abcfa53040
Drops `github.com/olivere/elastic/v7` (unmaintained) and replaces it
with a small in-house wrapper that speaks the Elasticsearch REST API
directly via `net/http`. The subset used by Gitea (`_cluster/health`,
`_bulk`, `_doc`, `_delete_by_query`, `_refresh`, `_search`, `HEAD`/`PUT`
index) is stable across the targeted servers, so no client library is
needed.
**Targets tested**
- Elasticsearch 7, 8, 9
- OpenSearch 1, 2, 3
**Why not `go-elasticsearch`?**
The official client enforces an `X-Elastic-Product` server-identity
check that OpenSearch deliberately fails, which would force shipping a
transport shim to defeat it. Going direct over `net/http` removes that
fight along with several MB of transitive deps (`elastic-transport-go`,
`go.opentelemetry.io/otel{,/metric,/trace}`, `auto/sdk`, `easyjson`,
`intern`, `logr`, `stdr`).
Replaces: #30755
Fixes: https://github.com/go-gitea/gitea/issues/30752
---
This PR was written with the help of Claude Opus 4.7
---------
Co-authored-by: Claude (Opus 4.7) <noreply@anthropic.com>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package elasticsearch
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import (
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"fmt"
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"net/http"
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"net/url"
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"os"
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"testing"
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"time"
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"code.gitea.io/gitea/modules/indexer/issues/internal/tests"
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"github.com/stretchr/testify/require"
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)
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func TestElasticsearchIndexer(t *testing.T) {
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// The elasticsearch instance started by pull-db-tests.yml > test-unit > services > elasticsearch
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rawURL := "http://elastic:changeme@elasticsearch:9200"
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if os.Getenv("CI") == "" {
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// Make it possible to run tests against a local elasticsearch instance
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rawURL = os.Getenv("TEST_ELASTICSEARCH_URL")
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if rawURL == "" {
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t.Skip("TEST_ELASTICSEARCH_URL not set and not running in CI")
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return
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}
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}
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// Go's net/http does not auto-attach URL userinfo as Basic Auth, so extract
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// it and set the header explicitly; otherwise auth-enforced clusters answer
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// 401 and the probe never reports ready.
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parsed, err := url.Parse(rawURL)
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require.NoError(t, err)
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user := parsed.User
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parsed.User = nil
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probeURL := parsed.String()
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require.Eventually(t, func() bool {
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req, err := http.NewRequest(http.MethodGet, probeURL, nil)
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if err != nil {
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return false
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}
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if user != nil {
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pass, _ := user.Password()
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req.SetBasicAuth(user.Username(), pass)
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}
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resp, err := http.DefaultClient.Do(req)
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if err != nil {
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return false
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}
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defer resp.Body.Close()
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return resp.StatusCode == http.StatusOK
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}, time.Minute, time.Second, "Expected elasticsearch to be up")
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indexer := NewIndexer(rawURL, fmt.Sprintf("test_elasticsearch_indexer_%d", time.Now().Unix()))
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defer indexer.Close()
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tests.TestIndexer(t, indexer)
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}
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