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forgejo/models/consistency.go
Lunny Xiao f5eb33c354
Fix orphaned objects deletion bug (#15657)
* Fix orphaned objects deletion bug

* extend test

Co-authored-by: 6543 <6543@obermui.de>
2021-04-30 20:08:46 +02:00

458 lines
15 KiB
Go

// Copyright 2017 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 models
import (
"fmt"
"reflect"
"regexp"
"strings"
"testing"
"code.gitea.io/gitea/modules/setting"
"github.com/stretchr/testify/assert"
"xorm.io/builder"
)
// consistencyCheckable a type that can be tested for database consistency
type consistencyCheckable interface {
checkForConsistency(t *testing.T)
}
// CheckConsistencyForAll test that the entire database is consistent
func CheckConsistencyForAll(t *testing.T) {
CheckConsistencyFor(t,
&User{},
&Repository{},
&Issue{},
&PullRequest{},
&Milestone{},
&Label{},
&Team{},
&Action{})
}
// CheckConsistencyFor test that all matching database entries are consistent
func CheckConsistencyFor(t *testing.T, beansToCheck ...interface{}) {
for _, bean := range beansToCheck {
sliceType := reflect.SliceOf(reflect.TypeOf(bean))
sliceValue := reflect.MakeSlice(sliceType, 0, 10)
ptrToSliceValue := reflect.New(sliceType)
ptrToSliceValue.Elem().Set(sliceValue)
assert.NoError(t, x.Table(bean).Find(ptrToSliceValue.Interface()))
sliceValue = ptrToSliceValue.Elem()
for i := 0; i < sliceValue.Len(); i++ {
entity := sliceValue.Index(i).Interface()
checkable, ok := entity.(consistencyCheckable)
if !ok {
t.Errorf("Expected %+v (of type %T) to be checkable for consistency",
entity, entity)
} else {
checkable.checkForConsistency(t)
}
}
}
}
// getCount get the count of database entries matching bean
func getCount(t *testing.T, e Engine, bean interface{}) int64 {
count, err := e.Count(bean)
assert.NoError(t, err)
return count
}
// assertCount test the count of database entries matching bean
func assertCount(t *testing.T, bean interface{}, expected int) {
assert.EqualValues(t, expected, getCount(t, x, bean),
"Failed consistency test, the counted bean (of type %T) was %+v", bean, bean)
}
func (user *User) checkForConsistency(t *testing.T) {
assertCount(t, &Repository{OwnerID: user.ID}, user.NumRepos)
assertCount(t, &Star{UID: user.ID}, user.NumStars)
assertCount(t, &OrgUser{OrgID: user.ID}, user.NumMembers)
assertCount(t, &Team{OrgID: user.ID}, user.NumTeams)
assertCount(t, &Follow{UserID: user.ID}, user.NumFollowing)
assertCount(t, &Follow{FollowID: user.ID}, user.NumFollowers)
if user.Type != UserTypeOrganization {
assert.EqualValues(t, 0, user.NumMembers)
assert.EqualValues(t, 0, user.NumTeams)
}
}
func (repo *Repository) checkForConsistency(t *testing.T) {
assert.Equal(t, repo.LowerName, strings.ToLower(repo.Name), "repo: %+v", repo)
assertCount(t, &Star{RepoID: repo.ID}, repo.NumStars)
assertCount(t, &Milestone{RepoID: repo.ID}, repo.NumMilestones)
assertCount(t, &Repository{ForkID: repo.ID}, repo.NumForks)
if repo.IsFork {
AssertExistsAndLoadBean(t, &Repository{ID: repo.ForkID})
}
actual := getCount(t, x.Where("Mode<>?", RepoWatchModeDont), &Watch{RepoID: repo.ID})
assert.EqualValues(t, repo.NumWatches, actual,
"Unexpected number of watches for repo %+v", repo)
actual = getCount(t, x.Where("is_pull=?", false), &Issue{RepoID: repo.ID})
assert.EqualValues(t, repo.NumIssues, actual,
"Unexpected number of issues for repo %+v", repo)
actual = getCount(t, x.Where("is_pull=? AND is_closed=?", false, true), &Issue{RepoID: repo.ID})
assert.EqualValues(t, repo.NumClosedIssues, actual,
"Unexpected number of closed issues for repo %+v", repo)
actual = getCount(t, x.Where("is_pull=?", true), &Issue{RepoID: repo.ID})
assert.EqualValues(t, repo.NumPulls, actual,
"Unexpected number of pulls for repo %+v", repo)
