From 22f19ee550964d9797aff0c2bafd53ba7461d91b Mon Sep 17 00:00:00 2001
From: emilylange <git@emilylange.de>
Date: Mon, 8 Jul 2024 00:30:17 +0200
Subject: [PATCH] grafana-agent: set `hostname` label on all metrics

This is handy to quickly see all metrics exported by a node, without
having to mangle with the already existing `instance` label.

`hostname` is essentially a variant of `instance` but without ports.
---
 services/monitoring/agent.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/services/monitoring/agent.nix b/services/monitoring/agent.nix
index dd1e95f..3fc2e0d 100644
--- a/services/monitoring/agent.nix
+++ b/services/monitoring/agent.nix
@@ -41,6 +41,7 @@ in
               };
             }
           ];
+          global.external_labels.hostname = config.networking.hostName;
           configs = [
             {
               name = config.networking.hostName;