You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
498 lines
15 KiB
498 lines
15 KiB
// Copyright 2019 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 mirror
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"net/url"
|
|
"strings"
|
|
"time"
|
|
|
|
"code.gitea.io/gitea/models"
|
|
"code.gitea.io/gitea/modules/cache"
|
|
"code.gitea.io/gitea/modules/git"
|
|
"code.gitea.io/gitea/modules/graceful"
|
|
"code.gitea.io/gitea/modules/log"
|
|
"code.gitea.io/gitea/modules/notification"
|
|
repo_module "code.gitea.io/gitea/modules/repository"
|
|
"code.gitea.io/gitea/modules/setting"
|
|
"code.gitea.io/gitea/modules/sync"
|
|
"code.gitea.io/gitea/modules/timeutil"
|
|
"code.gitea.io/gitea/modules/util"
|
|
|
|
"github.com/unknwon/com"
|
|
)
|
|
|
|
// mirrorQueue holds an UniqueQueue object of the mirror
|
|
var mirrorQueue = sync.NewUniqueQueue(setting.Repository.MirrorQueueLength)
|
|
|
|
func readAddress(m *models.Mirror) {
|
|
if len(m.Address) > 0 {
|
|
return
|
|
}
|
|
var err error
|
|
m.Address, err = remoteAddress(m.Repo.RepoPath())
|
|
if err != nil {
|
|
log.Error("remoteAddress: %v", err)
|
|
}
|
|
}
|
|
|
|
func remoteAddress(repoPath string) (string, error) {
|
|
var cmd *git.Command
|
|
err := git.LoadGitVersion()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
if git.CheckGitVersionAtLeast("2.7") == nil {
|
|
cmd = git.NewCommand("remote", "get-url", "origin")
|
|
} else {
|
|
cmd = git.NewCommand("config", "--get", "remote.origin.url")
|
|
}
|
|
|
|
result, err := cmd.RunInDir(repoPath)
|
|
if err != nil {
|
|
if strings.HasPrefix(err.Error(), "exit status 128 - fatal: No such remote ") {
|
|
return "", nil
|
|
}
|
|
return "", err
|
|
}
|
|
if len(result) > 0 {
|
|
return result[:len(result)-1], nil
|
|
}
|
|
return "", nil
|
|
}
|
|
|
|
// 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
|
|
}
|
|
|
|
// AddressNoCredentials returns mirror address from Git repository config without credentials.
|
|
func AddressNoCredentials(m *models.Mirror) string {
|
|
readAddress(m)
|
|
u, err := url.Parse(m.Address)
|
|
if err != nil {
|
|
// this shouldn't happen but just return it unsanitised
|
|
return m.Address
|
|
}
|
|
u.User = nil
|
|
return u.String()
|
|
}
|
|
|
|
// UpdateAddress writes new address to Git repository and database
|
|
func UpdateAddress(m *models.Mirror, addr string) error {
|
|
repoPath := m.Repo.RepoPath()
|
|
// Remove old origin
|
|
_, err := git.NewCommand("remote", "rm", "origin").RunInDir(repoPath)
|
|
if err != nil && !strings.HasPrefix(err.Error(), "exit status 128 - fatal: No such remote ") {
|
|
return err
|
|
}
|
|
|
|
_, err = git.NewCommand("remote", "add", "origin", "--mirror=fetch", addr).RunInDir(repoPath)
|
|
if err != nil && !strings.HasPrefix(err.Error(), "exit status 128 - fatal: No such remote ") {
|
|
return err
|
|
}
|
|
|
|
if m.Repo.HasWiki() {
|
|
wikiPath := m.Repo.WikiPath()
|
|
wikiRemotePath := repo_module.WikiRemoteURL(addr)
|
|
// Remove old origin of wiki
|
|
_, err := git.NewCommand("remote", "rm", "origin").RunInDir(wikiPath)
|
|
if err != nil && !strings.HasPrefix(err.Error(), "exit status 128 - fatal: No such remote ") {
|
|
return err
|
|
}
|
|
|
|
_, err = git.NewCommand("remote", "add", "origin", "--mirror=fetch", wikiRemotePath).RunInDir(wikiPath)
|
|
if err != nil && !strings.HasPrefix(err.Error(), "exit status 128 - fatal: No such remote ") {
|
|
return err
|
|
}
|
|
}
|
|
|
|
m.Repo.OriginalURL = addr
|
|
return models.UpdateRepositoryCols(m.Repo, "original_url")
|
|
}
|
|
|
|
// gitShortEmptySha Git short empty SHA
|
|
const gitShortEmptySha = "0000000"
|
|
|
|
// mirrorSyncResult contains information of a updated reference.
