Re: [Libguestfs] [PATCH guestfs-tools] builder: templates: Enable Fedora image update again
On 04/08/22 16:59, Richard W.M. Jones wrote:
Fixes: commit 3fe941767042bf83d9a252b0819fa6d5a48059d0
---
builder/templates/make-template.ml | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/builder/templates/make-template.ml b/builder/templates/make-template.ml
index fe3039aa06..51f72da969 100755
--- a/builder/templates/make-template.ml
+++ b/builder/templates/make-template.ml
@@ -649,9 +649,11 @@ dracut -f /boot/initramfs-$KERNEL_VERSION.img $KERNEL_VERSION
bpf "%%post\n";
bpf "\
# Ensure the installation is up-to-date.
-# This makes Fedora >= 33 unbootable, see:
+dnf -y --best upgrade
+# This required otherwise the kernel will not be bootable, see
# https://bugzilla.redhat.com/show_bug.cgi?id=1911177
-#dnf -y --best upgrade
+# https://bugzilla.redhat.com/show_bug.cgi?id=1945835#c24
+grub2-mkconfig -o /boot/grub2/grub.cfg
";
let needs_regenerate_dracut = ref false in
Still a fedora bug; after a kernel update, the grub config should be
refreshed automatically.
Anyway, I guess my more important remark is: the grub.cfg location
depends on whether the system is UEFI-based or not. Normally,
grub2-mkconfig is invoked against "/etc/grub2.cfg" (on a BIOS system) or
"/etc/grub2-efi.cfg" (on a UEFI system). And those are symlinks:
lrwxrwxrwx. 1 root root 31 2021-11-01 12:21:13 +0100 /etc/grub2-efi.cfg ->
../boot/efi/EFI/redhat/grub.cfg
lrwxrwxrwx. 1 root root 22 2021-11-01 12:21:07 +0100 /etc/grub2.cfg ->
../boot/grub2/grub.cfg
The patch (effectively) assumes BIOS and resolves "/etc/grub2.cfg" to
"/boot/grub2/grub.cfg".
So (I think) I would consult "needs_uefi" here, and direct the output to
"/etc/grub2-efi.cfg" vs. "/etc/grub2.cfg". I expect Fedora 33 is
available on aarch64 (which is UEFI only), and therefore this could make
an actual difference.
Thanks,
Laszlo