135 lines
3.6 KiB
Go
135 lines
3.6 KiB
Go
// 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 code
|
|
|
|
import (
|
|
"os"
|
|
|
|
"code.gitea.io/gitea/models"
|
|
"code.gitea.io/gitea/modules/graceful"
|
|
"code.gitea.io/gitea/modules/log"
|
|
"code.gitea.io/gitea/modules/setting"
|
|
)
|
|
|
|
type repoIndexerOperation struct {
|
|
repoID int64
|
|
deleted bool
|
|
watchers []chan<- error
|
|
}
|
|
|
|
var repoIndexerOperationQueue chan repoIndexerOperation
|
|
|
|
func initQueue(queueLength int) {
|
|
repoIndexerOperationQueue = make(chan repoIndexerOperation, queueLength)
|
|
}
|
|
|
|
func processRepoIndexerOperationQueue(indexer Indexer) {
|
|
for {
|
|
select {
|
|
case op := <-repoIndexerOperationQueue:
|
|
var err error
|
|
if op.deleted {
|
|
if err = indexer.Delete(op.repoID); err != nil {
|
|
log.Error("indexer.Delete: %v", err)
|
|
}
|
|
} else {
|
|
if err = indexer.Index(op.repoID); err != nil {
|
|
log.Error("indexer.Index: %v", err)
|
|
}
|
|
}
|
|
for _, watcher := range op.watchers {
|
|
watcher <- err
|
|
}
|
|
case <-graceful.GetManager().IsShutdown():
|
|
log.Info("PID: %d Repository indexer queue processing stopped", os.Getpid())
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
// DeleteRepoFromIndexer remove all of a repository's entries from the indexer
|
|
func DeleteRepoFromIndexer(repo *models.Repository, watchers ...chan<- error) {
|
|
addOperationToQueue(repoIndexerOperation{repoID: repo.ID, deleted: true, watchers: watchers})
|
|
}
|
|
|
|
// UpdateRepoIndexer update a repository's entries in the indexer
|
|
func UpdateRepoIndexer(repo *models.Repository, watchers ...chan<- error) {
|
|
addOperationToQueue(repoIndexerOperation{repoID: repo.ID, deleted: false, watchers: watchers})
|
|
}
|
|
|
|
func addOperationToQueue(op repoIndexerOperation) {
|
|
if !setting.Indexer.RepoIndexerEnabled {
|
|
return
|
|
}
|
|
select {
|
|
case repoIndexerOperationQueue <- op:
|
|
break
|
|
default:
|
|
go func() {
|
|
repoIndexerOperationQueue <- op
|
|
}()
|
|
}
|
|
}
|
|
|
|
// populateRepoIndexer populate the repo indexer with pre-existing data. This
|
|
// should only be run when the indexer is created for the first time.
|
|
func populateRepoIndexer() {
|
|
log.Info("Populating the repo indexer with existing repositories")
|
|
|
|
isShutdown := graceful.GetManager().IsShutdown()
|
|
|
|
exist, err := models.IsTableNotEmpty("repository")
|
|
if err != nil {
|
|
log.Fatal("System error: %v", err)
|
|
} else if !exist {
|
|
return
|
|
}
|
|
|
|
// if there is any existing repo indexer metadata in the DB, delete it
|
|
// since we are starting afresh. Also, xorm requires deletes to have a
|
|
// condition, and we want to delete everything, thus 1=1.
|
|
if err := models.DeleteAllRecords("repo_indexer_status"); err != nil {
|
|
log.Fatal("System error: %v", err)
|
|
}
|
|
|
|
var maxRepoID int64
|
|
if maxRepoID, err = models.GetMaxID("repository"); err != nil {
|
|
log.Fatal("System error: %v", err)
|
|
}
|
|
|
|
// start with the maximum existing repo ID and work backwards, so that we
|
|
// don't include repos that are created after gitea starts; such repos will
|
|
// already be added to the indexer, and we don't need to add them again.
|
|
for maxRepoID > 0 {
|
|
select {
|
|
case <-isShutdown:
|
|
log.Info("Repository Indexer population shutdown before completion")
|
|
return
|
|
default:
|
|
}
|
|
ids, err := models.GetUnindexedRepos(models.RepoIndexerTypeCode, maxRepoID, 0, 50)
|
|
if err != nil {
|
|
log.Error("populateRepoIndexer: %v", err)
|
|
return
|
|
} else if len(ids) == 0 {
|
|
break
|
|
}
|
|
for _, id := range ids {
|
|
select {
|
|
case <-isShutdown:
|
|
log.Info("Repository Indexer population shutdown before completion")
|
|
return
|
|
default:
|
|
}
|
|
repoIndexerOperationQueue <- repoIndexerOperation{
|
|
repoID: id,
|
|
deleted: false,
|
|
}
|
|
maxRepoID = id - 1
|
|
}
|
|
}
|
|
log.Info("Done (re)populating the repo indexer with existing repositories")
|
|
}
|