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