On Oracle Linux 9.0, version shows as undefined and even Host.OS shows as "Red".
This change fixes the script to use '/etc/os-release' ins such cases.
Signed-off-by: Abhishek Kumar <abhishek.kumar@shapeblue.com>
This PR adds support for SUSE Leap 15.2+ as a KVM hypervisor and Management / Usage server on Cloudstack
Related docs link apache/cloudstack-documentation#224
Co-authored-by: Michael <35783820+mib1185@users.noreply.github.com>