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Merged
merged 18 commits into from
Jul 24, 2025
Merged

Expose ra counters #13895

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a5b2b04
Add labels to seshat metrics
mkuratczyk May 15, 2025
bf3c54f
Make global counter compatible with new seshat
mkuratczyk May 16, 2025
1b99c95
Pass seshat labels as maps
mkuratczyk May 20, 2025
e02fd5e
Return Ra counters from /metrics/per-object
mkuratczyk May 20, 2025
3da7f79
Use maps for global metric labels
mkuratczyk May 21, 2025
edc3ff3
Rename raft_term_total -> raft_term
mkuratczyk May 21, 2025
3167ab6
Remove ra_metrics
mkuratczyk May 21, 2025
83b4a7b
Don't emit aggregated latency
mkuratczyk May 21, 2025
33e2403
Emit queue_identity from /metric when per-object enabed
mkuratczyk May 22, 2025
bc06ed1
Reorganize collector registrations
mkuratczyk May 22, 2025
2dfde63
Publish aggregated/per-object/detailed RAFT metrics
mkuratczyk May 22, 2025
1dae73e
Add more info to a test that flaked
mkuratczyk Jun 3, 2025
a61e991
seshat:overview/1 -> seshat:counters/1
mkuratczyk Jun 4, 2025
db5d048
[skip ci] update metrics.md
mkuratczyk Jun 5, 2025
4f8d22c
raft_metrics -> ra_metrics; correct prefix
mkuratczyk Jun 5, 2025
21211a6
Bump prometheus.erl, seshat, ra and osiris
mkuratczyk Jul 21, 2025
c604e91
formatting
mkuratczyk Jul 23, 2025
2ca30c5
[skip ci] formatting/typo
mkuratczyk Jul 24, 2025
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34 changes: 17 additions & 17 deletions deps/rabbit/src/rabbit_global_counters.erl
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Expand Up @@ -132,46 +132,46 @@
boot_step() ->
[begin
%% Protocol counters
Protocol = {protocol, Proto},
init([Protocol]),
Protocol = #{protocol => Proto},
init(Protocol),
rabbit_msg_size_metrics:init(Proto),

%% Protocol & Queue Type counters
init([Protocol, {queue_type, rabbit_classic_queue}]),
init([Protocol, {queue_type, rabbit_quorum_queue}]),
init([Protocol, {queue_type, rabbit_stream_queue}])
init(Protocol#{queue_type => rabbit_classic_queue}),
init(Protocol#{queue_type => rabbit_quorum_queue}),
init(Protocol#{queue_type => rabbit_stream_queue})
end || Proto <- [amqp091, amqp10]],

%% Dead Letter counters
%%
%% Streams never dead letter.
%%
%% Source classic queue dead letters.
init([{queue_type, rabbit_classic_queue}, {dead_letter_strategy, disabled}],
init(#{queue_type => rabbit_classic_queue, dead_letter_strategy => disabled},
[?MESSAGES_DEAD_LETTERED_MAXLEN_COUNTER,
?MESSAGES_DEAD_LETTERED_EXPIRED_COUNTER,
?MESSAGES_DEAD_LETTERED_REJECTED_COUNTER]),
init([{queue_type, rabbit_classic_queue}, {dead_letter_strategy, at_most_once}],
init(#{queue_type => rabbit_classic_queue, dead_letter_strategy => at_most_once},
[?MESSAGES_DEAD_LETTERED_MAXLEN_COUNTER,
?MESSAGES_DEAD_LETTERED_EXPIRED_COUNTER,
?MESSAGES_DEAD_LETTERED_REJECTED_COUNTER]),
%%
%% Source quorum queue dead letters.
%% Only quorum queues can dead letter due to delivery-limit exceeded.
%% Only quorum queues support dead letter strategy at-least-once.
init([{queue_type, rabbit_quorum_queue}, {dead_letter_strategy, disabled}],
init(#{queue_type => rabbit_quorum_queue, dead_letter_strategy => disabled},
[?MESSAGES_DEAD_LETTERED_MAXLEN_COUNTER,
?MESSAGES_DEAD_LETTERED_EXPIRED_COUNTER,
?MESSAGES_DEAD_LETTERED_REJECTED_COUNTER,
?MESSAGES_DEAD_LETTERED_DELIVERY_LIMIT_COUNTER
]),
init([{queue_type, rabbit_quorum_queue}, {dead_letter_strategy, at_most_once}],
init(#{queue_type => rabbit_quorum_queue, dead_letter_strategy => at_most_once},
[?MESSAGES_DEAD_LETTERED_MAXLEN_COUNTER,
?MESSAGES_DEAD_LETTERED_EXPIRED_COUNTER,
?MESSAGES_DEAD_LETTERED_REJECTED_COUNTER,
?MESSAGES_DEAD_LETTERED_DELIVERY_LIMIT_COUNTER
]),
init([{queue_type, rabbit_quorum_queue}, {dead_letter_strategy, at_least_once}],
init(#{queue_type => rabbit_quorum_queue, dead_letter_strategy => at_least_once},
[?MESSAGES_DEAD_LETTERED_CONFIRMED_COUNTER,
?MESSAGES_DEAD_LETTERED_EXPIRED_COUNTER,
?MESSAGES_DEAD_LETTERED_REJECTED_COUNTER,
Expand All @@ -181,21 +181,21 @@ boot_step() ->
init(Labels) ->
init(Labels, []).

