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ipxe_scripts/embed.ipxe
Peter Šurda a3a1ac2969
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2023-09-15 09:13:43 +08:00

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#!ipxe
# I've assume IPv4 for this script, so if we need IPv6, it may need
# modifications.
# Require only verified images to boot
imgtrust --permanent
# For the "jammy" part of the URL string, in case that changes in the future.
set ubuntu-variant jammy
goto get_arch
#################
### This section is at the top, so it's easier to modify.
:static_ip_boot_setup
# Open all network interface devices, so we aren't restricted to just the first
ifopen
sleep 1
# Currently we just configure IP info by MAC address. So we iterate over
# MAC addresses and set the variables. To ensure we use the desired
# device, we iterate over all devices and simply find matches by
# MAC address.
set idx:int32 0
set successful f
:loop
isset ${net${idx}/mac} || goto loop_done
######################## SET STATIC IP INFO HERE #############################
# Just copy/paste an entire line to add more
#
echo Checking net${idx} for a static IP config
# node1.bitmessage.at
iseq ${net${idx}/mac} 40:a8:f0:31:cc:58 && set ip-dev-name eno1 && set ip-addr 93.189.28.82 && set ip-gateway 93.189.28.81 && set ip-netmask 255.255.255.248 && set ip-dns 1.1.1.1 && set successful t && goto loop_done ||
iseq ${net${idx}/mac} 40:a8:f0:31:cc:59 && set ip-dev-name eno2 && set ip-addr 93.189.28.82 && set ip-gateway 93.189.28.81 && set ip-netmask 255.255.255.248 && set ip-dns 1.1.1.1 && set successful t && goto loop_done ||
# node2.bitmessage.at
iseq ${net${idx}/mac} 28:80:23:a7:52:d0 && set ip-dev-name eno1 && set ip-addr 93.189.25.250 && set ip-gateway 93.189.25.249 && set ip-netmask 255.255.255.248 && set ip-dns 1.1.1.1 && set successful t && goto loop_done ||
iseq ${net${idx}/mac} 28:80:23:a7:52:d1 && set ip-dev-name eno2 && set ip-addr 93.189.25.250 && set ip-gateway 93.189.25.249 && set ip-netmask 255.255.255.248 && set ip-dns 1.1.1.1 && set successful t && goto loop_done ||
# node1.surda.cloud
iseq ${net${idx}/mac} d0:50:99:df:1d:49 && set ip-dev-name enp39s0 && set ip-addr 93.189.28.85 && set ip-gateway 93.189.28.81 && set ip-netmask 255.255.255.248 && set ip-dns 1.1.1.1 && set successful t && goto loop_done ||
iseq ${net${idx}/mac} d0:50:99:df:1d:4a && set ip-dev-name enp38s0 && set ip-addr 93.189.28.85 && set ip-gateway 93.189.28.81 && set ip-netmask 255.255.255.248 && set ip-dns 1.1.1.1 && set successful t && goto loop_done ||
# node2.surda.cloud
iseq ${net${idx}/mac} c8:1f:66:b9:0b:d6 && set ip-dev-name eno1 && set ip-addr 110.4.42.77 && set ip-gateway 110.4.42.1 && set ip-netmask 255.255.255.0 && set ip-dns 1.1.1.1 && set successful t && goto loop_done ||
iseq ${net${idx}/mac} c8:1f:66:b9:0b:d7 && set ip-dev-name eno2 && set ip-addr 110.4.42.77 && set ip-gateway 110.4.42.1 && set ip-netmask 255.255.255.0 && set ip-dns 1.1.1.1 && set successful t && goto loop_done ||
iseq ${net${idx}/mac} c8:1f:66:b9:0b:d8 && set ip-dev-name eno3 && set ip-addr 110.4.42.77 && set ip-gateway 110.4.42.1 && set ip-netmask 255.255.255.0 && set ip-dns 1.1.1.1 && set successful t && goto loop_done ||
iseq ${net${idx}/mac} c8:1f:66:b9:0b:d9 && set ip-dev-name eno4 && set ip-addr 110.4.42.77 && set ip-gateway 110.4.42.1 && set ip-netmask 255.255.255.0 && set ip-dns 1.1.1.1 && set successful t && goto loop_done ||
# node3.surda.cloud
iseq ${net${idx}/mac} b8:2a:72:d5:05:36 && set ip-dev-name eno1 && set ip-addr 101.99.86.54 && set ip-gateway 101.99.86.49 && set ip-netmask 255.255.255.240 && set ip-dns 1.1.1.1 && set successful t && goto loop_done ||
iseq ${net${idx}/mac} b8:2a:72:d5:05:37 && set ip-dev-name eno2 && set ip-addr 101.99.86.54 && set ip-gateway 101.99.86.49 && set ip-netmask 255.255.255.240 && set ip-dns 1.1.1.1 && set successful t && goto loop_done ||
iseq ${net${idx}/mac} b8:2a:72:d5:05:38 && set ip-dev-name eno3 && set ip-addr 101.99.86.54 && set ip-gateway 101.99.86.49 && set ip-netmask 255.255.255.240 && set ip-dns 1.1.1.1 && set successful t && goto loop_done ||
