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Add queue for code indexer (#10332)

Browse source 
* Add queue for code indexer

* Fix lint

* Fix test

* Fix lint

* Fix bug

* Fix bug

* Fix lint

* Add noqueue

* Fix tests

* Rename noqueue to immediate
This commit is contained in:
Lunny Xiao 2020-09-07 23:05:08 +08:00 committed by GitHub
parent a722dd72db
commit 91e7ad569a
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
10 changed files with 233 additions and 171 deletions
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3
integrations/mssql.ini.tmpl
View file

@ -14,6 +14,9 @@ ISSUE_INDEXER_PATH = integrations/indexers-mssql/issues.bleve
REPO_INDEXER_ENABLED = true
REPO_INDEXER_PATH = integrations/indexers-mssql/repos.bleve
[queue.code_indexer]
TYPE = immediate
[repository]
ROOT = {{REPO_TEST_DIR}}integrations/gitea-integration-mssql/gitea-repositories

3
integrations/mysql.ini.tmpl
View file

@ -16,6 +16,9 @@ ISSUE_INDEXER_PATH = integrations/indexers-mysql/issues.bleve
REPO_INDEXER_ENABLED = true
REPO_INDEXER_PATH = integrations/indexers-mysql/repos.bleve
[queue.code_indexer]
TYPE = immediate
[repository]
ROOT = {{REPO_TEST_DIR}}integrations/gitea-integration-mysql/gitea-repositories

3
integrations/mysql8.ini.tmpl
View file

@ -14,6 +14,9 @@ ISSUE_INDEXER_PATH = integrations/indexers-mysql8/issues.bleve
REPO_INDEXER_ENABLED = true
REPO_INDEXER_PATH = integrations/indexers-mysql8/repos.bleve
[queue.code_indexer]
TYPE = immediate
[repository]
ROOT = {{REPO_TEST_DIR}}integrations/gitea-integration-mysql8/gitea-repositories

3
integrations/pgsql.ini.tmpl
View file

@ -15,6 +15,9 @@ ISSUE_INDEXER_PATH = integrations/indexers-pgsql/issues.bleve
REPO_INDEXER_ENABLED = true
REPO_INDEXER_PATH = integrations/indexers-pgsql/repos.bleve
[queue.code_indexer]
TYPE = immediate
[repository]
ROOT = {{REPO_TEST_DIR}}integrations/gitea-integration-pgsql/gitea-repositories

13
integrations/repo_search_test.go
View file

@ -7,7 +7,6 @@ package integrations
import (
"net/http"
"testing"
"time"
"code.gitea.io/gitea/models"
code_indexer "code.gitea.io/gitea/modules/indexer/code"
@ -62,14 +61,6 @@ func testSearch(t *testing.T, url string, expected []string) {
assert.EqualValues(t, expected, filenames)
}
func executeIndexer(t *testing.T, repo *models.Repository, op func(*models.Repository, ...chan<- error)) {
waiter := make(chan error, 1)
op(repo, waiter)
select {
case err := <-waiter:
assert.NoError(t, err)
case <-time.After(1 * time.Minute):
assert.Fail(t, "Repository indexer took too long")
}
func executeIndexer(t *testing.T, repo *models.Repository, op func(*models.Repository)) {
op(repo)
}

3
integrations/sqlite.ini.tmpl
View file

@ -10,6 +10,9 @@ ISSUE_INDEXER_PATH = integrations/indexers-sqlite/issues.bleve
REPO_INDEXER_ENABLED = true
REPO_INDEXER_PATH = integrations/indexers-sqlite/repos.bleve
[queue.code_indexer]
TYPE = immediate
[repository]
ROOT = {{REPO_TEST_DIR}}integrations/gitea-integration-sqlite/gitea-repositories

5
modules/indexer/code/elastic_search.go
View file

@ -168,6 +168,11 @@ func (b *ElasticSearchIndexer) init() (bool, error) {
}
func (b *ElasticSearchIndexer) addUpdate(sha string, update fileUpdate, repo *models.Repository) ([]elastic.BulkableRequest, error) {
// Ignore vendored files in code search
if setting.Indexer.ExcludeVendored && enry.IsVendor(update.Filename) {
return nil, nil
}
stdout, err := git.NewCommand("cat-file", "-s", update.BlobSha).
RunInDir(repo.RepoPath())
if err != nil {

