Merge pull request #1244 from vojtechtrefny/3.10-devel_raid-on-luks-test

tests: Add a test case with MD array on LUKS

tests/storage_tests/devices_test/md_test.py

@@ -209,6 +209,128 @@ def test_mdraid_members_add_remove(self):
         self.assertIsNone(part.format.md_uuid)
 
 
+class MDLUKSTestCase(StorageTestCase):
+
+    raidname = "blivetTestRAIDLUKS"
+    passphrase = "passphrase"
+
+    def setUp(self):
+        super().setUp()
+
+        disks = [os.path.basename(vdev) for vdev in self.vdevs]
+        self.storage = blivet.Blivet()
+        self.storage.exclusive_disks = disks
+        self.storage.reset()
+
+        # make sure only the targetcli disks are in the devicetree
+        for disk in self.storage.disks:
+            self.assertTrue(disk.path in self.vdevs)
+            self.assertIsNone(disk.format.type)
+            self.assertFalse(disk.children)
+
+    def _clean_up(self):
+        self.storage.reset()
+        for disk in self.storage.disks:
+            if disk.path not in self.vdevs:
+                raise RuntimeError("Disk %s found in devicetree but not in disks created for tests" % disk.name)
+            self.storage.recursive_remove(disk)
+
+        self.storage.do_it()
+
+        return super()._clean_up()
+
+    def _prepare_members(self, members):
+        luks_devs = []
+        for i in range(members):
+            disk = self.storage.devicetree.get_device_by_path(self.vdevs[i])
+            self.assertIsNotNone(disk)
+            self.storage.initialize_disk(disk)
+
+            part = self.storage.new_partition(size=blivet.size.Size("100 MiB"), fmt_type="luks",
+                                              fmt_args={"passphrase": self.passphrase},
+                                              parents=[disk])
+            self.storage.create_device(part)
+
+            luks_dev = blivet.devices.LUKSDevice("luks-%s" % part.name, size=part.size,
+                                                 parents=[part])
+            self.storage.create_device(luks_dev)
+            self.storage.format_device(luks_dev, blivet.formats.get_format("mdmember"))
+            luks_devs.append(luks_dev)
+
+        blivet.partitioning.do_partitioning(self.storage)
+
+        return luks_devs
+
+    def _test_mdraid(self, raid_level, members):
+        luks_devs = self._prepare_members(members)
+        array = self.storage.new_mdarray(name=self.raidname, parents=luks_devs,
+                                         level=raid_level, total_devices=members,
+                                         member_devices=members)
+        self.storage.create_device(array)
+
+        with wait_for_resync():
+            self.storage.do_it()
+        self.storage.reset()
+
+        array = self.storage.devicetree.get_device_by_name(self.raidname)
+        self.assertIsNotNone(array)
+        self.assertEqual(array.level, raid_level)
+        self.assertEqual(array.member_devices, members)
+        self.assertEqual(array.spares, 0)
+        self.assertCountEqual([m.name for m in array.members],
+                              [p.name for p in luks_devs])
+        for member in array.members:
+            self.assertEqual(member.format.md_uuid, array.uuid)
+
+        array.teardown()
+        for member in array.members:
+            member.teardown()
+
+        parts_names = [parent.parents[0].name for parent in array.members]
+
+        self.storage.reset()
+
+        parts = []
+        for name in parts_names:
+            part = self.storage.devicetree.get_device_by_name(name)
+            self.assertIsNotNone(part)
+            self.assertEqual(part.format.type, "luks")
+            parts.append(part)
+
+        # unlock just one of the LUKS partitions
+        parts[0].format.passphrase = self.passphrase
+        parts[0].format.setup()
+        self.assertTrue(parts[0].format.status)
+
+        self.storage.devicetree.populate()
+
+        # array should not be in the tree
+        array = self.storage.devicetree.get_device_by_name(self.raidname)
+
+        self.assertIsNone(array)
+
+        # unlock rest of the LUKS devices
+        for part in parts[1:]:
+            part.format.passphrase = self.passphrase
+            part.format.setup()
+            self.assertTrue(parts[0].format.status)
+
+        # now the array should be in the tree and we should be able to activate it
+        self.storage.devicetree.populate()
+        array = self.storage.devicetree.get_device_by_name(self.raidname)
+        self.assertIsNotNone(array)
+
+        array.setup()
+        self.assertTrue(array.status)
+        self.assertEqual(len(array.members), members)
+
+    def test_luks_mdraid_raid0(self):
+        self._test_mdraid(blivet.devicelibs.raid.RAID0, 2)
+
+    def test_luks_mdraid_raid1(self):
+        self._test_mdraid(blivet.devicelibs.raid.RAID1, 2)
+
+
 class BIOSRAIDTestCase(StorageTestCase):
 
     def setUp(self):