From e91957af56b08f8ea7a567c2d6f2720cd462e6e7 Mon Sep 17 00:00:00 2001
From: Pagan Gazzard <page@balena.io>
Date: Fri, 20 Dec 2024 18:02:45 +0000
Subject: [PATCH] Loki: reduce unnecessary recreation of structured metadata

Change-type: patch
---
 src/features/device-logs/lib/backends/loki.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/features/device-logs/lib/backends/loki.ts b/src/features/device-logs/lib/backends/loki.ts
index f4f9fa5a5..3f80d25c1 100644
--- a/src/features/device-logs/lib/backends/loki.ts
+++ b/src/features/device-logs/lib/backends/loki.ts
@@ -398,6 +398,7 @@ export class LokiBackend implements DeviceLogsBackend {
 		ctx: LogContext,
 		logs: Array<DeviceLog & { version?: number }>,
 	) {
+		const structuredMetadata = this.getStructuredMetadata(ctx);
 		return logs.map((log) => {
 			this.validateLog(log);
 			const timestamp = new loki.Timestamp();
@@ -408,7 +409,6 @@ export class LokiBackend implements DeviceLogsBackend {
 				{ ...log, version: VERSION },
 				omitNanoTimestamp,
 			);
-			const structuredMetadata = this.getStructuredMetadata(ctx);
 			// create entry with labels, line and timestamp
 			return new loki.EntryAdapter()
 				.setLine(logJson)