From 5c3ccc4608dfc166862f1a6081a913154b851121 Mon Sep 17 00:00:00 2001
From: Michael Klishin <michaelklishin@icloud.com>
Date: Sun, 24 Nov 2024 19:14:51 -0500
Subject: [PATCH] GET /api/overview: format cluster and node tag lists as maps

Empty proplists will be serialized to JSON as arrays,
which they arguably are, and HTTP API clients
expect a regardless of collection size.

References #12552 #12699
---
 deps/rabbitmq_management/src/rabbit_mgmt_wm_overview.erl | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/deps/rabbitmq_management/src/rabbit_mgmt_wm_overview.erl b/deps/rabbitmq_management/src/rabbit_mgmt_wm_overview.erl
index 01aed81584de..5af3fbdd133f 100644
--- a/deps/rabbitmq_management/src/rabbit_mgmt_wm_overview.erl
+++ b/deps/rabbitmq_management/src/rabbit_mgmt_wm_overview.erl
@@ -185,11 +185,13 @@ transform_retention_intervals([{MaxAgeInSeconds, _}|Rest], Acc) ->
     transform_retention_intervals(Rest, [AccVal|Acc]).
 
 cluster_tags() ->
-    case rabbit_runtime_parameters:value_global(cluster_tags) of
+    Val = case rabbit_runtime_parameters:value_global(cluster_tags) of
         not_found ->
             [];
         Tags -> Tags
-    end.
+    end,
+    rabbit_data_coercion:to_map(Val).
 
 node_tags() ->
-    application:get_env(rabbit, node_tags, []).
+    Val = application:get_env(rabbit, node_tags, []),
+    rabbit_data_coercion:to_map(Val).