init(Labels = [{protocol, Protocol}, {queue_type, QueueType}], Extra) ->
init(Labels = #{protocol := Protocol, queue_type := QueueType}, Extra) ->
_ = seshat:new_group(?MODULE),
Counters = seshat:new(?MODULE, Labels, ?PROTOCOL_QUEUE_TYPE_COUNTERS ++ Extra),
Counters = seshat:new(?MODULE, Labels, ?PROTOCOL_QUEUE_TYPE_COUNTERS ++ Extra, Labels),
persistent_term:put({?MODULE, Protocol, QueueType}, Counters);
init(Labels = [{protocol, Protocol}], Extra) ->
init(Labels = #{protocol := Protocol}, Extra) ->
_ = seshat:new_group(?MODULE),
Counters = seshat:new(?MODULE, Labels, ?PROTOCOL_COUNTERS ++ Extra),
Counters = seshat:new(?MODULE, Labels, ?PROTOCOL_COUNTERS ++ Extra, Labels),
persistent_term:put({?MODULE, Protocol}, Counters);
init(Labels = [{queue_type, QueueType}, {dead_letter_strategy, DLS}], DeadLetterCounters) ->
init(Labels = #{queue_type := QueueType, dead_letter_strategy := DLS}, DeadLetterCounters) ->
_ = seshat:new_group(?MODULE),
Counters = seshat:new(?MODULE, Labels, DeadLetterCounters),
Counters = seshat:new(?MODULE, Labels, DeadLetterCounters, Labels),
persistent_term:put({?MODULE, QueueType, DLS}, Counters).

overview() ->
seshat:overview(?MODULE).
seshat:counters(?MODULE).

