forked from gitea/gitea
89 lines
2.3 KiB
Go
89 lines
2.3 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package stats
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import (
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"context"
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"code.gitea.io/gitea/models/db"
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repo_model "code.gitea.io/gitea/models/repo"
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"code.gitea.io/gitea/modules/graceful"
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"code.gitea.io/gitea/modules/log"
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)
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// Indexer defines an interface to index repository stats
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// TODO: this indexer is quite different from the others, maybe this package should be moved out from module/indexer
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type Indexer interface {
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Index(id int64) error
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Close()
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}
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// indexer represents a indexer instance
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var indexer Indexer
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// Init initialize the repo indexer
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func Init() error {
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indexer = &DBIndexer{}
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if err := initStatsQueue(); err != nil {
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return err
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}
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go populateRepoIndexer(db.DefaultContext)
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return nil
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}
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// populateRepoIndexer populate the repo indexer with pre-existing data. This
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// should only be run when the indexer is created for the first time.
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func populateRepoIndexer(ctx context.Context) {
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log.Info("Populating the repo stats indexer with existing repositories")
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isShutdown := graceful.GetManager().IsShutdown()
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exist, err := db.IsTableNotEmpty("repository")
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if err != nil {
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log.Fatal("System error: %v", err)
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} else if !exist {
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return
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}
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var maxRepoID int64
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if maxRepoID, err = db.GetMaxID("repository"); err != nil {
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log.Fatal("System error: %v", err)
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}
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// start with the maximum existing repo ID and work backwards, so that we
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// don't include repos that are created after gitea starts; such repos will
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// already be added to the indexer, and we don't need to add them again.
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for maxRepoID > 0 {
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select {
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case <-isShutdown:
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log.Info("Repository Stats Indexer population shutdown before completion")
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return
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default:
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}
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ids, err := repo_model.GetUnindexedRepos(ctx, repo_model.RepoIndexerTypeStats, maxRepoID, 0, 50)
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if err != nil {
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log.Error("populateRepoIndexer: %v", err)
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return
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} else if len(ids) == 0 {
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break
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}
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for _, id := range ids {
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select {
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case <-isShutdown:
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log.Info("Repository Stats Indexer population shutdown before completion")
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return
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default:
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}
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if err := statsQueue.Push(id); err != nil {
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log.Error("statsQueue.Push: %v", err)
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}
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maxRepoID = id - 1
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}
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}
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log.Info("Done (re)populating the repo stats indexer with existing repositories")
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}
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