Make GPT default label type on all architectures

Resolves: RHEL-52200
This commit is contained in:
Vojtech Trefny 2024-11-19 13:23:50 +01:00
parent a7eddd983a
commit b475497402
2 changed files with 128 additions and 1 deletions

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@ -0,0 +1,122 @@
From c8eff25e4c25183a76e97108d4607455cfc96ae2 Mon Sep 17 00:00:00 2001
From: Vojtech Trefny <vtrefny@redhat.com>
Date: Thu, 14 Nov 2024 14:53:28 +0100
Subject: [PATCH] Make GPT default label type on all architectures
Exceptions are DASD drives on s390 and 32bit ARM. Everywhere else
GPT will be default.
Resolves: RHEL-52200
---
blivet/formats/disklabel.py | 11 +++++-----
.../formats_tests/disklabel_test.py | 20 +++++++++----------
2 files changed, 16 insertions(+), 15 deletions(-)
diff --git a/blivet/formats/disklabel.py b/blivet/formats/disklabel.py
index f2857f07..8b39dc79 100644
--- a/blivet/formats/disklabel.py
+++ b/blivet/formats/disklabel.py
@@ -220,12 +220,13 @@ class DiskLabel(DeviceFormat):
@classmethod
def get_platform_label_types(cls):
- label_types = ["msdos", "gpt"]
+ # always prefer gpt except for configurations below
+ label_types = ["gpt", "msdos"]
if arch.is_pmac():
label_types = ["mac"]
- # always prefer gpt on aarch64, x86_64, and EFI plats except 32-bit ARM
- elif arch.is_aarch64() or arch.is_x86(bits=64) or (arch.is_efi() and not arch.is_arm()):
- label_types = ["gpt", "msdos"]
+ # prefet msdos on 32-bit ARM
+ elif arch.is_arm():
+ label_types = ["msdos", "gpt"]
elif arch.is_s390():
label_types += ["dasd"]
@@ -254,7 +255,7 @@ class DiskLabel(DeviceFormat):
if arch.is_s390():
if blockdev.s390.dasd_is_fba(self.device):
# the device is FBA DASD
- return "msdos"
+ return "gpt"
elif self.parted_device.type == parted.DEVICE_DASD:
# the device is DASD
return "dasd"
diff --git a/tests/unit_tests/formats_tests/disklabel_test.py b/tests/unit_tests/formats_tests/disklabel_test.py
index 9f6e4542..823a3663 100644
--- a/tests/unit_tests/formats_tests/disklabel_test.py
+++ b/tests/unit_tests/formats_tests/disklabel_test.py
@@ -71,7 +71,7 @@ class DiskLabelTestCase(unittest.TestCase):
arch.is_pmac.return_value = False
arch.is_x86.return_value = False
- self.assertEqual(disklabel_class.get_platform_label_types(), ["msdos", "gpt"])
+ self.assertEqual(disklabel_class.get_platform_label_types(), ["gpt", "msdos"])
arch.is_pmac.return_value = True
self.assertEqual(disklabel_class.get_platform_label_types(), ["mac"])
@@ -100,7 +100,7 @@ class DiskLabelTestCase(unittest.TestCase):
arch.is_efi.return_value = False
arch.is_s390.return_value = True
- self.assertEqual(disklabel_class.get_platform_label_types(), ["msdos", "gpt", "dasd"])
+ self.assertEqual(disklabel_class.get_platform_label_types(), ["gpt", "msdos", "dasd"])
arch.is_s390.return_value = False
def test_label_type_size_check(self):
@@ -121,14 +121,14 @@ class DiskLabelTestCase(unittest.TestCase):
with patch.object(blivet.formats.disklabel.DiskLabel, "parted_device", new=PropertyMock(return_value=None)):
# no parted device -> no passing size check
- self.assertEqual(dl._label_type_size_check("msdos"), False)
+ self.assertEqual(dl._label_type_size_check("gpt"), False)
@patch("blivet.formats.disklabel.arch")
def test_best_label_type(self, arch):
"""
1. is always in _disklabel_types
2. is the default unless the device is too long for the default
- 3. is msdos for fba dasd on S390
+ 3. is gpt for fba dasd on S390
4. is dasd for non-fba dasd on S390
"""
dl = blivet.formats.disklabel.DiskLabel()
@@ -144,17 +144,17 @@ class DiskLabelTestCase(unittest.TestCase):
arch.is_x86.return_value = False
with patch.object(dl, '_label_type_size_check') as size_check:
- # size check passes for first type ("msdos")
+ # size check passes for first type ("gpt")
size_check.return_value = True
- self.assertEqual(dl._get_best_label_type(), "msdos")
+ self.assertEqual(dl._get_best_label_type(), "gpt")
# size checks all fail -> label type is None
size_check.return_value = False
self.assertEqual(dl._get_best_label_type(), None)
- # size check passes on second call -> label type is "gpt" (second in platform list)
+ # size check passes on second call -> label type is "msdos" (second in platform list)
size_check.side_effect = [False, True]
- self.assertEqual(dl._get_best_label_type(), "gpt")
+ self.assertEqual(dl._get_best_label_type(), "msdos")
arch.is_pmac.return_value = True
with patch.object(dl, '_label_type_size_check') as size_check:
@@ -175,10 +175,10 @@ class DiskLabelTestCase(unittest.TestCase):
size_check.return_value = True
with patch("blivet.formats.disklabel.blockdev.s390") as _s390:
_s390.dasd_is_fba.return_value = False
- self.assertEqual(dl._get_best_label_type(), "msdos")
+ self.assertEqual(dl._get_best_label_type(), "gpt")
_s390.dasd_is_fba.return_value = True
- self.assertEqual(dl._get_best_label_type(), "msdos")
+ self.assertEqual(dl._get_best_label_type(), "gpt")
_s390.dasd_is_fba.return_value = False
dl._parted_device.type = parted.DEVICE_DASD
--
2.47.0

View File

@ -5,7 +5,7 @@ Version: 3.10.0
#%%global prerelease .b2
# prerelease, if defined, should be something like .a1, .b1, .b2.dev1, or .c2
Release: 12%{?prerelease}%{?dist}
Release: 13%{?prerelease}%{?dist}
Epoch: 1
License: LGPL-2.1-or-later
%global realname blivet
@ -26,6 +26,7 @@ Patch6: 0007-Fix-checking-for-NVMe-plugin-availability.patch
Patch7: 0008-Align-sizes-up-for-growable-LVs.patch
Patch8: 0009-mod_pass_in_stratis_test.patch
Patch9: 0010-Fix_running_tests_in_FIPS_mode.patch
Patch10: 0011-Make-GPT-default-label-type-on-all-architectures.patch
# Versions of required components (done so we make sure the buildrequires
# match the requires versions of things).
@ -120,6 +121,10 @@ make DESTDIR=%{buildroot} install
%{python3_sitelib}/*
%changelog
* Tue Nov 19 2024 Vojtech Trefny <vtrefny@redhat.com> - 3.10.0-13
- Make GPT default label type on all architectures
Resolves: RHEL-52200
* Tue Nov 12 2024 Vojtech Trefny <vtrefny@redhat.com> - 3.10.0-12
- Fix running tests in FIPS mode
Resolves: RHEL-45173