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Test single slave restart after forget_cluster_nodes in offline mode #1215

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Merged
merged 2 commits into from
May 9, 2017
Merged

Test single slave restart after forget_cluster_nodes in offline mode #1215

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503cc9f
Test single slave restart after forget_cluster_nodes in offline mode
dcorbacho May 8, 2017
407a349
Minor naming improvement
michaelklishin May 9, 2017
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46 changes: 45 additions & 1 deletion test/dynamic_ha_SUITE.erl
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Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,8 @@ groups() ->
{cluster_size_3, [], [
change_policy,
rapid_change,
nodes_policy_should_pick_master_from_its_params
nodes_policy_should_pick_master_from_its_params,
promote_slave_after_standalone_restart
% FIXME: Re-enable those tests when the know issues are
% fixed.
% failing_random_policies,
Expand Down Expand Up @@ -319,6 +320,45 @@ failing_random_policies(Config) ->
[all, undefined, {exactly, 2}, all, {exactly, 3}, {exactly, 3},
undefined, {exactly, 3}, all])).

promote_slave_after_standalone_restart(Config) ->
%% Tests that slaves can be brought up standalone after forgetting the rest
%% of the cluster. Slave ordering should be irrelevant.
%% https://github.com/rabbitmq/rabbitmq-server/issues/1213
[A, B, C] = rabbit_ct_broker_helpers:get_node_configs(Config, nodename),
Ch = rabbit_ct_client_helpers:open_channel(Config, A),

rabbit_ct_broker_helpers:set_ha_policy(Config, A, ?POLICY, <<"all">>),
amqp_channel:call(Ch, #'queue.declare'{queue = ?QNAME,
durable = true}),

rabbit_ct_client_helpers:publish(Ch, ?QNAME, 15),
rabbit_ct_client_helpers:close_channel(Ch),

timer:sleep(500),
15 = proplists:get_value(messages, find_queue(?QNAME, A)),

rabbit_ct_broker_helpers:stop_node(Config, C),
rabbit_ct_broker_helpers:stop_node(Config, B),
rabbit_ct_broker_helpers:stop_node(Config, A),

%% Restart one slave
forget_cluster_node(Config, B, C),
forget_cluster_node(Config, B, A),

ok = rabbit_ct_broker_helpers:start_node(Config, B),
15 = proplists:get_value(messages, find_queue(?QNAME, B)),
ok = rabbit_ct_broker_helpers:stop_node(Config, B),

%% Restart the other
forget_cluster_node(Config, C, B),
forget_cluster_node(Config, C, A),

ok = rabbit_ct_broker_helpers:start_node(Config, C),
15 = proplists:get_value(messages, find_queue(?QNAME, C)),
ok = rabbit_ct_broker_helpers:stop_node(Config, C),

ok.

%%----------------------------------------------------------------------------

assert_slaves(RPCNode, QName, Exp) ->
Expand Down Expand Up @@ -528,3 +568,7 @@ apply_policy(Config, N, {exactly, Exactly}) ->
rabbit_ct_broker_helpers:set_ha_policy(
Config, N, ?POLICY, {<<"exactly">>, Exactly},
[{<<"ha-sync-mode">>, <<"automatic">>}]).

forget_cluster_node(Config, Node, NodeToRemove) ->
rabbit_ct_broker_helpers:rabbitmqctl(
Config, Node, ["forget_cluster_node", "--offline", NodeToRemove]).