1
0
mirror of https://github.com/go-gitea/gitea.git synced 2024-12-31 04:48:53 +08:00
gitea/models/models.go
Lunny Xiao 337d6915ff Detect migrating batch size ()
* Make migrating batch size as configurable

* detect different table batch insert size and remove config item

* remove unrelated changes
2019-07-06 15:24:50 -04:00

377 lines
10 KiB
Go

// Copyright 2014 The Gogs Authors. All rights reserved.
// Copyright 2018 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 models
import (
"database/sql"
"errors"
"fmt"
"net/url"
"os"
"path"
"path/filepath"
"strings"
"time"
"code.gitea.io/gitea/modules/setting"
// Needed for the MySQL driver
_ "github.com/go-sql-driver/mysql"
"github.com/go-xorm/xorm"
"xorm.io/core"
// Needed for the Postgresql driver
_ "github.com/lib/pq"
// Needed for the MSSSQL driver
_ "github.com/denisenkom/go-mssqldb"
)
// Engine represents a xorm engine or session.
type Engine interface {
Table(tableNameOrBean interface{}) *xorm.Session
Count(...interface{}) (int64, error)
Decr(column string, arg ...interface{}) *xorm.Session
Delete(interface{}) (int64, error)
Exec(...interface{}) (sql.Result, error)
Find(interface{}, ...interface{}) error
Get(interface{}) (bool, error)
ID(interface{}) *xorm.Session
In(string, ...interface{}) *xorm.Session
Incr(column string, arg ...interface{}) *xorm.Session
Insert(...interface{}) (int64, error)
InsertOne(interface{}) (int64, error)
Iterate(interface{}, xorm.IterFunc) error
Join(joinOperator string, tablename interface{}, condition string, args ...interface{}) *xorm.Session
SQL(interface{}, ...interface{}) *xorm.Session
Where(interface{}, ...interface{}) *xorm.Session
Asc(colNames ...string) *xorm.Session
}
var (
x *xorm.Engine
supportedDatabases = []string{"mysql", "postgres", "mssql"}
tables []interface{}
// HasEngine specifies if we have a xorm.Engine
HasEngine bool
// DbCfg holds the database settings
DbCfg struct {
Type, Host, Name, User, Passwd, Path, SSLMode, Charset string
Timeout int
}
// EnableSQLite3 use SQLite3
EnableSQLite3 bool
// EnableTiDB enable TiDB
EnableTiDB bool
)
func init() {
tables = append(tables,
new(User),
new(PublicKey),
new(AccessToken),
new(Repository),
new(DeployKey),
new(Collaboration),
new(Access),
new(Upload),
new(Watch),
new(Star),
new(Follow),
new(Action),
new(Issue),
new(PullRequest),
new(Comment),
new(Attachment),
new(Label),
new(IssueLabel),
new(Milestone),
new(Mirror),
new(Release),
new(LoginSource),
new(Webhook),
new(HookTask),
new(Team),
new(OrgUser),
new(TeamUser),
new(TeamRepo),
new(Notice),
new(EmailAddress),
new(Notification),
new(IssueUser),
new(LFSMetaObject),
new(TwoFactor),
new(GPGKey),
new(GPGKeyImport),
new(RepoUnit),
new(RepoRedirect),
new(ExternalLoginUser),
new(ProtectedBranch),
new(UserOpenID),
new(IssueWatch),
new(CommitStatus),
new(Stopwatch),
new(TrackedTime),
new(DeletedBranch),
new(RepoIndexerStatus),
new(IssueDependency),
new(LFSLock),
new(Reaction),
new(IssueAssignees),
new(U2FRegistration),
new(TeamUnit),
new(Review),
new(OAuth2Application),
new(OAuth2AuthorizationCode),
new(OAuth2Grant),
)
gonicNames := []string{"SSL", "UID"}
for _, name := range gonicNames {
core.LintGonicMapper[name] = true
}
}
// LoadConfigs loads the database settings
func LoadConfigs() {
sec := setting.Cfg.Section("database")
DbCfg.Type = sec.Key("DB_TYPE").String()
switch DbCfg.Type {
case "sqlite3":
setting.UseSQLite3 = true
case "mysql":
setting.UseMySQL = true
case "postgres":
setting.UsePostgreSQL = true
case "tidb":
setting.UseTiDB = true
case "mssql":
setting.UseMSSQL = true
}
DbCfg.Host = sec.Key("HOST").String()
DbCfg.Name = sec.Key("NAME").String()
DbCfg.User = sec.Key("USER").String()
if len(DbCfg.Passwd) == 0 {
DbCfg.Passwd = sec.Key("PASSWD").String()
}
DbCfg.SSLMode = sec.Key("SSL_MODE").MustString("disable")
DbCfg.Charset = sec.Key("CHARSET").In("utf8", []string{"utf8", "utf8mb4"})
DbCfg.Path = sec.Key("PATH").MustString(filepath.Join(setting.AppDataPath, "gitea.db"))
DbCfg.Timeout = sec.Key("SQLITE_TIMEOUT").MustInt(500)
}
// parsePostgreSQLHostPort parses given input in various forms defined in
// https://www.postgresql.org/docs/current/static/libpq-connect.html#LIBPQ-CONNSTRING
// and returns proper host and port number.
