def test_is_vmfs_partition_false_different_block_device(self):
node = factory.make_Node(with_boot_disk=False)
factory.make_PhysicalBlockDevice(node=node, size=LARGE_BLOCK_DEVICE)
layout = VMFS6StorageLayout(node)
layout.configure()
other_bd_part = factory.make_Partition(node=node)
self.assertFalse(other_bd_part.is_vmfs_partition())
def make_Node_with_VMFS6_layout(*args, **kwargs):
"""Create a node with the VMFS6 storage layout applied."""
kwargs['with_boot_disk'] = False
node = factory.make_Node(*args, **kwargs)
factory.make_PhysicalBlockDevice(node=node, size=LARGE_BLOCK_DEVICE)
layout = VMFS6StorageLayout(node)
layout.configure()
return node
def test_delete_not_allowed_if_part_of_vmfs_layout(self):
node = factory.make_Node(with_boot_disk=False)
bd = factory.make_PhysicalBlockDevice(node=node,
size=LARGE_BLOCK_DEVICE)
layout = VMFS6StorageLayout(node)
layout.configure()
pt = bd.get_partitiontable()
partition = random.choice(list(pt.partitions.all()))
self.assertRaises(ValidationError, partition.delete)
def test_is_vmfs_partition_false_extra_partition(self):
node = factory.make_Node(with_boot_disk=False)
bd = factory.make_PhysicalBlockDevice(node=node,
size=LARGE_BLOCK_DEVICE)
layout = VMFS6StorageLayout(node, {"root_size": 10 * 1024**3})
layout.configure()
pt = bd.get_partitiontable()
extra_partition = pt.add_partition()
self.assertFalse(extra_partition.is_vmfs_partition())
def test_is_vmfs_partition(self):
node = factory.make_Node(with_boot_disk=False)
bd = factory.make_PhysicalBlockDevice(node=node,
size=LARGE_BLOCK_DEVICE)
layout = VMFS6StorageLayout(node)
layout.configure()
pt = bd.get_partitiontable()
for partition in pt.partitions.all():
self.assertTrue(partition.is_vmfs_partition())
def test_get_partition_number_returns_vmfs_order(self):
node = factory.make_Node(with_boot_disk=False)
bd = factory.make_PhysicalBlockDevice(
node=node, size=LARGE_BLOCK_DEVICE)
layout = VMFS6StorageLayout(node)
layout.configure()
pt = bd.get_partitiontable()
self.assertItemsEqual(
[1, 2, 3, 5, 6, 7, 8, 9],
[part.get_partition_number() for part in pt.partitions.all()])
def test_is_not_valid_if_vmfs_partition(self):
node = factory.make_Node(with_boot_disk=False)
bd = factory.make_PhysicalBlockDevice(node=node,
size=LARGE_BLOCK_DEVICE)
layout = VMFS6StorageLayout(node)
layout.configure()
pt = bd.get_partitiontable()
partition = random.choice(list(pt.partitions.all()))
form = FormatPartitionForm(partition, {"fstype": FILESYSTEM_TYPE.EXT4})
self.assertFalse(form.is_valid())
def get_partition_number(self):
"""Return the partition number in the table."""
# Avoid circular imports.
from maasserver.storage_layouts import VMFS6StorageLayout
# Sort manually instead of with `order_by`, this will prevent django
# from making a query if the partitions are already cached.
partitions_in_table = self.partition_table.partitions.all()
partitions_in_table = sorted(partitions_in_table, key=attrgetter('id'))
idx = partitions_in_table.index(self)
if self.partition_table.table_type == PARTITION_TABLE_TYPE.GPT:
# In some instances the first partition is skipped because it
# is used by the machine architecture for a specific reason.
# * ppc64el - reserved for prep partition
# * amd64 (not UEFI) - reserved for bios_grub partition
node = self.get_node()
arch, _ = node.split_arch()
boot_disk = node.get_boot_disk()
bios_boot_method = node.get_bios_boot_method()
block_device = self.partition_table.block_device
vmfs_layout = VMFS6StorageLayout(self.get_node())
vmfs_bd = vmfs_layout.is_layout()
if vmfs_bd is not None:
# VMware ESXi is a DD image but MAAS allows partitions to
# be added to the end of the disk as well as resize the
# datastore partition. The EFI partition is already in the
# image so there is no reason to account for it.
if vmfs_bd.id == block_device.id and idx >= 3:
# VMware ESXi skips the 4th partition.
return idx + 2
else:
return idx + 1
elif (arch == "ppc64el" and block_device.id == boot_disk.id):
return idx + 2
elif arch == "amd64" and bios_boot_method != "uefi":
if block_device.type == 'physical':
# Delay the `type` check because it can cause a query. Only
# physical block devices get the bios_grub partition.
return idx + 2
else:
return idx + 1
else:
return idx + 1
elif self.partition_table.table_type == PARTITION_TABLE_TYPE.MBR:
# If more than 4 partitions then the 4th partition number is
# skipped because that is used for the extended partition.
if len(partitions_in_table) > 4 and idx > 2:
return idx + 2
else:
return idx + 1
else:
raise ValueError("Unknown partition table type.")
def is_vmfs_partition(self):
# Avoid circular imports.
from maasserver.storage_layouts import VMFS6StorageLayout
vmfs_layout = VMFS6StorageLayout(self.get_node())
vmfs_bd = vmfs_layout.is_layout()
if vmfs_bd is None:
return False
if vmfs_bd.id != self.partition_table.block_device_id:
return False
if self.get_partition_number() >= len(vmfs_layout.base_partitions) + 2:
# A user may apply the VMFS6 layout and leave space at the end of
# the disk for additional VMFS datastores. Those partitions may be
# deleted, the base partitions may not as they are part of the DD.
# The + 2 is to account for partition 4 being skipped.
return False
return True
def test_POST_creates_with_block_devices_and_partitions(self):
self.become_admin()
node = factory.make_Machine(status=NODE_STATUS.READY,
with_boot_disk=False)
node.boot_disk = factory.make_PhysicalBlockDevice(
node=node, size=LARGE_BLOCK_DEVICE)
layout = VMFS6StorageLayout(node)
layout.configure()
block_devices = [
factory.make_PhysicalBlockDevice(node=node) for _ in range(3)
]
block_device = factory.make_PhysicalBlockDevice(
node=node,
size=MIN_PARTITION_SIZE * 3 + PARTITION_TABLE_EXTRA_SPACE,
)
partition_table = factory.make_PartitionTable(
block_device=block_device)
partitions = [
partition_table.add_partition(size=MIN_PARTITION_SIZE)
for _ in range(2)
]
name = factory.make_name("name")
vmfs_uuid = uuid.uuid4()
response = self.client.post(
self.get_vmfs_uri(node),
{
"name": name,
"uuid": vmfs_uuid,
"block_devices": [bd.id for bd in block_devices],
"partitions": [part.id for part in partitions],
},
)
self.assertThat(response, HasStatusCode(http.client.OK))
parsed_results = json_load_bytes(response.content)
self.assertEquals(node.system_id, parsed_results["system_id"])
# VMFS should be using the 5 devices we listed above.
self.assertEquals(5, len(parsed_results["devices"]))
# VMFS should be using all the block devices we created.
self.assertItemsEqual(
[bd.id for bd in block_devices] + [block_device.id],
set([result["device_id"] for result in parsed_results["devices"]]),
)
