[MDEV-7330] plugins.feedback_plugin_send fails sporadically in buildbot Created: 2014-12-15  Updated: 2015-09-27  Resolved: 2015-09-27

Status: Closed
Project: MariaDB Server
Component/s: Tests
Affects Version/s: 5.5, 10.0
Fix Version/s: 5.5.46, 10.0.22, 10.1.8

Type: Bug Priority: Minor
Reporter: Elena Stepanova Assignee: Elena Stepanova
Resolution: Fixed Votes: 0
Labels: buildbot, tests

Issue Links:
Relates
relates to MDEV-7069 Fix buildbot failures in main server ... Stalled

 Description   

It fails in many different fashions (various combinations of missing/wrong messages), the last one is this:
http://buildbot.askmonty.org/buildbot/builders/p8-trusty-bintar-debug/builds/64/steps/test/logs/stdio

plugins.feedback_plugin_send             w3 [ fail ]
 
        Test ended at 2014-12-15 05:42:05
 
 
 
CURRENT_TEST: plugins.feedback_plugin_send
 
--- /var/lib/buildbot/maria-slave/power8-vlp04-bintar-debug/build/mysql-test/suite/plugins/r/feedback_plugin_send.result	2014-12-15 04:23:45.080621000 -0500
 
+++ /var/lib/buildbot/maria-slave/power8-vlp04-bintar-debug/build/mysql-test/suite/plugins/r/feedback_plugin_send.reject	2014-12-15 05:42:05.479012731 -0500
 
@@ -12,5 +12,3 @@
 
 FEEDBACK_USER_INFO	mysql-test
 
 feedback plugin: report to 'http://mariadb.org/feedback_plugin/post' was sent
 
 feedback plugin: server replied 'ok'
 
-feedback plugin: report to 'http://mariadb.org/feedback_plugin/post' was sent
 
-feedback plugin: server replied 'ok'
 
 
 
mysqltest: Result length mismatch



 Comments   
Comment by Elena Stepanova [ 2015-09-27 ]

Flavors:
http://buildbot.askmonty.org/buildbot/builders/kvm-fulltest2/builds/4287/steps/test_7/logs/stdio

plugins.feedback_plugin_send             w2 [ fail ]
 
        Test ended at 2015-09-26 21:05:13
 
 
 
CURRENT_TEST: plugins.feedback_plugin_send
 
--- /mnt/buildbot/build/mariadb-5.5.46/mysql-test/suite/plugins/r/feedback_plugin_send.result	2015-09-26 02:57:32.000000000 +0300
 
+++ /mnt/buildbot/build/mariadb-5.5.46/mysql-test/suite/plugins/r/feedback_plugin_send.reject	2015-09-26 21:05:13.000000000 +0300
 
@@ -13,4 +13,3 @@
 
 feedback plugin: report to 'http://mariadb.org/feedback_plugin/post' was sent
 
 feedback plugin: server replied 'ok'
 
 feedback plugin: report to 'http://mariadb.org/feedback_plugin/post' was sent
 
-feedback plugin: server replied 'ok'
 
 
 
mysqltest: Result length mismatch

Comment by Elena Stepanova [ 2015-09-27 ]

The plugin is expected to send two reports: one on plugin startup (5 minutes after it was loaded), and the other one on server shutdown which happens during the test.
The problem is that include/restart_mysqld.inc which the test uses to restart the server has the hardcoded shutdown timeout 10 sec, it is not always enough, so the server gets SIGKILL-ed before the plugin has a chance to send a report and/or to write a message about it in the error log.

I am going to add a parameter to restart_mysqld.inc (with the default = 10, so it won't change anything for existing tests), and set it to a bigger value in feedback_plugin_send.

Comment by Elena Stepanova [ 2015-09-27 ]

https://github.com/MariaDB/server/commit/ce7d8c5ee8c459ac692715994fa73b8f29e9e48a

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