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Pull request 2307: AGDNS-2556 Custom updater URL

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Squashed commit of the following:

commit 73f946138ccb4f89141f192b6cb1a21887604ab4
Merge: c58847bfb d578c713f
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Tue Nov 26 17:42:29 2024 +0300

    Merge branch 'master' into AGDNS-2556-custom-update-url

commit c58847bfb08131263e1cff4813eb4a466f613d91
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Tue Nov 26 17:34:11 2024 +0300

    home: imp logging

commit 0d451621d76fdf2c363d223eb29c4442d8f36dc8
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Tue Nov 26 15:12:04 2024 +0300

    home: rename config field

commit c7f3822929e9199f8f411f1a0ad072c643feb42f
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Tue Nov 26 15:07:09 2024 +0300

    all: enable updater for some cases

commit 872cd3a18c
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Fri Nov 22 19:09:18 2024 +0300

    updater: imp test

commit c9efb412e7
Merge: c989eef71 abb738013
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Fri Nov 22 17:51:46 2024 +0300

    Merge branch 'master' into AGDNS-2556-custom-update-url

commit c989eef715
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Fri Nov 22 17:46:34 2024 +0300

    all: imp code

commit 0452d8b356
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Fri Nov 22 15:37:21 2024 +0300

    all: add custom url to updater
This commit is contained in:
Eugene Burkov 2024-11-26 20:35:16 +03:00
parent d578c713ff
commit 4a49c4db96
9 changed files with 183 additions and 102 deletions
internal/home
home.go

