You need yum clean all to remove the cached used by yum.
This will significantly reduce the size of the container.

Could you provide a couple examples on how to run this?

Assuming it needs to be a privileged container.

The ovirt shutdown seems not to be elegant and some other errors.

MainThread::INFO::2019-12-23 15:31:10,213::ovirt-guest-agent::59::root::Starting oVirt guest agent
Dummy-2::INFO::2019-12-23 15:31:10,248::OVirtAgentLogic::322::root::Received an external command: refresh...
Dummy-3::ERROR::2019-12-23 15:31:10,250::GuestAgentLinux2::218::root::Error retrieving network interfaces.
Traceback (most recent call last):
File "/usr/share/ovirt-guest-agent/GuestAgentLinux2.py", line 214, in ethtool_list_nics
'inet': self._get_ipv4_addresses(devinfo),
File "/usr/share/ovirt-guest-agent/GuestAgentLinux2.py", line 189, in _get_ipv4_addresses
for ip in dev.get_ipv4_addresses():
RuntimeError: Could not open a NETLINK connection for eth0
Dummy-2::ERROR::2019-12-23 15:31:10,407::GuestAgentLinux2::218::root::Error retrieving network interfaces.
Traceback (most recent call last):
File "/usr/share/ovirt-guest-agent/GuestAgentLinux2.py", line 214, in ethtool_list_nics
'inet': self._get_ipv4_addresses(devinfo),
File "/usr/share/ovirt-guest-agent/GuestAgentLinux2.py", line 189, in _get_ipv4_addresses
for ip in dev.get_ipv4_addresses():
SystemError: error return without exception set
Dummy-2::ERROR::2019-12-23 15:31:10,427::GuestAgentLinux2::74::root::Process ['/usr/share/ovirt-guest-agent/diskmapper'] returned err code 1
Dummy-2::INFO::2019-12-23 15:31:15,976::OVirtAgentLogic::322::root::Received an external command: shutdown...
Dummy-2::INFO::2019-12-23 15:31:15,977::OVirtAgentLogic::347::root::Shutting down (timeout = 30, message = 'System Administrator has initiated shutdown of this Virtual Machine. Virtual Machine is shutting down.')
Failed to talk to shutdownd, proceeding with immediate shutdown: No such file or directory
MainThread::INFO::2019-12-23 15:34:01,640::ovirt-guest-agent::59::root::Starting oVirt guest agent
Dummy-2::INFO::2019-12-23 15:34:01,753::OVirtAgentLogic::322::root::Received an external command: refresh...
Dummy-2::ERROR::2019-12-23 15:34:02,341::GuestAgentLinux2::74::root::Process ['/usr/share/ovirt-guest-agent/diskmapper'] returned err code 1
Dummy-2::INFO::2019-12-23 15:34:11,353::OVirtAgentLogic::322::root::Received an external command: api-version...
Dummy-2::INFO::2019-12-23 15:34:11,354::OVirtAgentLogic::118::root::API Version updated from 0 to 3
Dummy-2::ERROR::2019-12-23 15:34:11,460::GuestAgentLinux2::74::root::Process ['/usr/share/ovirt-guest-agent/diskmapper'] returned err code 1