|
|
// If the oldCommitID is "0000000", it means a new reference, the value of newCommitID is empty.
|
|
// If the newCommitID is "0000000", it means the reference is deleted, the value of oldCommitID is empty.
|
|
type mirrorSyncResult struct {
|
|
refName string
|
|
oldCommitID string
|
|
newCommitID string
|
|
}
|
|
|
|
// parseRemoteUpdateOutput detects create, update and delete operations of references from upstream.
|
|
func parseRemoteUpdateOutput(output string) []*mirrorSyncResult {
|
|
results := make([]*mirrorSyncResult, 0, 3)
|
|
lines := strings.Split(output, "\n")
|
|
for i := range lines {
|
|
// Make sure reference name is presented before continue
|
|
idx := strings.Index(lines[i], "-> ")
|
|
if idx == -1 {
|
|
continue
|
|
}
|
|
|
|
refName := lines[i][idx+3:]
|
|
|
|
switch {
|
|
case strings.HasPrefix(lines[i], " * "): // New reference
|
|
results = append(results, &mirrorSyncResult{
|
|
refName: refName,
|
|
oldCommitID: gitShortEmptySha,
|
|
})
|
|
case strings.HasPrefix(lines[i], " - "): // Delete reference
|
|
results = append(results, &mirrorSyncResult{
|
|
refName: refName,
|
|
newCommitID: gitShortEmptySha,
|
|
})
|
|
case strings.HasPrefix(lines[i], " + "): // Force update
|
|
if idx := strings.Index(refName, " "); idx > -1 {
|
|
refName = refName[:idx]
|
|
}
|
|
delimIdx := strings.Index(lines[i][3:], " ")
|
|
if delimIdx == -1 {
|
|
log.Error("SHA delimiter not found: %q", lines[i])
|
|
continue
|
|
}
|
|
shas := strings.Split(lines[i][3:delimIdx+3], "...")
|
|
if len(shas) != 2 {
|
|
log.Error("Expect two SHAs but not what found: %q", lines[i])
|
|
continue
|
|
}
|
|
results = append(results, &mirrorSyncResult{
|
|
refName: refName,
|
|
oldCommitID: shas[0],
|
|
newCommitID: shas[1],
|
|
})
|
|
case strings.HasPrefix(lines[i], " "): // New commits of a reference
|
|
delimIdx := strings.Index(lines[i][3:], " ")
|
|
if delimIdx == -1 {
|
|
log.Error("SHA delimiter not found: %q", lines[i])
|
|
continue
|
|
}
|
|
shas := strings.Split(lines[i][3:delimIdx+3], "..")
|
|
if len(shas) != 2 {
|
|
log.Error("Expect two SHAs but not what found: %q", lines[i])
|
|
continue
|
|
}
|
|
results = append(results, &mirrorSyncResult{
|
|
refName: refName,
|
|
oldCommitID: shas[0],
|
|
newCommitID: shas[1],
|
|
})
|
|
|
|
default:
|
|
log.Warn("parseRemoteUpdateOutput: unexpected update line %q", lines[i])
|
|
}
|
|
}
|
|
return results
|
|
}
|
|
|
|
// runSync returns true if sync finished without error.
|
|
func runSync(m *models.Mirror) ([]*mirrorSyncResult, bool) {
|
|
repoPath := m.Repo.RepoPath()
|
|
wikiPath := m.Repo.WikiPath()
|
|
timeout := time.Duration(setting.Git.Timeout.Mirror) * time.Second
|
|
|
|
log.Trace("SyncMirrors [repo: %-v]: running git remote update...", m.Repo)
|
|
gitArgs := []string{"remote", "update"}
|
|
if m.EnablePrune {
|
|
gitArgs = append(gitArgs, "--prune")
|
|
}
|
|
|
|
stdoutBuilder := strings.Builder{}
|
|
stderrBuilder := strings.Builder{}
|
|
if err := git.NewCommand(gitArgs...).
|
|
SetDescription(fmt.Sprintf("Mirror.runSync: %s", m.Repo.FullName())).
