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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(per_vhost_connection_limit_partitions_SUITE).
-include_lib("common_test/include/ct.hrl").
-include_lib("amqp_client/include/amqp_client.hrl").
-include_lib("eunit/include/eunit.hrl").
-compile(export_all).
-import(rabbit_ct_client_helpers, [open_unmanaged_connection/2,
open_unmanaged_connection/3]).
all() ->
[
{group, net_ticktime_1}
].
groups() ->
[
{net_ticktime_1, [], [
cluster_full_partition_with_autoheal
]}
].
suite() ->
[
%% If a test hangs, no need to wait for 30 minutes.
{timetrap, {minutes, 8}}
].
%% see partitions_SUITE
-define(DELAY, 12000).
%% -------------------------------------------------------------------
%% Testsuite setup/teardown.
%% -------------------------------------------------------------------
init_per_suite(Config) ->
rabbit_ct_helpers:log_environment(),
rabbit_ct_helpers:run_setup_steps(Config, [
fun rabbit_ct_broker_helpers:configure_dist_proxy/1
]).
end_per_suite(Config) ->
rabbit_ct_helpers:run_teardown_steps(Config).
init_per_group(net_ticktime_1 = Group, Config) ->
Config1 = rabbit_ct_helpers:set_config(Config, [{net_ticktime, 1}]),
init_per_multinode_group(Group, Config1, 3).
init_per_multinode_group(_Group, Config, NodeCount) ->
Suffix = rabbit_ct_helpers:testcase_absname(Config, "", "-"),
Config1 = rabbit_ct_helpers:set_config(Config, [
{rmq_nodes_count, NodeCount},
{rmq_nodename_suffix, Suffix}
]),
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.
%% -------------------------------------------------------------------
cluster_full_partition_with_autoheal(Config) ->
VHost = <<"/">>,
rabbit_ct_broker_helpers:set_partition_handling_mode_globally(Config, autoheal),
?assertEqual(0, count_connections_in(Config, VHost)),
[A, B, C] = rabbit_ct_broker_helpers:get_node_configs(Config, nodename),
%% 6 connections, 2 per node
Conn1 = open_unmanaged_connection(Config, A),
Conn2 = open_unmanaged_connection(Config, A),
Conn3 = open_unmanaged_connection(Config, B),
Conn4 = open_unmanaged_connection(Config, B),
Conn5 = open_unmanaged_connection(Config, C),
Conn6 = open_unmanaged_connection(Config, C),
wait_for_count_connections_in(Config, VHost, 6, 60000),
%% B drops off the network, non-reachable by either A or C
rabbit_ct_broker_helpers:block_traffic_between(A, B),
rabbit_ct_broker_helpers:block_traffic_between(B, C),
timer:sleep(?DELAY),
%% A and C are still connected, so 4 connections are tracked
wait_for_count_connections_in(Config, VHost, 4, 60000),
rabbit_ct_broker_helpers:allow_traffic_between(A, B),
rabbit_ct_broker_helpers:allow_traffic_between(B, C),
timer:sleep(?DELAY),
%% during autoheal B's connections were dropped
wait_for_count_connections_in(Config, VHost, 4, 60000),
lists:foreach(fun (Conn) ->
(catch rabbit_ct_client_helpers:close_connection(Conn))
end, [Conn1, Conn2, Conn3, Conn4,
Conn5, Conn6]),
passed.
%% -------------------------------------------------------------------
%% Helpers
%% -------------------------------------------------------------------
wait_for_count_connections_in(Config, VHost, Expected, Time) when Time =< 0 ->
?assertMatch(Connections when length(Connections) == Expected,
connections_in(Config, VHost));
wait_for_count_connections_in(Config, VHost, Expected, Time) ->
case connections_in(Config, VHost) of
Connections when length(Connections) == Expected ->
ok;
_ ->
Sleep = 3000,
timer:sleep(Sleep),
wait_for_count_connections_in(Config, VHost, Expected, Time - Sleep)
end.
count_connections_in(Config, VHost) ->
count_connections_in(Config, VHost, 0).
count_connections_in(Config, VHost, NodeIndex) ->
rabbit_ct_broker_helpers:rpc(Config, NodeIndex,
rabbit_connection_tracking,
count_tracked_items_in, [{vhost, VHost}]).
connections_in(Config, VHost) ->
connections_in(Config, 0, VHost).
connections_in(Config, NodeIndex, VHost) ->
rabbit_ct_broker_helpers:rpc(Config, NodeIndex,
rabbit_connection_tracking,
list, [VHost]).
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