Network-Manager CLI wrapper for Qubes

nm_cli.bash

#!/usr/bin/env bash
#
# Simple wrapper for Network-Manager CLI on VM
#
target_vm=sys-net

qvm_run() {
	local vm=$1; shift
	local cmd="$@"
	qvm-run \
		--no-gui \
		--pass-io \
		--no-autostart \
		--no-colour-output \
		--no-colour-stderr \
		--filter-escape-chars \
		"${vm}" "${cmd}"
}

exit_msg() {
	local msg="$1" status="${2:-1}"
	echo "ERROR: ${msg}"; exit $status
}

nmcli_run() {
	local cmd=$@
	qvm_run $target_vm nmcli $@
}

nmcli_print_data() {
	nmcli_run --mode tabular --terse $@
}

nmcli_status() {
	nmcli_run general
}

nmcli_list_conns() {
	local filter="$@"
	nmcli_print_data --fields name connection \
		| grep -i "${filter}"
}

nmcli_list_iface() {
	local filter="$@"
	nmcli_print_data device | grep -i "${filter}"
}

nmcli_conn() {
	local action=$1; shift
	local conn="$@"
	if [ -z "${action}" ]; then
		exit_msg 'Missing action'
	fi
	if [ -z "${conn}" ]; then
		exit_msg 'Missing connection id'
	fi

	matched=`nmcli_list_conns "${conn}"`
	if [ -n "${matched}" ]; then
		echo "Matched connection: ${matched}"
		conn=$matched
	fi

	nmcli_run connection "${action}" "\"${conn}\""
}

command=$1; shift
if [ -z "${command}" ]; then
	exit_msg 'Missing command'
fi
case "${command}" in
	up|down)
		nmcli_conn $command $@
		;;
	rfkill)
		nmcli_run radio all off
		;;
	status)
		nmcli_run general
		;;
	link)
		nmcli_run net connectivity
		;;
	ls)
		nmcli_run connection
		;;
	*)
		nmcli_run $command $@
		;;
esac