Switch to transient service unit. Socket-triggering fails for now.

roles/lmn_vm/files/run-vm.sh

@@ -96,7 +96,7 @@ create-clone() {
     # and actually rename the vm (this also updates part of the storage path):
     sed -i "s/${VM_NAME}/${VM_NAME}-clone/" "${VM_XML}"
     # set virtiofs-Socket
-    sed -i "s:VIRTIOFSSOCKET:/run/virtiofs/${VM_NAME}-clone.sock:" "${VM_XML}"
+    sed -i "s:VIRTIOFSSOCKET:/run/user/${UID}/virtiofs-${VM_NAME}.sock:" "${VM_XML}"
 }
 
 QEMU='qemu:///session'

roles/lmn_vm/files/start-virtiofsd.sh

@@ -15,4 +15,36 @@ VM_NAME="$1"
 chgrp 1010 "/lmn/media/${SUDO_USER}"
 chmod 0775 "/lmn/media/${SUDO_USER}"
 
-systemctl start virtiofs@${VM_NAME}-clone:${SUDO_USER}.service
+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"

roles/lmn_vm/files/virtiofs@.service

@@ -1,16 +0,0 @@
-[Unit]
-Description=share home folders via virtiofsd
-## $I is split into two parameters: VM:USER
-
-[Service]
-Type=exec
-ExecStartPre=/usr/bin/mkdir -p /run/virtiofs/
-ExecStart=/usr/bin/sh -c 'v="%i"; soc="$${v%%:*}"; usr="$${v##*:}"; exec /usr/local/bin/virtiofsd --announce-submounts --socket-path="/run/virtiofs/$${soc}.sock" --shared-dir "/lmn/media/$${usr}"'
-ExecStartPost=/usr/bin/sleep 1
-ExecStartPost=/usr/bin/chmod 755 /run/virtiofs/
-ExecStartPost=/usr/bin/sh -c 'v="%i"; soc="$${v%%:*}"; usr="$${v##*:}"; chown "$$usr" "/run/virtiofs/$${soc}.sock"'
-ExecStopPost=/usr/bin/sh -c 'v="%i"; soc="$${v%%:*}"; rm "/run/virtiofs/$${soc}.sock"'
-SuccessExitStatus=1
-
-[Install]
-WantedBy=multi-user.target

roles/lmn_vm/tasks/main.yml

@@ -152,10 +152,10 @@
     mode: '0644'
   notify: "enable vmimage-torrent.service"
 
-- name: Deploy virtiofs service
-  copy:
-    src: virtiofs@.service
-    dest: /etc/systemd/system/
+- name: Remove virtiofs service
+  file:
+    path: /etc/systemd/system/virtiofs@.service
+    state: absent
 
 - name: Deploy bridge.conf needed for qemu session mode
   lineinfile: