324 lines
9.8 KiB
Go
324 lines
9.8 KiB
Go
// Copyright 2019 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package migrations
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import (
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"compress/gzip"
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"context"
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"database/sql"
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"fmt"
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"io"
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"os"
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"path"
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"path/filepath"
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"regexp"
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"sort"
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"strings"
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"testing"
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"code.gitea.io/gitea/models/db"
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"code.gitea.io/gitea/models/migrations"
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migrate_base "code.gitea.io/gitea/models/migrations/base"
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"code.gitea.io/gitea/models/unittest"
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"code.gitea.io/gitea/modules/base"
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"code.gitea.io/gitea/modules/charset"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/testlogger"
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"code.gitea.io/gitea/modules/util"
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"code.gitea.io/gitea/tests"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"xorm.io/xorm"
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)
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var currentEngine *xorm.Engine
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func initMigrationTest(t *testing.T) func() {
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log.RegisterEventWriter("test", testlogger.NewTestLoggerWriter)
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deferFn := tests.PrintCurrentTest(t, 2)
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giteaRoot := base.SetupGiteaRoot()
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if giteaRoot == "" {
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tests.Printf("Environment variable $GITEA_ROOT not set\n")
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os.Exit(1)
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}
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setting.AppPath = path.Join(giteaRoot, "gitea")
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if _, err := os.Stat(setting.AppPath); err != nil {
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tests.Printf("Could not find gitea binary at %s\n", setting.AppPath)
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os.Exit(1)
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}
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giteaConf := os.Getenv("GITEA_CONF")
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if giteaConf == "" {
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tests.Printf("Environment variable $GITEA_CONF not set\n")
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os.Exit(1)
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} else if !path.IsAbs(giteaConf) {
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setting.CustomConf = path.Join(giteaRoot, giteaConf)
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} else {
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setting.CustomConf = giteaConf
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}
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unittest.InitSettings()
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assert.NotEmpty(t, setting.RepoRootPath)
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require.NoError(t, util.RemoveAll(setting.RepoRootPath))
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require.NoError(t, unittest.CopyDir(path.Join(filepath.Dir(setting.AppPath), "tests/gitea-repositories-meta"), setting.RepoRootPath))
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ownerDirs, err := os.ReadDir(setting.RepoRootPath)
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if err != nil {
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require.NoError(t, err, "unable to read the new repo root: %v\n", err)
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}
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for _, ownerDir := range ownerDirs {
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if !ownerDir.Type().IsDir() {
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continue
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}
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repoDirs, err := os.ReadDir(filepath.Join(setting.RepoRootPath, ownerDir.Name()))
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if err != nil {
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require.NoError(t, err, "unable to read the new repo root: %v\n", err)
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}
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for _, repoDir := range repoDirs {
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_ = os.MkdirAll(filepath.Join(setting.RepoRootPath, ownerDir.Name(), repoDir.Name(), "objects", "pack"), 0o755)
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_ = os.MkdirAll(filepath.Join(setting.RepoRootPath, ownerDir.Name(), repoDir.Name(), "objects", "info"), 0o755)
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_ = os.MkdirAll(filepath.Join(setting.RepoRootPath, ownerDir.Name(), repoDir.Name(), "refs", "heads"), 0o755)
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_ = os.MkdirAll(filepath.Join(setting.RepoRootPath, ownerDir.Name(), repoDir.Name(), "refs", "tag"), 0o755)
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}
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}
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require.NoError(t, git.InitFull(context.Background()))
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setting.LoadDBSetting()
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setting.InitLoggersForTest()
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return deferFn
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}
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func availableVersions() ([]string, error) {
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migrationsDir, err := os.Open("tests/integration/migration-test")
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if err != nil {
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return nil, err
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}
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defer migrationsDir.Close()
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versionRE, err := regexp.Compile(".*-v(?P<version>.+)\\." + regexp.QuoteMeta(setting.Database.Type.String()) + "\\.sql.gz")
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if err != nil {
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return nil, err
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}
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filenames, err := migrationsDir.Readdirnames(-1)
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if err != nil {
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return nil, err
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}
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versions := []string{}
