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Close #10345. Add promtheus_rabbitmq_federation_collector.
rabbitmq_federation_links gauge metric with status lable.
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45 changes: 45 additions & 0 deletions
45
deps/rabbitmq_prometheus/src/collectors/prometheus_rabbitmq_federation_collector.erl
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| @@ -0,0 +1,45 @@ | ||
| %% This Source Code Form is subject to the terms of the Mozilla Public | ||
| %% License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| %% file, You can obtain one at https://mozilla.org/MPL/2.0/. | ||
| %% | ||
| %% Copyright (c) 2007-2023 Broadcom. All Rights Reserved. The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. All rights reserved. | ||
| %% | ||
| -module(prometheus_rabbitmq_federation_collector). | ||
| -export([deregister_cleanup/1, | ||
| collect_mf/2]). | ||
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| -import(prometheus_model_helpers, [create_mf/4]). | ||
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| -behaviour(prometheus_collector). | ||
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| -define(METRICS, [{rabbitmq_federation_links, gauge, | ||
| "Current number of federation links."}, | ||
| ]). | ||
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| %% API exports | ||
| -export([]). | ||
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| %%==================================================================== | ||
| %% Collector API | ||
| %%==================================================================== | ||
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| deregister_cleanup(_) -> ok. | ||
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| collect_mf(_Registry, Callback) -> | ||
| Status = rabbit_federation_status:status(500), | ||
| StatusGroups = lists:foldl(fun(S, Acc) -> | ||
| %% note Init value set to 1 because if status seen first time | ||
| %% update with will take Init and put into Acc, wuthout calling fun | ||
| maps:update_with(proplists:get_value(status, S), fun(C) -> C + 1 end, 1, Acc) | ||
| end, #{}, Status), | ||
| Metrics = [{rabbitmq_federation_links, gauge, "Current number of federation links.", | ||
| [{[{status, S}], C} || {S, C} <- maps:to_list(StatusGroups)]}], | ||
| [add_metric_family(Metric, Callback) || Metric <- Metrics], | ||
| ok. | ||
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| add_metric_family({Name, Type, Help, Metrics}, Callback) -> | ||
| Callback(create_mf(Name, Help, Type, Metrics)). | ||
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| %%==================================================================== | ||
| %% Private Parts | ||
| %%==================================================================== |
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91 changes: 91 additions & 0 deletions
91
deps/rabbitmq_prometheus/test/prometheus_rabbitmq_federation_collector_SUITE.erl
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,91 @@ | ||
| %% This Source Code Form is subject to the terms of the Mozilla Public | ||
| %% License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| %% file, You can obtain one at https://mozilla.org/MPL/2.0/. | ||
| %% | ||
| %% Copyright (c) 2007-2024 Broadcom. All Rights Reserved. The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. All rights reserved. | ||
| %% | ||
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| -module(prometheus_rabbitmq_federation_collector_SUITE). | ||
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| -include_lib("common_test/include/ct.hrl"). | ||
| -include_lib("amqp_client/include/amqp_client.hrl"). | ||
| -include_lib("prometheus/include/prometheus_model.hrl"). | ||
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| -compile(export_all). | ||
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| -import(rabbit_federation_test_util, | ||
| [expect/3, expect_empty/2, | ||
| set_upstream/4, clear_upstream/3, set_upstream_set/4, | ||
| set_policy/5, clear_policy/3, | ||
| set_policy_upstream/5, set_policy_upstreams/4, | ||
| no_plugins/1, with_ch/3, q/2]). | ||
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| all() -> | ||
| [ | ||
| {group, non_parallel_tests} | ||
| ]. | ||
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| groups() -> | ||
| [ | ||
| {non_parallel_tests, [], [ | ||
| queue_status | ||
| ]} | ||
| ]. | ||
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| suite() -> | ||
| [{timetrap, {minutes, 5}}]. | ||
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| %% ------------------------------------------------------------------- | ||
| %% Testsuite setup/teardown. | ||
| %% ------------------------------------------------------------------- | ||
| init_per_suite(Config) -> | ||
| rabbit_ct_helpers:log_environment(), | ||
| Config1 = rabbit_ct_helpers:set_config(Config, [ | ||
| {rmq_nodename_suffix, ?MODULE} | ||
| ]), | ||
| rabbit_ct_helpers:run_setup_steps(Config1, | ||
| rabbit_ct_broker_helpers:setup_steps() ++ | ||
| rabbit_ct_client_helpers:setup_steps() ++ | ||
| [fun rabbit_federation_test_util:setup_federation/1]). | ||
| end_per_suite(Config) -> | ||
| rabbit_ct_helpers:run_teardown_steps(Config, | ||
| rabbit_ct_client_helpers:teardown_steps() ++ | ||
| rabbit_ct_broker_helpers:teardown_steps()). | ||
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| init_per_group(_, Config) -> | ||
| Config. | ||
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| end_per_group(_, Config) -> | ||
| Config. | ||
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| init_per_testcase(Testcase, Config) -> | ||
| rabbit_ct_helpers:testcase_started(Config, Testcase). | ||
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| end_per_testcase(Testcase, Config) -> | ||
| rabbit_ct_helpers:testcase_finished(Config, Testcase). | ||
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| %% ------------------------------------------------------------------- | ||
| %% Test cases | ||
| %% ------------------------------------------------------------------- | ||
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| queue_status(Config) -> | ||
| with_ch( | ||
| Config, | ||
| fun (_Ch) -> | ||
| timer:sleep(3000), | ||
| [Link] = rabbit_ct_broker_helpers:rpc(Config, 0, | ||
| rabbit_federation_status, status, []), | ||
| true = is_binary(proplists:get_value(id, Link)), | ||
| MFs = rabbit_ct_broker_helpers:rpc(Config, 0, | ||
| rabbitmq_prometheus_collector_test_proxy, collect_mf, | ||
| [default, prometheus_rabbitmq_federation_collector]), | ||
| [#'MetricFamily'{name = <<"rabbitmq_federation_links">>, | ||
| help = "Current number of federation links.", | ||
| type = 'GAUGE', | ||
| metric = [#'Metric'{label = [#'LabelPair'{name = <<"status">>, | ||
| value = <<"running">>}], | ||
| gauge = #'Gauge'{value = 1}}]}] = MFs | ||
| end, upstream_downstream()). | ||
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| upstream_downstream() -> | ||
| [q(<<"upstream">>, undefined), q(<<"fed.downstream">>, undefined)]. |
12 changes: 12 additions & 0 deletions
12
deps/rabbitmq_prometheus/test/rabbitmq_prometheus_collector_test_proxy.erl
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,12 @@ | ||
| -module(rabbitmq_prometheus_collector_test_proxy). | ||
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| -export([collect_mf/2]). | ||
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| -define(PD_KEY, metric_families). | ||
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| collect_mf(Registry, Collector) -> | ||
| put(?PD_KEY, []), | ||
| Collector:collect_mf(Registry, fun(MF) -> put(?PD_KEY, [MF | get(?PD_KEY)]) end), | ||
| MFs = lists:reverse(get(?PD_KEY)), | ||
| erase(?PD_KEY), | ||
| MFs. |
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