iseq ${net${idx}/mac} b8:2a:72:d5:05:39 && set ip-dev-name eno4 && set ip-addr 101.99.86.54 && set ip-gateway 101.99.86.49 && set ip-netmask 255.255.255.240 && set ip-dns 1.1.1.1 && set successful t && goto loop_done ||
# node3.sysdeploy.org
iseq ${net${idx}/mac} 00:25:90:a2:9f:e9 && set ip-dev-name eno2 && set ip-addr 104.251.122.45 && set ip-gateway 104.251.122.44 && set ip-netmask 255.255.255.254 && set ip-dns 1.1.1.1 && set successful t && goto loop_done ||
# node4.sysdeploy.org
iseq ${net${idx}/mac} 0c:c4:7a:04:ca:60 && set ip-dev-name eno1 && set ip-addr 50.2.185.50 && set ip-gateway 50.2.185.49 && set ip-netmask 255.255.255.248 && set ip-dns 1.1.1.1 && set successful t && goto loop_done ||
# node5.sysdeploy.org
iseq ${net${idx}/mac} d8:9d:67:72:09:50 && set ip-dev-name eno1 && set ip-addr 82.118.227.210 && set ip-gateway 82.118.227.209 && set ip-netmask 255.255.255.252 && set ip-dns 1.1.1.1 && set successful t && goto loop_done ||
# node7.sysdeploy.org
iseq ${net${idx}/mac} 34:17:eb:ea:78:b0 && set ip-dev-name eno1 && set ip-addr 162.248.7.209 && set ip-gateway 162.248.7.1 && set ip-netmask 255.255.255.0 && set ip-dns 1.1.1.1 && set successful t && goto loop_done ||
iseq ${net${idx}/mac} 34:17:eb:ea:78:b1 && set ip-dev-name eno2 && set ip-addr 162.248.7.209 && set ip-gateway 162.248.7.1 && set ip-netmask 255.255.255.0 && set ip-dns 1.1.1.1 && set successful t && goto loop_done ||
# node8.sysdeploy.org
iseq ${net${idx}/mac} bc:30:5b:de:3a:9e && set ip-dev-name eno1 && set ip-addr 109.73.65.100 && set ip-gateway 109.73.65.1 && set ip-netmask 255.255.255.0 && set ip-dns 1.1.1.1 && set successful t && goto loop_done ||
iseq ${net${idx}/mac} bc:30:5b:de:3a:9f && set ip-dev-name eno2 && set ip-addr 109.73.65.100 && set ip-gateway 109.73.65.1 && set ip-netmask 255.255.255.0 && set ip-dns 1.1.1.1 && set successful t && goto loop_done ||
# if you don't know the linux interface name, use "clear ip-dev-name", then
# it will use ALL interfaces
##############################################################################
inc idx && goto loop
:loop_done
# If we have not successfully found a MAC match, then we error, because we
# also failed DHCP. So there's nothing we can do but fail.
iseq ${successful} f && goto error_handler ||
# If on the other hand we're successful, then we construct the kernel ip= line
set ip-info ${ip-addr}::${ip-gateway}:${ip-netmask}::${ip-dev-name}:off:${ip-dns} && echo Static IP found
echo ip-info ${ip-info}
# And setup IPXE networking.
# First, set device info
set net${idx}/ip ${ip-addr}
set net${idx}/gateway ${ip-gateway}
set net${idx}/netmask ${ip-netmask}
set net${idx}/dns ${ip-dns}
# Now we close all net devices and enable only the one we need.
# Sleep a little between, so we don't error by continuing too fast before the
# device is actually ready
sleep 1
ifclose
sleep 1
ifopen net${idx}
sleep 1
# Set settings again in case the ifdown/ifup cleared them
set net${idx}/ip ${ip-addr}
set net${idx}/gateway ${ip-gateway}
set net${idx}/netmask ${ip-netmask}
set net${idx}/dns ${ip-dns}
sleep 1
# Now we have the ip= line and the IPXE network configured, so we can
# download and boot.
goto boot_all
###
#################
:try_next_card
imgfree
ifclose
sleep 1
# If dhcp, it will go to the static boot, which already has ifopen
iseq ip-info dhcp || ifopen
iseq ip-info dhcp || sleep 1
iseq ip-info dhcp && clear ip-info && goto try_static_from_dhcp_fail || goto try_next_static_card
:try_static_from_dhcp_fail
iseq arch-info arm64 && goto static_ip_boot_arm64 ||
iseq arch-info amd64 && goto static_ip_boot_amd64 ||
goto error_handler
:try_next_static_card
isset ip-dev-name && clear ip-dev-name
isset ip-addr && clear ip-addr
isset ip-gateway && clear ip-gateway
isset ip-netmask && clear ip-netmask
isset ip-dns && clear ip-dns
isset successful && clear successful
set successful f
isset idx && inc idx || goto error_handler
goto loop
# In case we want to... log?? Or do something else.
:error_handler
echo ###########################################################
echo An unspecified error has occurred.
echo The system will sleep for two minutes and then reboot.
echo ###########################################################
sleep 60
sleep 60
reboot
# Should not occur, but just in case...
sleep 5
exit
# Get relevant CPU arch.
:get_arch
iseq ${buildarch} arm32 && goto start_arm32 ||
iseq ${buildarch} arm64 && goto start_arm64 ||
iseq ${buildarch} i386 && goto start_i386 ||
iseq ${buildarch} x86_64 && goto start_amd64 ||
goto error_handler
# Builds may be done on 32-bit, but machines will always be 64-bit.
# Keep this section just in case we want to use 32-bit machines in the future.
:start_arm32
goto start_arm64
:start_i386
goto start_amd64
# Set arch info and determine if we can use DHCP for network.
# Then either boot or goto static IP setup.
:start_arm64
set arch-info arm64
dhcp || goto static_ip_boot_arm64
sleep 1
set ip-info dhcp
goto boot_all
:start_amd64
set arch-info amd64
dhcp || goto static_ip_boot_amd64
sleep 1
set ip-info dhcp
goto boot_all
# This process should be the same for arm and x86, but I'll leave this section
# intact in case it turns out it's not the same
:static_ip_boot_arm64
goto static_ip_boot_setup
:static_ip_boot_amd64
goto static_ip_boot_setup
:boot_all
# Get accurate time so we can set the clock in kernel boot cmdline
echo Syncing time over NTP
ntp pool.ntp.org || goto error_handler
# check for EFI
iseq ${platform} efi && goto is_efi || goto not_efi
# We use HTTP because IPXE's HTTPS implementation is lacking. So we delegate
# integrity and validation to imgverify.
# Naming the squashfs download "/squashfs" is required, otherwise the boot
# kernel fails to load it in the "root=" part of the kernel cmdline.
# However, note that imgverify will fail if you refer to it as "/squashfs"
# instead of "squashfs".
# "--signer" validates against the subject common name field of the signing
# certificate. That signing cert must have both the digital signature key
# usage set and the code-signing key usage extension set.
# By default, IPXE trusts the default Mozilla global root CA list, so
# make sure you pick a common name with a FQDN you control, even if you're
# using a custom CA that you import during build.
:is_efi
echo Attempting EFI boot
set initrd1 initrd=initrd.cpio
isset initrd2 && clear initrd2
imgfetch http://images.sysdeploy.org/${ubuntu-variant}/${arch-info}/initrd.cpio || goto try_next_card
imgverify --signer images.sysdeploy.org initrd.cpio http://images.sysdeploy.org/${ubuntu-variant}/${arch-info}/initrd.cpio.sig || goto error_handler
goto efi_and_not_efi
:not_efi
echo Attempting legacy boot
set initrd1 initrd=boot-initrd
set initrd2 initrd=squashfs
imgfetch http://images.sysdeploy.org/${ubuntu-variant}/${arch-info}/squashfs /squashfs || goto try_next_card
imgverify --signer images.sysdeploy.org squashfs http://images.sysdeploy.org/${ubuntu-variant}/${arch-info}/squashfs.sig || goto error_handler
initrd http://images.sysdeploy.org/${ubuntu-variant}/${arch-info}/boot-initrd || goto try_next_card
imgverify --signer images.sysdeploy.org boot-initrd http://images.sysdeploy.org/${ubuntu-variant}/${arch-info}/boot-initrd.sig || goto error_handler
:efi_and_not_efi
kernel http://images.sysdeploy.org/${ubuntu-variant}/${arch-info}/boot-kernel || goto try_next_card
imgverify --signer images.sysdeploy.org boot-kernel http://images.sysdeploy.org/${ubuntu-variant}/${arch-info}/boot-kernel.sig || goto error_handler
sleep 1
boot boot-kernel ${initrd1} ${initrd2} rootfstype=squashfs root=/squashfs ip=${ip-info} overlayroot=tmpfs:recurse=0 systemd.clock-usec=${unixtime:int32}000000 ds=nocloud-net;s=https://cloud-init.sysdeploy.org/apiv2?uuid=${uuid}&filetype= || goto error_handler
# unixtime variable must be used with int32, because that's the only way it
# will display as decimal digits. unit32 and string both display as hex.
# Therefore this will stop working in 2038.
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