[detach-db] Could not prefetch mysql_database provider 'mysql': ERROR 2013 (HY000): Lost connection to MySQL server

[Vladimir Khlyunev]

Swarm test failed:
https://product-ci.infra.mirantis.net/job/9.0.system_test.ubuntu.plugins.thread_db_separate_services/60/testReport/%28root%29/separate_db_service/separate_db_service/
ISO 121
Snapshot https://product-ci.infra.mirantis.net/job/9.0.system_test.ubuntu.plugins.thread_db_separate_services/60/artifact/logs/fail_error_separate_db_service-fuel-snapshot-2016-03-27_23-30-35.tar.xz

Steps:
1. Create cluster
2. Add 3 nodes with controller role
3. Add 3 nodes with database role
4. Add 1 compute and cinder
5. Verify networks
6. Deploy the cluster

Result:
Deployment failed, in node-1's logs:
Could not prefetch mysql_database provider 'mysql': Execution of '/usr/bin/mysql --defaults-extra-file=/root/.my.cnf -NBe show databases' returned 1: ERROR 2013 (HY000): Lost connection to MySQL server at 'reading initial communication packet', system error: 2

[Bug Checker Bot (bug-checker)]

(This check performed automatically)
Please, make sure that bug description contains the following sections filled in with the appropriate data related to the bug you are describing:

actual result

expected result

For more detailed information on the contents of each of the listed sections see https://wiki.openstack.org/wiki/Fuel/How_to_contribute#Here_is_how_you_file_a_bug

[Dmitry Bilunov (dbilunov)]

For some reason mysql is installed on nodes 3, 5 and 7 but there is no /var/log/mysql directory in the diagnostic snapshot.

[Dmitry Bilunov (dbilunov)]

Could you reproduce this bug and let me access the environment?

[Oleksiy Molchanov (omolchanov)]

Marking as Invalid, because of no update for more than a month