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https://github.com/valitydev/riak_test.git
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ab5a4a6e4a
Add ensemble_basic4, ensemble_sync, and ensemble_interleave tests. ensemble_sync tests the new AAE-based peer syncing logic. The test checks various scenarios with different levels of data corruption. ensemble_interleave tests a specific scenario where two peers become corrupted one after the other. This tests the scenario where the second peer becomes untrusted while the first peer may be syncing with it.
128 lines
4.8 KiB
Erlang
128 lines
4.8 KiB
Erlang
%% -------------------------------------------------------------------
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%%
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%% Copyright (c) 2013-2014 Basho Technologies, Inc.
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%%
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%% This file is provided to you under the Apache License,
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%% Version 2.0 (the "License"); you may not use this file
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%% except in compliance with the License. You may obtain
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%% a copy of the License at
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%%
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%% http://www.apache.org/licenses/LICENSE-2.0
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%%
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%% Unless required by applicable law or agreed to in writing,
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%% software distributed under the License is distributed on an
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%% "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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%% KIND, either express or implied. See the License for the
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%% specific language governing permissions and limitations
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%% under the License.
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%%
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%% -------------------------------------------------------------------
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-module(ensemble_sync).
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-export([confirm/0]).
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-include_lib("eunit/include/eunit.hrl").
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confirm() ->
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NVal = 5,
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Config = ensemble_util:fast_config(NVal),
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Nodes = ensemble_util:build_cluster(8, Config, NVal),
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Node = hd(Nodes),
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vnode_util:load(Nodes),
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lager:info("Creating/activating 'strong' bucket type"),
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rt:create_and_activate_bucket_type(Node, <<"strong">>,
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[{consistent, true}, {n_val, NVal}]),
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ensemble_util:wait_until_stable(Node, NVal),
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ExpectOkay = [ok],
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ExpectTimeout = [{error, timeout}, {error, <<"timeout">>} | ExpectOkay],
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ExpectFail = [{error, notfound} | ExpectTimeout],
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Scenarios = [%% corrupted, suspended, valid, empty, bucket, expect
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{1, 1, 1, 2, <<"test1">>, ExpectOkay},
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{1, 2, 0, 2, <<"test2">>, ExpectTimeout},
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{2, 1, 0, 2, <<"test3">>, ExpectTimeout},
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{3, 0, 0, 2, <<"test4">>, ExpectFail}
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],
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[ok = run_scenario(Nodes, NVal, Scenario) || Scenario <- Scenarios],
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pass.
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run_scenario(Nodes, NVal, {NumKill, NumSuspend, NumValid, _, Name, Expect}) ->
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Node = hd(Nodes),
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Quorum = NVal div 2 + 1,
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Bucket = {<<"strong">>, Name},
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Keys = [<<N:64/integer>> || N <- lists:seq(1,1000)],
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Key1 = hd(Keys),
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DocIdx = rpc:call(Node, riak_core_util, chash_std_keyfun, [{Bucket, Key1}]),
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PL = rpc:call(Node, riak_core_apl, get_primary_apl, [DocIdx, NVal, riak_kv]),
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All = [VN || {VN, _} <- PL],
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Other = [VN || {VN={_, Owner}, _} <- PL,
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Owner =/= Node],
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Minority = NVal - Quorum,
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PartitionedVN = lists:sublist(Other, Minority),
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Partitioned = [VNode || {_, VNode} <- PartitionedVN],
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Valid = All -- PartitionedVN,
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{KillVN, Valid2} = lists:split(NumKill, Valid),
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{SuspendVN, Valid3} = lists:split(NumSuspend, Valid2),
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{AfterVN, _} = lists:split(NumValid, Valid3),
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io:format("PL: ~p~n", [PL]),
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PBC = rt:pbc(Node),
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Options = [{timeout, 500}],
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rpc:multicall(Nodes, riak_kv_entropy_manager, set_mode, [manual]),
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Part = rt:partition(Nodes -- Partitioned, Partitioned),
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ensemble_util:wait_until_stable(Node, Quorum),
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%% Write data while minority is partitioned
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lager:info("Writing ~p consistent keys", [1000]),
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[ok = rt:pbc_write(PBC, Bucket, Key, Key) || Key <- Keys],
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lager:info("Read keys to verify they exist"),
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[rt:pbc_read(PBC, Bucket, Key, Options) || Key <- Keys],
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rt:heal(Part),
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%% Suspend desired number of valid vnodes
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S1 = [vnode_util:suspend_vnode(VNode, VIdx) || {VIdx, VNode} <- SuspendVN],
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%% Kill/corrupt desired number of valid vnodes
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[vnode_util:kill_vnode(VN) || VN <- KillVN],
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[vnode_util:rebuild_vnode(VN) || VN <- KillVN],
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rpc:multicall(Nodes, riak_kv_entropy_manager, set_mode, [automatic]),
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ensemble_util:wait_until_stable(Node, Quorum),
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lager:info("Disabling AAE"),
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rpc:multicall(Nodes, riak_kv_entropy_manager, disable, []),
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ensemble_util:wait_until_stable(Node, Quorum),
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%% Suspend remaining valid vnodes to ensure data comes from repaired vnodes
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S2 = [vnode_util:suspend_vnode(VNode, VIdx) || {VIdx, VNode} <- AfterVN],
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ensemble_util:wait_until_stable(Node, Quorum),
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lager:info("Checking that key results match scenario"),
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[rt:pbc_read_check(PBC, Bucket, Key, Expect, Options) || Key <- Keys],
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lager:info("Re-enabling AAE"),
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rpc:multicall(Nodes, riak_kv_entropy_manager, enable, []),
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lager:info("Resuming all vnodes"),
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[vnode_util:resume_vnode(Pid) || Pid <- S1 ++ S2],
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ensemble_util:wait_until_stable(Node, NVal),
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%% Check that for other than the "all bets are off" failure case,
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%% we can successfully read all keys after all vnodes are available.
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case lists:member({error, notfound}, Expect) of
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true ->
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ok;
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false ->
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lager:info("Re-reading keys to verify they exist"),
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[rt:pbc_read(PBC, Bucket, Key, Options) || Key <- Keys]
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end,
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lager:info("Scenario passed"),
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lager:info("-----------------------------------------------------"),
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ok.
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