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Refactor `modules/indexer` to make it more maintainable. And it can be easier to support more features. I'm trying to solve some of issue searching, this is a precursor to making functional changes. Current supported engines and the index versions: | engines | issues | code | | - | - | - | | db | Just a wrapper for database queries, doesn't need version | - | | bleve | The version of index is **2** | The version of index is **6** | | elasticsearch | The old index has no version, will be treated as version **0** in this PR | The version of index is **1** | | meilisearch | The old index has no version, will be treated as version **0** in this PR | - | ## Changes ### Split Splited it into mutiple packages ```text indexer ├── internal │ ├── bleve │ ├── db │ ├── elasticsearch │ └── meilisearch ├── code │ ├── bleve │ ├── elasticsearch │ └── internal └── issues ├── bleve ├── db ├── elasticsearch ├── internal └── meilisearch ``` - `indexer/interanal`: Internal shared package for indexer. - `indexer/interanal/[engine]`: Internal shared package for each engine (bleve/db/elasticsearch/meilisearch). - `indexer/code`: Implementations for code indexer. - `indexer/code/internal`: Internal shared package for code indexer. - `indexer/code/[engine]`: Implementation via each engine for code indexer. - `indexer/issues`: Implementations for issues indexer. ### Deduplication - Combine `Init/Ping/Close` for code indexer and issues indexer. - ~Combine `issues.indexerHolder` and `code.wrappedIndexer` to `internal.IndexHolder`.~ Remove it, use dummy indexer instead when the indexer is not ready. - Duplicate two copies of creating ES clients. - Duplicate two copies of `indexerID()`. ### Enhancement - [x] Support index version for elasticsearch issues indexer, the old index without version will be treated as version 0. - [x] Fix spell of `elastic_search/ElasticSearch`, it should be `Elasticsearch`. - [x] Improve versioning of ES index. We don't need `Aliases`: - Gitea does't need aliases for "Zero Downtime" because it never delete old indexes. - The old code of issues indexer uses the orignal name to create issue index, so it's tricky to convert it to an alias. - [x] Support index version for meilisearch issues indexer, the old index without version will be treated as version 0. - [x] Do "ping" only when `Ping` has been called, don't ping periodically and cache the status. - [x] Support the context parameter whenever possible. - [x] Fix outdated example config. - [x] Give up the requeue logic of issues indexer: When indexing fails, call Ping to check if it was caused by the engine being unavailable, and only requeue the task if the engine is unavailable. - It is fragile and tricky, could cause data losing (It did happen when I was doing some tests for this PR). And it works for ES only. - Just always requeue the failed task, if it caused by bad data, it's a bug of Gitea which should be fixed. --------- Co-authored-by: Giteabot <teabot@gitea.io>
92 lines
2.5 KiB
Go
92 lines
2.5 KiB
Go
// Copyright 2019 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package issues
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import (
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"context"
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"path"
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"path/filepath"
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"testing"
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"time"
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"code.gitea.io/gitea/models/unittest"
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"code.gitea.io/gitea/modules/indexer/issues/bleve"
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"code.gitea.io/gitea/modules/setting"
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_ "code.gitea.io/gitea/models"
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"github.com/stretchr/testify/assert"
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)
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func TestMain(m *testing.M) {
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unittest.MainTest(m, &unittest.TestOptions{
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GiteaRootPath: filepath.Join("..", "..", ".."),
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})
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}
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func TestBleveSearchIssues(t *testing.T) {
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assert.NoError(t, unittest.PrepareTestDatabase())
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setting.CfgProvider, _ = setting.NewConfigProviderFromData("")
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tmpIndexerDir := t.TempDir()
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setting.CfgProvider.Section("queue.issue_indexer").Key("DATADIR").MustString(path.Join(tmpIndexerDir, "issues.queue"))
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oldIssuePath := setting.Indexer.IssuePath
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setting.Indexer.IssuePath = path.Join(tmpIndexerDir, "issues.queue")
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defer func() {
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setting.Indexer.IssuePath = oldIssuePath
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}()
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setting.Indexer.IssueType = "bleve"
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setting.LoadQueueSettings()
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InitIssueIndexer(true)
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defer func() {
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if bleveIndexer, ok := (*globalIndexer.Load()).(*bleve.Indexer); ok {
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bleveIndexer.Close()
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}
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}()
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time.Sleep(5 * time.Second)
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ids, err := SearchIssuesByKeyword(context.TODO(), []int64{1}, "issue2")
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assert.NoError(t, err)
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assert.EqualValues(t, []int64{2}, ids)
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ids, err = SearchIssuesByKeyword(context.TODO(), []int64{1}, "first")
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assert.NoError(t, err)
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assert.EqualValues(t, []int64{1}, ids)
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ids, err = SearchIssuesByKeyword(context.TODO(), []int64{1}, "for")
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assert.NoError(t, err)
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assert.ElementsMatch(t, []int64{1, 2, 3, 5, 11}, ids)
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ids, err = SearchIssuesByKeyword(context.TODO(), []int64{1}, "good")
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assert.NoError(t, err)
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assert.EqualValues(t, []int64{1}, ids)
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}
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func TestDBSearchIssues(t *testing.T) {
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assert.NoError(t, unittest.PrepareTestDatabase())
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setting.Indexer.IssueType = "db"
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InitIssueIndexer(true)
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ids, err := SearchIssuesByKeyword(context.TODO(), []int64{1}, "issue2")
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assert.NoError(t, err)
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assert.EqualValues(t, []int64{2}, ids)
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ids, err = SearchIssuesByKeyword(context.TODO(), []int64{1}, "first")
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assert.NoError(t, err)
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assert.EqualValues(t, []int64{1}, ids)
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ids, err = SearchIssuesByKeyword(context.TODO(), []int64{1}, "for")
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assert.NoError(t, err)
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assert.ElementsMatch(t, []int64{1, 2, 3, 5, 11}, ids)
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ids, err = SearchIssuesByKeyword(context.TODO(), []int64{1}, "good")
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assert.NoError(t, err)
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assert.EqualValues(t, []int64{1}, ids)
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}
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