Improve install code to avoid low-level mistakes. (#17779)
* Improve install code to avoid low-level mistakes. If a user tries to do a re-install in a Gitea database, they gets a warning and double check. When Gitea runs, it never create empty app.ini automatically. Also some small (related) refactoring: * Refactor db.InitEngine related logic make it more clean (especially for the install code) * Move some i18n strings out from setting.go to make the setting.go can be easily maintained. * Show errors in CLI code if an incorrect app.ini is used. * APP_DATA_PATH is created when installing, and checked when starting (no empty directory is created any more).forgejo
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// Copyright 2021 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package install
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import (
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"code.gitea.io/gitea/models/db"
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"code.gitea.io/gitea/modules/setting"
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"xorm.io/xorm"
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)
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func getXORMEngine() *xorm.Engine {
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return db.DefaultContext.(*db.Context).Engine().(*xorm.Engine)
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}
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// CheckDatabaseConnection checks the database connection
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func CheckDatabaseConnection() error {
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e := db.GetEngine(db.DefaultContext)
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_, err := e.Exec("SELECT 1")
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return err
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}
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// GetMigrationVersion gets the database migration version
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func GetMigrationVersion() (int64, error) {
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var installedDbVersion int64
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x := getXORMEngine()
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exist, err := x.IsTableExist("version")
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if err != nil {
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return 0, err
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}
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if !exist {
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return 0, nil
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}
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_, err = x.Table("version").Cols("version").Get(&installedDbVersion)
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if err != nil {
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return 0, err
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}
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return installedDbVersion, nil
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}
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// HasPostInstallationUsers checks whether there are users after installation
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func HasPostInstallationUsers() (bool, error) {
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x := getXORMEngine()
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exist, err := x.IsTableExist("user")
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if err != nil {
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return false, err
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}
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if !exist {
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return false, nil
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}
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// if there are 2 or more users in database, we consider there are users created after installation
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threshold := 2
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if !setting.IsProd {
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// to debug easily, with non-prod RUN_MODE, we only check the count to 1
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threshold = 1
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}
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res, err := x.Table("user").Cols("id").Limit(threshold).Query()
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if err != nil {
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return false, err
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}
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return len(res) >= threshold, nil
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}
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// Copyright 2021 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package setting
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import (
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"fmt"
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"os"
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)
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// PrepareAppDataPath creates app data directory if necessary
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func PrepareAppDataPath() error {
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// FIXME: There are too many calls to MkdirAll in old code. It is incorrect.
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// For example, if someDir=/mnt/vol1/gitea-home/data, if the mount point /mnt/vol1 is not mounted when Gitea runs,
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// then gitea will make new empty directories in /mnt/vol1, all are stored in the root filesystem.
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// The correct behavior should be: creating parent directories is end users' duty. We only create sub-directories in existing parent directories.
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// For quickstart, the parent directories should be created automatically for first startup (eg: a flag or a check of INSTALL_LOCK).
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// Now we can take the first step to do correctly (using Mkdir) in other packages, and prepare the AppDataPath here, then make a refactor in future.
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st, err := os.Stat(AppDataPath)
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if os.IsNotExist(err) {
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err = os.MkdirAll(AppDataPath, os.ModePerm)
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if err != nil {
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return fmt.Errorf("unable to create the APP_DATA_PATH directory: %q, Error: %v", AppDataPath, err)
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}
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return nil
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}
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if err != nil {
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return fmt.Errorf("unable to use APP_DATA_PATH %q. Error: %v", AppDataPath, err)
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}
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if !st.IsDir() /* also works for symlink */ {
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return fmt.Errorf("the APP_DATA_PATH %q is not a directory (or symlink to a directory) and can't be used", AppDataPath)
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}
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return nil
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}
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// Copyright 2021 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package setting
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// defaultI18nLangNames must be a slice, we need the order
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var defaultI18nLangNames = []string{
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"en-US", "English",
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"zh-CN", "简体中文",
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"zh-HK", "繁體中文(香港)",
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"zh-TW", "繁體中文(台灣)",
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"de-DE", "Deutsch",
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"fr-FR", "français",
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"nl-NL", "Nederlands",
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"lv-LV", "latviešu",
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"ru-RU", "русский",
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"uk-UA", "Українська",
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"ja-JP", "日本語",
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"es-ES", "español",
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"pt-BR", "português do Brasil",
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"pt-PT", "Português de Portugal",
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"pl-PL", "polski",
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"bg-BG", "български",
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"it-IT", "italiano",
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"fi-FI", "suomi",
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"tr-TR", "Türkçe",
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"cs-CZ", "čeština",
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"sr-SP", "српски",
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"sv-SE", "svenska",
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"ko-KR", "한국어",
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"el-GR", "ελληνικά",
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"fa-IR", "فارسی",
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"hu-HU", "magyar nyelv",
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"id-ID", "bahasa Indonesia",
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"ml-IN", "മലയാളം",
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}
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func defaultI18nLangs() (res []string) {
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for i := 0; i < len(defaultI18nLangNames); i += 2 {
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res = append(res, defaultI18nLangNames[i])
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}
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return
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}
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func defaultI18nNames() (res []string) {
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for i := 0; i < len(defaultI18nLangNames); i += 2 {
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res = append(res, defaultI18nLangNames[i+1])
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}
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return
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}
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