From 1e9ebd8399542a1d34c7a8600b4309b4b0599e3a Mon Sep 17 00:00:00 2001
From: Lois Soto Lopez <lois@84codes.com>
Date: Tue, 24 Sep 2024 10:27:36 +0200
Subject: [PATCH] Add specific label clause for Q+Exchange resource

---
 .../prometheus_rabbitmq_core_metrics_collector.erl         | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/deps/rabbitmq_prometheus/src/collectors/prometheus_rabbitmq_core_metrics_collector.erl b/deps/rabbitmq_prometheus/src/collectors/prometheus_rabbitmq_core_metrics_collector.erl
index 0e4ed2c1294c..8c8ef2656377 100644
--- a/deps/rabbitmq_prometheus/src/collectors/prometheus_rabbitmq_core_metrics_collector.erl
+++ b/deps/rabbitmq_prometheus/src/collectors/prometheus_rabbitmq_core_metrics_collector.erl
@@ -489,6 +489,13 @@ label({RemoteAddress, Username, Protocol}) when is_binary(RemoteAddress), is_bin
                          V =/= <<>>
                  end, [{remote_address, RemoteAddress}, {username, Username},
                        {protocol, atom_to_binary(Protocol, utf8)}]);
+label({
+    #resource{kind=queue, virtual_host=VHost, name=QName},
+    #resource{kind=exchange, name=ExName}
+ }) ->
+    <<"vhost=\"", (escape_label_value(VHost))/binary, "\",",
+      "exchange=\"", (escape_label_value(ExName))/binary, "\",",
+      "queue=\"", (escape_label_value(QName))/binary, "\"">>;
 label({I1, I2}) ->
     case {label(I1), label(I2)} of
         {<<>>, L} -> L;