tarantool / tarantool / 23227
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LAST BUILD BRANCH: mandesero/liveness-and-readiness-probes
DEFAULT BRANCH: master
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Jobs 1
Files 306
Run time 52s
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coverage: 82.647% (-0.03%) from 82.674%
23227

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kyukhin 
test: fix flaky replication/wal_rw_stress.test.lua

Found issue (reproduced on VBox FreeBSD machine):

 [016] --- replication/wal_rw_stress.result	Fri Feb 21 11:53:21 2020
 [016] +++ replication/wal_rw_stress.reject	Fri May  8 08:23:56 2020
 [016] @@ -73,7 +73,42 @@
 [016]  ...
 [016]  box.info.replication[1].downstream.status ~= 'stopped' or box.info
 [016]  ---
 [016] -- true
 [016] +- version: 2.5.0-27-g32f59756a
 [016] +  id: 2
 [016] +  ro: false
 [016] +  uuid: 41cbebcc-9105-11ea-96ab-08002739cbd6
 [016] +  package: Tarantool
 [016] +  cluster:
 [016] +    uuid: 397c196f-9105-11ea-96ab-08002739cbd6
 [016] +  listen: unix/:/home/vagrant/tarantool/test/var/016_replication/replica.socket-iproto
 [016] +  replication:
 [016] +    1:
 [016] +      id: 1
 [016] +      uuid: 397a1886-9105-11ea-96ab-08002739cbd6
 [016] +      lsn: 10005
 [016] +      upstream:
 [016] +        status: follow
 [016] +        idle: 0.46353673400017
 [016] +        peer: unix/:/home/vagrant/tarantool/test/var/016_replication/master.socket-iproto
 [016] +        lag: -0.45732522010803
 [016] +      downstream:
 [016] +        status: stopped
 [016] +        message: writev(1), called on fd 24, aka unix/:/home/vagrant/tarantool/test/var/016_replicati
 [016] +        system_message: Broken pipe
 [016] +    2:
 [016] +      id: 2
 [016] +      uuid: 41cbebcc-9105-11ea-96ab-08002739cbd6
 [016] +      lsn: 0
 [016] +  signature: 10005
 [016] +  status: running
 [016] +  vinyl: []
 [016] +  uptime: 2
 [016] +  lsn: 0
 [016] +  sql: []
 [016] +  gc: []
 [016] +  pid: 41231
 [016] +  memory: []
 [016] +  vclock: {1: 10005}
 [016]  ...
 [016]  test_run:cmd("switch default")
 [016]  ---

To check the downstream status and it's message need to wait until an
downstream appears. This prevents an attempt to index a nil value when
one of those functions are called before a record about a peer appears
in box.info.replication. It was observed on test:
  replication/show_error_on_disconnect
a... (continued)

41987 of 50803 relevant lines covered (82.65%)

908798.27 hits per line

Jobs
ID Job ID Ran Files Coverage
3 23227.3 (TARGET=coverage) 0
82.65
 Travis Job 23227.3
Source Files on build 23227
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