actual = getCount(t, x.Where("is_pull=? AND is_closed=?", true, true), &Issue{RepoID: repo.ID})
assert.EqualValues(t, repo.NumClosedPulls, actual,
"Unexpected number of closed pulls for repo %+v", repo)
actual = getCount(t, x.Where("is_closed=?", true), &Milestone{RepoID: repo.ID})
assert.EqualValues(t, repo.NumClosedMilestones, actual,
"Unexpected number of closed milestones for repo %+v", repo)
}
func (issue *Issue) checkForConsistency(t *testing.T) {
actual := getCount(t, x.Where("type=?", CommentTypeComment), &Comment{IssueID: issue.ID})
assert.EqualValues(t, issue.NumComments, actual,
"Unexpected number of comments for issue %+v", issue)
if issue.IsPull {
pr := AssertExistsAndLoadBean(t, &PullRequest{IssueID: issue.ID}).(*PullRequest)
assert.EqualValues(t, pr.Index, issue.Index)
}
}
func (pr *PullRequest) checkForConsistency(t *testing.T) {
issue := AssertExistsAndLoadBean(t, &Issue{ID: pr.IssueID}).(*Issue)
assert.True(t, issue.IsPull)
assert.EqualValues(t, issue.Index, pr.Index)
}
func (milestone *Milestone) checkForConsistency(t *testing.T) {
assertCount(t, &Issue{MilestoneID: milestone.ID}, milestone.NumIssues)
actual := getCount(t, x.Where("is_closed=?", true), &Issue{MilestoneID: milestone.ID})
assert.EqualValues(t, milestone.NumClosedIssues, actual,
"Unexpected number of closed issues for milestone %+v", milestone)
}
func (label *Label) checkForConsistency(t *testing.T) {
issueLabels := make([]*IssueLabel, 0, 10)
assert.NoError(t, x.Find(&issueLabels, &IssueLabel{LabelID: label.ID}))
assert.EqualValues(t, label.NumIssues, len(issueLabels),
"Unexpected number of issue for label %+v", label)
issueIDs := make([]int64, len(issueLabels))
for i, issueLabel := range issueLabels {
issueIDs[i] = issueLabel.IssueID
}
expected := int64(0)
if len(issueIDs) > 0 {
expected = getCount(t, x.In("id", issueIDs).Where("is_closed=?", true), &Issue{})
}
assert.EqualValues(t, expected, label.NumClosedIssues,
"Unexpected number of closed issues for label %+v", label)
}
func (team *Team) checkForConsistency(t *testing.T) {
assertCount(t, &TeamUser{TeamID: team.ID}, team.NumMembers)
assertCount(t, &TeamRepo{TeamID: team.ID}, team.NumRepos)
}
func (action *Action) checkForConsistency(t *testing.T) {
repo := AssertExistsAndLoadBean(t, &Repository{ID: action.RepoID}).(*Repository)
assert.Equal(t, repo.IsPrivate, action.IsPrivate, "action: %+v", action)
}
// CountOrphanedLabels return count of labels witch are broken and not accessible via ui anymore
func CountOrphanedLabels() (int64, error) {
noref, err := x.Table("label").Where("repo_id=? AND org_id=?", 0, 0).Count("label.id")
if err != nil {
return 0, err
}
norepo, err := x.Table("label").
Join("LEFT", "repository", "label.repo_id=repository.id").
Where(builder.IsNull{"repository.id"}).And(builder.Gt{"label.repo_id": 0}).
Count("id")
if err != nil {
return 0, err
}
noorg, err := x.Table("label").
Join("LEFT", "`user`", "label.org_id=`user`.id").
Where(builder.IsNull{"`user`.id"}).And(builder.Gt{"label.org_id": 0}).
Count("id")
if err != nil {
return 0, err
}
return noref + norepo + noorg, nil
}
// DeleteOrphanedLabels delete labels witch are broken and not accessible via ui anymore
func DeleteOrphanedLabels() error {
// delete labels with no reference
if _, err := x.Table("label").Where("repo_id=? AND org_id=?", 0, 0).Delete(new(Label)); err != nil {
return err
}
// delete labels with none existing repos
if _, err := x.In("id", builder.Select("label.id").From("label").
Join("LEFT", "repository", "label.repo_id=repository.id").
Where(builder.IsNull{"repository.id"}).And(builder.Gt{"label.repo_id": 0})).
Delete(Label{}); err != nil {
return err
}
// delete labels with none existing orgs
if _, err := x.In("id", builder.Select("label.id").From("label").
Join("LEFT", "`user`", "label.org_id=`user`.id").
