createvm.py

#!/usr/bin/env python

import subprocess

#will be replaced with inputs from Chef

name='test'
vcpus=1
memory=2048
iso='/var/lib/libvirt/images/Centos.iso'
discsize= 80
os_type='linux'
os_variant='centos7'
network_bridge='default'

#setting up the command

args = (
    'virt-install' + 
    ' --name=' + name + 
    ' --vcpus=' + vcpus + 
    ' --memory=' + memory + 
    ' --cdrom=' + iso + 
    ' --disk size=' + discsize + 
    ' --os-type=' + os_type + 
    ' --os-varient=' + os_variant +
    ' --network bridge=' + network_bridge +
    " --extra-args 'console=ttyS0,115200n8 serial'"
)

#execute the commands in bash

subprocess.call(args, shell=True)


#reminder

# virt-install\
# --name=name \
# --vcpus=vcpus \
# --memory=memory \
# --cdrom=iso \
# --disk size=discsize \
# --os-type=os_type
# --os-variant=os_variant\
# --network bridge=network_bridge \
# --extra-args 'console=ttyS0,115200n8 serial'

# )