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https://github.com/valitydev/riak_test.git
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dc97aa421d
Acks are sent asynchronously after a successful write on the sink, so we cannot rely on the ack having being received by the source immediately after we read the data on the sink.
69 lines
2.5 KiB
Erlang
69 lines
2.5 KiB
Erlang
%% -------------------------------------------------------------------
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%%
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%% Copyright (c) 2013-2016 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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-module(rt_cascading_ensure_ack).
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-behavior(riak_test).
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%% API
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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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%% test requires allow_mult=false b/c of rt:systest_read
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rt:set_conf(all, [{"buckets.default.allow_mult", "false"}]),
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State = ensure_ack_setup(),
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_ = ensure_ack_tests(State),
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pass.
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ensure_ack_setup() ->
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Clusters = rt_cascading:make_clusters([{"A", 1, ["B"]}, {"B", 1}]),
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lists:flatten([Nodes || {_, Nodes} <- Clusters]).
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ensure_ack_tests(Nodes) ->
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[LeaderA, LeaderB] = Nodes,
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lager:info("Nodes:~p, ~p", [LeaderA, LeaderB]),
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TestHash = list_to_binary([io_lib:format("~2.16.0b", [X]) ||
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<<X>> <= erlang:md5(term_to_binary(os:timestamp()))]),
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TestBucket = <<TestHash/binary, "-rt_test_a">>,
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%% Write some objects to the source cluster (A),
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lager:info("Writing 1 key to ~p, which should RT repl to ~p",
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[LeaderA, LeaderB]),
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?assertEqual([], repl_util:do_write(LeaderA, 1, 1, TestBucket, 2)),
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%% verify data is replicated to B
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lager:info("Reading 1 key written from ~p", [LeaderB]),
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?assertEqual(0, repl_util:wait_for_reads(LeaderB, 1, 1, TestBucket, 2)),
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lager:info("Checking unacked on ~p", [LeaderA]),
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?assertEqual(ok, rt:wait_until(fun () -> check_unacked(LeaderA) end)).
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check_unacked(LeaderA) ->
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RTQStatus = rpc:call(LeaderA, riak_repl2_rtq, status, []),
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Consumers = proplists:get_value(consumers, RTQStatus),
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case proplists:get_value("B", Consumers) of
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undefined ->
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missing_consumer;
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Consumer ->
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Unacked = proplists:get_value(unacked, Consumer, 0),
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lager:info("unacked: ~p", [Unacked]),
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Unacked == 0
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end.
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