Switch tty message to systemd service;Add missing kubeconfig;Refactor tty script

ansible/roles/firstboot/files/ansible_payload/templates/tty.j2

@@ -17,11 +17,16 @@ COMPONENTS=('ca' 'storage' 'registry' 'git' 'gitops')
 FQDN='{{ vapp['metacluster.fqdn'] }}'
 IPADDRESS='{{ vapp['guestinfo.ipaddress'] }}'
 
-# Waiting to allow boot sequence to finish; crude!
-sleep 30
-clear > /dev/tty1
+I=10
 
 while /bin/true; do
+  if [[ $I -lt 9 ]]; then
+    clear > /dev/tty1
+    I=0
+  else
+    I=$(( $I + 1 ))
+  fi
+
   echo -e "${PRST}" > /dev/tty1
   echo -e "\n\n\t${DFLT}To manage this appliance, please connect to one of the following:${LCLR}\n" > /dev/tty1