Disable partition resize support for DASD labels (#605912)
This new version looks good. You could remove the check for self.disk
since StorageDevice.resizable checks that the device exists which, in
the case of a PartitionDevice, means that self.disk is set to a
StorageDevice instance of some sort.
On Wed, 2011-01-26 at 14:07 -1000, David Cantrell wrote:
> On Wed, 26 Jan 2011, David Lehman wrote:
> > On Wed, 2011-01-26 at 12:28 -1000, David Cantrell wrote:
> >> This just doesn't work and I have no idea when it will work in the
> >> future, so we should just prevent users from trying this. Such a narrow
> >> use case.
> > It would be nicer IMO to implement PartitionDevice.resizable such that
> > it does this new check and also checks super(StorageDevice,
> > self).resizable. This would remove the need to check hasattr(self,
> > "disk").
> > Dave
> >> ---
> >> storage/devices.py | 3 +++
> >> 1 files changed, 3 insertions(+), 0 deletions(-)
> >> diff --git a/storage/devices.py b/storage/devices.py
> >> index 61082be..9695470 100644
> >> --- a/storage/devices.py
> >> +++ b/storage/devices.py
> >> @@ -590,6 +590,9 @@ class StorageDevice(Device):
> >> @property
> >> def resizable(self):
> >> """ Can this type of device be resized? """
> >> + if hasattr(self, "disk") and self.disk and self.disk.type == 'dasd':
> >> + return False
> >> +
> >> return self._resizable and self.exists and
> >> ((self.format and self.format.resizable) or not self.format)
> How about this revision:
> commit a703eb5ae5eb4a8585d69d82084748136d551c7e
> Author: David Cantrell <firstname.lastname@example.org>
> Date: Wed Jan 26 11:32:12 2011 -1000
> Disable partition resize support for DASD labels (#605912)
> This just doesn't work and I have no idea when it will work in the
> future, so we should just prevent users from trying this. Such a narrow
> use case.
> diff --git a/storage/devices.py b/storage/devices.py
> index 61082be..82c6952 100644
> --- a/storage/devices.py
> +++ b/storage/devices.py
> @@ -1503,6 +1503,11 @@ class PartitionDevice(StorageDevice):
> return 0
> + @property
> + def resizable(self):
> + """ Can this type of device be resized? """
> + return super(PartitionDevice, self).resizable and
> + (self.disk and self.disk.type != 'dasd')
> class DMDevice(StorageDevice):
> """ A device-mapper device """
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