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// Copyright 2020 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package stats
import (
"context"
"code.gitea.io/gitea/models/db"
repo_model "code.gitea.io/gitea/models/repo"
"code.gitea.io/gitea/modules/graceful"
"code.gitea.io/gitea/modules/log"
)
// Indexer defines an interface to index repository stats
// TODO: this indexer is quite different from the others, maybe this package should be moved out from module/indexer
type Indexer interface {
Index(id int64) error
Close()
}
// indexer represents a indexer instance
var indexer Indexer
// Init initialize the repo indexer
func Init() error {
indexer = &DBIndexer{}
if err := initStatsQueue(); err != nil {
return err
}
go populateRepoIndexer(db.DefaultContext)
return nil
}
// 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(ctx context.Context) {
log.Info("Populating the repo stats indexer with existing repositories")
isShutdown := graceful.GetManager().IsShutdown()
exist, err := db.IsTableNotEmpty("repository")
if err != nil {
log.Fatal("System error: %v", err)
} else if !exist {
return
}
var maxRepoID int64
if maxRepoID, err = db.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 Stats Indexer population shutdown before completion")
return
default:
}
ids, err := repo_model.GetUnindexedRepos(ctx, repo_model.RepoIndexerTypeStats, 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 Stats Indexer population shutdown before completion")
return
default:
}
if err := statsQueue.Push(id); err != nil {
log.Error("statsQueue.Push: %v", err)
}
maxRepoID = id - 1
}
}
log.Info("Done (re)populating the repo stats indexer with existing repositories")
}
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