158
modules/indexer/code/indexer.go
View file

@ -14,6 +14,7 @@ import (
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/graceful"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/queue"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/timeutil"
)
@ -38,7 +39,7 @@ type SearchResultLanguages struct {
Count int
}
// Indexer defines an interface to indexer issues contents
// Indexer defines an interface to index and search code contents
type Indexer interface {
Index(repo *models.Repository, sha string, changes *repoChanges) error
Delete(repoID int64) error
@ -67,6 +68,40 @@ func filenameOfIndexerID(indexerID string) string {
return indexerID[index+1:]
}
// IndexerData represents data stored in the code indexer
type IndexerData struct {
RepoID int64
IsDelete bool
}
var (
indexerQueue queue.Queue
)
func index(indexer Indexer, repoID int64) error {
repo, err := models.GetRepositoryByID(repoID)
if err != nil {
return err
}
sha, err := getDefaultBranchSha(repo)
if err != nil {
return err
}
changes, err := getRepoChanges(repo, sha)
if err != nil {
return err
} else if changes == nil {
return nil
}
if err := indexer.Index(repo, sha, changes); err != nil {
return err
}
return repo.UpdateIndexerStatus(models.RepoIndexerTypeCode, sha)
}
// Init initialize the repo indexer
func Init() {
if !setting.Indexer.RepoIndexerEnabled {
@ -74,8 +109,6 @@ func Init() {
return
}
initQueue(setting.Indexer.UpdateQueueLength)
ctx, cancel := context.WithCancel(context.Background())
graceful.GetManager().RunAtTerminate(ctx, func() {
@ -85,6 +118,46 @@ func Init() {
})
waitChannel := make(chan time.Duration)
// Create the Queue
switch setting.Indexer.RepoType {
case "bleve", "elasticsearch":
handler := func(data ...queue.Data) {
idx, err := indexer.get()
if idx == nil || err != nil {
log.Error("Codes indexer handler: unable to get indexer!")
return
}
for _, datum := range data {
indexerData, ok := datum.(*IndexerData)
if !ok {
log.Error("Unable to process provided datum: %v - not possible to cast to IndexerData", datum)
continue
}
log.Trace("IndexerData Process: %v %t", indexerData.RepoID, indexerData.IsDelete)
if indexerData.IsDelete {
if err := indexer.Delete(indexerData.RepoID); err != nil {
log.Error("indexer.Delete: %v", err)
}
} else {
if err := index(indexer, indexerData.RepoID); err != nil {
log.Error("index: %v", err)
continue
}
}
}
}
indexerQueue = queue.CreateQueue("code_indexer", handler, &IndexerData{})
if indexerQueue == nil {
log.Fatal("Unable to create codes indexer queue")
}
default:
log.Fatal("Unknown codes indexer type; %s", setting.Indexer.RepoType)
}
go func() {
start := time.Now()
var (
@ -139,10 +212,11 @@ func Init() {
indexer.set(rIndexer)
go processRepoIndexerOperationQueue(indexer)
// Start processing the queue
go graceful.GetManager().RunWithShutdownFns(indexerQueue.Run)
if populate {
go populateRepoIndexer()
go graceful.GetManager().RunWithShutdownContext(populateRepoIndexer)
}
select {
case waitChannel <- time.Since(start):
@ -179,3 +253,77 @@ func Init() {
}()
}
}
// DeleteRepoFromIndexer remove all of a repository's entries from the indexer
func DeleteRepoFromIndexer(repo *models.Repository) {
indexData := &IndexerData{RepoID: repo.ID, IsDelete: true}
if err := indexerQueue.Push(indexData); err != nil {
log.Error("Delete repo index data %v failed: %v", indexData, err)
}
}
// UpdateRepoIndexer update a repository's entries in the indexer
func UpdateRepoIndexer(repo *models.Repository) {
indexData := &IndexerData{RepoID: repo.ID}
if err := indexerQueue.Push(indexData); err != nil {
log.Error("Update repo index data %v failed: %v", indexData, err)
}
}
// 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 indexer with existing repositories")
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 <-ctx.Done():
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 <-ctx.Done():
log.Info("Repository Indexer population shutdown before completion")
return
default:
}
if err := indexerQueue.Push(&IndexerData{RepoID: id}); err != nil {
log.Error("indexerQueue.Push: %v", err)
return
}
maxRepoID = id - 1
}
}
log.Info("Done (re)populating the repo indexer with existing repositories")
}

154
modules/indexer/code/queue.go
View file

@ -1,154 +0,0 @@
// 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"
)
type repoIndexerOperation struct {
repoID int64
deleted bool
watchers []chan<- error
}
var repoIndexerOperationQueue chan repoIndexerOperation
func initQueue(queueLength int) {
repoIndexerOperationQueue = make(chan repoIndexerOperation, queueLength)
}
func index(indexer Indexer, repoID int64) error {
repo, err := models.GetRepositoryByID(repoID)
if err != nil {
return err
}
sha, err := getDefaultBranchSha(repo)
if err != nil {
return err
}
changes, err := getRepoChanges(repo, sha)
if err != nil {
return err
} else if changes == nil {
return nil
}
if err := indexer.Index(repo, sha, changes); err != nil {
return err
}
return repo.UpdateIndexerStatus(models.RepoIndexerTypeCode, sha)
}
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 = index(indexer, 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) {
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")
}

59
modules/queue/queue.go
View file

@ -106,7 +106,64 @@ func (*DummyQueue) IsEmpty() bool {
return true
}
var queuesMap = map[Type]NewQueueFunc{DummyQueueType: NewDummyQueue}
// ImmediateType is the type to execute the function when push
const ImmediateType Type = "immediate"
// NewImmediate creates a new false queue to execute the function when push
func NewImmediate(handler HandlerFunc, opts, exemplar interface{}) (Queue, error) {
return &Immediate{
handler: handler,
}, nil
}
// Immediate represents an direct execution queue
type Immediate struct {
handler HandlerFunc
}
// Run does nothing
func (*Immediate) Run(_, _ func(context.Context, func())) {}
// Push fakes a push of data to the queue
func (q *Immediate) Push(data Data) error {
return q.PushFunc(data, nil)
}
// PushFunc fakes a push of data to the queue with a function. The function is never run.
func (q *Immediate) PushFunc(data Data, f func() error) error {
if f != nil {
if err := f(); err != nil {
return err
}
}
q.handler(data)
return nil
}
// Has always returns false as this queue never does anything
func (*Immediate) Has(Data) (bool, error) {
return false, nil
}
// Flush always returns nil
func (*Immediate) Flush(time.Duration) error {
return nil
}
// FlushWithContext always returns nil
func (*Immediate) FlushWithContext(context.Context) error {
return nil
}
// IsEmpty asserts that the queue is empty
func (*Immediate) IsEmpty() bool {
return true
}
var queuesMap = map[Type]NewQueueFunc{
DummyQueueType: NewDummyQueue,
ImmediateType: NewImmediate,
}
// RegisteredTypes provides the list of requested types of queues
func RegisteredTypes() []Type {