add sudoers modification

octoprint_deploy.sh

@@ -486,6 +486,18 @@ prepare () {
         touch /etc/camera_ports
         echo 'Adding current user to dialout and video groups.'
         usermod -a -G dialout,video $user
+        
+        #https://gist.github.com/buchireddy/19eb6593f692852d2df7
+        cp /etc/sudoers /tmp/sudoers.bak
+        echo "$user ALL=(ALL) NOPASSWD:ALL /usr/bin/systemctl" >> /tmp/sudoers
+        visudo -cf /tmp/sudoers.bak
+        if [ $? -eq 0 ]; then
+            sudo cp /tmp/sudoers.bak /etc/sudoers
+            echo 'Adding systemctl access to /etc/sudoers for restarting instances.'
+        else
+            echo "Could not modify /etc/sudoers file. Please do this manually."
+        fi
+        #end modify sudoers
         if [ $INSTALL -eq 1 ]; then
             echo 'Disabling unneeded services....'
             systemctl disable octoprint.service