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// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package migrations
import (
"compress/gzip"
"context"
"database/sql"
"fmt"
"io/ioutil"
"os"
"path"
"path/filepath"
"regexp"
"sort"
"strings"
"testing"
"code.gitea.io/gitea/integrations"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/models/migrations"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/charset"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
"github.com/stretchr/testify/assert"
"xorm.io/xorm"
)
var currentEngine *xorm.Engine
func initMigrationTest(t *testing.T) func() {
deferFn := integrations.PrintCurrentTest(t, 2)
giteaRoot := base.SetupGiteaRoot()
if giteaRoot == "" {
integrations.Printf("Environment variable $GITEA_ROOT not set\n")
os.Exit(1)
}
setting.AppPath = path.Join(giteaRoot, "gitea")
if _, err := os.Stat(setting.AppPath); err != nil {
integrations.Printf("Could not find gitea binary at %s\n", setting.AppPath)
os.Exit(1)
}
giteaConf := os.Getenv("GITEA_CONF")
if giteaConf == "" {
integrations.Printf("Environment variable $GITEA_CONF not set\n")
os.Exit(1)
} else if !path.IsAbs(giteaConf) {
setting.CustomConf = path.Join(giteaRoot, giteaConf)
} else {
setting.CustomConf = giteaConf
}
setting.NewContext()
assert.True(t, len(setting.RepoRootPath) != 0)
assert.NoError(t, util.RemoveAll(setting.RepoRootPath))
assert.NoError(t, util.CopyDir(path.Join(filepath.Dir(setting.AppPath), "integrations/gitea-repositories-meta"), setting.RepoRootPath))
git.CheckLFSVersion()
setting.InitDBConfig()
setting.NewLogServices(true)
return deferFn
}
func availableVersions() ([]string, error) {
migrationsDir, err := os.Open("integrations/migration-test")
if err != nil {
return nil, err
}
defer migrationsDir.Close()
versionRE, err := regexp.Compile("gitea-v(?P<version>.+)\\." + regexp.QuoteMeta(setting.Database.Type) + "\\.sql.gz")
if err != nil {
return nil, err
}
filenames, err := migrationsDir.Readdirnames(-1)
if err != nil {
return nil, err
}
versions := []string{}
for _, filename := range filenames {
if versionRE.MatchString(filename) {
substrings := versionRE.FindStringSubmatch(filename)
versions = append(versions, substrings[1])
}
}
sort.Strings(versions)
return versions, nil
}
func readSQLFromFile(version string) (string, error) {
filename := fmt.Sprintf("integrations/migration-test/gitea-v%s.%s.sql.gz", version, setting.Database.Type)
if _, err := os.Stat(filename); os.IsNotExist(err) {
return "", nil
}
file, err := os.Open(filename)
if err != nil {
return "", err
}
defer file.Close()
gr, err := gzip.NewReader(file)
if err != nil {
return "", err
}
defer gr.Close()
bytes, err := ioutil.ReadAll(gr)
if err != nil {
return "", err
}
return string(charset.RemoveBOMIfPresent(bytes)), nil
}
func restoreOldDB(t *testing.T, version string) bool {
data, err := readSQLFromFile(version)
assert.NoError(t, err)
if len(data) == 0 {
integrations.Printf("No db found to restore for %s version: %s\n", setting.Database.Type, version)
return false
}
switch {
case setting.Database.UseSQLite3:
util.Remove(setting.Database.Path)
err := os.MkdirAll(path.Dir(setting.Database.Path), os.ModePerm)
assert.NoError(t, err)
db, err := sql.Open("sqlite3", fmt.Sprintf("file:%s?cache=shared&mode=rwc&_busy_timeout=%d&_txlock=immediate", setting.Database.Path, setting.Database.Timeout))
assert.NoError(t, err)
defer db.Close()
_, err = db.Exec(data)
assert.NoError(t, err)
db.Close()
case setting.Database.UseMySQL:
db, err := sql.Open("mysql", fmt.Sprintf("%s:%s@tcp(%s)/",
setting.Database.User, setting.Database.Passwd, setting.Database.Host))
assert.NoError(t, err)
defer db.Close()
_, err = db.Exec(fmt.Sprintf("DROP DATABASE IF EXISTS %s", setting.Database.Name))
assert.NoError(t, err)
_, err = db.Exec(fmt.Sprintf("CREATE DATABASE IF NOT EXISTS %s", setting.Database.Name))
assert.NoError(t, err)
db.Close()
db, err = sql.Open("mysql", fmt.Sprintf("%s:%s@tcp(%s)/%s?multiStatements=true",
setting.Database.User, setting.Database.Passwd, setting.Database.Host, setting.Database.Name))
assert.NoError(t, err)
defer db.Close()
_, err = db.Exec(data)
assert.NoError(t, err)
db.Close()
case setting.Database.UsePostgreSQL:
