初始提交: Gitea 项目代码

modules/indexer/internal/elasticsearch/util.go

@@ -0,0 +1,34 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package elasticsearch
+
+import (
+	"context"
+	"fmt"
+
+	"gitea.dev/modules/log"
+)
+
+// VersionedIndexName returns the full index name with version suffix.
+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) checkOldIndexes(ctx context.Context) {
+	for v := range i.version {
+		indexName := versionedIndexName(i.indexName, v)
+		exists, err := i.indexExists(ctx, indexName)
+		if err == nil && exists {
+			log.Warn("Found older elasticsearch index named %q, Gitea will keep the old NOT DELETED. You can delete the old version after the upgrade succeed.", indexName)
+		}
+	}
+}