install-server: Update first-boot script

 * Explicitly state that key has been accepted on master
 * Back up SSH keys, just in case
 * Show IP addresses of the system, to SSH into it

Signed-off-by: Maximilian Wilhelm <max@sdn.clinic>

install-server/ffho-first-boot.sh

@@ -9,6 +9,9 @@ while ! salt-call test.ping >/dev/null 2>&1; do
 	sleep 10
 done
 
+echo "Looks like you did, cool, let's get started!"
+echo
+
 ################################################################################
 #                           Set up screeen and SSH                             #
 ################################################################################
@@ -19,6 +22,19 @@ salt-call saltutil.sync_all
 echo "Configuring screen and SSH..."
 salt-call state.apply screen,ssh
 
+echo "Backing up SSH keys..."
+cp -a /etc/ssh /opt
+
+cat << EOF
+SSH configured, you should now be able to SSH into this device (as root).
+
+EOF
+
+ip -br a
+
+echo
+echo
+
 echo "Running highstate..."
 salt-call state.highstate