db, err := sql.Open("postgres", fmt.Sprintf("postgres://%s:%s@%s/?sslmode=%s",
setting.Database.User, setting.Database.Passwd, setting.Database.Host, setting.Database.SSLMode))
assert.NoError(t, err)
defer db.Close()
_, err = db.Exec(fmt.Sprintf("DROP DATABASE IF EXISTS %s", setting.Database.Name))
assert.NoError(t, err)
_, err = db.Exec(fmt.Sprintf("CREATE DATABASE %s", setting.Database.Name))
assert.NoError(t, err)
db.Close()
// Check if we need to setup a specific schema
if len(setting.Database.Schema) != 0 {
db, err = sql.Open("postgres", fmt.Sprintf("postgres://%s:%s@%s/%s?sslmode=%s",
setting.Database.User, setting.Database.Passwd, setting.Database.Host, setting.Database.Name, setting.Database.SSLMode))
if !assert.NoError(t, err) {
return false
}
defer db.Close()
schrows, err := db.Query(fmt.Sprintf("SELECT 1 FROM information_schema.schemata WHERE schema_name = '%s'", setting.Database.Schema))
if !assert.NoError(t, err) || !assert.NotEmpty(t, schrows) {
return false
}
if !schrows.Next() {
// Create and setup a DB schema
_, err = db.Exec(fmt.Sprintf("CREATE SCHEMA %s", setting.Database.Schema))
assert.NoError(t, err)
}
schrows.Close()
// Make the user's default search path the created schema; this will affect new connections
_, err = db.Exec(fmt.Sprintf(`ALTER USER "%s" SET search_path = %s`, setting.Database.User, setting.Database.Schema))
assert.NoError(t, err)
db.Close()
}
db, err = sql.Open("postgres", fmt.Sprintf("postgres://%s:%s@%s/%s?sslmode=%s",
setting.Database.User, setting.Database.Passwd, setting.Database.Host, setting.Database.Name, setting.Database.SSLMode))
assert.NoError(t, err)
defer db.Close()
_, err = db.Exec(data)
assert.NoError(t, err)
db.Close()
case setting.Database.UseMSSQL:
host, port := setting.ParseMSSQLHostPort(setting.Database.Host)
db, err := sql.Open("mssql", fmt.Sprintf("server=%s; port=%s; database=%s; user id=%s; password=%s;",
host, port, "master", setting.Database.User, setting.Database.Passwd))
assert.NoError(t, err)
defer db.Close()
_, err = db.Exec("DROP DATABASE IF EXISTS [gitea]")
assert.NoError(t, err)
statements := strings.Split(data, "\nGO\n")
for _, statement := range statements {
if len(statement) > 5 && statement[:5] == "USE [" {
dbname := statement[5 : len(statement)-1]
db.Close()
db, err = sql.Open("mssql", fmt.Sprintf("server=%s; port=%s; database=%s; user id=%s; password=%s;",
host, port, dbname, setting.Database.User, setting.Database.Passwd))
assert.NoError(t, err)
defer db.Close()
}
_, err = db.Exec(statement)
assert.NoError(t, err, "Failure whilst running: %s\nError: %v", statement, err)
}
db.Close()
}
return true
}
func wrappedMigrate(x *xorm.Engine) error {
currentEngine = x
return migrations.Migrate(x)
}
func doMigrationTest(t *testing.T, version string) {
defer integrations.PrintCurrentTest(t)()
integrations.Printf("Performing migration test for %s version: %s\n", setting.Database.Type, version)
if !restoreOldDB(t, version) {
return
}
setting.NewXORMLogService(false)
err := models.NewEngine(context.Background(), wrappedMigrate)
assert.NoError(t, err)
currentEngine.Close()
beans, _ := models.NamesToBean()
err = models.NewEngine(context.Background(), func(x *xorm.Engine) error {
currentEngine = x
return migrations.RecreateTables(beans...)(x)
})
assert.NoError(t, err)
currentEngine.Close()
// We do this a second time to ensure that there is not a problem with retained indices
err = models.NewEngine(context.Background(), func(x *xorm.Engine) error {
currentEngine = x
return migrations.RecreateTables(beans...)(x)
})
assert.NoError(t, err)
currentEngine.Close()
}
func TestMigrations(t *testing.T) {
defer initMigrationTest(t)()
dialect := setting.Database.Type
versions, err := availableVersions()
assert.NoError(t, err)
if len(versions) == 0 {
integrations.Printf("No old database versions available to migration test for %s\n", dialect)
return
}
integrations.Printf("Preparing to test %d migrations for %s\n", len(versions), dialect)
for _, version := range versions {
t.Run(fmt.Sprintf("Migrate-%s-%s", dialect, version), func(t *testing.T) {
doMigrationTest(t, version)
})
}
}
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