riak_test/tests/verify_down.erl
2012-10-10 15:14:06 -07:00

68 lines
2.5 KiB
Erlang

%% -------------------------------------------------------------------
%%
%% Copyright (c) 2012 Basho Technologies, Inc.
%%
%% This file is provided to you under the Apache License,
%% Version 2.0 (the "License"); you may not use this file
%% except in compliance with the License. You may obtain
%% a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing,
%% software distributed under the License is distributed on an
%% "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
%% KIND, either express or implied. See the License for the
%% specific language governing permissions and limitations
%% under the License.
%%
%% -------------------------------------------------------------------
-module(verify_down).
-export([confirm/0]).
-include_lib("eunit/include/eunit.hrl").
confirm() ->
Nodes = rt:deploy_nodes(3),
[Node1, Node2, Node3] = Nodes,
%% Join node2 to node1 and wait for cluster convergence
lager:info("Join ~p to ~p", [Node2, Node1]),
rt:join(Node2, Node1),
?assertEqual(ok, rt:wait_until_nodes_ready([Node1, Node2])),
?assertEqual(ok, rt:wait_until_no_pending_changes([Node1, Node2])),
%% Shutdown node2
lager:info("Stopping ~p", [Node2]),
rt:stop(Node2),
?assertEqual(ok, rt:wait_until_unpingable(Node2)),
Remaining = Nodes -- [Node2],
%% Join node3 to node1
lager:info("Join ~p to ~p", [Node3, Node1]),
rt:join(Node3, Node1),
?assertEqual(ok, rt:wait_until_all_members(Remaining, [Node3])),
%% Ensure node3 remains in the joining state
lager:info("Ensure ~p remains in the joining state", [Node3]),
[?assertEqual(joining, rt:status_of_according_to(Node3, Node)) || Node <- Remaining],
%% Mark node2 as down and wait for ring convergence
lager:info("Mark ~p as down", [Node2]),
rt:down(Node1, Node2),
?assertEqual(ok, rt:wait_until_ring_converged(Remaining)),
[?assertEqual(down, rt:status_of_according_to(Node2, Node)) || Node <- Remaining],
%% Ensure node3 is now valid
[?assertEqual(valid, rt:status_of_according_to(Node3, Node)) || Node <- Remaining],
%% Restart node2 and wait for ring convergence
lager:info("Restart ~p and wait for ring convergence", [Node2]),
rt:start(Node2),
?assertEqual(ok, rt:wait_until_nodes_ready([Node2])),
?assertEqual(ok, rt:wait_until_ring_converged(Nodes)),
%% Verify that all three nodes are ready
lager:info("Ensure all nodes are ready"),
?assertEqual(ok, rt:wait_until_nodes_ready(Nodes)),
pass.