def check_size(self, request, share_id, new_size):
share = manila.share_get(request, share_id)
timeout = 30
interval = 0.35
time_elapsed = 0
while share.status != 'available':
time.sleep(interval)
time_elapsed += interval
share = manila.share_get(request, share_id)
if time_elapsed > timeout:
raise exceptions.WorkflowError(
_("The operation timed out while resizing. "
"Please try again."))
if share.size == new_size:
message = _('Resized share "%s"') % share.name
messages.success(request, message)
return True
raise exceptions.WorkflowError(_("Unable to resize share. "))
def _verify_contributions(self, context):
for key in self.contributes:
# Make sure we don't skip steps based on weird behavior of
# POST query dicts.
field = self.action.fields.get(key, None)
if field and field.required and not context.get(key):
context.pop(key, None)
failed_to_contribute = set(self.contributes)
failed_to_contribute -= set(context.keys())
if failed_to_contribute:
raise exceptions.WorkflowError(
"The following expected data was "
"not added to the workflow context "
"by the step %s: %s." % (self.__class__, failed_to_contribute))
return True
def _order_steps(self):
steps = list(copy.copy(self.default_steps))
additional = self._registry.keys()
for step in additional:
try:
min_pos = steps.index(step.after)
except ValueError:
min_pos = 0
try:
max_pos = steps.index(step.before)
except ValueError:
max_pos = len(steps)
if min_pos > max_pos:
raise exceptions.WorkflowError("The step %(new)s can't be "
"placed between the steps "
"%(after)s and %(before)s; the "
"step %(before)s comes before "
"%(after)s."
% {"new": additional,
"after": step.after,
"before": step.before})
steps.insert(max_pos, step)
return steps