|
|
RunInDirTimeoutPipeline(timeout, repoPath, &stdoutBuilder, &stderrBuilder); err != nil {
|
|
stdout := stdoutBuilder.String()
|
|
stderr := stderrBuilder.String()
|
|
// sanitize the output, since it may contain the remote address, which may
|
|
// contain a password
|
|
stderrMessage, sanitizeErr := sanitizeOutput(stderr, repoPath)
|
|
if sanitizeErr != nil {
|
|
log.Error("sanitizeOutput failed on stderr: %v", sanitizeErr)
|
|
log.Error("Failed to update mirror repository %v:\nStdout: %s\nStderr: %s\nErr: %v", m.Repo, stdout, stderr, err)
|
|
return nil, false
|
|
}
|
|
stdoutMessage, err := sanitizeOutput(stdout, repoPath)
|
|
if err != nil {
|
|
log.Error("sanitizeOutput failed: %v", sanitizeErr)
|
|
log.Error("Failed to update mirror repository %v:\nStdout: %s\nStderr: %s\nErr: %v", m.Repo, stdout, stderrMessage, err)
|
|
return nil, false
|
|
}
|
|
|
|
log.Error("Failed to update mirror repository %v:\nStdout: %s\nStderr: %s\nErr: %v", m.Repo, stdoutMessage, stderrMessage, err)
|
|
desc := fmt.Sprintf("Failed to update mirror repository '%s': %s", repoPath, stderrMessage)
|
|
if err = models.CreateRepositoryNotice(desc); err != nil {
|
|
log.Error("CreateRepositoryNotice: %v", err)
|
|
}
|
|
return nil, false
|
|
}
|
|
output := stderrBuilder.String()
|
|
|
|
gitRepo, err := git.OpenRepository(repoPath)
|
|
if err != nil {
|
|
log.Error("OpenRepository: %v", err)
|
|
return nil, false
|
|
}
|
|
|
|
log.Trace("SyncMirrors [repo: %-v]: syncing releases with tags...", m.Repo)
|
|
if err = repo_module.SyncReleasesWithTags(m.Repo, gitRepo); err != nil {
|
|
gitRepo.Close()
|
|
log.Error("Failed to synchronize tags to releases for repository: %v", err)
|
|
}
|
|
gitRepo.Close()
|
|
|
|
log.Trace("SyncMirrors [repo: %-v]: updating size of repository", m.Repo)
|
|
if err := m.Repo.UpdateSize(models.DefaultDBContext()); err != nil {
|
|
log.Error("Failed to update size for mirror repository: %v", err)
|
|
}
|
|
|
|
if m.Repo.HasWiki() {
|
|
log.Trace("SyncMirrors [repo: %-v Wiki]: running git remote update...", m.Repo)
|
|
stderrBuilder.Reset()
|
|
stdoutBuilder.Reset()
|
|
if err := git.NewCommand("remote", "update", "--prune").
|
|
SetDescription(fmt.Sprintf("Mirror.runSync Wiki: %s ", m.Repo.FullName())).
|
|
RunInDirTimeoutPipeline(timeout, wikiPath, &stdoutBuilder, &stderrBuilder); err != nil {
|
|
stdout := stdoutBuilder.String()
|
|
stderr := stderrBuilder.String()
|
|
// sanitize the output, since it may contain the remote address, which may
|
|
// contain a password
|
|
stderrMessage, sanitizeErr := sanitizeOutput(stderr, repoPath)
|
|
if sanitizeErr != nil {
|
|
log.Error("sanitizeOutput failed on stderr: %v", sanitizeErr)
|
|
log.Error("Failed to update mirror repository wiki %v:\nStdout: %s\nStderr: %s\nErr: %v", m.Repo, stdout, stderr, err)
|
|
return nil, false
|
|
}
|
|
stdoutMessage, err := sanitizeOutput(stdout, repoPath)
|
|
if err != nil {
|
|
log.Error("sanitizeOutput failed: %v", sanitizeErr)
|
|
log.Error("Failed to update mirror repository wiki %v:\nStdout: %s\nStderr: %s\nErr: %v", m.Repo, stdout, stderrMessage, err)
|
|
return nil, false
|
|
}
|
|
|
|
log.Error("Failed to update mirror repository wiki %v:\nStdout: %s\nStderr: %s\nErr: %v", m.Repo, stdoutMessage, stderrMessage, err)
|
|
desc := fmt.Sprintf("Failed to update mirror repository wiki '%s': %s", wikiPath, stderrMessage)
|
|
if err = models.CreateRepositoryNotice(desc); err != nil {
|
|
log.Error("CreateRepositoryNotice: %v", err)
|
|
}
|
|
return nil, false
|
|
}
|
|
log.Trace("SyncMirrors [repo: %-v Wiki]: git remote update complete", m.Repo)
|
|
}
|
|
|
|
log.Trace("SyncMirrors [repo: %-v]: invalidating mirror branch caches...", m.Repo)
|
|
branches, err := repo_module.GetBranches(m.Repo)
|
|
if err != nil {
|
|
log.Error("GetBranches: %v", err)
|
|
return nil, false
|
|
}
|
|
|
|
for i := range branches {
|
|
cache.Remove(m.Repo.GetCommitsCountCacheKey(branches[i].Name, true))
|
|
}
|
|
|
|
m.UpdatedUnix = timeutil.TimeStampNow()
|
|
return parseRemoteUpdateOutput(output), true
|
|
}
|
|
|
|
// Address returns mirror address from Git repository config without credentials.
