Add udev to container

overlay/etc/cont-init.d/30-configure_udev.sh

@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+###
+# File: 30-configure_udev.sh
+# Project: cont-init.d
+# File Created: Friday, 12th January 2022 8:54:01 am
+# Author: Josh.5 (jsunnex@gmail.com)
+# -----
+# Last Modified: Friday, 14th January 2022 9:21:11 am
+# Modified By: Josh.5 (jsunnex@gmail.com)
+###
+
+# Running udev only works in privileged container
+# Source: https://github.com/balena-io-playground/balena-base-images/
+tmp_mount='/tmp/privileged_test'
+mkdir -p "${tmp_mount}"
+if mount -t devtmpfs none "${tmp_mount}" &> /dev/null; then
+	is_privileged=true
+	umount "${tmp_mount}"
+else
+	is_privileged=false
+fi
+rm -rf "${tmp_mount}"
+
+
+if [[ "${is_privileged}" == "true" ]]; then
+    echo "**** Configure container to run udev management ****";
+    # Enable supervisord script
+    sed -i 's|^autostart.*=.*$|autostart=true|' /etc/supervisor/conf.d/udev.conf
+    # Make startup script executable
+    chmod +x /usr/bin/start-udev.sh
+    # Configure udev permissions
+    sed -i 's/MODE="0660"/MODE="0666"/' /lib/udev/rules.d/60-steam-input.rules
+else
+    # Disable supervisord script
+    sed -i 's|^autostart.*=.*$|autostart=false|' /etc/supervisor/conf.d/udev.conf
+fi
+
+
+echo "**** Ensure the default user has the correct permissions on input devices ****";
+chmod +x /usr/bin/ensure-groups
+/usr/bin/ensure-groups /dev/uinput /dev/input/event*