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Description of problem:
Anaconda smartly installs a group platform-<autodetected_by_systemd>, which is often great and convenient but sometimes not wanted. For example, when installing a virtual machine to be later used as a container image, this is very damaging. Even explicitly listing the packages not to be installed like:
"""
%packages --excludedocs --instLangs=en --nocore --nobase 
-@platform-kvm
-qemu-guest-agent
"""
does not help. Packages are still installed against users explicit commands.

To spell it in the most general way, it would be nice to have a mechanism to defend against installing any package not explicitly requested.

Version-Release number of selected component (if applicable):
anaconda-21.48.22.121-1.el7

How reproducible:
deterministic

Steps to Reproduce:
1. kickstart with the snippet above
2. repo with a group "platform-kvm" containing "qemu-guest-agent" package
2. install in a kvm-based virtual machine

Actual results:
qemu-guest-agent installed

Expected results:
qemu-guest-agent not installed

Additional info:
platform-kvm group appeared with rhel 7.4

Feature originally discussed in https://bugzilla.redhat.com/show_bug.cgi?id=884385

Package group added in https://bugzilla.redhat.com/show_bug.cgi?id=1186734

The request makes sense to me.
We don't allow excluding packages or groups required by anaconda but I think adding option like --allow-removing-anaconda-requirements (but with some sane name) to %packages section would be an improvement.

After evaluating this issue, there are no plans to address it further or fix it in an upcoming release.  Therefore, it is being closed.  If plans change such that this issue will be fixed in an upcoming release, then the bug can be reopened.