def unmount_special(self, params):
"""Unmount a special-purpose filesystem, like tmpfs.
:param mount_point: Path on the filesystem to unmount.
:attention: This is more or less a copy of `unmount_special` from
`m.api.machines`.
"""
machine = self.get_object(params)
if machine.locked:
raise HandlerPermissionError()
self._preflight_special_filesystem_modifications("unmount", machine)
form = UnmountNonStorageFilesystemForm(machine, data=params)
if form.is_valid():
form.save()
else:
raise HandlerValidationError(form.errors)
def test_will_not_unmount_filesystem_on_block_device(self):
node = factory.make_Node()
block_device = factory.make_BlockDevice(node=node)
filesystem = factory.make_Filesystem(
mount_point=factory.make_absolute_path(),
block_device=block_device)
form = UnmountNonStorageFilesystemForm(
node, data={"mount_point": filesystem.mount_point})
self.assertFalse(form.is_valid())
self.assertThat(
form.errors,
Equals({
"mount_point":
["No special filesystem is "
"mounted at this path."]
}),
)
def test_will_not_unmount_filesystem_on_partition(self):
node = factory.make_Node()
partition = factory.make_Partition(node=node)
filesystem = factory.make_Filesystem(
mount_point=factory.make_absolute_path(), partition=partition
)
form = UnmountNonStorageFilesystemForm(
node, data={"mount_point": filesystem.mount_point}
)
self.assertFalse(form.is_valid())
self.assertThat(
form.errors,
Equals(
{
"mount_point": [
"No special filesystem is mounted at this path."
]
}
),
)
def test_requires_mount_point(self):
node = factory.make_Node()
form = UnmountNonStorageFilesystemForm(node, data={})
self.assertFalse(form.is_valid())
self.assertThat(form.errors,
Equals({"mount_point": ["This field is required."]}))
