New scripts and sudo rules. Implement qemu session mode.

roles/lmn_vm/files/link-images.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/bash
+# link VM in Use-Dir in /tmp
+
+set -eu
+
+# change to image-directory
+cd /var/lib/libvirt/images
+
+VM_DIR="/tmp/${SUDO_UID}/vmimages"
+
+# link system-VM-Images to User VM Directory
+for i in *.qcow2; do
+  [[ -f "${VM_DIR}/${i}" ]] || ln "${i}" "${VM_DIR}/${i}"
+done