|
|
func Address(m *models.Mirror) string {
|
|
readAddress(m)
|
|
return util.SanitizeURLCredentials(m.Address, false)
|
|
}
|
|
|
|
// Username returns the mirror address username
|
|
func Username(m *models.Mirror) string {
|
|
readAddress(m)
|
|
u, err := url.Parse(m.Address)
|
|
if err != nil {
|
|
// this shouldn't happen but if it does return ""
|
|
return ""
|
|
}
|
|
return u.User.Username()
|
|
}
|
|
|
|
// Password returns the mirror address password
|
|
func Password(m *models.Mirror) string {
|
|
readAddress(m)
|
|
u, err := url.Parse(m.Address)
|
|
if err != nil {
|
|
// this shouldn't happen but if it does return ""
|
|
return ""
|
|
}
|
|
password, _ := u.User.Password()
|
|
return password
|
|
}
|
|
|
|
// Update checks and updates mirror repositories.
|
|
func Update(ctx context.Context) error {
|
|
log.Trace("Doing: Update")
|
|
if err := models.MirrorsIterate(func(idx int, bean interface{}) error {
|
|
m := bean.(*models.Mirror)
|
|
if m.Repo == nil {
|
|
log.Error("Disconnected mirror repository found: %d", m.ID)
|
|
return nil
|
|
}
|
|
select {
|
|
case <-ctx.Done():
|
|
return fmt.Errorf("Aborted")
|
|
default:
|
|
mirrorQueue.Add(m.RepoID)
|
|
return nil
|
|
}
|
|
}); err != nil {
|
|
log.Trace("Update: %v", err)
|
|
return err
|
|
}
|
|
log.Trace("Finished: Update")
|
|
return nil
|
|
}
|
|
|
|
// SyncMirrors checks and syncs mirrors.
|
|
// FIXME: graceful: this should be a persistable queue
|
|
func SyncMirrors(ctx context.Context) {
|
|
// Start listening on new sync requests.
|
|
for {
|
|
select {
|
|
case <-ctx.Done():
|
|
mirrorQueue.Close()
|
|
return
|
|
case repoID := <-mirrorQueue.Queue():
|
|
syncMirror(repoID)
|
|
}
|
|
}
|
|
}
|
|
|
|
func syncMirror(repoID string) {
|
|
log.Trace("SyncMirrors [repo_id: %v]", repoID)
|
|
defer func() {
|
|
err := recover()
|
|
if err == nil {
|
|
return
|
|
}
|
|
// There was a panic whilst syncMirrors...
