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lang: core: embedded: provisioner: Add IPXE support

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This lets you boot from ipxe. You can run the ipxe shell from their
stock image or the netboot.xyz one. For the latter, press "m", then type
"dhcp" (machine is now pingable!) then type "route" to check the ip.

To boot type:

chain http://192.168.42.1:4280/menu.ipxe

and you're off!

Thanks to frebib for finding the workaround to the VFS bug. The answer
is you need to run the imgfree command to unblock the initrd.
This commit is contained in:
James Shubin
2025-01-18 01:07:19 -05:00
parent 2f3bd72491
commit 483cc22c32
2 changed files with 69 additions and 3 deletions
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34
lang/core/embedded/provisioner/main.mcl
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@@ -80,6 +80,7 @@ class base($config) {
# eg: equivalent of: https://download.fedoraproject.org/pub/fedora/linux/
$inst_repo_base = "http://${router_ip}:${http_port_str}/fedora/" # private lan online, no https!
$server_base = "http://${router_ip}:${http_port_str}/" # private lan online, no https!
$syslinux_root = "/usr/share/syslinux/"
@@ -360,11 +361,17 @@ class base:repo($config) {
$uefi_root = "${uefi_extract_dir}/boot/efi/EFI/fedora/"
$uefi_shim = "${uefi_root}shim.efi"
$uefi_shimx64 = "${uefi_root}shimx64.efi"
tftp:file "/uefi/shim.efi" { # needs leading slash
path => $uefi_shim, # TODO: add autoedges
Depend => Exec["uefi-extract-${uid}"],
}
tftp:file "/uefi/shimx64.efi" { # needs leading slash
path => $uefi_shimx64, # TODO: add autoedges
Depend => Exec["uefi-extract-${uid}"],
}
tftp:file "/uefi/grubx64.efi" { # sometimes used?
path => "${uefi_root}grubx64.efi", # TODO: add autoedges
@@ -399,6 +406,11 @@ class base:repo($config) {
#Depend => Pkg[$pkgs],
}
http:file "/${uid}/vmlinuz" { # when using ipxe
path => $vmlinuz_file, # TODO: add autoedges
#Depend => Pkg[$pkgs],
}
$initrd_file = "${distroarch_tftp_prefix}initrd.img"
exec "initrd-${uid}" {
@@ -421,6 +433,11 @@ class base:repo($config) {
#Depend => Pkg[$pkgs],
}
http:file "/${uid}/initrd.img" { # when using ipxe
path => $initrd_file, # TODO: add autoedges
#Depend => Pkg[$pkgs],
}
# this file resource serves the entire rsync directory over http
if $mirror == "" { # and $rsync != ""
@@ -626,7 +643,7 @@ class base:host($name, $config) {
}
}
$tftp_menu_template = struct{
$menu_template = struct{
distro => $distro,
version => $version, # 39 for fedora 39
arch => $arch, # could also be aarch64
@@ -634,6 +651,7 @@ class base:host($name, $config) {
ks => "http://${router_ip}:${http_port_str}/fedora/kickstart/${hkey}.ks", # usually $mac or `default`
inst_repo_base => $inst_repo_base,
server_base => $server_base,
}
#
@@ -661,20 +679,30 @@ class base:host($name, $config) {
"/uefi/grub.cfg-01-${old_mac}"
}
$ipxe_menu = if $mac == "" {
"menu.ipxe"
} else {
"${old_mac}.ipxe"
}
if $bios {
tftp:file "${bios_menu}" { # for bios
data => golang.template(deploy.readfile("/files/bios-menu.tmpl"), $tftp_menu_template),
data => golang.template(deploy.readfile("/files/bios-menu.tmpl"), $menu_template),
}
} else {
tftp:file "${uefi_menu}" { # for uefi
# XXX: linuxefi & initrdefi VS. kernel & append ?
data => golang.template(deploy.readfile("/files/uefi-menu.tmpl"), $tftp_menu_template),
data => golang.template(deploy.readfile("/files/uefi-menu.tmpl"), $menu_template),
#Depend => Pkg[$pkgs_uefi],
#Depend => Exec["uefi-extract"],
}
}
http:file "/${ipxe_menu}" { # for ipxe
data => golang.template(deploy.readfile("/files/ipxe-menu.tmpl"), $menu_template),
}
# If it's a dir we don't need a suffix, otherwise return the last chunk.
$handoff_code_chunk = if strings.has_suffix($prefix, "/") {
""