** Description changed:
- {Description]
+ [Impact]
+ Required for MAAS to use HTTP transport to provide files for grub2.
+
+ [Test case]
+ 0) Provide kernel and initrd on an HTTP server on the network.
+ 1) Boot from the network in UEFI mode using grub's grubnet<arch>.efi binary.
+ 2) Run the following commands:
+
+ linuxefi http://<ip of http server>/<path to kernel> <kernel command-line
parameters>
+ initrdefi http://<ip of http server>/<path to initrd>
+ boot
+
+ Verify that the system is able to correctly retrieve the kernel and
+ initrd files from the HTTP server, and that the system boots normally.
+
+ [Regression potential]
+ None. This makes an additional module available for use in the
grubnet<arch>.efi pre-built and signed UEFI binaries for grub; it does not
otherwise affect other pre-built UEFI images, does not change grub code, and is
not used unless explicitly configured to do so by a custom grub configuration
file (not in use by default).
+
+ ---
+
+ [Description]
Grub supports booting files over the network via both FTP/HTTP. However, the
Ubuntu package is not built with the grub HTTP modules. Enabling this would
allow grub to obtain files over HTTP (such as initrd/kernel).
[Rationale]
Enabling HTTP support for Grub would allow MAAS to use such functionality to
boot files over the network with HTTP. This allows for improvement performance
(vs using ftp) and for better security.
MAAS would use this to download kernel and initrd over HTTP instead of
FTP at first for performance improvements.
[Original bug report]
GRUB has builtin support for HTTP via http.mod. This module is not being
included in the prebuild grubnetx64.efi. All that should be required is
adding the http module. I also suggest building grubnetx64.efi using
GRUB modules to include lvm and RAID support this will allow
grubnetx64.efi to local boot in all situations.
--- build-efi-images 2018-08-17 10:50:35.124311043 -0700
+++ build-efi-images.new 2018-08-17 10:50:59.270661126 -0700
@@ -148,8 +148,9 @@
raid5rec
raid6rec
"
-NET_MODULES="$CD_MODULES
+NET_MODULES="$GRUB_MODULES
tftp
+ http
"
"$grub_mkimage" -O "$platform" -o "$outdir/gcd$efi_name.efi" \
--
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https://bugs.launchpad.net/bugs/1787630
Title:
[FFe] Include HTTP support in pre-build GRUB module
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