yum-config-manager command may need shell vs command.........

Change-Id: I8c191fedf5b47b7655c091b9d00c0a4e7e9f90a5
ksgen: adds test for !env

Change-Id: I094bd181c6c251e4639ed479c7e45a50657ce33e
ksgen: adds !random yaml tag

!random yaml tag can be used to generate random string of
arbitrary length

Change-Id: Ifcdc025b979b74bde23c8dd134e7e778e00ed317
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
openstack status has not been working, simplifying the call.

Change-Id: I12f83abb060662a879ba4abacaf9e09edb02a20a
create workaround for m2crypto issue: 1128301 .

Change-Id: Idcdf2752b4720e815d02f69b5a0736ca49cbf3e8
Use tempest.instance_size for flavor of test instance in tempest run

* Update the etc/tempest.conf w/ the smallest flavor
* Only update the settings after the tempest config script has modified the settings

Change-Id: I981b39040190e0e54b08d95ebc3a3594b1154341
Introduce vagrant to the mix

Vagrant is good at vms and networks. Use it.

Change-Id: I4b03aea4e2f1cb4be0fe9180c1f6fe03e9e91f76