7adc2de464
After #22362, we can feel free to use transactions without `db.DefaultContext`. And there are still lots of models using `db.DefaultContext`, I think we should refactor them carefully and one by one. Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
105 lines
3.2 KiB
Go
105 lines
3.2 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package repository
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import (
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"context"
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"fmt"
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"time"
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"code.gitea.io/gitea/models/db"
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git_model "code.gitea.io/gitea/models/git"
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repo_model "code.gitea.io/gitea/models/repo"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/lfs"
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"code.gitea.io/gitea/modules/log"
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"xorm.io/builder"
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)
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func GarbageCollectLFSMetaObjects(ctx context.Context, logger log.Logger, autofix bool) error {
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log.Trace("Doing: GarbageCollectLFSMetaObjects")
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if err := db.Iterate(
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ctx,
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builder.And(builder.Gt{"id": 0}),
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func(ctx context.Context, repo *repo_model.Repository) error {
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return GarbageCollectLFSMetaObjectsForRepo(ctx, repo, logger, autofix)
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},
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); err != nil {
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return err
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}
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log.Trace("Finished: GarbageCollectLFSMetaObjects")
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return nil
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}
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func GarbageCollectLFSMetaObjectsForRepo(ctx context.Context, repo *repo_model.Repository, logger log.Logger, autofix bool) error {
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if logger != nil {
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logger.Info("Checking %-v", repo)
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}
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total, orphaned, collected, deleted := 0, 0, 0, 0
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if logger != nil {
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defer func() {
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if orphaned == 0 {
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logger.Info("Found %d total LFSMetaObjects in %-v", total, repo)
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} else if !autofix {
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logger.Info("Found %d/%d orphaned LFSMetaObjects in %-v", orphaned, total, repo)
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} else {
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logger.Info("Collected %d/%d orphaned/%d total LFSMetaObjects in %-v. %d removed from storage.", collected, orphaned, total, repo, deleted)
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}
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}()
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}
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gitRepo, err := git.OpenRepository(ctx, repo.RepoPath())
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if err != nil {
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log.Error("Unable to open git repository %-v: %v", repo, err)
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return err
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}
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defer gitRepo.Close()
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store := lfs.NewContentStore()
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return git_model.IterateLFSMetaObjectsForRepo(ctx, repo.ID, func(ctx context.Context, metaObject *git_model.LFSMetaObject, count int64) error {
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total++
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pointerSha := git.ComputeBlobHash([]byte(metaObject.Pointer.StringContent()))
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if gitRepo.IsObjectExist(pointerSha.String()) {
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return nil
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}
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orphaned++
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if !autofix {
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return nil
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}
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// Non-existent pointer file
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_, err = git_model.RemoveLFSMetaObjectByOidFn(ctx, repo.ID, metaObject.Oid, func(count int64) error {
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if count > 0 {
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return nil
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}
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if err := store.Delete(metaObject.RelativePath()); err != nil {
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log.Error("Unable to remove lfs metaobject %s from store: %v", metaObject.Oid, err)
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}
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deleted++
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return nil
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})
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if err != nil {
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return fmt.Errorf("unable to remove meta-object %s in %s: %w", metaObject.Oid, repo.FullName(), err)
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}
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collected++
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return nil
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}, &git_model.IterateLFSMetaObjectsForRepoOptions{
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// Only attempt to garbage collect lfs meta objects older than a week as the order of git lfs upload
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// and git object upload is not necessarily guaranteed. It's possible to imagine a situation whereby
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// an LFS object is uploaded but the git branch is not uploaded immediately, or there are some rapid
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// changes in new branches that might lead to lfs objects becoming temporarily unassociated with git
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// objects.
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//
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// It is likely that a week is potentially excessive but it should definitely be enough that any
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// unassociated LFS object is genuinely unassociated.
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OlderThan: time.Now().Add(-24 * 7 * time.Hour),
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})
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}
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