Where(builder.IsNull{"`user`.id"}).And(builder.Gt{"label.org_id": 0})).
Delete(Label{}); err != nil {
return err
}
return nil
}
// CountOrphanedIssueLabels return count of IssueLabels witch have no label behind anymore
func CountOrphanedIssueLabels() (int64, error) {
return x.Table("issue_label").
Join("LEFT", "label", "issue_label.label_id = label.id").
Where(builder.IsNull{"label.id"}).Count()
}
// DeleteOrphanedIssueLabels delete IssueLabels witch have no label behind anymore
func DeleteOrphanedIssueLabels() error {
_, err := x.In("id", builder.Select("issue_label.id").From("issue_label").
Join("LEFT", "label", "issue_label.label_id = label.id").
Where(builder.IsNull{"label.id"})).
Delete(IssueLabel{})
return err
}
// CountOrphanedIssues count issues without a repo
func CountOrphanedIssues() (int64, error) {
return x.Table("issue").
Join("LEFT", "repository", "issue.repo_id=repository.id").
Where(builder.IsNull{"repository.id"}).
Count("id")
}
// DeleteOrphanedIssues delete issues without a repo
func DeleteOrphanedIssues() error {
sess := x.NewSession()
defer sess.Close()
if err := sess.Begin(); err != nil {
return err
}
var ids []int64
if err := sess.Table("issue").Distinct("issue.repo_id").
Join("LEFT", "repository", "issue.repo_id=repository.id").
Where(builder.IsNull{"repository.id"}).GroupBy("issue.repo_id").
Find(&ids); err != nil {
return err
}
var attachmentPaths []string
for i := range ids {
paths, err := deleteIssuesByRepoID(sess, ids[i])
if err != nil {
return err
}
attachmentPaths = append(attachmentPaths, paths...)
}
if err := sess.Commit(); err != nil {
return err
}
// Remove issue attachment files.
for i := range attachmentPaths {
removeAllWithNotice(x, "Delete issue attachment", attachmentPaths[i])
}
return nil
}
// CountOrphanedObjects count subjects with have no existing refobject anymore
func CountOrphanedObjects(subject, refobject, joinCond string) (int64, error) {
return x.Table("`"+subject+"`").
Join("LEFT", refobject, joinCond).
Where(builder.IsNull{"`" + refobject + "`.id"}).
Count("id")
}
// DeleteOrphanedObjects delete subjects with have no existing refobject anymore
func DeleteOrphanedObjects(subject, refobject, joinCond string) error {
subQuery := builder.Select("`"+subject+"`.id").
From("`"+subject+"`").
Join("LEFT", "`"+refobject+"`", joinCond).
Where(builder.IsNull{"`" + refobject + "`.id"})
sql, args, err := builder.Delete(builder.In("id", subQuery)).From("`" + subject + "`").ToSQL()
if err != nil {
return err
}
_, err = x.Exec(append([]interface{}{sql}, args...)...)
return err
}
// CountNullArchivedRepository counts the number of repositories with is_archived is null
func CountNullArchivedRepository() (int64, error) {
return x.Where(builder.IsNull{"is_archived"}).Count(new(Repository))
}
// FixNullArchivedRepository sets is_archived to false where it is null
func FixNullArchivedRepository() (int64, error) {
return x.Where(builder.IsNull{"is_archived"}).Cols("is_archived").NoAutoTime().Update(&Repository{
IsArchived: false,
})
}
// CountWrongUserType count OrgUser who have wrong type
func CountWrongUserType() (int64, error) {
return x.Where(builder.Eq{"type": 0}.And(builder.Neq{"num_teams": 0})).Count(new(User))
}
// FixWrongUserType fix OrgUser who have wrong type
func FixWrongUserType() (int64, error) {
return x.Where(builder.Eq{"type": 0}.And(builder.Neq{"num_teams": 0})).Cols("type").NoAutoTime().Update(&User{Type: 1})
}
// CountCommentTypeLabelWithEmptyLabel count label comments with empty label
func CountCommentTypeLabelWithEmptyLabel() (int64, error) {
return x.Where(builder.Eq{"type": CommentTypeLabel, "label_id": 0}).Count(new(Comment))
}
// FixCommentTypeLabelWithEmptyLabel count label comments with empty label
func FixCommentTypeLabelWithEmptyLabel() (int64, error) {
return x.Where(builder.Eq{"type": CommentTypeLabel, "label_id": 0}).Delete(new(Comment))
}
// CountCommentTypeLabelWithOutsideLabels count label comments with outside label
func CountCommentTypeLabelWithOutsideLabels() (int64, error) {
return x.Where("comment.type = ? AND ((label.org_id = 0 AND issue.repo_id != label.repo_id) OR (label.repo_id = 0 AND label.org_id != repository.owner_id))", CommentTypeLabel).
