[Tarantool-patches] [PATCH 2/2] feedback: collect db engines and index features

[Vladislav Shpilevoy]

Hi! Thanks for the fixes!

The patch LGTM except that its test is failing here:
https://travis-ci.org/github/tarantool/tarantool/jobs/699753951

Also it fails locally on my machine.

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WORKR TEST                                            PARAMS          RESULT
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[001] box-tap/feedback_daemon.test.lua                                
[001] not ok 15 - failed subtests #  
[001] Traceback:
[001] [Lua ] function 'test' at <builtin/tap.lua:249>
[001] [main] at </Users/gerold/Work/Repositories/tarantool/test/box-tap/feedback_daemon.test.lua:0>
[001] 
[001] {'failed': 2, 'planned': 10}
[001] 
[001] not ok 22 - data is equal #  
[001] Expected: {"arch":"x64","features":{"schema":{"local_spaces":1,"functional_indices":0,"hash_indices":1,"rtree_indices":0,"temporary_spaces":1,"tree_indices":1,"jsonpath_indices":0,"vinyl_spaces":0,"bitset_indices":1,"memtx_spaces":1}},"server_id":"fb2c934e-e20e-44c3-824d-2ee854863569","is_docker":false,"os":"OSX","feedback_type":"version","cluster_id":"26f54eba-e463-4248-82ed-03b1e504ec82","tarantool_version":"2.5.0-148-g15a09c910","feedback_version":1}
[001] Got:      {"arch":"x64","features":{"schema":{"local_spaces":0,"functional_indices":0,"hash_indices":0,"rtree_indices":0,"temporary_spaces":0,"tree_indices":0,"jsonpath_indices":0,"vinyl_spaces":0,"bitset_indices":0,"memtx_spaces":0}},"server_id":"fb2c934e-e20e-44c3-824d-2ee854863569","is_docker":false,"os":"OSX","feedback_type":"version","cluster_id":"26f54eba-e463-4248-82ed-03b1e504ec82","tarantool_version":"2.5.0-148-g15a09c910","feedback_version":1}
[001] Traceback:
[001] [main] at </Users/gerold/Work/Repositories/tarantool/test/box-tap/feedback_daemon.test.lua:0>
[001] 
[001] Rejected result file: box-tap/feedback_daemon.reject
[001] [ fail ]
[Main process] Got failed test; gently terminate all workers...
[001] Worker "001_box-tap" got failed test; stopping the server...
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