Packer vsphere builder is official supported by Hashicorp.
Tested on:
Packer - 1.7.6
Packer - 1.7.8
Packer - 1.8.0
Platform:
vSphere - 6.7
OS:
Ubuntu 20.04
RHEL8 (8.4, 8.5, 8.6)
Rocky Linux 8.5
Resources:
https://www.packer.io/docs/builders/vsphere
https://ubuntu.com/download/server
RHEL kickstart documentation
https://access.redhat.com/labsinfo/kickstartconfig
https://rockylinux.org/
These templates are ready for use with Terraform. :)