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for _, filename := range filenames {
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if versionRE.MatchString(filename) {
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substrings := versionRE.FindStringSubmatch(filename)
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versions = append(versions, substrings[1])
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}
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}
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sort.Strings(versions)
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return versions, nil
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}
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func readSQLFromFile(version string) (string, error) {
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filename := fmt.Sprintf("tests/integration/migration-test/gitea-v%s.%s.sql.gz", version, setting.Database.Type)
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if _, err := os.Stat(filename); os.IsNotExist(err) {
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filename = fmt.Sprintf("tests/integration/migration-test/forgejo-v%s.%s.sql.gz", version, setting.Database.Type)
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if _, err := os.Stat(filename); os.IsNotExist(err) {
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return "", nil
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}
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}
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file, err := os.Open(filename)
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if err != nil {
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return "", err
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}
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defer file.Close()
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gr, err := gzip.NewReader(file)
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if err != nil {
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return "", err
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}
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defer gr.Close()
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bytes, err := io.ReadAll(gr)
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if err != nil {
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return "", err
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}
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return string(charset.MaybeRemoveBOM(bytes, charset.ConvertOpts{})), nil
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}
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func restoreOldDB(t *testing.T, version string) bool {
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data, err := readSQLFromFile(version)
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require.NoError(t, err)
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if len(data) == 0 {
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tests.Printf("No db found to restore for %s version: %s\n", setting.Database.Type, version)
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return false
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}
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switch {
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case setting.Database.Type.IsSQLite3():
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util.Remove(setting.Database.Path)
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err := os.MkdirAll(path.Dir(setting.Database.Path), os.ModePerm)
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require.NoError(t, err)
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db, err := sql.Open("sqlite3", fmt.Sprintf("file:%s?cache=shared&mode=rwc&_busy_timeout=%d&_txlock=immediate", setting.Database.Path, setting.Database.Timeout))
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require.NoError(t, err)
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defer db.Close()
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_, err = db.Exec(data)
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require.NoError(t, err)
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db.Close()
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case setting.Database.Type.IsMySQL():
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db, err := sql.Open("mysql", fmt.Sprintf("%s:%s@tcp(%s)/",
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setting.Database.User, setting.Database.Passwd, setting.Database.Host))
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require.NoError(t, err)
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defer db.Close()
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databaseName := strings.SplitN(setting.Database.Name, "?", 2)[0]
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_, err = db.Exec(fmt.Sprintf("DROP DATABASE IF EXISTS %s", databaseName))
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require.NoError(t, err)
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_, err = db.Exec(fmt.Sprintf("CREATE DATABASE IF NOT EXISTS %s", databaseName))
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require.NoError(t, err)
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db.Close()
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db, err = sql.Open("mysql", fmt.Sprintf("%s:%s@tcp(%s)/%s",
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setting.Database.User, setting.Database.Passwd, setting.Database.Host, setting.Database.Name))
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require.NoError(t, err)
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defer db.Close()
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_, err = db.Exec(data)
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require.NoError(t, err)
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db.Close()
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case setting.Database.Type.IsPostgreSQL():
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var db *sql.DB
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var err error
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if setting.Database.Host[0] == '/' {
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db, err = sql.Open("postgres", fmt.Sprintf("postgres://%s:%s@/?sslmode=%s&host=%s",
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setting.Database.User, setting.Database.Passwd, setting.Database.SSLMode, setting.Database.Host))
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require.NoError(t, err)
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} else {
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db, err = sql.Open("postgres", fmt.Sprintf("postgres://%s:%s@%s/?sslmode=%s",
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setting.Database.User, setting.Database.Passwd, setting.Database.Host, setting.Database.SSLMode))
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require.NoError(t, err)
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}
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defer db.Close()
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_, err = db.Exec(fmt.Sprintf("DROP DATABASE IF EXISTS %s", setting.Database.Name))
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require.NoError(t, err)
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_, err = db.Exec(fmt.Sprintf("CREATE DATABASE %s", setting.Database.Name))
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require.NoError(t, err)
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db.Close()
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// Check if we need to setup a specific schema
