()
} else {
monitorMain(options)
c.monitorMain()
}
return nil
}
@@ -405,14 +411,14 @@ func upgradeViaRest() error {
return err
}
func syncthingMain(options serveOptions) {
if options.DebugProfileBlock {
func (c *serveCmd) syncthingMain() {
if c.DebugProfileBlock {
startBlockProfiler()
}
if options.DebugProfileHeap {
if c.DebugProfileHeap {
startHeapProfiler()
}
if options.DebugPerfStats {
if c.DebugPerfStats {
startPerfStats()
}
@@ -457,7 +463,7 @@ func syncthingMain(options serveOptions) {
evLogger := events.NewLogger()
earlyService.Add(evLogger)
cfgWrapper, err := syncthing.LoadConfigAtStartup(locations.Get(locations.ConfigFile), cert, evLogger, options.AllowNewerConfig, options.NoDefaultFolder, options.NoPortProbing)
cfgWrapper, err := syncthing.LoadConfigAtStartup(locations.Get(locations.ConfigFile), cert, evLogger, c.AllowNewerConfig, c.NoDefaultFolder, c.NoPortProbing)
if err != nil {
l.Warnln("Failed to initialize config:", err)
os.Exit(svcutil.ExitError.AsInt())
@@ -468,7 +474,7 @@ func syncthingMain(options serveOptions) {
// unless we are in a build where it's disabled or the STNOUPGRADE
// environment variable is set.
if build.IsCandidate && !upgrade.DisabledByCompilation && !options.NoUpgrade {
if build.IsCandidate && !upgrade.DisabledByCompilation && !c.NoUpgrade {
cfgWrapper.Modify(func(cfg *config.Configuration) {
l.Infoln("Automatic upgrade is always enabled for candidate releases.")
if cfg.Options.AutoUpgradeIntervalH == 0 || cfg.Options.AutoUpgradeIntervalH > 24 {
@@ -495,7 +501,7 @@ func syncthingMain(options serveOptions) {
// Check if auto-upgrades is possible, and if yes, and it's enabled do an initial
// upgrade immediately. The auto-upgrade routine can only be started
// later after App is initialised.
autoUpgradePossible := autoUpgradePossible(options)
autoUpgradePossible := c.autoUpgradePossible()
if autoUpgradePossible && cfgWrapper.Options().AutoUpgradeEnabled() {
// try to do upgrade directly and log the error if relevant.
miscDB := db.NewMiscDB(sdb)
@@ -515,21 +521,21 @@ func syncthingMain(options serveOptions) {
}
}
if options.Unpaused {
if c.Unpaused {
setPauseState(cfgWrapper, false)
} else if options.Paused {
} else if c.Paused {
setPauseState(cfgWrapper, true)
}
appOpts := syncthing.Options{
NoUpgrade: options.NoUpgrade,
ProfilerAddr: options.DebugProfilerListen,
ResetDeltaIdxs: options.DebugResetDeltaIdxs,
Verbose: options.Verbose,
DBMaintenanceInterval: options.DBMaintenanceInterval,
NoUpgrade: c.NoUpgrade,
ProfilerAddr: c.DebugProfilerListen,
ResetDeltaIdxs: c.DebugResetDeltaIdxs,
Verbose: c.Verbose,
DBMaintenanceInterval: c.DBMaintenanceInterval,
}
if options.Audit {
appOpts.AuditWriter = auditWriter(options.AuditFile)
if c.Audit {
appOpts.AuditWriter = auditWriter(c.AuditFile)
}
app, err := syncthing.New(cfgWrapper, sdb, evLogger, cert, appOpts)
@@ -544,7 +550,7 @@ func syncthingMain(options serveOptions) {
setupSignalHandling(app)
if options.DebugProfileCPU {
if c.DebugProfileCPU {
f, err := os.Create(fmt.Sprintf("cpu-%d.pprof", os.Getpid()))
if err != nil {
l.Warnln("Creating profile:", err)
@@ -562,7 +568,7 @@ func syncthingMain(options serveOptions) {
cleanConfigDirectory()
if cfgWrapper.Options().StartBrowser && !options.NoBrowser && !options.InternalRestarting {
if cfgWrapper.Options().StartBrowser && !c.NoBrowser && !c.InternalRestarting {
// Can potentially block if the utility we are invoking doesn't
// fork, and just execs, hence keep it in its own routine.
go func() { _ = openURL(cfgWrapper.GUI().URL()) }()
@@ -574,7 +580,7 @@ func syncthingMain(options serveOptions) {
l.Warnln("Syncthing stopped with error:", app.Error())
}
if options.DebugProfileCPU {
if c.DebugProfileCPU {
pprof.StopCPUProfile()
}
@@ -648,15 +654,11 @@ func auditWriter(auditFile string) io.Writer {
return fd
}
func resetDB() error {
return os.RemoveAll(locations.Get(locations.Database))
}
func autoUpgradePossible(options serveOptions) bool {
func (c *serveCmd) autoUpgradePossible() bool {
if upgrade.DisabledByCompilation {
return false
}
if options.NoUpgrade {
if c.NoUpgrade {
l.Infof("No automatic upgrades; STNOUPGRADE environment variable defined.")
return false
}
@@ -921,10 +923,33 @@ type debugCmd struct {
type resetDatabaseCmd struct{}
func (resetDatabaseCmd) Run() error {
if err := resetDB(); err != nil {
l.Infoln("Removing database in", locations.Get(locations.Database))
if err := os.RemoveAll(locations.Get(locations.Database)); err != nil {
l.Warnln("Resetting database:", err)
os.Exit(svcutil.ExitError.AsInt())
}
l.Infoln("Successfully reset database - it will be rebuilt after next start.")
return nil
}
func setConfigDataLocationsFromFlags(homeDir, confDir, dataDir string) error {
homeSet := homeDir != ""
confSet := confDir != ""
dataSet := dataDir != ""
switch {
case dataSet != confSet:
return errors.New("either both or none of --config and --data must be given, use --home to set both at once")
case homeSet && dataSet:
return errors.New("--home must not be used together with --config and --data")
case homeSet:
confDir = homeDir
dataDir = homeDir
fallthrough
case dataSet:
if err := locations.SetBaseDir(locations.ConfigBaseDir, confDir); err != nil {
return err
}
return locations.SetBaseDir(locations.DataBaseDir, dataDir)
}
return nil
}