// Copyright 2016 The Gogs 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 ( "fmt" "strings" "time" "github.com/Unknwon/com" "github.com/go-xorm/xorm" "gopkg.in/ini.v1" "code.gitea.io/gitea/modules/log" "code.gitea.io/gitea/modules/process" "code.gitea.io/gitea/modules/setting" "code.gitea.io/gitea/modules/sync" ) // MirrorQueue holds an UniqueQueue object of the mirror var MirrorQueue = sync.NewUniqueQueue(setting.Repository.MirrorQueueLength) // Mirror represents mirror information of a repository. type Mirror struct { ID int64 `xorm:"pk autoincr"` RepoID int64 Repo *Repository `xorm:"-"` Interval int // Hour. EnablePrune bool `xorm:"NOT NULL DEFAULT true"` Updated time.Time `xorm:"-"` UpdatedUnix int64 NextUpdate time.Time `xorm:"-"` NextUpdateUnix int64 address string `xorm:"-"` } // BeforeInsert will be invoked by XORM before inserting a record func (m *Mirror) BeforeInsert() { m.UpdatedUnix = time.Now().Unix() m.NextUpdateUnix = m.NextUpdate.Unix() } // BeforeUpdate is invoked from XORM before updating this object. func (m *Mirror) BeforeUpdate() { m.UpdatedUnix = time.Now().Unix() m.NextUpdateUnix = m.NextUpdate.Unix() } // AfterSet is invoked from XORM after setting the value of a field of this object. func (m *Mirror) AfterSet(colName string, _ xorm.Cell) { var err error switch colName { case "repo_id": m.Repo, err = GetRepositoryByID(m.RepoID) if err != nil { log.Error(3, "GetRepositoryByID[%d]: %v", m.ID, err) } case "updated_unix": m.Updated = time.Unix(m.UpdatedUnix, 0).Local() case "next_updated_unix": m.NextUpdate = time.Unix(m.NextUpdateUnix, 0).Local() } } // ScheduleNextUpdate calculates and sets next update time. func (m *Mirror) ScheduleNextUpdate() { m.NextUpdate = time.Now().Add(time.Duration(m.Interval) * time.Hour) } func (m *Mirror) readAddress() { if len(m.address) > 0 { return } cfg, err := ini.Load(m.Repo.GitConfigPath()) if err != nil { log.Error(4, "Load: %v", err) return } m.address = cfg.Section("remote \"origin\"").Key("url").Value() } // HandleCloneUserCredentials replaces user credentials from HTTP/HTTPS URL // with placeholder <credentials>. // It will fail for any other forms of clone addresses. func HandleCloneUserCredentials(url string, mosaics bool) string { i := strings.Index(url, "@") if i == -1 { return url } start := strings.Index(url, "://") if start == -1 { return url } if mosaics { return url[:start+3] + "<credentials>" + url[i:] } return url[:start+3] + url[i+1:] } // Address returns mirror address from Git repository config without credentials. func (m *Mirror) Address() string { m.readAddress() return HandleCloneUserCredentials(m.address, false) } // FullAddress returns mirror address from Git repository config. func (m *Mirror) FullAddress() string { m.readAddress() return m.address } // SaveAddress writes new address to Git repository config. func (m *Mirror) SaveAddress(addr string) error { configPath := m.Repo.GitConfigPath() cfg, err := ini.Load(configPath) if err != nil { return fmt.Errorf("Load: %v", err) } cfg.Section("remote \"origin\"").Key("url").SetValue(addr) return cfg.SaveToIndent(configPath, "\t") } // runSync returns true if sync finished without error. func (m *Mirror) runSync() bool { repoPath := m.Repo.RepoPath() wikiPath := m.Repo.WikiPath() timeout := time.Duration(setting.Git.Timeout.Mirror) * time.Second gitArgs := []string{"remote", "update"} if m.EnablePrune { gitArgs = append(gitArgs, "--prune") } if _, stderr, err := process.ExecDir( timeout, repoPath, fmt.Sprintf("Mirror.runSync: %s", repoPath), "git", gitArgs...); err != nil { desc := fmt.Sprintf("Fail to update mirror repository '%s': %s", repoPath, stderr) log.Error(4, desc) if err = CreateRepositoryNotice(desc); err != nil { log.Error(4, "CreateRepositoryNotice: %v", err) } return false } if m.Repo.HasWiki() { if _, stderr, err := process.ExecDir( timeout, wikiPath, fmt.Sprintf("Mirror.runSync: %s", wikiPath), "git", "remote", "update", "--prune"); err != nil { desc := fmt.Sprintf("Fail to update mirror wiki repository '%s': %s", wikiPath, stderr) log.Error(4, desc) if err = CreateRepositoryNotice(desc); err != nil { log.Error(4, "CreateRepositoryNotice: %v", err) } return false } } return true } func getMirrorByRepoID(e Engine, repoID int64) (*Mirror, error) { m := &Mirror{RepoID: repoID} has, err := e.Get(m) if err != nil { return nil, err } else if !has { return nil, ErrMirrorNotExist } return m, nil } // GetMirrorByRepoID returns mirror information of a repository. func GetMirrorByRepoID(repoID int64) (*Mirror, error) { return getMirrorByRepoID(x, repoID) } func updateMirror(e Engine, m *Mirror) error { _, err := e.Id(m.ID).AllCols().Update(m) return err } // UpdateMirror updates the mirror func UpdateMirror(m *Mirror) error { return updateMirror(x, m) } // DeleteMirrorByRepoID deletes a mirror by repoID func DeleteMirrorByRepoID(repoID int64) error { _, err := x.Delete(&Mirror{RepoID: repoID}) return err } // MirrorUpdate checks and updates mirror repositories. func MirrorUpdate() { if taskStatusTable.IsRunning(mirrorUpdate) { return } taskStatusTable.Start(mirrorUpdate) defer taskStatusTable.Stop(mirrorUpdate) log.Trace("Doing: MirrorUpdate") if err := x. Where("next_update_unix<=?", time.Now().Unix()). Iterate(new(Mirror), func(idx int, bean interface{}) error { m := bean.(*Mirror) if m.Repo == nil { log.Error(4, "Disconnected mirror repository found: %d", m.ID) return nil } MirrorQueue.Add(m.RepoID) return nil }); err != nil { log.Error(4, "MirrorUpdate: %v", err) } } // SyncMirrors checks and syncs mirrors. // TODO: sync more mirrors at same time. func SyncMirrors() { // Start listening on new sync requests. for repoID := range MirrorQueue.Queue() { log.Trace("SyncMirrors [repo_id: %v]", repoID) MirrorQueue.Remove(repoID) m, err := GetMirrorByRepoID(com.StrTo(repoID).MustInt64()) if err != nil { log.Error(4, "GetMirrorByRepoID [%d]: %v", repoID, err) continue } if !m.runSync() { continue } m.ScheduleNextUpdate() if err = UpdateMirror(m); err != nil { log.Error(4, "UpdateMirror [%d]: %v", repoID, err) continue } } } // InitSyncMirrors initializes a go routine to sync the mirros func InitSyncMirrors() { go SyncMirrors() }