opsx
cddd60045c
旧回退链(lokistack.json → opsxloki.json → lokideploy.json)会永远沿用旧文件名, 旧品牌残留一直不消;现在首次从旧文件成功加载后立即原子写入 lokistack.json, 旧文件改名 .migrated-*.bak 留档(不删数据),新旧并存或写失败时退回旧路径安全运行。
58 lines
1.7 KiB
Go
58 lines
1.7 KiB
Go
package repository
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import (
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"os"
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"path/filepath"
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"strings"
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"testing"
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)
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// TestMigrateLegacyDataFile 首次从历史命名(opsxloki.json)加载后必须升级到 lokistack.json:
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// 新文件出现且内容完整,旧文件改名留档(不删数据)。
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func TestMigrateLegacyDataFile(t *testing.T) {
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dir := t.TempDir()
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legacy := filepath.Join(dir, "opsxloki.json")
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seed := `{"schemaVersion":10,"users":[{"id":1,"username":"admin"}],"clusters":[],"hosts":[],"storages":[],"deployments":[],"collectors":[],"logs":[],"settings":[],"logSources":[],"alertRules":[],"alertDeliveries":[],"notifyChannels":[],"logPolicyGroups":[],"auditLogs":[],"dailyVolumeSnapshots":[]}`
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if err := os.WriteFile(legacy, []byte(seed), 0o600); err != nil {
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t.Fatal(err)
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}
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d := &JsonDB{dataFile: legacy}
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d.loadFromDisk()
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d.migrateLegacyDataFile()
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// 新文件存在且包含原有数据
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content, err := os.ReadFile(filepath.Join(dir, "lokistack.json"))
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if err != nil {
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t.Fatalf("未生成 lokistack.json: %v", err)
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}
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if !strings.Contains(string(content), `"admin"`) {
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t.Fatalf("迁移后数据不完整: %s", content[:min(len(content), 120)])
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}
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// 旧文件被改名留档,原内容不丢
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entries, _ := os.ReadDir(dir)
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backedUp := false
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for _, e := range entries {
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if strings.HasPrefix(e.Name(), "opsxloki.json.migrated-") {
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kept, _ := os.ReadFile(filepath.Join(dir, e.Name()))
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if string(kept) == seed {
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backedUp = true
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}
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}
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}
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if !backedUp {
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t.Fatalf("旧文件未留档或内容被改动: %v", entries)
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}
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// dataFile 已切到新路径
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if filepath.Base(d.dataFile) != "lokistack.json" {
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t.Fatalf("dataFile 未切换: %s", d.dataFile)
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}
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}
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func min(a, b int) int {
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if a < b {
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return a
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}
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return b
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}
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