add full path for yum-config-manager.

* install yum-utils

Change-Id: I1bbf57774f44d621e8db0ecbd7525f834b511b3f
install yum-utils after rhos-release has been executed

Change-Id: I72f45203bd54748485136c8a09cf809db569eadc
Modifies tempest.conf.sample

Allows the tempest rpm to be used with instack installs

Change-Id: I44c632a234862a3f5c410dadc0fb859a85e684d1
Update devtestrc variable values

Some variables can and should be kept at their defaults now, so they
are not being assigned in devtestrc anymore.

Increasing VM disk size to increase /mnt/state size. The VM images are
qcow2 so they won't take up too much space anyway. With 20 GB (as set
previously) deployment can fail because undercloud ironic doesn't have
enough space for images.

Change-Id: Ib275878c494f01f08b1ad04501d1c4cac3bc17ba
turn off packstack run retries.

* turning off retries of a packstack run
* ideally this is set to a variable w/ the default being 0
* need to test the above, retry = 0

Change-Id: Iaf5eea16c7e89e253f24e7434f437dcb73fb9476
ksgen/yaml_utils: changing random function to return lowercase letters

Change-Id: I50720429a4b3f8bf3dae4c2b8af36c1870698234
Initial unit-test playbook

Change-Id: I093c12241a34964f944c2c8462383e66dc578147
unit_test: initial working

Change-Id: I11865fd93c3ad5be9433979861db923f9e4875ca
Run tests

Change-Id: Ifbae66f2abcba2340e3737a5b400fdc83c9833ed
few cosmetic changes

Change-Id: I0c48a19fa0bcf2c517cf48cf76d277bb4333b29d
print test_result

Change-Id: I1887bd224d9dacfb0a9bbfccf2279b70910edb02
FIX UP: test result

Change-Id: I31d21d855b17729c47450bef67c8432daa56fec4
fix path to testbed

Change-Id: Icbc9e080f2ed0c300975f7c4dc7037fc38892574
fix shell script

Change-Id: I04a0670873c03957dec11a61c10d15d1384572db
store venv install output to a file

Change-Id: Iaef994c5d7126df8ac75f9ba698c45b2013d0f6b
make output better

Change-Id: I3ea64a97c1e380a7f82b4d37fb0b5d9174a3a647
playbook almost does what it is supposed to do

Change-Id: I67f9dc3a6665795ee8cbbfaf65f0342fab6a8627
copy git as well otherwise pbr fails

Change-Id: Ieb734883cd90e9900f8d3715dfcefb138697f2a0
unit_test: adds missing rpm dependencies

Change-Id: I651a4e5dcca721963220484c4ae2b8c8e2955281
refactor: tasks to unit-test/setup and run

Change-Id: Ibdf50d7e7a90fe2de05a3096e921fbdaf9b69a6d