Description of problem:

[zaitcev@rhev-a24c-01 ~]$ bash quickstart.sh -R master --tags all $VIRTHOST

TASK [modify-image : Run virt-customize on the provided image] *****************
task path: /home/zaitcev/.quickstart/usr/local/share/ansible/roles/modify-image/
tasks/libguestfs.yml:47
Friday 20 September 2019  18:44:30 -0400 (0:00:04.140)       0:05:05.644 ******
fatal: [rhev-a24c-04]: FAILED! => {"changed": true, "cmd": "virt-customize  --ru
n /home/stack/repo_setup.sh -a /home/stack/overcloud-full.qcow2 > /home/stack/_h
ome_stack_repo_setup.sh.log 2>&1", "delta": "0:03:39.447566", "end": "2019-09-20
 18:48:11.784393", "failed": true, "msg": "non-zero return code", "rc": 1, "star
t": "2019-09-20 18:44:32.336827", "stderr": "", "stderr_lines": [], "stdout": ""
, "stdout_lines": []}

The _home_stack_repo_setup.sh.log contains:

Transaction Summary
================================================================================
Install    1 Package  (+6 Dependent packages)
Upgrade  316 Packages

Total download size: 371 M
Downloading packages:
Delta RPMs disabled because /usr/bin/applydeltarpm not installed.
--------------------------------------------------------------------------------
Total                                              3.1 MB/s | 371 MB  02:00     
Running transaction check
Running transaction test

Transaction check error:
  installing package libicu-50.2-3.el7.x86_64 needs 12MB on the / filesystem
  installing package passwd-0.79-5.el7.x86_64 needs 13MB on the / filesystem
...................................

Error Summary
-------------
Disk Requirements:
  At least 88MB more space needed on the / filesystem.

virt-customize: error: /home/stack/repo_setup.sh: command exited with an 
error

Version-Release number of selected component (if applicable):

Unknown, latest at filing

How reproducible:

Synchronous

Steps to Reproduce:
1. Run quickstart per report above
2.
3.

Actual results:

Quikstart fails

Expected results:

Quickstart succeeds

Additional info:

[stack@rhev-a24c-04 ~]$ df
Filesystem                             1K-blocks     Used  Available Use% Mounted on
/dev/mapper/rhel_rhev--a24c--04-root2 1814141468 11498076 1802643392   1% /
devtmpfs                                32880744        0   32880744   0% /dev
tmpfs                                   32932652        0   32932652   0% /dev/shm
tmpfs                                   32932652    17880   32914772   1% /run
tmpfs                                   32932652        0   32932652   0% /sys/fs/cgroup
/dev/sda1                                1038336   239136     799200  24% /boot
tmpfs                                    6586532        0    6586532   0% /run/user/0
tmpfs                                    6586532        4    6586528   1% /run/user/1003
[stack@rhev-a24c-04 ~]$ 

I strongly suspect that it runs out of space inside an image.
So, the default image is too small to contain default packages.