COIN: Install a systemd script for starting a dummy sound device

Don't load the dummy sound module directly.
Install a systemd script instead.

This amends 198cd69244.

Fixes: QTBUG-120655
Pick-to: 6.7 6.6 6.5
Change-Id: If727a60d1cf3683615775ae55efe9bae159d147e
Reviewed-by: Toni Saario <toni.saario@qt.io>

coin/provisioning/qtci-linux-openSUSE-15.5-x86_64/91-install-dummy-sound.sh

@@ -4,6 +4,21 @@
 
 set -ex
 
+systemd_folder=/etc/systemd/system
+systemd_file=dummysound.service
+script_folder=/home/qt/bin
+script_file=dummy_sound.sh
+
+# Create script to install dummy sound driver,
+# in case no other sound driver is installed.
+sudo tee "${script_folder}/${script_file}" <<"EOF"
+# Check for existing sound driver
+if lsmod | grep -q -i snd
+then
+    echo "(**) Sound driver already loaded. Nothing to do.";
+    exit 0;
+fi
+
 # load dummy sound module
 sudo modprobe snd-dummy
 
@@ -15,3 +30,31 @@ else
     echo "(EE) Failed to load dummy sound driver.";
     exit 1;
 fi
+EOF
+
+# set permissions
+sudo chmod 750 "${script_folder}/${script_file}"
+
+# Create service file
+sudo tee "${systemd_folder}/${systemd_file}" <<"EOF"
+# /etc/systemd/system/dummysound.service
+#
+
+[Unit]
+Description=Install dummy sound driver
+
+[Service]
+Type=oneshot
+ExecStart=/bin/sh -c "/home/qt/bin/dummy_sound.sh"
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+# Start servive and output result, just for logging
+sudo systemctl start dummysound.service
+# status commented out, returns 3 on VM.
+# sudo systemctl status dummysound.service
+
+# enable service
+sudo systemctl enable dummysound.service