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Replace unexistent mountpoint variable to report a failed
mount operation before an OS probe from a partition.
Improve the semantics of the error message replacing 'at' with
'into'.
Remove the period at the end of the log message.
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Implement a Python equivalent of ogCopyEfiBootLoader as the
function copy_efi_bootloader. This function copies the contents of
the folder of the EFI loader in the ESP into a ogBoot folder at
the root of the partition target of an image creation.
copy_efi_bootloader is a Windows only functionality.
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Make is_uefi_supported() only check for /sys/firmware/efi as
get_efi_partition() will detect a missing ESP or an invalid
partition scheme. Stop using get_efi_partition() inside
is_uefi_supported() as the former is eventually called in every
UEFI related code.
UEFI supports both MBR and GPT as partition schemes and this is
a required change to handle the particular case of Windows not
being able to boot UEFI from a MBR partition scheme.
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Use only the exception messages as the main resource for error
messages.
The previous error code had string duplication in the form of:
logging.error('msg here')
raise Exception('msg here')
That approach also has the downside of having log duplication as
it had the local logging.err() and a global logging.exception()
inside send_internal_server_error capturing the exception message.
The actual code only requires raising an exception with a proper
error message.
Improve exception messages to give more error context.
Log every AssertionError as a backtrace.
Use the 'raise Exception from e' syntax to modify the a previously
raised exception 'e' into an exception with aditional context or
different type. This also prevents the message that warns about
newer exceptions being launch after an initial exception.
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Checking the existence /sys/firmware/efi as it might appear
sometimes in BIOS installs if the BIOS configuration is not
proper. Checking for the EFI partition is the safest method
to veryfy the install type.
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debian package with json support provides the binary through this path, update it.
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The json functionality proposed upstream might be merged one day
in efibootmgr so deploying a fork would not be needed anymore.
This change aims to ease the migration once that day comes.
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Add UEFI related utilities inside a new utility module: uefi.py
_check_efibootmgr_json
======================
Check if the system efibootmgr executable supports JSON output. This is
a private function used only by other functions from uefi.py.
is_uefi_supported
=================
Check if the system supports UEFI firmware.
run_efibootmgr_json
===================
Runs efibootmgr with json output support. Return the JSON output as a
Python dict.
efibootmgr_create_bootentry
===========================
Create nvram boot entry. This bootentry is usually later set to boot
next just once via "BootNext" nvram variable.
efibootmgr_delete_bootentry
===========================
Delete a nvram boot entry. Used to avoid duplicates when booting the
same disk and partition from a given client.
efibootmgr_bootnext
===================
Set nvram "BootNext" variable to a given boot entry so after client
reboot, PXE is not executed and the given boot entry takes precedence.
Add dependency with efibootmgr version >= 18, and efibootmgr JSON output
which is currently out of tree from util-linux repo.
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