From 96b5c5c4dcaaf81f697e7aefb2d96126f521a12c 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 7ad2cfa0b..9088cea2f 100644
--- a/src/features/device-logs/lib/backends/loki.ts
+++ b/src/features/device-logs/lib/backends/loki.ts
@@ -379,6 +379,7 @@ export class LokiBackend implements DeviceLogsBackend {
 		ctx: LogContext,
 		logs: Array<DeviceLog & { version?: number }>,
 	) {
+		const structuredMetadata = this.getStructuredMetadata(ctx);
 		return logs.map((log) => {
 			const timestamp = new loki.Timestamp();
 			timestamp.setSeconds(Math.floor(Number(log.nanoTimestamp / 1000000000n)));
@@ -388,7 +389,6 @@ 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)