func parsePostgreSQLHostPort(info string) (string, string) {
host, port := "127.0.0.1", "5432"
if strings.Contains(info, ":") && !strings.HasSuffix(info, "]") {
idx := strings.LastIndex(info, ":")
host = info[:idx]
port = info[idx+1:]
} else if len(info) > 0 {
host = info
}
return host, port
}
func getPostgreSQLConnectionString(dbHost, dbUser, dbPasswd, dbName, dbParam, dbsslMode string) (connStr string) {
host, port := parsePostgreSQLHostPort(dbHost)
if host[0] == '/' { // looks like a unix socket
connStr = fmt.Sprintf("postgres://%s:%s@:%s/%s%ssslmode=%s&host=%s",
url.PathEscape(dbUser), url.PathEscape(dbPasswd), port, dbName, dbParam, dbsslMode, host)
} else {
connStr = fmt.Sprintf("postgres://%s:%s@%s:%s/%s%ssslmode=%s",
url.PathEscape(dbUser), url.PathEscape(dbPasswd), host, port, dbName, dbParam, dbsslMode)
}
return
}
// ParseMSSQLHostPort splits the host into host and port
func ParseMSSQLHostPort(info string) (string, string) {
host, port := "127.0.0.1", "1433"
if strings.Contains(info, ":") {
host = strings.Split(info, ":")[0]
port = strings.Split(info, ":")[1]
} else if strings.Contains(info, ",") {
host = strings.Split(info, ",")[0]
port = strings.TrimSpace(strings.Split(info, ",")[1])
} else if len(info) > 0 {
host = info
}
return host, port
}
func getEngine() (*xorm.Engine, error) {
connStr := ""
var Param = "?"
if strings.Contains(DbCfg.Name, Param) {
Param = "&"
}
switch DbCfg.Type {
case "mysql":
connType := "tcp"
if DbCfg.Host[0] == '/' { // looks like a unix socket
connType = "unix"
}
tls := DbCfg.SSLMode
if tls == "disable" { // allow (Postgres-inspired) default value to work in MySQL
tls = "false"
}
connStr = fmt.Sprintf("%s:%s@%s(%s)/%s%scharset=%s&parseTime=true&tls=%s",
DbCfg.User, DbCfg.Passwd, connType, DbCfg.Host, DbCfg.Name, Param, DbCfg.Charset, tls)
case "postgres":
connStr = getPostgreSQLConnectionString(DbCfg.Host, DbCfg.User, DbCfg.Passwd, DbCfg.Name, Param, DbCfg.SSLMode)
case "mssql":
host, port := ParseMSSQLHostPort(DbCfg.Host)
connStr = fmt.Sprintf("server=%s; port=%s; database=%s; user id=%s; password=%s;", host, port, DbCfg.Name, DbCfg.User, DbCfg.Passwd)
case "sqlite3":
if !EnableSQLite3 {
return nil, errors.New("this binary version does not build support for SQLite3")
}
if err := os.MkdirAll(path.Dir(DbCfg.Path), os.ModePerm); err != nil {
return nil, fmt.Errorf("Failed to create directories: %v", err)
}
connStr = fmt.Sprintf("file:%s?cache=shared&mode=rwc&_busy_timeout=%d", DbCfg.Path, DbCfg.Timeout)
case "tidb":
if !EnableTiDB {
return nil, errors.New("this binary version does not build support for TiDB")
}
if err := os.MkdirAll(path.Dir(DbCfg.Path), os.ModePerm); err != nil {
return nil, fmt.Errorf("Failed to create directories: %v", err)
}
connStr = "goleveldb://" + DbCfg.Path
default:
return nil, fmt.Errorf("Unknown database type: %s", DbCfg.Type)
}
return xorm.NewEngine(DbCfg.Type, connStr)
}
// NewTestEngine sets a new test xorm.Engine
func NewTestEngine(x *xorm.Engine) (err error) {
x, err = getEngine()
if err != nil {
return fmt.Errorf("Connect to database: %v", err)
}
x.SetMapper(core.GonicMapper{})
x.SetLogger(NewXORMLogger(!setting.ProdMode))
x.ShowSQL(!setting.ProdMode)
return x.StoreEngine("InnoDB").Sync2(tables...)
