[ostf] disk space allocation for databases test fails on AttributeError

[Gil Meir]

Relevant test:
Check: disk space allocation for databases on controller nodes

Traceback:
(nose_storage_plugin) fuel_health.tests.cloudvalidation.test_disk_space_db.DBSpaceTest.test_db_expectation_free_space
Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/unittest2/case.py", line 340, in run
    testMethod()
  File "/usr/lib/python2.6/site-packages/fuel_health/tests/cloudvalidation/test_disk_space_db.py", line 55, in test_db_expectation_free_space
    "by database on node(s): {hosts}"
AttributeError: 'tuple' object has no attribute 'format'

build info:
{"build_id": "2015-04-12_12-50-24", "ostf_sha": "c2a76a60ec4ebbd78e508216c2e12787bf25e423", "build_number": "307", "release_versions": {"2014.2-6.1": {"VERSION": {"build_id": "2015-04-12_12-50-24", "ostf_sha": "c2a76a60ec4ebbd78e508216c2e12787bf25e423", "build_number": "307", "api": "1.0", "nailgun_sha": "d4bef41e2e54a9415b8e3d5b572f9046010547a4", "openstack_version": "2014.2-6.1", "production": "docker", "python-fuelclient_sha": "9208ff4a08dcb674ce2df132399a5aa3ddfac21c", "astute_sha": "d96a80b63198a578b2c159edbd76048819039eb0", "feature_groups": ["mirantis"], "release": "6.1", "fuelmain_sha": "8daac234aea6ac0a98f27871deec039f74f6fdab", "fuellib_sha": "867028fe78837dc2e4635a2cbb976782856964d0"}}}, "auth_required": true, "api": "1.0", "nailgun_sha": "d4bef41e2e54a9415b8e3d5b572f9046010547a4", "openstack_version": "2014.2-6.1", "production": "docker", "python-fuelclient_sha": "9208ff4a08dcb674ce2df132399a5aa3ddfac21c", "astute_sha": "d96a80b63198a578b2c159edbd76048819039eb0", "feature_groups": ["mirantis"], "release": "6.1", "fuelmain_sha": "8daac234aea6ac0a98f27871deec039f74f6fdab", "fuellib_sha": "867028fe78837dc2e4635a2cbb976782856964d0"}

[Sebastian Kalinowski (prmtl)]

Coma must be removed here: https://github.com/stackforge/fuel-ostf/blob/master/fuel_health/tests/cloudvalidation/test_disk_space_db.py#L54

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/173809

[Gil Meir (gilmeir-d)]

Please note there is another bug on this test: https://bugs.launchpad.net/fuel/+bug/1443420
so the test won't pass using this fix only

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/173809
Committed: https://git.openstack.org/cgit/stackforge/fuel-ostf/commit/?id=09059f57932050cbd509368bf9cb501056c5dbbf
Submitter: Jenkins
Branch: master

commit 09059f57932050cbd509368bf9cb501056c5dbbf
Author: Sebastian Kalinowski <email address hidden>
Date: Wed Apr 15 14:59:38 2015 +0200

    Fix multiline string in test_disk_space_db.py

    There was unnecessary coma in mutliline string that was
    causing an error during string formating.

    Change-Id: Ib0a6e12b4511feca5edcedd7a555c13c2428f5dc
    Closes-Bug: #1443826

[Anastasia Palkina (apalkina)]

Verified on ISO #329

"build_id": "2015-04-20_22-54-31", "ostf_sha": "df8db1f48f03b18126ce5ec65317a1eb83a5a95f", "build_number": "329", "release_versions": {"2014.2-6.1": {"VERSION": {"build_id": "2015-04-20_22-54-31", "ostf_sha": "df8db1f48f03b18126ce5ec65317a1eb83a5a95f", "build_number": "329", "api": "1.0", "nailgun_sha": "69fca3bada96a48ab19b969621e5128390b7052e", "openstack_version": "2014.2-6.1", "production": "docker", "python-fuelclient_sha": "b4f1ddffd5263489090b65e662173e9e11aafd94", "astute_sha": "bf1751a4fe0d912325e3b4af629126a59c1b2b51", "feature_groups": ["mirantis"], "release": "6.1", "fuelmain_sha": "0c0e299dcc0276bb8262256148c6ee975857ee86", "fuellib_sha": "b878f1ae8e1d4c6f2f463e810b1f8014df5b22a5"}}}, "auth_required": true, "api": "1.0", "nailgun_sha": "69fca3bada96a48ab19b969621e5128390b7052e", "openstack_version": "2014.2-6.1", "production": "docker", "python-fuelclient_sha": "b4f1ddffd5263489090b65e662173e9e11aafd94", "astute_sha": "bf1751a4fe0d912325e3b4af629126a59c1b2b51", "feature_groups": ["mirantis"], "release": "6.1", "fuelmain_sha": "0c0e299dcc0276bb8262256148c6ee975857ee86", "fuellib_sha": "b878f1ae8e1d4c6f2f463e810b1f8014df5b22a5"