mirror of
https://github.com/valitydev/riak_test.git
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71 lines
2.8 KiB
Erlang
71 lines
2.8 KiB
Erlang
%% -------------------------------------------------------------------
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%%
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%% Copyright (c) 2012 Basho Technologies, Inc.
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%%
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%% Newer versions of Riak may use different on-disk formats of riak.
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%% When performing a rolling downgrade, the downgraded nodes may not
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%% be able to read the newer on-disk format. This tests that riak_kv_format
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%% correctly downgrades the on-disk format on a node while performing a
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%% rolling downgrade.
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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(verify_riak_object_reformat).
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-behaviour(riak_test).
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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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N = 3,
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TestMetaData = riak_test_runner:metadata(),
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DowngradeVsn = proplists:get_value(upgrade_version, TestMetaData, previous),
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Nodes = [Node1|_] = rt:build_cluster(N),
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confirm_object_format(Nodes, v1),
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lager:info("Writing 100 keys in format v1 to ~p", [Node1]),
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rt:systest_write(Node1, 100, N),
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?assertEqual([], rt:systest_read(Node1, 100, N)),
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lager:info("100 keys successfully written to ~p", [Node1]),
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%% TODO: introduce some handoff
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[begin
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lager:info("Reformatting objects and downgrading ~p", [Node]),
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run_reformat(Node, Node =:= Node1), %% wait for handoffs on one node, kill on rest
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rt:wait_until_ring_converged(Nodes),
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confirm_object_format(Nodes, v0),
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rt:upgrade(Node, DowngradeVsn), %% use upgrade to downgrade
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rt:wait_for_service(Node, riak_kv),
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lager:info("Ensuring keys still readable on ~p", [Node]),
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?assertEqual([], rt:systest_read(Node, 100, N))
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end || Node <- Nodes],
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ok.
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confirm_object_format(Nodes, Version) when is_list(Nodes) ->
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[confirm_object_format(Node, Version) || Node <- Nodes];
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confirm_object_format(Node, Version) ->
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?assertEqual({Node, Version},
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{Node,
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rpc:call(Node, riak_core_capability, get, [{riak_kv, object_format}, v0])}).
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run_reformat(Node, KillHandoffs) ->
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{_Success, _Ignore, Error} = rpc:call(Node,
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riak_kv_reformat,
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run,
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[v0, KillHandoffs]),
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?assertEqual(0, Error),
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ok.
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