Command 'update-prepare prepare master' returned exit code 1

[ElenaRossokhina]

Detailed bug description:
Found on ci: https://product-ci.infra.mirantis.net/job/9.x.acceptance.ubuntu.install_mu_no_ha_failover/4/testReport/(root)/prepare_for_install_mu_non_ha_cluster/prepare_for_install_mu_non_ha_cluster_2/
Steps to reproduce:
1. Revert snapshot deploy_multirole_compute_cinder
2. Enable updates repo
3. Prepare master node for update
4. Update master node (FAIL)
5. Prepare env for update
6. Check Fuel services
(or run group prepare_for_install_mu_non_ha_cluster)
Expected results:
Test passed
Actual result:
2016-10-07 02:55:44 - ERROR - ssh_client.py:580 -- Command 'update-prepare prepare master' returned exit code 1 while expected [0]
 STDOUT:
Deployment tasks synchronized for release Mitaka on Ubuntu+UCA 14.04 of version mitaka-9.0
Deployment tasks synchronized for release Mitaka on Ubuntu 14.04 of version mitaka-9.0
Deployment tasks synchronized for release Mitaka on CentOS 6.5 of version mitaka-9.0
<...>
sqlalchemy.exc.OperationalError: (psycopg2.extensions.TransactionRollbackError) deadlock detected
DETAIL: Process 22302 waits for AccessExclusiveLock on relation 16893 of database 16389; blocked by process 24136.
Process 24136 waits for AccessShareLock on relation 17749 of database 16389; blocked by process 22302.
HINT: See server log for query details.
 [SQL: "ALTER TABLE releases ADD COLUMN nic_attributes TEXT DEFAULT '{}' NOT NULL"]

more info about exception: http://paste.openstack.org/show/585155/

[Artem Hrechanychenko (agrechanichenko)]

export FORCE_DISABLE_UPDATES=True
export REPLACE_DEFAULT_REPOS=True
export REPLACE_DEFAULT_REPOS_ONLY_ONCE=True
export MAKE_SNAPSHOT=True
export UPGRADE_CLUSTER_FROM_PROPOSED=True
export UPGRADE_CLUSTER_FROM_PROPOSED_DEB=http://mirror.fuel-infra.org/mos-repos/ubuntu/snapshots/9.0-2016-10-05-102321/
export UPGRADE_CLUSTER_FROM_PROPOSED_RPM=http://mirror.fuel-infra.org/mos-repos/centos/mos9.0-centos7/snapshots/proposed-2016-10-05-102321/x86_64/
export UPGRADE_CLUSTER_FROM_PROPOSED_RPM_KEY=http://mirror.fuel-infra.org/mos-repos/centos/mos9.0-centos7/snapshots/proposed-2016-10-05-102321/RPM-GPG-KEY-mos9.0
export CUDET_CENTOS_DB_URL=https://jenkins-sandbox.infra.mirantis.net/job/generate-packages-database/8/artifact/9.0-centos-mu-1.sqlite
export CUDET_UBUNTU_DB_URL=https://jenkins-sandbox.infra.mirantis.net/job/generate-packages-database/9/artifact/9.0-ubuntu-mu-1.sqlite

cannot reproduce with the same ISO and URL's for proposed repos like in
https://product-ci.infra.mirantis.net/job/9.x.acceptance.ubuntu.install_mu_no_ha_failover/4/testReport/(root)/prepare_for_install_mu_non_ha_cluster/prepare_for_install_mu_non_ha_cluster_2/