diff options
Diffstat (limited to 'models/mirror.go')
-rw-r--r-- | models/mirror.go | 175 |
1 files changed, 137 insertions, 38 deletions
diff --git a/models/mirror.go b/models/mirror.go index b204a682..81afe68b 100644 --- a/models/mirror.go +++ b/models/mirror.go @@ -33,22 +33,22 @@ type Mirror struct { Interval int // Hour. EnablePrune bool `xorm:"NOT NULL DEFAULT true"` - Updated time.Time `xorm:"-"` - UpdatedUnix int64 - NextUpdate time.Time `xorm:"-"` - NextUpdateUnix int64 + // Last and next sync time of Git data from upstream + LastSync time.Time `xorm:"-"` + LastSyncUnix int64 `xorm:"updated_unix"` + NextSync time.Time `xorm:"-"` + NextSyncUnix int64 `xorm:"next_update_unix"` address string `xorm:"-"` } func (m *Mirror) BeforeInsert() { - m.UpdatedUnix = time.Now().Unix() - m.NextUpdateUnix = m.NextUpdate.Unix() + m.NextSyncUnix = m.NextSync.Unix() } func (m *Mirror) BeforeUpdate() { - m.UpdatedUnix = time.Now().Unix() - m.NextUpdateUnix = m.NextUpdate.Unix() + m.LastSyncUnix = m.LastSync.Unix() + m.NextSyncUnix = m.NextSync.Unix() } func (m *Mirror) AfterSet(colName string, _ xorm.Cell) { @@ -60,15 +60,15 @@ func (m *Mirror) AfterSet(colName string, _ xorm.Cell) { log.Error(3, "GetRepositoryByID [%d]: %v", m.ID, err) } case "updated_unix": - m.Updated = time.Unix(m.UpdatedUnix, 0).Local() + m.LastSync = time.Unix(m.LastSyncUnix, 0).Local() case "next_update_unix": - m.NextUpdate = time.Unix(m.NextUpdateUnix, 0).Local() + m.NextSync = time.Unix(m.NextSyncUnix, 0).Local() } } -// ScheduleNextUpdate calculates and sets next update time. -func (m *Mirror) ScheduleNextUpdate() { - m.NextUpdate = time.Now().Add(time.Duration(m.Interval) * time.Hour) +// ScheduleNextSync calculates and sets next sync time based on repostiroy mirror setting. +func (m *Mirror) ScheduleNextSync() { + m.NextSync = time.Now().Add(time.Duration(m.Interval) * time.Hour) } // findPasswordInMirrorAddress returns start (inclusive) and end index (exclusive) @@ -188,8 +188,67 @@ func (m *Mirror) SaveAddress(addr string) error { return cfg.SaveToIndent(configPath, "\t") } +const GIT_SHORT_EMPTY_SHA = "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: GIT_SHORT_EMPTY_SHA, + }) + case strings.HasPrefix(lines[i], " - "): // Delete reference + results = append(results, &mirrorSyncResult{ + refName: refName, + newCommitID: GIT_SHORT_EMPTY_SHA, + }) + case strings.HasPrefix(lines[i], " "): // New commits of a reference + delimIdx := strings.Index(lines[i][3:], " ") + if delimIdx == -1 { + log.Error(2, "SHA delimiter not found: %q", lines[i]) + continue + } + shas := strings.Split(lines[i][3:delimIdx+3], "..") + if len(shas) != 2 { + log.Error(2, "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 (m *Mirror) runSync() bool { +func (m *Mirror) runSync() ([]*mirrorSyncResult, bool) { repoPath := m.Repo.RepoPath() wikiPath := m.Repo.WikiPath() timeout := time.Duration(setting.Git.Timeout.Mirror) * time.Second @@ -204,29 +263,32 @@ func (m *Mirror) runSync() bool { if err := CreateRepositoryNotice(desc); err != nil { log.Error(2, "CreateRepositoryNotice: %v", err) } - return false + return nil, false } gitArgs := []string{"remote", "update"} if m.EnablePrune { gitArgs = append(gitArgs, "--prune") } - if _, stderr, err := process.ExecDir( + _, stderr, err := process.ExecDir( timeout, repoPath, fmt.Sprintf("Mirror.runSync: %s", repoPath), - "git", gitArgs...); err != nil { + "git", gitArgs...) + if err != nil { desc := fmt.Sprintf("Fail to update mirror repository '%s': %s", repoPath, stderr) log.Error(2, desc) if err = CreateRepositoryNotice(desc); err != nil { log.Error(2, "CreateRepositoryNotice: %v", err) } - return false + return nil, false } + output := stderr if err := m.Repo.UpdateSize(); err != nil { log.Error(2, "UpdateSize [repo_id: %d]: %v", m.Repo.ID, err) } if m.Repo.HasWiki() { + // Even if wiki sync failed, we still want results from the main repository if _, stderr, err := process.ExecDir( timeout, wikiPath, fmt.Sprintf("Mirror.runSync: %s", wikiPath), "git", "remote", "update", "--prune"); err != nil { @@ -235,11 +297,10 @@ func (m *Mirror) runSync() bool { if err = CreateRepositoryNotice(desc); err != nil { log.Error(2, "CreateRepositoryNotice: %v", err) } - return false } } - return true + return parseRemoteUpdateOutput(output), true } func getMirrorByRepoID(e Engine, repoID int64) (*Mirror, error) { @@ -301,50 +362,88 @@ func MirrorUpdate() { func SyncMirrors() { // Start listening on new sync requests. for repoID := range MirrorQueue.Queue() { - log.Trace("SyncMirrors [repo_id: %v]", repoID) + log.Trace("SyncMirrors [repo_id: %d]", repoID) MirrorQueue.Remove(repoID) m, err := GetMirrorByRepoID(com.StrTo(repoID).MustInt64()) if err != nil { - log.Error(2, "GetMirrorByRepoID [%s]: %v", m.RepoID, err) + log.Error(2, "GetMirrorByRepoID [%d]: %v", m.RepoID, err) continue } - if !m.runSync() { + results, ok := m.runSync() + if !ok { continue } - m.ScheduleNextUpdate() + m.ScheduleNextSync() if err = UpdateMirror(m); err != nil { - log.Error(2, "UpdateMirror [%s]: %v", m.RepoID, err) + log.Error(2, "UpdateMirror [%d]: %v", m.RepoID, err) continue } - // TODO: Work on #2017 and #4528 together - // 1. Get commits after last update time - // 2. Simulate push event for new commits, see models/repo_editor.go:164 - // This automatically triggers the "push" webhook + // TODO: + // - Create "Mirror Sync" webhook event + // - Create mirror sync (create, push and delete) events and trigger the "mirror sync" webhooks + + var gitRepo *git.Repository + if len(results) == 0 { + log.Trace("SyncMirrors [repo_id: %d]: no commits fetched", m.RepoID) + } else { + gitRepo, err = git.OpenRepository(m.Repo.RepoPath()) + if err != nil { + log.Error(2, "OpenRepository [%d]: %v", m.RepoID, err) + continue + } + } - // ****************************** - // EDIT AREA - START - // ****************************** + for _, result := range results { + // Create reference + if result.oldCommitID == GIT_SHORT_EMPTY_SHA { + if err = MirrorSyncCreateAction(m.Repo, result.refName); err != nil { + log.Error(2, "MirrorSyncCreateAction [repo_id: %d]: %v", m.RepoID, err) + } + continue + } + + // Delete reference + if result.newCommitID == GIT_SHORT_EMPTY_SHA { + if err = MirrorSyncDeleteAction(m.Repo, result.refName); err != nil { + log.Error(2, "MirrorSyncDeleteAction [repo_id: %d]: %v", m.RepoID, err) + } + continue + } + + // Push commits + commits, err := gitRepo.CommitsBetweenIDs(result.newCommitID, result.oldCommitID) + if err != nil { + log.Error(2, "CommitsBetweenIDs [repo_id: %d, new_commit_id: %s, old_commit_id: %s]: %v", m.RepoID, result.newCommitID, result.oldCommitID, err) + continue + } + pushCommits := ListToPushCommits(commits) + if err = MirrorSyncPushAction(m.Repo, result.refName, pushCommits); err != nil { + log.Error(2, "MirrorSyncPushAction [repo_id: %d]: %v", m.RepoID, err) + continue + } + } + + if _, err = x.Exec("UPDATE mirror SET updated_unix = ? WHERE repo_id = ?", time.Now().Unix(), m.RepoID); err != nil { + log.Error(2, "Update 'mirror.updated_unix' [%d]: %v", m.RepoID, err) + continue + } // Get latest commit date and compare to current repository updated time, // update if latest commit date is newer. commitDate, err := git.GetLatestCommitDate(m.Repo.RepoPath(), "") if err != nil { - log.Error(2, "GetLatestCommitDate [%s]: %v", m.RepoID, err) + log.Error(2, "GetLatestCommitDate [%d]: %v", m.RepoID, err) continue } else if commitDate.Before(m.Repo.Updated) { continue } - // ****************************** - // EDIT AREA - END - // ****************************** - if _, err = x.Exec("UPDATE repository SET updated_unix = ? WHERE id = ?", commitDate.Unix(), m.RepoID); err != nil { - log.Error(2, "Update repository 'updated_unix' [%s]: %v", m.RepoID, err) + log.Error(2, "Update 'repository.updated_unix' [%d]: %v", m.RepoID, err) continue } } |