Don't remove all mirror repository's releases when mirroring (#28817)
Fix #22066 # Purpose This PR fix the releases will be deleted when mirror repository sync the tags. # The problem In the previous implementation of #19125. All releases record in databases of one mirror repository will be deleted before sync. Ref: https://github.com/go-gitea/gitea/pull/19125/files#diff-2aa04998a791c30e5a02b49a97c07fcd93d50e8b31640ce2ddb1afeebf605d02R481 # The Pros This PR introduced a new method which will load all releases from databases and all tags on git data into memory. And detect which tags needs to be inserted, which tags need to be updated or deleted. Only tags releases(IsTag=true) which are not included in git data will be deleted, only tags which sha1 changed will be updated. So it will not delete any real releases include drafts. # The Cons The drawback is the memory usage will be higher than before if there are many tags on this repository. This PR defined a special release struct to reduce columns loaded from database to memory.
This commit is contained in:
Lunny Xiao
GitHub
parent
ba24e0ba61
commit
534917d576
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@ -508,6 +508,18 @@ func StoreMissingLfsObjectsInRepository(ctx context.Context, repo *repo_model.Re
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return nil
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}
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// shortRelease to reduce load memory, this struct can replace repo_model.Release
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type shortRelease struct {
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ID int64
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TagName string
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Sha1 string
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IsTag bool
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}
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func (shortRelease) TableName() string {
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return "release"
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}
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// pullMirrorReleaseSync is a pull-mirror specific tag<->release table
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// synchronization which overwrites all Releases from the repository tags. This
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// can be relied on since a pull-mirror is always identical to its
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@ -521,16 +533,20 @@ func pullMirrorReleaseSync(ctx context.Context, repo *repo_model.Repository, git
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return fmt.Errorf("unable to GetTagInfos in pull-mirror Repo[%d:%s/%s]: %w", repo.ID, repo.OwnerName, repo.Name, err)
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}
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err = db.WithTx(ctx, func(ctx context.Context) error {
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//
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// clear out existing releases
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//
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if _, err := db.DeleteByBean(ctx, &repo_model.Release{RepoID: repo.ID}); err != nil {
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return fmt.Errorf("unable to clear releases for pull-mirror Repo[%d:%s/%s]: %w", repo.ID, repo.OwnerName, repo.Name, err)
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dbReleases, err := db.Find[shortRelease](ctx, repo_model.FindReleasesOptions{
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RepoID: repo.ID,
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IncludeDrafts: true,
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IncludeTags: true,
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})
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if err != nil {
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return fmt.Errorf("unable to FindReleases in pull-mirror Repo[%d:%s/%s]: %w", repo.ID, repo.OwnerName, repo.Name, err)
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}
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inserts, deletes, updates := calcSync(tags, dbReleases)
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//
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// make release set identical to upstream tags
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//
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for _, tag := range tags {
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for _, tag := range inserts {
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release := repo_model.Release{
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RepoID: repo.ID,
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TagName: tag.Name,
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@ -547,6 +563,25 @@ func pullMirrorReleaseSync(ctx context.Context, repo *repo_model.Repository, git
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return fmt.Errorf("unable insert tag %s for pull-mirror Repo[%d:%s/%s]: %w", tag.Name, repo.ID, repo.OwnerName, repo.Name, err)
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}
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}
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// only delete tags releases
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if len(deletes) > 0 {
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if _, err := db.GetEngine(ctx).Where("repo_id=?", repo.ID).
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In("id", deletes).
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Delete(&repo_model.Release{}); err != nil {
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return fmt.Errorf("unable to delete tags for pull-mirror Repo[%d:%s/%s]: %w", repo.ID, repo.OwnerName, repo.Name, err)
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}
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}
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for _, tag := range updates {
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if _, err := db.GetEngine(ctx).Where("repo_id = ? AND lower_tag_name = ?", repo.ID, strings.ToLower(tag.Name)).
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Cols("sha1").
