Add custom iPXE disk for GCE

ipxe/disks/netboot.xyz-gce

@@ -0,0 +1,67 @@
+#!ipxe
+set esc:hex 1b
+set bold ${esc:string}[1m
+set boldoff ${esc:string}[22m
+set fg_gre ${esc:string}[32m
+set fg_cya ${esc:string}[36m
+set fg_whi ${esc:string}[37m
+set HTTPS_ERR HTTPS appears to have failed... attempting HTTP
+set HTTP_ERR HTTP has failed, localbooting...
+set version 1.04
+set ipxe_cloud_config gce
+
+:start
+echo ${bold}${fg_gre}netboot.xyz ${fg_whi}v${version} for ${fg_cya}Google Compute Engine${boldoff}
+prompt --key m --timeout 4000 Hit the ${bold}m${boldoff} key to open failsafe menu... && goto failsafe || goto dhcp
+
+:dhcp
+dhcp || goto netconfig
+goto menu
+
+:failsafe
+menu netboot.xyz Failsafe Menu
+item localboot Boot to local drive
+item netconfig Manual network configuration
+item retry Retry boot
+item debug iPXE Debug Shell
+item reboot Reboot System
+choose failsafe_choice || exit
+goto ${failsafe_choice}
+
+:netconfig
+echo Network Configuration:
+echo Available interfaces...
+ifstat
+imgfree
+echo -n Set network interface number [0 for net0, defaults to 0]: ${} && read net
+isset ${net} || set net 0
+echo -n IP: && read net${net}/ip
+echo -n Subnet mask: && read net${net}/netmask
+echo -n Gateway: && read net${net}/gateway
+echo -n DNS: && read dns
+ifopen net${net}
+echo Attempting chainload of netboot.xyz...
+goto menu || goto failsafe
+
+:menu
+set conn_type https
+chain --autofree https://boot.netboot.xyz/menu.ipxe || echo ${HTTPS_ERR}
+sleep 5
+set conn_type http
+chain --autofree http://boot.netboot.xyz/menu.ipxe || echo ${HTTP_ERR}
+goto localboot
+
+:localboot
+exit
+
+:retry
+goto start
+
+:reboot
+reboot
+goto start
+
+:debug
+echo Type "exit" to return to menu
+shell
+goto failsafe

script/prep-release.sh

@@ -51,7 +51,7 @@ mv bin/ipxe.kpxe ../../build/ipxe/netboot.xyz.kpxe
 mv bin/undionly.kpxe ../../build/ipxe/netboot.xyz-undionly.kpxe
 
 # generate netboot.xyz iPXE disk for Google Compute Engine
-make bin/ipxe.usb CONFIG=cloud EMBED=../../ipxe/disks/netboot.xyz \
+make bin/ipxe.usb CONFIG=cloud EMBED=../../ipxe/disks/netboot.xyz-gce \
 TRUST=ca-ipxe-org.crt,ca-netboot-xyz.crt
 error_check
 cp -f bin/ipxe.usb disk.raw