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forgejo/integrations/migration-test/migration_test.go
zeripath 1b9d5074a7
Add command to recreate tables (#12407)
Provides new command: `gitea doctor recreate-table` which will recreate
db tables and copy the old data in to the new table.

This function can be used to remove the old warning of struct defaults being
out of date.

Fix #8868
Fix #3265
Fix #8894

Signed-off-by: Andrew Thornton <art27@cantab.net>
2020-09-06 22:52:01 +01:00

306 lines
8.8 KiB
Go

// 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/setting"
"code.gitea.io/gitea/modules/util"
"github.com/stretchr/testify/assert"
"github.com/unknwon/com"
"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, com.CopyDir(path.Join(filepath.Dir(setting.AppPath), "integrations/gitea-repositories-meta"), setting.RepoRootPath))
setting.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, 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
}
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.SetEngine()
assert.NoError(t, err)
err = models.NewEngine(context.Background(), wrappedMigrate)
assert.NoError(t, err)
currentEngine.Close()
err = models.SetEngine()
assert.NoError(t, err)
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.SetEngine()
assert.NoError(t, err)
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)
})
}
}