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Add prometheus label "raft_cluster" to non-QQ raft metrics (backport #12148) #12216

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Sep 4, 2024
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Add prometheus label "raft_cluster" to non-QQ raft metrics (backport #12148) #12216

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13 changes: 13 additions & 0 deletions deps/rabbitmq_prometheus/src/collectors/prometheus_rabbitmq_core_metrics_collector.erl
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Original file line number Diff line number Diff line change
Expand Up @@ -640,6 +640,19 @@ get_data(Table, false, VHostsFilter) when Table == channel_exchange_metrics;
_ ->
[Result]
end;
get_data(ra_metrics = Table, true, _) ->
ets:foldl(
fun ({#resource{kind = queue}, _, _, _, _, _, _} = Row, Acc) ->
%% Metrics for QQ records use the queue resource as the table
%% key. The queue name and vhost will be rendered as tags.
[Row | Acc];
({ClusterName, _, _, _, _, _, _} = Row, Acc) when is_atom(ClusterName) ->
%% Other Ra clusters like Khepri and the stream coordinator use
%% the cluster name as the metrics key. Transform this into a
%% value that can be rendered as a "raft_cluster" tag.
Row1 = setelement(1, Row, #{<<"raft_cluster">> => atom_to_binary(ClusterName, utf8)}),
[Row1 | Acc]
end, [], Table);
get_data(exchange_metrics = Table, true, VHostsFilter) when is_map(VHostsFilter)->
ets:foldl(fun
({#resource{kind = exchange, virtual_host = VHost}, _, _, _, _, _} = Row, Acc) when
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