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if len(setting.Database.Schema) != 0 {
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if setting.Database.Host[0] == '/' {
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db, err = sql.Open("postgres", fmt.Sprintf("postgres://%s:%s@/%s?sslmode=%s&host=%s",
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setting.Database.User, setting.Database.Passwd, setting.Database.Name, setting.Database.SSLMode, setting.Database.Host))
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} else {
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db, err = sql.Open("postgres", fmt.Sprintf("postgres://%s:%s@%s/%s?sslmode=%s",
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setting.Database.User, setting.Database.Passwd, setting.Database.Host, setting.Database.Name, setting.Database.SSLMode))
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}
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require.NoError(t, err)
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defer db.Close()
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schrows, err := db.Query(fmt.Sprintf("SELECT 1 FROM information_schema.schemata WHERE schema_name = '%s'", setting.Database.Schema))
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require.NoError(t, err)
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if !assert.NotEmpty(t, schrows) {
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return false
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}
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if !schrows.Next() {
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// Create and setup a DB schema
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_, err = db.Exec(fmt.Sprintf("CREATE SCHEMA %s", setting.Database.Schema))
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require.NoError(t, err)
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}
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schrows.Close()
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// Make the user's default search path the created schema; this will affect new connections
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_, err = db.Exec(fmt.Sprintf(`ALTER USER "%s" SET search_path = %s`, setting.Database.User, setting.Database.Schema))
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require.NoError(t, err)
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db.Close()
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}
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if setting.Database.Host[0] == '/' {
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db, err = sql.Open("postgres", fmt.Sprintf("postgres://%s:%s@/%s?sslmode=%s&host=%s",
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setting.Database.User, setting.Database.Passwd, setting.Database.Name, setting.Database.SSLMode, setting.Database.Host))
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} else {
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db, err = sql.Open("postgres", fmt.Sprintf("postgres://%s:%s@%s/%s?sslmode=%s",
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setting.Database.User, setting.Database.Passwd, setting.Database.Host, setting.Database.Name, setting.Database.SSLMode))
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}
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require.NoError(t, err)
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defer db.Close()
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_, err = db.Exec(data)
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require.NoError(t, err)
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db.Close()
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}
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return true
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}
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func wrappedMigrate(x *xorm.Engine) error {
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currentEngine = x
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return migrations.Migrate(x)
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}
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func doMigrationTest(t *testing.T, version string) {
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defer tests.PrintCurrentTest(t)()
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tests.Printf("Performing migration test for %s version: %s\n", setting.Database.Type, version)
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if !restoreOldDB(t, version) {
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return
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}
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setting.InitSQLLoggersForCli(log.INFO)
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err := db.InitEngineWithMigration(context.Background(), wrappedMigrate)
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require.NoError(t, err)
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currentEngine.Close()
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beans, _ := db.NamesToBean()
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err = db.InitEngineWithMigration(context.Background(), func(x *xorm.Engine) error {
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currentEngine = x
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return migrate_base.RecreateTables(beans...)(x)
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})
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require.NoError(t, err)
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currentEngine.Close()
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// We do this a second time to ensure that there is not a problem with retained indices
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err = db.InitEngineWithMigration(context.Background(), func(x *xorm.Engine) error {
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currentEngine = x
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return migrate_base.RecreateTables(beans...)(x)
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})
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require.NoError(t, err)
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currentEngine.Close()
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}
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func TestMigrations(t *testing.T) {
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defer initMigrationTest(t)()
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dialect := setting.Database.Type
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versions, err := availableVersions()
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require.NoError(t, err)
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if len(versions) == 0 {
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tests.Printf("No old database versions available to migration test for %s\n", dialect)
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return
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}
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tests.Printf("Preparing to test %d migrations for %s\n", len(versions), dialect)
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for _, version := range versions {
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t.Run(fmt.Sprintf("Migrate-%s-%s", dialect, version), func(t *testing.T) {
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doMigrationTest(t, version)
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})
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}
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}
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