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%% 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) 2011-2020 VMware, Inc. or its affiliates. All rights reserved.
%%
-module(unit_vm_memory_monitor_SUITE).
-include_lib("common_test/include/ct.hrl").
-include_lib("eunit/include/eunit.hrl").
-compile(export_all).
all() ->
[
{group, sequential_tests}
].
groups() ->
[
{sequential_tests, [], [
parse_line_linux,
set_vm_memory_high_watermark_command
]}
].
%% -------------------------------------------------------------------
%% Testsuite setup/teardown
%% -------------------------------------------------------------------
init_per_suite(Config) ->
rabbit_ct_helpers:log_environment(),
rabbit_ct_helpers:run_setup_steps(Config).
end_per_suite(Config) ->
rabbit_ct_helpers:run_teardown_steps(Config).
init_per_group(Group, Config) ->
Config1 = rabbit_ct_helpers:set_config(Config, [
{rmq_nodename_suffix, Group},
{rmq_nodes_count, 1}
]),
rabbit_ct_helpers:run_steps(Config1,
rabbit_ct_broker_helpers:setup_steps() ++
rabbit_ct_client_helpers:setup_steps()).
end_per_group(_Group, Config) ->
rabbit_ct_helpers:run_steps(Config,
rabbit_ct_client_helpers:teardown_steps() ++
rabbit_ct_broker_helpers:teardown_steps()).
init_per_testcase(Testcase, Config) ->
rabbit_ct_helpers:testcase_started(Config, Testcase).
end_per_testcase(Testcase, Config) ->
rabbit_ct_helpers:testcase_finished(Config, Testcase).
%% -------------------------------------------------------------------
%% Test cases
%% -------------------------------------------------------------------
parse_line_linux(_Config) ->
lists:foreach(fun ({S, {K, V}}) ->
{K, V} = vm_memory_monitor:parse_line_linux(S)
end,
[{"MemTotal: 0 kB", {'MemTotal', 0}},
{"MemTotal: 502968 kB ", {'MemTotal', 515039232}},
{"MemFree: 178232 kB", {'MemFree', 182509568}},
{"MemTotal: 50296888", {'MemTotal', 50296888}},
{"MemTotal 502968 kB", {'MemTotal', 515039232}},
{"MemTotal 50296866 ", {'MemTotal', 50296866}}]),
ok.
set_vm_memory_high_watermark_command(Config) ->
rabbit_ct_broker_helpers:rpc(Config, 0,
?MODULE, set_vm_memory_high_watermark_command1, [Config]).
set_vm_memory_high_watermark_command1(_Config) ->
MemLimitRatio = 1.0,
MemTotal = vm_memory_monitor:get_total_memory(),
vm_memory_monitor:set_vm_memory_high_watermark(MemLimitRatio),
MemLimit = vm_memory_monitor:get_memory_limit(),
case MemLimit of
MemTotal -> ok;
_ -> MemTotalToMemLimitRatio = MemLimit * 100.0 / MemTotal / 100,
ct:fail(
"Expected memory high watermark to be ~p (~s), but it was ~p (~.1f)",
[MemTotal, MemLimitRatio, MemLimit, MemTotalToMemLimitRatio]
)
end.
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