Use a service for virtiofs for better control.

roles/lmn_vm/files/create-clone.sh

@@ -40,4 +40,4 @@ sed -i "s:VMIMAGEDIR:${VM_DIR}:" "${VM_XML}"
 sed -i "s/${VM_NAME}/${VM_NAME}-clone/" "${VM_XML}"
 
 # set virtiofs-Socket
-sed -i "s:VIRTIOFSSOCKET:${XDG_RUNTIME_DIR}/virtiofs/${VM_NAME}-clone.sock:" "${VM_XML}"
+sed -i "s:VIRTIOFSSOCKET:/run/virtiofsd/${VM_NAME}-clone.sock:" "${VM_XML}"

roles/lmn_vm/files/start-virtiofsd.sh

@@ -10,27 +10,7 @@ if [[  $# -ne 1 ]]; then
 fi
 
 VM_NAME="$1"
-XDG_RUNTIME_DIR="/run/user/${SUDO_UID}"
+## Make sure VMs can read the base directory:
+chgrp 1010 "/lmn/media/${SUDO_USER}"
 
-if ! [[ -d "${XDG_RUNTIME_DIR}/virtiofs" ]]; then
+systemctl restart virtiofs@${VM_NAME}-clone:${SUDO_USER}.service
-       mkdir "${XDG_RUNTIME_DIR}/virtiofs/"
-       chown "${SUDO_UID}" "${XDG_RUNTIME_DIR}/virtiofs/"
-fi
-
-if [[ -S "${XDG_RUNTIME_DIR}/virtiofs/${VM_NAME}-clone.sock" ]] ; then
-    /usr/bin/rm "${XDG_RUNTIME_DIR}/virtiofs/${VM_NAME}-clone.sock"
-fi
-#sudo /usr/lib/qemu/virtiofsd --socket-path="${XDG_RUNTIME_DIR}/virtiofs/${VM_NAME}-clone.sock" \
-#     --socket-group="${SUDO_USER}" --announce-submounts -o source="/media/${USER}" > /dev/null &
-#sudo /usr/lib/qemu/virtiofsd --socket-path="${XDG_RUNTIME_DIR}/virtiofs/${VM_NAME}-clone.sock" \
-#     --socket-group="${SUDO_USER}" -o source="/media/${USER}" > /dev/null &
-
-/usr/lib/qemu/virtiofsd --socket-path="${XDG_RUNTIME_DIR}/virtiofs/${VM_NAME}-clone.sock" \
-			-o source="/lmn/media/${SUDO_USER}/" &
-
-# Wait until socket-File exists and chown to user
-until [[ -S "${XDG_RUNTIME_DIR}/virtiofs/${VM_NAME}-clone.sock" ]]; do
-    echo "waiting for ${XDG_RUNTIME_DIR}/virtiofs/${VM_NAME}-clone.sock"
-    sleep 0.1
-done
-/usr/bin/chown "${SUDO_USER}" "${XDG_RUNTIME_DIR}/virtiofs/${VM_NAME}-clone.sock"

roles/lmn_vm/files/virtiofs@.service

@@ -0,0 +1,14 @@
+[Unit]
+Description=share home folders via virtiofsd
+## $I is split into two parameters: VM:USER
+
+[Service]
+Type=exec
+ExecStart=/usr/bin/sh -c 'v="%i"; soc="$${v%%:*}"; usr="$${v##*:}"; exec /usr/lib/qemu/virtiofsd --socket-path="/run/virtiofsd/$${soc}.sock" -o source="/lmn/media/$${usr}"'
+ExecStartPost=chmod 755 /run/virtiofsd/
+ExecStartPost=/usr/bin/sh -c 'v="%i"; soc="$${v%%:*}"; usr="$${v##*:}"; chown "$$usr" "/run/virtiofsd/$${soc}.sock"'
+ExecStopPost=/usr/bin/sh -c 'v="%i"; soc="$${v%%:*}"; rm "/run/virtiofsd/$${soc}.sock"'
+SuccessExitStatus=1
+
+[Install]
+WantedBy=multi-user.target

roles/lmn_vm/tasks/main.yml

@@ -137,9 +137,14 @@
     dest: /etc/systemd/system/
     owner: root
     group: root
-    mode: '0755'
+    mode: '0644'
   notify: "enable vmimage-torrent.service"
 
+- name: Deploy virtiofs service
+  copy:
+    src: virtiofs@.service
+    dest: /etc/systemd/system/
+
 - name: Deploy bridge.conf needed for qemu session mode
   lineinfile:
     path: /etc/qemu/bridge.conf