prometheus_format() ->
seshat:format(?MODULE).
Expand Down
1 change: 1 addition & 0 deletions deps/rabbit/src/rabbit_khepri.erl
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Expand Up @@ -276,6 +276,7 @@ setup(_Context) ->
{default_ra_system, ?RA_SYSTEM}]}],
[{persistent, true}]),
RaServerConfig = #{cluster_name => ?RA_CLUSTER_NAME,
metrics_labels => #{ra_system => ?RA_SYSTEM, module => ?MODULE},
friendly_name => ?RA_FRIENDLY_NAME},
case khepri:start(?RA_SYSTEM, RaServerConfig) of
{ok, ?STORE_ID} ->
Expand Down
11 changes: 8 additions & 3 deletions deps/rabbit/src/rabbit_observer_cli_quorum_queues.erl
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Expand Up @@ -123,11 +123,11 @@ sheet_header() ->
sheet_body(PrevState) ->
{_, RaStates} = rabbit_quorum_queue:all_replica_states(),
Body = [begin
#resource{name = Name, virtual_host = Vhost} = R = amqqueue:get_name(Q),
#resource{name = Name, virtual_host = Vhost} = amqqueue:get_name(Q),
case rabbit_amqqueue:pid_of(Q) of
none ->
empty_row(Name);
{QName, _QNode} = _QQ ->
{QName, _QNode} = ServerId ->
case whereis(QName) of
undefined ->
empty_row(Name);
Expand All @@ -139,7 +139,12 @@ sheet_body(PrevState) ->
_ ->
QQCounters = maps:get({QName, node()}, ra_counters:overview()),
{ok, InternalName} = rabbit_queue_type_util:qname_to_internal_name(#resource{virtual_host = Vhost, name= Name}),
[{_, CT, SnapIdx, LA, CI, LW, CL}] = ets:lookup(ra_metrics, R),
#{snapshot_index := SnapIdx,
last_written_index := LW,
term := CT,
commit_latency := CL,
commit_index := CI,
last_applied := LA} = ra:key_metrics(ServerId),
[
Pid,
QName,
Expand Down
13 changes: 7 additions & 6 deletions deps/rabbit/src/rabbit_quorum_queue.erl
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Expand Up @@ -1598,12 +1598,10 @@ transfer_leadership(Q, Destination) ->
end.

queue_length(Q) ->
Name = amqqueue:get_name(Q),
case ets:lookup(ra_metrics, Name) of
[] -> 0;
[{_, _, SnapIdx, _, _, LastIdx, _}] ->
LastIdx - SnapIdx
end.
ServerId = amqqueue:get_pid(Q),
#{snapshot_index := SnapIdx,
last_written_index := LastIdx} = key_metrics_rpc(ServerId),
LastIdx - SnapIdx.

get_replicas(Q) ->
get_nodes(Q).
Expand Down Expand Up @@ -1985,6 +1983,7 @@ make_ra_conf(Q, ServerId, TickTimeout,
SnapshotInterval, CheckpointInterval,
Membership, MacVersion) ->
QName = amqqueue:get_name(Q),
#resource{name = QNameBin} = QName,
RaMachine = ra_machine(Q),
[{ClusterName, _} | _] = Members = members(Q),
UId = ra:new_uid(ra_lib:to_binary(ClusterName)),
Expand All @@ -2000,6 +1999,8 @@ make_ra_conf(Q, ServerId, TickTimeout,
uid => UId,
friendly_name => FName,
metrics_key => QName,
metrics_labels => #{vhost => amqqueue:get_vhost(Q),
queue => QNameBin},
initial_members => Members,
log_init_args => LogCfg,
tick_timeout => TickTimeout,
Expand Down
1 change: 1 addition & 0 deletions deps/rabbit/src/rabbit_stream_coordinator.erl
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Expand Up @@ -1349,6 +1349,7 @@ make_ra_conf(Node, Nodes, MinMacVersion) ->
uid => UId,
friendly_name => atom_to_list(?MODULE),
metrics_key => ?MODULE,
metrics_labels => #{ra_system => ?RA_SYSTEM, module => ?MODULE},
initial_members => Members,
log_init_args => #{uid => UId},
tick_timeout => TickTimeout,
Expand Down
6 changes: 3 additions & 3 deletions deps/rabbit/test/amqp_client_SUITE.erl
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Expand Up @@ -6967,11 +6967,11 @@ formatted_state(Pid) ->
proplists:get_value("State", L2).

get_global_counters(Config) ->
get_global_counters0(Config, [{protocol, amqp10}]).
get_global_counters0(Config, #{protocol => amqp10}).

get_global_counters(Config, QType) ->
get_global_counters0(Config, [{protocol, amqp10},
{queue_type, QType}]).
get_global_counters0(Config, #{protocol => amqp10,
queue_type => QType}).

get_global_counters0(Config, Key) ->
Overview = rpc(Config, rabbit_global_counters, overview, []),
Expand Down
2 changes: 1 addition & 1 deletion deps/rabbit/test/dead_lettering_SUITE.erl
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Expand Up @@ -1936,7 +1936,7 @@ counted(Metric, Config) ->
metric(QueueType, Strategy, Metric, OldCounters).

metric(QueueType, Strategy, Metric, Counters) ->
Metrics = maps:get([{queue_type, QueueType}, {dead_letter_strategy, Strategy}], Counters),
Metrics = maps:get(#{queue_type => QueueType, dead_letter_strategy => Strategy}, Counters),
maps:get(Metric, Metrics).

group_name(Config) ->
Expand Down
6 changes: 3 additions & 3 deletions deps/rabbit/test/queue_type_SUITE.erl
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Expand Up @@ -162,7 +162,7 @@ smoke(Config) ->
ok = publish_and_confirm(Ch, <<"non-existent_queue">>, <<"msg4">>),
ConsumerTag3 = <<"ctag3">>,
ok = subscribe(Ch, QName, ConsumerTag3),
ProtocolCounters = maps:get([{protocol, amqp091}], get_global_counters(Config)),
ProtocolCounters = maps:get(#{protocol => amqp091}, get_global_counters(Config)),
?assertEqual(#{
messages_confirmed_total => 4,
messages_received_confirm_total => 4,
Expand All @@ -177,7 +177,7 @@ smoke(Config) ->
"rabbit_" ++
binary_to_list(?config(queue_type, Config)) ++
"_queue"),
ProtocolQueueTypeCounters = maps:get([{protocol, amqp091}, {queue_type, QueueType}],
ProtocolQueueTypeCounters = maps:get(#{protocol => amqp091, queue_type => QueueType},
get_global_counters(Config)),
?assertEqual(#{
messages_acknowledged_total => 3,
Expand All @@ -196,7 +196,7 @@ smoke(Config) ->
?assertMatch(
#{consumers := 0,
publishers := 0},
maps:get([{protocol, amqp091}], get_global_counters(Config))),
maps:get(#{protocol => amqp091}, get_global_counters(Config))),

ok.

Expand Down
3 changes: 3 additions & 0 deletions deps/rabbit/test/quorum_queue_SUITE.erl
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Expand Up @@ -3145,6 +3145,9 @@ reconnect_consumer_and_wait_channel_down(Config) ->
{#'basic.deliver'{redelivered = false}, _} ->
wait_for_messages_ready(Servers, RaName, 0),
wait_for_messages_pending_ack(Servers, RaName, 1)
after 30000 ->
flush(1),
exit(basic_deliver_timeout)
end,
Up = [Leader, F2],
rabbit_ct_broker_helpers:block_traffic_between(F1, Leader),
Expand Down
2 changes: 1 addition & 1 deletion deps/rabbit/test/rabbit_fifo_dlx_integration_SUITE.erl
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Expand Up @@ -991,5 +991,5 @@ counted(Metric, Config) ->
metric(Metric, OldCounters).

metric(Metric, Counters) ->
Metrics = maps:get([{queue_type, rabbit_quorum_queue}, {dead_letter_strategy, at_least_once}], Counters),
Metrics = maps:get(#{queue_type => rabbit_quorum_queue, dead_letter_strategy => at_least_once}, Counters),
maps:get(Metric, Metrics).
34 changes: 17 additions & 17 deletions deps/rabbitmq_management_agent/src/rabbit_mgmt_external_stats.erl
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Expand Up @@ -267,20 +267,8 @@ i(context_switches, State) ->
{Sw, 0} = erlang:statistics(context_switches),
{State, Sw};
i(ra_open_file_metrics, State) ->
{State, [{ra_log_wal, ra_metrics(ra_log_wal)},
{ra_log_segment_writer, ra_metrics(ra_log_segment_writer)}]}.

ra_metrics(K) ->
try
case ets:lookup(ra_open_file_metrics, whereis(K)) of
[] -> 0;
[{_, C}] -> C
end
catch
error:badarg ->
%% On startup the mgmt might start before ra does
0
end.
{State, [{ra_log_wal, 0},
{ra_log_segment_writer, 0}]}.