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Update(&repo_model.Release{
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Sha1: tag.Object.String(),
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}); err != nil {
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return fmt.Errorf("unable to update tag %s for pull-mirror Repo[%d:%s/%s]: %w", tag.Name, repo.ID, repo.OwnerName, repo.Name, err)
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}
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}
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return nil
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})
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if err != nil {
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@ -556,3 +591,32 @@ func pullMirrorReleaseSync(ctx context.Context, repo *repo_model.Repository, git
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log.Trace("pullMirrorReleaseSync: done rebuilding %d releases", numTags)
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return nil
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}
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func calcSync(destTags []*git.Tag, dbTags []*shortRelease) ([]*git.Tag, []int64, []*git.Tag) {
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destTagMap := make(map[string]*git.Tag)
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for _, tag := range destTags {
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destTagMap[tag.Name] = tag
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}
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dbTagMap := make(map[string]*shortRelease)
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for _, rel := range dbTags {
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dbTagMap[rel.TagName] = rel
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}
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inserted := make([]*git.Tag, 0, 10)
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updated := make([]*git.Tag, 0, 10)
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for _, tag := range destTags {
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rel := dbTagMap[tag.Name]
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if rel == nil {
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inserted = append(inserted, tag)
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} else if rel.Sha1 != tag.Object.String() {
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updated = append(updated, tag)
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}
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}
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deleted := make([]int64, 0, 10)
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for _, tag := range dbTags {
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if destTagMap[tag.TagName] == nil && tag.IsTag {
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deleted = append(deleted, tag.ID)
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}
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}
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return inserted, deleted, updated
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}
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@ -0,0 +1,76 @@
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// Copyright 2024 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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"testing"
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"code.gitea.io/gitea/modules/git"
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"github.com/stretchr/testify/assert"
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)
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func Test_calcSync(t *testing.T) {
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gitTags := []*git.Tag{
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/*{
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Name: "v0.1.0-beta", //deleted tag
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Object: git.MustIDFromString(""),
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},
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{
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Name: "v0.1.1-beta", //deleted tag but release should not be deleted because it's a release
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Object: git.MustIDFromString(""),
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},
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*/
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{
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Name: "v1.0.0", // keep as before
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Object: git.MustIDFromString("1006e6e13c73ad3d9e2d5682ad266b5016523485"),
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},
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{
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Name: "v1.1.0", // retagged with new commit id
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Object: git.MustIDFromString("bbdb7df30248e7d4a26a909c8d2598a152e13868"),
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},
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{
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Name: "v1.2.0", // new tag
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Object: git.MustIDFromString("a5147145e2f24d89fd6d2a87826384cc1d253267"),
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},
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}
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dbReleases := []*shortRelease{
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{
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ID: 1,
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TagName: "v0.1.0-beta",
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Sha1: "244758d7da8dd1d9e0727e8cb7704ed4ba9a17c3",
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IsTag: true,
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},
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{
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ID: 2,
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TagName: "v0.1.1-beta",
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Sha1: "244758d7da8dd1d9e0727e8cb7704ed4ba9a17c3",
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IsTag: false,
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},
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{
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ID: 3,
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TagName: "v1.0.0",
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Sha1: "1006e6e13c73ad3d9e2d5682ad266b5016523485",
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},
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{
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ID: 4,
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TagName: "v1.1.0",
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Sha1: "53ab18dcecf4152b58328d1f47429510eb414d50",
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},
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}
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inserts, deletes, updates := calcSync(gitTags, dbReleases)
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if assert.EqualValues(t, 1, len(inserts), "inserts") {
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assert.EqualValues(t, *gitTags[2], *inserts[0], "inserts equal")
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}
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if assert.EqualValues(t, 1, len(deletes), "deletes") {
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assert.EqualValues(t, 1, deletes[0], "deletes equal")
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}
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if assert.EqualValues(t, 1, len(updates), "updates") {
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assert.EqualValues(t, *gitTags[1], *updates[0], "updates equal")
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}
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}
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