make-template

#!/usr/bin/env bash

TEMPLATE_ID=""
TEMPLATE_NAME=""
TEMPLATE_STORAGE=""
TEMPLATE_BRIDGE="vmbr0"
TEMPLATE_MEMORY="512"
TEMPLATE_CORES="1"
TEMPLATE_SOCKETS="1"

function die() {
	echo $* >&2 && exit -1
}

function usage() {
	echo "Usage: $0 [OPTION] IMAGE_FILE"
	echo "Creates a Proxmox VM template from the specified qcow2 IMAGE_FILE."
	echo
	echo "Options:"
	echo "  -b          Bridge to assign to the VM (defualt vmbr0)"
	echo "  -c          Cores to assign to the VM (default 1)"
	echo "  -i          VM id to assign to the template"
	echo "  -k          CPU sockets to assign to the VM (default 1)"
	echo "  -m          Memory to assign to the VM (default 512)"
	echo "  -n          Name to assign to the template"
	echo "  -s          Proxmox storage used to hold the template and cloud-init drive"
	echo "  -h          Display this help"
	echo
}

while getopts ":b:c:i:k:m:n:s:h" opt; do
	case ${opt} in
		b)
			TEMPLATE_BRIDGE="$OPTARG"
			;;
		c)
			TEMPLATE_CORES="$OPTARG"
			;;
		i)
			TEMPLATE_ID="$OPTARG"
			;;
		k)
			TEMPLATE_SOCKETS="$OPTARG"
			;;
		m)
			TEMPLATE_MEMORY="$OPTARG"
			;;
		n)
			TEMPLATE_NAME="$OPTARG"
			;;
		s)
			TEMPLATE_STORAGE="$OPTARG"
			;;
		h)
			usage && exit 0
			;;
		?)
			die "Invalid option: -${OPTARG}."
			;;
	esac
done

shift $((OPTIND-1))

[[ -n "$TEMPLATE_ID" ]] || die "Template ID (-i) is required"
[[ -n "$TEMPLATE_NAME" ]] || die "Template name (-n) is required"
[[ -n "$TEMPLATE_STORAGE" ]] || die "Template storage (-s) is required"

[[ $# -gt 0 ]] || die "IMAGE_FILE is required"

IMAGE_FILE="$1"

# Check for existence
qm status $TEMPLATE_ID >/dev/null
if [[ $? -ne 2 ]]; then
	die "VM with id $TEMPLATE_ID already exists"
fi

qm create $TEMPLATE_ID \
	--name $TEMPLATE_NAME \
	--numa 0 \
	--ostype l26 \
	--cores $TEMPLATE_CORES \
	--sockets $TEMPLATE_SOCKETS \
	--memory $TEMPLATE_MEMORY \
	--net0 model=virtio,bridge=${TEMPLATE_BRIDGE}

qm importdisk $TEMPLATE_ID $IMAGE_FILE $TEMPLATE_STORAGE

qm set $TEMPLATE_ID \
	--scsihw virtio-scsi-pci \
	--virtio0 ${TEMPLATE_STORAGE}:${TEMPLATE_ID}/vm-${TEMPLATE_ID}-disk-0.raw \
	--ide2 ${TEMPLATE_STORAGE}:cloudinit \
	--boot c \
	--bootdisk virtio0 \
	--serial0 socket \
	--vga serial0 \
	--agent enabled=1

qm template $TEMPLATE_ID