}
// SetEngine sets the xorm.Engine
func SetEngine() (err error) {
x, err = getEngine()
if err != nil {
return fmt.Errorf("Failed to connect to database: %v", err)
}
x.SetMapper(core.GonicMapper{})
// WARNING: for serv command, MUST remove the output to os.stdout,
// so use log file to instead print to stdout.
x.SetLogger(NewXORMLogger(setting.LogSQL))
x.ShowSQL(setting.LogSQL)
if DbCfg.Type == "mysql" {
x.SetMaxIdleConns(0)
x.SetConnMaxLifetime(3 * time.Second)
}
return nil
}
// NewEngine initializes a new xorm.Engine
func NewEngine(migrateFunc func(*xorm.Engine) error) (err error) {
if err = SetEngine(); err != nil {
return err
}
if err = x.Ping(); err != nil {
return err
}
if err = migrateFunc(x); err != nil {
return fmt.Errorf("migrate: %v", err)
}
if err = x.StoreEngine("InnoDB").Sync2(tables...); err != nil {
return fmt.Errorf("sync database struct error: %v", err)
}
return nil
}
// Statistic contains the database statistics
type Statistic struct {
Counter struct {
User, Org, PublicKey,
Repo, Watch, Star, Action, Access,
Issue, Comment, Oauth, Follow,
Mirror, Release, LoginSource, Webhook,
Milestone, Label, HookTask,
Team, UpdateTask, Attachment int64
}
}
// GetStatistic returns the database statistics
func GetStatistic() (stats Statistic) {
stats.Counter.User = CountUsers()
stats.Counter.Org = CountOrganizations()
stats.Counter.PublicKey, _ = x.Count(new(PublicKey))
stats.Counter.Repo = CountRepositories(true)
stats.Counter.Watch, _ = x.Count(new(Watch))
stats.Counter.Star, _ = x.Count(new(Star))
stats.Counter.Action, _ = x.Count(new(Action))
stats.Counter.Access, _ = x.Count(new(Access))
stats.Counter.Issue, _ = x.Count(new(Issue))
stats.Counter.Comment, _ = x.Count(new(Comment))
stats.Counter.Oauth = 0
stats.Counter.Follow, _ = x.Count(new(Follow))
stats.Counter.Mirror, _ = x.Count(new(Mirror))
stats.Counter.Release, _ = x.Count(new(Release))
stats.Counter.LoginSource = CountLoginSources()
stats.Counter.Webhook, _ = x.Count(new(Webhook))
stats.Counter.Milestone, _ = x.Count(new(Milestone))
stats.Counter.Label, _ = x.Count(new(Label))
stats.Counter.HookTask, _ = x.Count(new(HookTask))
stats.Counter.Team, _ = x.Count(new(Team))
stats.Counter.Attachment, _ = x.Count(new(Attachment))
return
}
// Ping tests if database is alive
func Ping() error {
if x != nil {
return x.Ping()
}
return errors.New("database not configured")
}
// DumpDatabase dumps all data from database according the special database SQL syntax to file system.
func DumpDatabase(filePath string, dbType string) error {
var tbs []*core.Table
for _, t := range tables {
t := x.TableInfo(t)
t.Table.Name = t.Name
tbs = append(tbs, t.Table)
}
if len(dbType) > 0 {
return x.DumpTablesToFile(tbs, filePath, core.DbType(dbType))
}
return x.DumpTablesToFile(tbs, filePath)
}
// MaxBatchInsertSize returns the table's max batch insert size
func MaxBatchInsertSize(bean interface{}) int {
t := x.TableInfo(bean)
return 999 / len(t.ColumnsSeq())
}