distribute VM-images with aria2 instead of ctorrent

roles/lmn_vm/files/vm-virtiofsd

@@ -0,0 +1,50 @@
+#!/usr/bin/bash
+
+set -eu
+
+# if less than one arguments supplied, display usage
+if [[  $# -ne 1 ]]; then
+    echo "This script takes as input the name of the VM " >&2
+    echo "Usage: $0 vm_name" >&2
+    exit 1
+fi
+
+VM_NAME="$1"
+
+## Make sure VMs can read the base directory:
+chgrp 1010 "/lmn/media/${SUDO_USER}"
+chmod 0775 "/lmn/media/${SUDO_USER}"
+
+socket="/run/user/$(id -u $SUDO_USER)/virtiofs-${VM_NAME}.sock"
+
+#  FIXME: This does not work.  In windows, there is no virtiofs device.
+#  In GNU/Linux it's only readable.
+#
+#if ! systemctl -q is-active virtiofs-${VM_NAME}.socket ; then
+#    systemd-run --unit=virtiofs-${VM_NAME} \
+#		--slice=system-virtiofs \
+#		--collect \
+#		--socket-property=ListenStream="$socket" \
+#		--socket-property=Accept=no \
+#		--socket-property=SocketMode=0700 \
+#		--socket-property=SocketUser=${SUDO_USER} \
+#		--property=Type=exec \
+#		--property=StandardInput=socket \
+#		/usr/local/bin/virtiofsd --log-level debug --sandbox none \
+#		--syslog --fd=0 --shared-dir "/lmn/media/${SUDO_USER}"
+#else
+#    systemctl restart virtiofs-${VM_NAME}.socket
+#fi
+
+if [[ ! -S "$socket" ]] ; then
+    systemd-run --unit=virtiofs-${VM_NAME} \
+		--slice=system-virtiofs \
+		--collect \
+		--property=Type=exec \
+		--property=SuccessExitStatus=1 \
+		--property="ExecStopPost=rm $socket" \
+		/usr/local/bin/virtiofsd --socket-path "$socket" \
+		--shared-dir "/lmn/media/${SUDO_USER}"
+fi
+sleep 1
+chown "${SUDO_USER}" "$socket"