Vagrant/Libvirt basic test/dev environment

Signed-off-by: Cédric Clerget <cedric.clerget@gmail.com>

vagrant/export-libvirt-sock.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+pidfile=".export-libvirt-sock.pid"
+
+pid=$(cat $pidfile 2>/dev/null || true)
+
+if [ "$pid" != "" ]; then
+	if grep "/var/tmp/libvirt.sock:" /proc/$pid/cmdline >/dev/null 2>&1; then
+		exit 0
+	fi
+fi
+
+nohup vagrant ssh wwctl -- -o ServerAliveInterval=5 -o ServerAliveCountMax=1 -f -R /var/tmp/libvirt.sock:/var/run/libvirt/libvirt-sock -N >/dev/null 2>&1 &
+echo $! > .export-libvirt-sock.pid