resource_alarm_set(Source) ->
lists:member({{resource_limit, Source, node()},[]},
Expand Down Expand Up @@ -421,7 +409,7 @@ update_state(State0) ->
get_fhc_stats() ->
dict:to_list(dict:merge(fun(_, V1, V2) -> V1 + V2 end,
dict:from_list(zero_fhc_stats()),
dict:from_list(get_ra_io_metrics()))).
dict:from_list(get_zero_ra_io_metrics()))).

zero_fhc_stats() ->
[{{Op, Counter}, 0} || Op <- [io_read, io_write],
Expand All @@ -435,5 +423,17 @@ zero_fhc_stats() ->
queue_index_write, queue_index_read],
Counter <- [count]].

get_ra_io_metrics() ->
lists:sort(ets:tab2list(ra_io_metrics)).
get_zero_ra_io_metrics() ->
%% not tracked anymore
[{{io_file_handle_open_attempt,count},0},
{{io_file_handle_open_attempt,time},0},
{{io_read,bytes},0},
{{io_read,count},0},
{{io_read,time},0},
{{io_seek,count},0},
{{io_seek,time},0},
{{io_sync,count},0},
{{io_sync,time},0},
{{io_write,bytes},0},
{{io_write,count},0},
{{io_write,time},0}].
12 changes: 6 additions & 6 deletions deps/rabbitmq_mqtt/src/rabbit_mqtt.erl
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Expand Up @@ -80,15 +80,15 @@ init_global_counters() ->
lists:foreach(fun init_global_counters/1, [?MQTT_PROTO_V3,
?MQTT_PROTO_V4,
?MQTT_PROTO_V5]),
rabbit_global_counters:init([{queue_type, ?QUEUE_TYPE_QOS_0}, {dead_letter_strategy, disabled}],
rabbit_global_counters:init(#{queue_type => ?QUEUE_TYPE_QOS_0, dead_letter_strategy => disabled},
[?MESSAGES_DEAD_LETTERED_MAXLEN_COUNTER]).

init_global_counters(ProtoVer) ->
Proto = {protocol, ProtoVer},
rabbit_global_counters:init([Proto]),
rabbit_global_counters:init([Proto, {queue_type, rabbit_classic_queue}]),
rabbit_global_counters:init([Proto, {queue_type, rabbit_quorum_queue}]),
rabbit_global_counters:init([Proto, {queue_type, ?QUEUE_TYPE_QOS_0}]),
Proto = #{protocol => ProtoVer},
rabbit_global_counters:init(Proto),
rabbit_global_counters:init(Proto#{queue_type => rabbit_classic_queue}),
rabbit_global_counters:init(Proto#{queue_type => rabbit_quorum_queue}),
rabbit_global_counters:init(Proto#{queue_type => ?QUEUE_TYPE_QOS_0}),
rabbit_msg_size_metrics:init(ProtoVer).

persist_static_configuration() ->
Expand Down
4 changes: 2 additions & 2 deletions deps/rabbitmq_mqtt/test/mqtt_shared_SUITE.erl
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Expand Up @@ -715,7 +715,7 @@ global_counters(Config) ->
messages_delivered_get_manual_ack_total => 0,
messages_get_empty_total => 0,
messages_redelivered_total => 0},
get_global_counters(Config, ProtoVer, 0, [{queue_type, rabbit_classic_queue}])),
get_global_counters(Config, ProtoVer, 0, #{queue_type => rabbit_classic_queue})),
?assertEqual(#{messages_delivered_total => 1,
messages_acknowledged_total => 0,
messages_delivered_consume_auto_ack_total => 1,
Expand All @@ -724,7 +724,7 @@ global_counters(Config) ->
messages_delivered_get_manual_ack_total => 0,
messages_get_empty_total => 0,
messages_redelivered_total => 0},
get_global_counters(Config, ProtoVer, 0, [{queue_type, rabbit_mqtt_qos0_queue}])),
get_global_counters(Config, ProtoVer, 0, #{queue_type => rabbit_mqtt_qos0_queue})),

