Create KVM Virtual Machine using Ubuntu Trusty ISO image

create-vm-from-iso.sh

#!/bin/bash -x

VM_NAME=_base_trusty64_openstack
VM_MEM=8192
VM_VCPUS=4
VM_DISK_ISO=/var/lib/libvirt/images/ubuntu-14.04.1-server-amd64.iso
VM_NETWORK="bridge=br-ext"

VM_PATH=/opt/vms/${VM_NAME}
VM_DISK=${VM_PATH}/${VM_NAME}_disk.qcow2

mkdir -p $VM_PATH
qemu-img create -f qcow2 ${VM_DISK} 32G
virt-install --virt-type=kvm --hvm --cpu host \
  --name=$VM_NAME \
  --ram=$VM_MEM --vcpus=$VM_VCPUS \
  --cdrom=${VM_DISK_ISO} \
  --disk path=$VM_DISK,format=qcow2 \
  --network $VM_NETWORK \
  --graphics vnc,listen=127.0.0.1 --noautoconsole \
  --os-type=linux --os-variant=ubuntutrusty