|
|
log.Error("PANIC whilst syncMirrors[%s] Panic: %v\nStacktrace: %s", repoID, err, log.Stack(2))
|
|
}()
|
|
mirrorQueue.Remove(repoID)
|
|
|
|
m, err := models.GetMirrorByRepoID(com.StrTo(repoID).MustInt64())
|
|
if err != nil {
|
|
log.Error("GetMirrorByRepoID [%s]: %v", repoID, err)
|
|
return
|
|
|
|
}
|
|
|
|
log.Trace("SyncMirrors [repo: %-v]: Running Sync", m.Repo)
|
|
results, ok := runSync(m)
|
|
if !ok {
|
|
return
|
|
}
|
|
|
|
log.Trace("SyncMirrors [repo: %-v]: Scheduling next update", m.Repo)
|
|
m.ScheduleNextUpdate()
|
|
if err = models.UpdateMirror(m); err != nil {
|
|
log.Error("UpdateMirror [%s]: %v", repoID, err)
|
|
return
|
|
}
|
|
|
|
var gitRepo *git.Repository
|
|
if len(results) == 0 {
|
|
log.Trace("SyncMirrors [repo: %-v]: no branches updated", m.Repo)
|
|
} else {
|
|
log.Trace("SyncMirrors [repo: %-v]: %d branches updated", m.Repo, len(results))
|
|
gitRepo, err = git.OpenRepository(m.Repo.RepoPath())
|
|
if err != nil {
|
|
log.Error("OpenRepository [%d]: %v", m.RepoID, err)
|
|
return
|
|
}
|
|
defer gitRepo.Close()
|
|
}
|
|
|
|
for _, result := range results {
|
|
// Discard GitHub pull requests, i.e. refs/pull/*
|
|
if strings.HasPrefix(result.refName, "refs/pull/") {
|
|
continue
|
|
}
|
|
|
|
tp, _ := git.SplitRefName(result.refName)
|
|
|
|
// Create reference
|
|
if result.oldCommitID == gitShortEmptySha {
|
|
notification.NotifySyncCreateRef(m.Repo.MustOwner(), m.Repo, tp, result.refName)
|
|
continue
|
|
}
|
|
|
|
// Delete reference
|
|
if result.newCommitID == gitShortEmptySha {
|
|
notification.NotifySyncDeleteRef(m.Repo.MustOwner(), m.Repo, tp, result.refName)
|
|
continue
|
|
}
|
|
|
|
// Push commits
|
|
oldCommitID, err := git.GetFullCommitID(gitRepo.Path, result.oldCommitID)
|
|
if err != nil {
|
|
log.Error("GetFullCommitID [%d]: %v", m.RepoID, err)
|
|
continue
|
|
}
|
|
newCommitID, err := git.GetFullCommitID(gitRepo.Path, result.newCommitID)
|
|
if err != nil {
|
|
log.Error("GetFullCommitID [%d]: %v", m.RepoID, err)
|
|
continue
|
|
}
|
|
commits, err := gitRepo.CommitsBetweenIDs(newCommitID, oldCommitID)
|
|
if err != nil {
|
|
log.Error("CommitsBetweenIDs [repo_id: %d, new_commit_id: %s, old_commit_id: %s]: %v", m.RepoID, newCommitID, oldCommitID, err)
|
|
continue
|
|
}
|
|
|
|
theCommits := repo_module.ListToPushCommits(commits)
|
|
if len(theCommits.Commits) > setting.UI.FeedMaxCommitNum {
|
|
theCommits.Commits = theCommits.Commits[:setting.UI.FeedMaxCommitNum]
|
|
}
|
|
|
|
theCommits.CompareURL = m.Repo.ComposeCompareURL(oldCommitID, newCommitID)
|
|
|
|
notification.NotifySyncPushCommits(m.Repo.MustOwner(), m.Repo, result.refName, oldCommitID, newCommitID, theCommits)
|
|
}
|
|
log.Trace("SyncMirrors [repo: %-v]: done notifying updated branches/tags - now updating last commit time", m.Repo)
|
|
|
|
// Get latest commit date and update to current repository updated time
|
|
commitDate, err := git.GetLatestCommitTime(m.Repo.RepoPath())
|
|
if err != nil {
|
|
log.Error("GetLatestCommitDate [%d]: %v", m.RepoID, err)
|
|
return
|
|
}
|
|
|
|
if err = models.UpdateRepositoryUpdatedTime(m.RepoID, commitDate); err != nil {
|
|
log.Error("Update repository 'updated_unix' [%d]: %v", m.RepoID, err)
|
|
return
|
|
}
|
|
|
|
log.Trace("SyncMirrors [repo: %-v]: Successfully updated", m.Repo)
|
|
}
|
|
|
|
// InitSyncMirrors initializes a go routine to sync the mirrors
|
|
func InitSyncMirrors() {
|
|
go graceful.GetManager().RunWithShutdownContext(SyncMirrors)
|
|
}
|
|
|
|
// StartToMirror adds repoID to mirror queue
|
|
func StartToMirror(repoID int64) {
|
|
go mirrorQueue.Add(repoID)
|
|
}
|
|
|