Table("comment").
Join("inner", "label", "label.id = comment.label_id").
Join("inner", "issue", "issue.id = comment.issue_id ").
Join("inner", "repository", "issue.repo_id = repository.id").
Count(new(Comment))
}
// FixCommentTypeLabelWithOutsideLabels count label comments with outside label
func FixCommentTypeLabelWithOutsideLabels() (int64, error) {
res, err := x.Exec(`DELETE FROM comment WHERE comment.id IN (
SELECT il_too.id FROM (
SELECT com.id
FROM comment AS com
INNER JOIN label ON com.label_id = label.id
INNER JOIN issue on issue.id = com.issue_id
INNER JOIN repository ON issue.repo_id = repository.id
WHERE
com.type = ? AND ((label.org_id = 0 AND issue.repo_id != label.repo_id) OR (label.repo_id = 0 AND label.org_id != repository.owner_id))
) AS il_too)`, CommentTypeLabel)
if err != nil {
return 0, err
}
return res.RowsAffected()
}
// CountIssueLabelWithOutsideLabels count label comments with outside label
func CountIssueLabelWithOutsideLabels() (int64, error) {
return x.Where(builder.Expr("(label.org_id = 0 AND issue.repo_id != label.repo_id) OR (label.repo_id = 0 AND label.org_id != repository.owner_id)")).
Table("issue_label").
Join("inner", "label", "issue_label.label_id = label.id ").
Join("inner", "issue", "issue.id = issue_label.issue_id ").
Join("inner", "repository", "issue.repo_id = repository.id").
Count(new(IssueLabel))
}
// FixIssueLabelWithOutsideLabels fix label comments with outside label
func FixIssueLabelWithOutsideLabels() (int64, error) {
res, err := x.Exec(`DELETE FROM issue_label WHERE issue_label.id IN (
SELECT il_too.id FROM (
SELECT il_too_too.id
FROM issue_label AS il_too_too
INNER JOIN label ON il_too_too.label_id = label.id
INNER JOIN issue on issue.id = il_too_too.issue_id
INNER JOIN repository on repository.id = issue.repo_id
WHERE
(label.org_id = 0 AND issue.repo_id != label.repo_id) OR (label.repo_id = 0 AND label.org_id != repository.owner_id)
) AS il_too )`)
if err != nil {
return 0, err
}
return res.RowsAffected()
}
// CountBadSequences looks for broken sequences from recreate-table mistakes
func CountBadSequences() (int64, error) {
if !setting.Database.UsePostgreSQL {
return 0, nil
}
sess := x.NewSession()
defer sess.Close()
var sequences []string
schema := sess.Engine().Dialect().URI().Schema
sess.Engine().SetSchema("")
if err := sess.Table("information_schema.sequences").Cols("sequence_name").Where("sequence_name LIKE 'tmp_recreate__%_id_seq%' AND sequence_catalog = ?", setting.Database.Name).Find(&sequences); err != nil {
return 0, err
}
sess.Engine().SetSchema(schema)
return int64(len(sequences)), nil
}
// FixBadSequences fixes for broken sequences from recreate-table mistakes
func FixBadSequences() error {
if !setting.Database.UsePostgreSQL {
return nil
}
sess := x.NewSession()
defer sess.Close()
if err := sess.Begin(); err != nil {
return err
}
var sequences []string
schema := sess.Engine().Dialect().URI().Schema
sess.Engine().SetSchema("")
if err := sess.Table("information_schema.sequences").Cols("sequence_name").Where("sequence_name LIKE 'tmp_recreate__%_id_seq%' AND sequence_catalog = ?", setting.Database.Name).Find(&sequences); err != nil {
return err
}
sess.Engine().SetSchema(schema)
sequenceRegexp := regexp.MustCompile(`tmp_recreate__(\w+)_id_seq.*`)
for _, sequence := range sequences {
tableName := sequenceRegexp.FindStringSubmatch(sequence)[1]
newSequenceName := tableName + "_id_seq"
if _, err := sess.Exec(fmt.Sprintf("ALTER SEQUENCE `%s` RENAME TO `%s`", sequence, newSequenceName)); err != nil {
return err
}
if _, err := sess.Exec(fmt.Sprintf("SELECT setval('%s', COALESCE((SELECT MAX(id)+1 FROM `%s`), 1), false)", newSequenceName, tableName)); err != nil {
return err
}
}
return sess.Commit()
}