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// 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"
"github.com/go-gitea/gitea/modules/log"
"github.com/go-gitea/gitea/modules/process"
"github.com/go-gitea/gitea/modules/setting"
"github.com/go-gitea/gitea/modules/sync"
)
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:"-"`
}
func (m *Mirror) BeforeInsert() {
m.UpdatedUnix = time.Now().Unix()
m.NextUpdateUnix = m.NextUpdate.Unix()
}
func (m *Mirror) BeforeUpdate() {
m.UpdatedUnix = time.Now().Unix()
m.NextUpdateUnix = m.NextUpdate.Unix()
}
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
}
func UpdateMirror(m *Mirror) error {
return updateMirror(x, m)
}
func DeleteMirrorByRepoID(repoID int64) error {
_, err := x.Delete(&Mirror{RepoID: repoID})
return err
}
// MirrorUpdate checks and updates mirror repositories.
func MirrorUpdate() {
if taskStatusTable.IsRunning(_MIRROR_UPDATE) {
return
}
taskStatusTable.Start(_MIRROR_UPDATE)
defer taskStatusTable.Stop(_MIRROR_UPDATE)
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
}
}
}
func InitSyncMirrors() {
go SyncMirrors()
}
|
