fix vmd app (#1736)

Co-authored-by: Leopold Talirz <leopold.talirz@microsoft.com>

playbooks/roles/ood-applications/files/bc_vmd/template/script.sh.erb

@@ -11,29 +11,17 @@ cd "${HOME}"
 #
 # Launch Xfce Window Manager and Panel
 #
-
-(
-  module restore
-  export XDG_CONFIG_HOME="<%= session.staged_root.join("config") %>"
-  export XDG_DATA_HOME="<%= session.staged_root.join("share") %>"
-  export XDG_CACHE_HOME="$(mktemp -d)"
-  xfwm4 --compositor=off --daemon --sm-client-disable
-  xsetroot -solid "#D3D3D3"
-  xfsettingsd --sm-client-disable
-  export XFCE_PANEL_MIGRATE_DEFAULT=yes
-  xfce4-panel --sm-client-disable
-) &
+source "<%= session.staged_root.join("xfce.sh") %>"
 
 #
 # Start VMD
 #
 
 VMD_HOME_DIR="<%= context.vmd_home %>"
 
-<%- if gpu -%>
 set -x
+<%- if gpu -%>
 xfce4-terminal -e "vglrun $VMD_HOME_DIR/bin/vmd" -T "VMD Terminal" --disable-server
 <%- else -%>
-set -x
 xfce4-terminal -e "$VMD_HOME_DIR/bin/vmd" -T "VMD Terminal" --disable-server
 <%- end -%>

playbooks/roles/ood-applications/files/bc_vmd/template/xfce.sh

@@ -0,0 +1,44 @@
+# Remove any preconfigured monitors
+if [[ -f "${HOME}/.config/monitors.xml" ]]; then
+  mv "${HOME}/.config/monitors.xml" "${HOME}/.config/monitors.xml.bak"
+fi
+
+# Copy over default panel if doesn't exist, otherwise it will prompt the user
+PANEL_CONFIG="${HOME}/.config/xfce4/xfconf/xfce-perchannel-xml/xfce4-panel.xml"
+if [[ ! -e "${PANEL_CONFIG}" ]]; then
+  mkdir -p "$(dirname "${PANEL_CONFIG}")"
+  cp "/etc/xdg/xfce4/panel/default.xml" "${PANEL_CONFIG}"
+fi
+
+# Disable startup services
+xfconf-query -c xfce4-session -p /startup/ssh-agent/enabled -n -t bool -s false
+xfconf-query -c xfce4-session -p /startup/gpg-agent/enabled -n -t bool -s false
+
+# Disable useless services on autostart
+AUTOSTART="${HOME}/.config/autostart"
+rm -fr "${AUTOSTART}"    # clean up previous autostarts
+mkdir -p "${AUTOSTART}"
+for service in "pulseaudio" "rhsm-icon" "spice-vdagent" "tracker-extract" "tracker-miner-apps" "tracker-miner-user-guides" "xfce4-power-manager" "xfce-polkit"; do
+  echo -e "[Desktop Entry]\nHidden=true" > "${AUTOSTART}/${service}.desktop"
+done
+
+# Run Xfce4 Terminal as login shell (sets proper TERM)
+TERM_CONFIG="${HOME}/.config/xfce4/terminal/terminalrc"
+if [[ ! -e "${TERM_CONFIG}" ]]; then
+  mkdir -p "$(dirname "${TERM_CONFIG}")"
+  sed 's/^ \{4\}//' > "${TERM_CONFIG}" << EOL
+    [Configuration]
+    CommandLoginShell=TRUE
+EOL
+else
+  sed -i \
+    '/^CommandLoginShell=/{h;s/=.*/=TRUE/};${x;/^$/{s//CommandLoginShell=TRUE/;H};x}' \
+    "${TERM_CONFIG}"
+fi
+
+# launch dbus first through eval becuase it can conflict with a conda environment
+# see https://github.com/OSC/ondemand/issues/700
+eval $(dbus-launch --sh-syntax)
+
+# Start up xfce desktop (block until user logs out of desktop)
+xfce4-session &