boot: extend bootable raid for poweredge devices

subiquity/common/filesystem/boot.py

@@ -20,12 +20,24 @@ from typing import Any, Optional
 
 import attr
 
+from subiquity.common.dmidecode import dmidecode_get
 from subiquity.common.filesystem import gaps, sizes
 from subiquity.models.filesystem import Bootloader, Disk, Partition, Raid, align_up
 
 log = logging.getLogger("subiquity.common.filesystem.boot")
 
 
+def bootable_raid(raid: Raid):
+    if raid._m.bootloader != Bootloader.UEFI:
+        return False
+    if raid.container is not None and raid.container.metadata == "imsm":
+        return True
+    if "poweredge" in dmidecode_get("system-product-name").lower():
+        # LP: #1961079 - all poweredge devices assumed to support raid UEFI boot
+        return True
+    return False
+
+
 @functools.singledispatch
 def is_boot_device(device):
     """Is `device` a boot device?"""
@@ -45,10 +57,7 @@ def _is_boot_device_disk(disk):
 
 @is_boot_device.register(Raid)
 def _is_boot_device_raid(raid):
-    bl = raid._m.bootloader
-    if bl != Bootloader.UEFI:
-        return False
-    if not raid.container or raid.container.metadata != "imsm":
+    if not bootable_raid(raid):
         return False
     return any(p.grub_device for p in raid._partitions)
 
@@ -344,10 +353,7 @@ def _can_be_boot_device_disk(disk, *, resize_partition=None, with_reformatting=F
 
 @can_be_boot_device.register(Raid)
 def _can_be_boot_device_raid(raid, *, resize_partition=None, with_reformatting=False):
-    bl = raid._m.bootloader
-    if bl != Bootloader.UEFI:
-        return False
-    if not raid.container or raid.container.metadata != "imsm":
+    if not bootable_raid(raid):
         return False
     if with_reformatting:
         return True

subiquity/common/filesystem/tests/test_boot.py

@@ -14,7 +14,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import unittest
-from unittest.mock import Mock
+from unittest.mock import Mock, patch
 
 from subiquity.common.filesystem import boot
 from subiquity.models.filesystem import Bootloader
@@ -26,7 +26,9 @@ class TestBootDevRaid(unittest.TestCase):
         raid = make_raid(make_model(Bootloader.BIOS))
         self.assertFalse(boot.can_be_boot_device(raid))
 
-    def test_UEFI_no_container(self):
+    @patch("subiquity.common.filesystem.boot.dmidecode_get")
+    def test_UEFI_no_container(self, dmi_get):
+        dmi_get.return_value = ""
         raid = make_raid(make_model(Bootloader.UEFI))
         raid.container = None
         self.assertFalse(boot.can_be_boot_device(raid))
@@ -37,8 +39,24 @@ class TestBootDevRaid(unittest.TestCase):
         raid.container.metadata = "imsm"
         self.assertTrue(boot.can_be_boot_device(raid))
 
-    def test_UEFI_container_non_imsm(self):
+    @patch("subiquity.common.filesystem.boot.dmidecode_get")
+    def test_UEFI_container_non_imsm(self, dmi_get):
+        dmi_get.return_value = ""
         raid = make_raid(make_model(Bootloader.UEFI))
         raid.container = Mock()
         raid.container.metadata = "something else"
         self.assertFalse(boot.can_be_boot_device(raid))
+
+    @patch("subiquity.common.filesystem.boot.dmidecode_get")
+    def test_UEFI_spn_poweredge(self, dmi_get):
+        dmi_get.return_value = "CompanyName PowerEdge 1234"
+        raid = make_raid(make_model(Bootloader.UEFI))
+        raid.container = None
+        self.assertTrue(boot.can_be_boot_device(raid))
+
+    @patch("subiquity.common.filesystem.boot.dmidecode_get")
+    def test_UEFI_spn_other(self, dmi_get):
+        dmi_get.return_value = "CompanyName ProductName 1227"
+        raid = make_raid(make_model(Bootloader.UEFI))
+        raid.container = None
+        self.assertFalse(boot.can_be_boot_device(raid))