def test_updates_virtual_block_device(self):
block_device = factory.make_VirtualBlockDevice()
name = factory.make_name("lv")
vguuid = "%s" % uuid.uuid4()
size = random.randint(MIN_BLOCK_DEVICE_SIZE,
block_device.filesystem_group.get_size())
form = UpdateVirtualBlockDeviceForm(
instance=block_device,
data={
"name": name,
"uuid": vguuid,
"size": size
},
)
self.assertTrue(form.is_valid(), form.errors)
block_device = form.save()
expected_size = round_size_to_nearest_block(size,
PARTITION_ALIGNMENT_SIZE,
False)
self.assertThat(
block_device,
MatchesStructure.byEquality(name=name,
uuid=vguuid,
size=expected_size),
)
def update_disk(self, params):
"""Update disk information."""
# Only admin users can perform delete.
if not reload_object(self.user).is_superuser:
raise HandlerPermissionError()
node = self.get_object(params)
device = BlockDevice.objects.get(id=params['block_id'],
node=node).actual_instance
if device.type == 'physical':
form = UpdatePhysicalBlockDeviceForm(instance=device, data=params)
elif device.type == 'virtual':
form = UpdateVirtualBlockDeviceForm(instance=device, data=params)
else:
raise HandlerError('Cannot update block device of type %s' %
device.type)
if not form.is_valid():
raise HandlerError(form.errors)
else:
disk_obj = form.save()
self._update_obj_tags(disk_obj, params)
if 'fstype' in params:
self.update_blockdevice_filesystem(
disk_obj, params['fstype'], params.get('mount_point', ''),
params.get('mount_options', ''))
def update_disk(self, params):
"""Update disk information."""
node = self._get_node_or_permission_error(
params, permission=self._meta.edit_permission)
device = BlockDevice.objects.get(
id=params['block_id'], node=node).actual_instance
if device.type == 'physical':
form = UpdatePhysicalBlockDeviceForm(
instance=device, data=params)
elif device.type == 'virtual':
form = UpdateVirtualBlockDeviceForm(
instance=device, data=params)
else:
raise HandlerError(
'Cannot update block device of type %s' % device.type)
if not form.is_valid():
raise HandlerError(form.errors)
else:
disk_obj = form.save()
self._update_obj_tags(disk_obj, params)
if 'fstype' in params:
self.update_blockdevice_filesystem(
disk_obj, params['fstype'],
params.get('mount_point', ''),
params.get('mount_options', ''))
def update(self, request, system_id, id):
"""Update block device on a machine.
Machines must have a status of Ready to have access to all options.
Machines with Deployed status can only have the name, model, serial,
and/or id_path updated for a block device. This is intented to allow a
bad block device to be replaced while the machine remains deployed.
Fields for physical block device:
:param name: Name of the block device.
:param model: Model of the block device.
:param serial: Serial number of the block device.
:param id_path: (optional) Only used if model and serial cannot be \
provided. This should be a path that is fixed and doesn't change \
depending on the boot order or kernel version.
:param size: Size of the block device.
:param block_size: Block size of the block device.
Fields for virtual block device:
:param name: Name of the block device.
:param uuid: UUID of the block device.
:param size: Size of the block device. (Only allowed for logical \
volumes.)
Returns 404 if the machine or block device is not found.
Returns 403 if the user is not allowed to update the block device.
Returns 409 if the machine is not Ready.
"""
device = BlockDevice.objects.get_block_device_or_404(
system_id, id, request.user, NODE_PERMISSION.ADMIN)
node = device.get_node()
if node.status not in [NODE_STATUS.READY, NODE_STATUS.DEPLOYED]:
raise NodeStateViolation(
"Cannot update block device because the machine is not Ready.")
if node.status == NODE_STATUS.DEPLOYED:
if device.type == 'physical':
form = UpdateDeployedPhysicalBlockDeviceForm(instance=device,
data=request.data)
else:
raise NodeStateViolation(
"Cannot update virtual block device because the machine "
"is Deployed.")
else:
if device.type == 'physical':
form = UpdatePhysicalBlockDeviceForm(instance=device,
data=request.data)
elif device.type == 'virtual':
form = UpdateVirtualBlockDeviceForm(instance=device,
data=request.data)
else:
raise ValueError('Cannot update block device of type %s' %
device.type)
if form.is_valid():
return form.save()
else:
raise MAASAPIValidationError(form.errors)
def update(self, request, system_id, id):
"""@description-title Update a block device
@description Update block device on a given machine.
Machines must have a status of Ready to have access to all options.
Machines with Deployed status can only have the name, model, serial,
and/or id_path updated for a block device. This is intented to allow a
bad block device to be replaced while the machine remains deployed.
@param (string) "{system_id}" [required=true] The machine system_id.
@param (string) "{id}" [required=true] The block device's id.
@param (string) "name" [required=false] (Physical devices) Name of the
block device.
@param (string) "model" [required=false] (Physical devices) Model of
the block device.
@param (string) "serial" [required=false] (Physical devices) Serial
number of the block device.
@param (string) "id_path" [required=false] (Physical devices) Only used
if model and serial cannot be provided. This should be a path that is
fixed and doesn't change depending on the boot order or kernel version.
@param (string) "size" [required=false] (Physical devices) Size of the
block device.
@param (string) "block_size" [required=false] (Physical devices) Block
size of the block device.
@param (string) "name" [required=false] (Virtual devices) Name of
the block device.
@param (string) "uuid" [required=false] (Virtual devices) UUID of
the block device.
@param (string) "size" [required=false] (Virtual devices) Size of
the block device. (Only allowed for logical volumes.)
@success (http-status-code) "server-success" 200
@success (json) "success-json" A JSON object containing the updated
block device.
@success-example "success-json" [exkey=block-devs-update] placeholder
text
@error (http-status-code) "403" 403
@error (content) "no-perms" The user does not have permissions to
update the block device.
@error (http-status-code) "404" 404
@error (content) "not-found" The requested machine or block device is
not found.
@error-example "not-found"
Not Found
@error (http-status-code) "409" 409
@error (content) "not-ready" The requested machine is not ready.
"""
device = BlockDevice.objects.get_block_device_or_404(
system_id, id, request.user, NodePermission.admin)
node = device.get_node()
if node.status not in [NODE_STATUS.READY, NODE_STATUS.DEPLOYED]:
raise NodeStateViolation(
"Cannot update block device because the machine is not Ready.")
if node.status == NODE_STATUS.DEPLOYED:
if device.type == "physical":
form = UpdateDeployedPhysicalBlockDeviceForm(instance=device,
data=request.data)
else:
raise NodeStateViolation(
"Cannot update virtual block device because the machine "
"is Deployed.")
else:
if device.type == "physical":
form = UpdatePhysicalBlockDeviceForm(instance=device,
data=request.data)
elif device.type == "virtual":
form = UpdateVirtualBlockDeviceForm(instance=device,
data=request.data)
else:
raise ValueError("Cannot update block device of type %s" %
device.type)
if form.is_valid():
return form.save()
else:
raise MAASAPIValidationError(form.errors)
def test_requires_no_fields(self):
block_device = factory.make_VirtualBlockDevice()
form = UpdateVirtualBlockDeviceForm(instance=block_device, data={})
self.assertTrue(form.is_valid(), form.errors)
self.assertItemsEqual([], form.errors.keys())