fickit: Use DHCP during preparation and update

fickit-update.yml

@@ -38,26 +38,28 @@ files:
           BOOT_PART=/dev/sda1
       fi
 
-      ip a add 10.10.10.5/29 dev eth0
       ip link set eth0 up
+      udhcpc -i eth0
 
       mkdir -p /boot
 
+      GW=$(ip r | grep default | awk '{ print $3 }')
+
       # Wait e1000e launched
-      if ! ping -W 2 -c 1 10.10.10.6
+      if ! ping -W 2 -c 1 "${GW}"
       then
          sleep 4
       fi
 
-      while ! ping -W 10 -c 1 10.10.10.6
+      while ! ping -W 10 -c 1 "${GW}"
       do
-        echo "Unable to contact 10.10.10.6"
+        echo "Unable to contact ${GW}"
         echo "Exit the shell when connection established."
         /bin/ash
       done
 
       mount "${BOOT_PART}" /boot/ &&
-        /root/update_imgs ||
+        /root/update_imgs "${GW}" ||
         /bin/ash
 
       umount /boot &&