gitea/models/repo_mirror.go

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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"
"time"
"code.gitea.io/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/process"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/sync"
"code.gitea.io/gitea/modules/util"
"github.com/Unknwon/com"
"github.com/go-xorm/xorm"
"gopkg.in/ini.v1"
)
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// 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 {
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ID int64 `xorm:"pk autoincr"`
RepoID int64 `xorm:"INDEX"`
Repo *Repository `xorm:"-"`
Interval time.Duration
EnablePrune bool `xorm:"NOT NULL DEFAULT true"`
UpdatedUnix util.TimeStamp `xorm:"INDEX"`
NextUpdateUnix util.TimeStamp `xorm:"INDEX"`
address string `xorm:"-"`
}
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// BeforeInsert will be invoked by XORM before inserting a record
func (m *Mirror) BeforeInsert() {
if m != nil {
m.UpdatedUnix = util.TimeStampNow()
m.NextUpdateUnix = util.TimeStampNow()
}
}
// AfterLoad is invoked from XORM after setting the values of all fields of this object.
func (m *Mirror) AfterLoad(session *xorm.Session) {
if m == nil {
return
}
var err error
m.Repo, err = getRepositoryByID(session, m.RepoID)
if err != nil {
log.Error(3, "getRepositoryByID[%d]: %v", m.ID, err)
}
}
// ScheduleNextUpdate calculates and sets next update time.
func (m *Mirror) ScheduleNextUpdate() {
m.NextUpdateUnix = util.TimeStampNow().AddDuration(m.Interval)
}
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func remoteAddress(repoPath string) (string, error) {
cfg, err := ini.Load(GitConfigPath(repoPath))
if err != nil {
return "", err
}
return cfg.Section("remote \"origin\"").Key("url").Value(), nil
}
func (m *Mirror) readAddress() {
if len(m.address) > 0 {
return
}
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var err error
m.address, err = remoteAddress(m.Repo.RepoPath())
if err != nil {
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log.Error(4, "remoteAddress: %v", err)
}
}
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// sanitizeOutput sanitizes output of a command, replacing occurrences of the
// repository's remote address with a sanitized version.
func sanitizeOutput(output, repoPath string) (string, error) {
remoteAddr, err := remoteAddress(repoPath)
if err != nil {
// if we're unable to load the remote address, then we're unable to
// sanitize.
return "", err
}
return util.SanitizeMessage(output, remoteAddr), nil
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}
// Address returns mirror address from Git repository config without credentials.
func (m *Mirror) Address() string {
m.readAddress()
return util.SanitizeURLCredentials(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.GetManager().ExecDir(
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timeout, repoPath, fmt.Sprintf("Mirror.runSync: %s", repoPath),
"git", gitArgs...); err != nil {
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// sanitize the output, since it may contain the remote address, which may
// contain a password
message, err := sanitizeOutput(stderr, repoPath)
if err != nil {
log.Error(4, "sanitizeOutput: %v", err)
return false
}
desc := fmt.Sprintf("Failed to update mirror repository '%s': %s", repoPath, message)
log.Error(4, desc)
if err = CreateRepositoryNotice(desc); err != nil {
log.Error(4, "CreateRepositoryNotice: %v", err)
}
return false
}
gitRepo, err := git.OpenRepository(repoPath)
if err != nil {
log.Error(4, "OpenRepository: %v", err)
return false
}
if err = SyncReleasesWithTags(m.Repo, gitRepo); err != nil {
log.Error(4, "Failed to synchronize tags to releases for repository: %v", err)
}
if err := m.Repo.UpdateSize(); err != nil {
log.Error(4, "Failed to update size for mirror repository: %v", err)
}
if m.Repo.HasWiki() {
if _, stderr, err := process.GetManager().ExecDir(
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timeout, wikiPath, fmt.Sprintf("Mirror.runSync: %s", wikiPath),
"git", "remote", "update", "--prune"); err != nil {
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// sanitize the output, since it may contain the remote address, which may
// contain a password
message, err := sanitizeOutput(stderr, wikiPath)
if err != nil {
log.Error(4, "sanitizeOutput: %v", err)
return false
}
desc := fmt.Sprintf("Failed to update mirror wiki repository '%s': %s", wikiPath, message)
log.Error(4, desc)
if err = CreateRepositoryNotice(desc); err != nil {
log.Error(4, "CreateRepositoryNotice: %v", err)
}
return false
}
}
m.UpdatedUnix = util.TimeStampNow()
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
}
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// UpdateMirror updates the mirror
func UpdateMirror(m *Mirror) error {
return updateMirror(x, m)
}
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// 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.StartIfNotRunning(mirrorUpdate) {
return
}
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defer taskStatusTable.Stop(mirrorUpdate)
log.Trace("Doing: MirrorUpdate")
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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
}
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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 {
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log.Error(4, "GetMirrorByRepoID [%s]: %v", repoID, err)
continue
}
if !m.runSync() {
continue
}
m.ScheduleNextUpdate()
if err = UpdateMirror(m); err != nil {
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log.Error(4, "UpdateMirror [%s]: %v", repoID, err)
continue
}
}
}
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// InitSyncMirrors initializes a go routine to sync the mirrors
func InitSyncMirrors() {
go SyncMirrors()
}