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// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package elasticsearch
import (
"context"
"fmt"
"time"
"code.gitea.io/gitea/modules/log"
"github.com/olivere/elastic/v7"
)
// VersionedIndexName returns the full index name with version
func (i *Indexer) VersionedIndexName() string {
return versionedIndexName(i.indexName, i.version)
}
func versionedIndexName(indexName string, version int) string {
if version == 0 {
// Old index name without version
return indexName
}
return fmt.Sprintf("%s.v%d", indexName, version)
}
func (i *Indexer) createIndex(ctx context.Context) error {
createIndex, err := i.Client.CreateIndex(i.VersionedIndexName()).BodyString(i.mapping).Do(ctx)
if err != nil {
return err
}
if !createIndex.Acknowledged {
return fmt.Errorf("create index %s with %s failed", i.VersionedIndexName(), i.mapping)
}
i.checkOldIndexes(ctx)
return nil
}
func (i *Indexer) initClient() (*elastic.Client, error) {
opts := []elastic.ClientOptionFunc{
elastic.SetURL(i.url),
elastic.SetSniff(false),
elastic.SetHealthcheckInterval(10 * time.Second),
elastic.SetGzip(false),
}
logger := log.GetLogger(log.DEFAULT)
opts = append(opts, elastic.SetTraceLog(&log.PrintfLogger{Logf: logger.Trace}))
opts = append(opts, elastic.SetInfoLog(&log.PrintfLogger{Logf: logger.Info}))
opts = append(opts, elastic.SetErrorLog(&log.PrintfLogger{Logf: logger.Error}))
return elastic.NewClient(opts...)
}
func (i *Indexer) checkOldIndexes(ctx context.Context) {
for v := 0; v < i.version; v++ {
indexName := versionedIndexName(i.indexName, v)
exists, err := i.Client.IndexExists(indexName).Do(ctx)
if err == nil && exists {
log.Warn("Found older elasticsearch index named %q, Forgejo will keep the old NOT DELETED. You can delete the old version after the upgrade succeed.", indexName)
}
}
}
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