{ok, _, _} = emqtt:unsubscribe(C, Topic1),
?assertEqual(1, maps:get(consumers, get_global_counters(Config, ProtoVer))),
Expand Down
8 changes: 4 additions & 4 deletions deps/rabbitmq_mqtt/test/reader_SUITE.erl
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Expand Up @@ -261,11 +261,11 @@ rabbit_mqtt_qos0_queue_overflow(Config) ->
QType = rabbit_mqtt_qos0_queue,

#{
[{protocol, ProtoVer}, {queue_type, QType}] :=
#{protocol => ProtoVer, queue_type => QType} :=
#{messages_delivered_total := 0,
messages_delivered_consume_auto_ack_total := 0},

[{queue_type, QType}, {dead_letter_strategy, disabled}] :=
#{queue_type => QType, dead_letter_strategy => disabled} :=
#{messages_dead_lettered_maxlen_total := NumDeadLettered}
} = rabbit_ct_broker_helpers:rpc(Config, rabbit_global_counters, overview, []),

Expand Down Expand Up @@ -320,11 +320,11 @@ rabbit_mqtt_qos0_queue_overflow(Config) ->
ExpectedNumDeadLettered = NumDeadLettered + NumDropped,
?assertMatch(
#{
[{protocol, ProtoVer}, {queue_type, QType}] :=
#{protocol => ProtoVer, queue_type => QType} :=
#{messages_delivered_total := NumReceived,
messages_delivered_consume_auto_ack_total := NumReceived},

[{queue_type, QType}, {dead_letter_strategy, disabled}] :=
#{queue_type => QType, dead_letter_strategy => disabled} :=
#{messages_dead_lettered_maxlen_total := ExpectedNumDeadLettered}
},
rabbit_ct_broker_helpers:rpc(Config, rabbit_global_counters, overview, [])),
Expand Down
20 changes: 10 additions & 10 deletions deps/rabbitmq_mqtt/test/util.erl
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Expand Up @@ -77,16 +77,16 @@ get_global_counters(Config, ProtoVer) ->
get_global_counters(Config, ProtoVer, 0).

get_global_counters(Config, ProtoVer, Node) ->
get_global_counters(Config, ProtoVer, Node, []).

get_global_counters(Config, v3, Node, QType) ->
get_global_counters(Config, ?MQTT_PROTO_V3, Node, QType);
get_global_counters(Config, v4, Node, QType) ->
get_global_counters(Config, ?MQTT_PROTO_V4, Node, QType);
get_global_counters(Config, v5, Node, QType) ->
get_global_counters(Config, ?MQTT_PROTO_V5, Node, QType);
get_global_counters(Config, Proto, Node, QType) ->
maps:get([{protocol, Proto}] ++ QType,
get_global_counters(Config, ProtoVer, Node, #{}).

get_global_counters(Config, v3, Node, Labels) ->
get_global_counters(Config, ?MQTT_PROTO_V3, Node, Labels);
get_global_counters(Config, v4, Node, Labels) ->
get_global_counters(Config, ?MQTT_PROTO_V4, Node, Labels);
get_global_counters(Config, v5, Node, Labels) ->
get_global_counters(Config, ?MQTT_PROTO_V5, Node, Labels);
get_global_counters(Config, Proto, Node, Labels) ->
maps:get(Labels#{protocol => Proto},
rabbit_ct_broker_helpers:rpc(Config, Node, rabbit_global_counters, overview, [])).

get_events(Node) ->
Expand Down
2 changes: 1 addition & 1 deletion deps/rabbitmq_mqtt/test/v5_SUITE.erl
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Expand Up @@ -2196,7 +2196,7 @@ dead_letter_metric(Metric, Config) ->

dead_letter_metric(Metric, Config, Strategy) ->
Counters = rpc(Config, rabbit_global_counters, overview, []),
Map = maps:get([{queue_type, rabbit_classic_queue}, {dead_letter_strategy, Strategy}], Counters),
Map = maps:get(#{queue_type => rabbit_classic_queue, dead_letter_strategy => Strategy}, Counters),
maps:get(Metric, Map).

assert_nothing_received() ->
Expand Down
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