144
internal/home/home.go
View file

@ -12,7 +12,6 @@ import (
"net/url"
"os"
"os/signal"
"path"
"path/filepath"
"runtime"
"slices"
@ -495,11 +494,42 @@ func checkPorts() (err error) {
return nil
}
// isUpdateEnabled returns true if the update is enabled for current
// configuration. It also logs the decision. customURL should be true if the
// updater is using a custom URL.
func isUpdateEnabled(ctx context.Context, l *slog.Logger, opts *options, customURL bool) (ok bool) {
if opts.disableUpdate {
l.DebugContext(ctx, "updates are disabled by command-line option")
return false
}
switch version.Channel() {
case
version.ChannelDevelopment,
version.ChannelCandidate:
if customURL {
l.DebugContext(ctx, "updates are enabled because custom url is used")
} else {
l.DebugContext(ctx, "updates are disabled for development and candidate builds")
}
return customURL
default:
l.DebugContext(ctx, "updates are enabled")
return true
}
}
// initWeb initializes the web module.
func initWeb(
ctx context.Context,
opts options,
clientBuildFS fs.FS,
upd *updater.Updater,
l *slog.Logger,
customURL bool,
) (web *webAPI, err error) {
var clientFS fs.FS
if opts.localFrontend {
@ -513,17 +543,7 @@ func initWeb(
}
}
disableUpdate := opts.disableUpdate
switch version.Channel() {
case
version.ChannelDevelopment,
version.ChannelCandidate:
disableUpdate = true
}
if disableUpdate {
log.Info("AdGuard Home updates are disabled")
}
disableUpdate := !isUpdateEnabled(ctx, l, &opts, customURL)
webConf := &webConfig{
updater: upd,
@ -544,7 +564,7 @@ func initWeb(
web = newWebAPI(webConf, l)
if web == nil {
return nil, fmt.Errorf("initializing web: %w", err)
return nil, errors.Error("can not initialize web")
}
return web, nil
@ -557,6 +577,8 @@ func fatalOnError(err error) {
}
// run configures and starts AdGuard Home.
//
// TODO(e.burkov): Make opts a pointer.
func run(opts options, clientBuildFS fs.FS, done chan struct{}) {
// Configure working dir.
err := initWorkingDir(opts)
@ -604,33 +626,13 @@ func run(opts options, clientBuildFS fs.FS, done chan struct{}) {
execPath, err := os.Executable()
fatalOnError(errors.Annotate(err, "getting executable path: %w"))
u := &url.URL{
Scheme: urlutil.SchemeHTTPS,
// TODO(a.garipov): Make configurable.
Host: "static.adtidy.org",
Path: path.Join("adguardhome", version.Channel(), "version.json"),
}
confPath := configFilePath()
log.Debug("using config path %q for updater", confPath)
upd := updater.NewUpdater(&updater.Config{
Client: config.Filtering.HTTPClient,
Version: version.Version(),
Channel: version.Channel(),
GOARCH: runtime.GOARCH,
GOOS: runtime.GOOS,
GOARM: version.GOARM(),
GOMIPS: version.GOMIPS(),
WorkDir: Context.workDir,
ConfName: confPath,
ExecPath: execPath,
VersionCheckURL: u.String(),
})
upd, customURL := newUpdater(ctx, slogLogger, Context.workDir, confPath, execPath, config)
// TODO(e.burkov): This could be made earlier, probably as the option's
// effect.
cmdlineUpdate(opts, upd, slogLogger)
cmdlineUpdate(ctx, slogLogger, opts, upd)
if !Context.firstRun {
// Save the updated config.
@ -658,7 +660,7 @@ func run(opts options, clientBuildFS fs.FS, done chan struct{}) {
onConfigModified()
}
Context.web, err = initWeb(opts, clientBuildFS, upd, slogLogger)
Context.web, err = initWeb(ctx, opts, clientBuildFS, upd, slogLogger, customURL)
fatalOnError(err)
statsDir, querylogDir, err := checkStatsAndQuerylogDirs(&Context, config)
@ -696,6 +698,57 @@ func run(opts options, clientBuildFS fs.FS, done chan struct{}) {
<-done
}
// newUpdater creates a new AdGuard Home updater. customURL is true if the user
// has specified a custom version announcement URL.
func newUpdater(
ctx context.Context,
l *slog.Logger,
workDir string,
confPath string,
execPath string,
config *configuration,
) (upd *updater.Updater, customURL bool) {
// envName is the name of the environment variable that can be used to
// override the default version check URL.
const envName = "ADGUARD_HOME_TEST_UPDATE_VERSION_URL"
customURLStr := os.Getenv(envName)
var versionURL *url.URL
switch {
case version.Channel() == version.ChannelRelease:
// Only enable custom version URL for development builds.
l.DebugContext(ctx, "custom version url is disabled for release builds")
case !config.UnsafeUseCustomUpdateIndexURL:
l.DebugContext(ctx, "custom version url is disabled in config")
default:
versionURL, _ = url.Parse(customURLStr)
}
err := urlutil.ValidateHTTPURL(versionURL)
if customURL = err == nil; customURL {
l.DebugContext(ctx, "parsing custom version url", slogutil.KeyError, err)
versionURL = updater.DefaultVersionURL()
}
l.DebugContext(ctx, "creating updater", "config_path", confPath)
return updater.NewUpdater(&updater.Config{
Client: config.Filtering.HTTPClient,
Version: version.Version(),
Channel: version.Channel(),
GOARCH: runtime.GOARCH,
GOOS: runtime.GOOS,
GOARM: version.GOARM(),
GOMIPS: version.GOMIPS(),
WorkDir: workDir,
ConfName: confPath,
ExecPath: execPath,
VersionCheckURL: versionURL,
}), customURL
}
// checkPermissions checks and migrates permissions of the files and directories
// used by AdGuard Home, if needed.
func checkPermissions(workDir, confPath, dataDir, statsDir, querylogDir string) {
@ -1010,7 +1063,7 @@ type jsonError struct {
}
// cmdlineUpdate updates current application and exits. l must not be nil.
func cmdlineUpdate(opts options, upd *updater.Updater, l *slog.Logger) {
func cmdlineUpdate(ctx context.Context, l *slog.Logger, opts options, upd *updater.Updater) {
if !opts.performUpdate {
return
}
@ -1023,20 +1076,19 @@ func cmdlineUpdate(opts options, upd *updater.Updater, l *slog.Logger) {
err := initDNSServer(nil, nil, nil, nil, nil, nil, &tlsConfigSettings{}, l)
fatalOnError(err)
log.Info("cmdline update: performing update")
l.InfoContext(ctx, "performing update via cli")
info, err := upd.VersionInfo(true)
if err != nil {
vcu := upd.VersionCheckURL()
log.Error("getting version info from %s: %s", vcu, err)
l.ErrorContext(ctx, "getting version info", slogutil.KeyError, err)
os.Exit(1)
os.Exit(osutil.ExitCodeFailure)
}
if info.NewVersion == version.Version() {
log.Info("no updates available")
l.InfoContext(ctx, "no updates available")
os.Exit(0)
os.Exit(osutil.ExitCodeSuccess)
}
err = upd.Update(Context.firstRun)
@ -1044,10 +1096,10 @@ func cmdlineUpdate(opts options, upd *updater.Updater, l *slog.Logger) {
err = restartService()
if err != nil {
log.Debug("restarting service: %s", err)
log.Info("AdGuard Home was not installed as a service. " +
l.DebugContext(ctx, "restarting service", slogutil.KeyError, err)
l.InfoContext(ctx, "AdGuard Home was not installed as a service. "+
"Please restart running instances of AdGuardHome manually.")
}
os.Exit(0)
os.Exit(osutil.ExitCodeSuccess)
}