horizon/openstack_dashboard/dashboards/project/databases/forms.py
lin-hua-cheng 3bad59c234 Filter current flavor in resize instance/database
Removed the validation that checks if the new flavor selected
is the same as the old flavor, this case now will never happen
since the current flavor is removed from the choices.

Change-Id: I1c41a48fc9805b1b730dec5f13a43b73989b349b
Closes-Bug: #1395777
2014-12-30 11:55:50 -08:00

94 lines
3.8 KiB
Python

# Copyright 2014 Tesora Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from django.core.urlresolvers import reverse
from django.forms import ValidationError # noqa
from django.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import forms
from horizon import messages
from openstack_dashboard import api
class ResizeVolumeForm(forms.SelfHandlingForm):
instance_id = forms.CharField(widget=forms.HiddenInput())
orig_size = forms.IntegerField(
label=_("Current Size (GB)"),
widget=forms.TextInput(attrs={'readonly': 'readonly'}),
required=False,
)
new_size = forms.IntegerField(label=_("New Size (GB)"))
def clean(self):
cleaned_data = super(ResizeVolumeForm, self).clean()
new_size = cleaned_data.get('new_size')
if new_size <= self.initial['orig_size']:
raise ValidationError(
_("New size for volume must be greater than current size."))
return cleaned_data
def handle(self, request, data):
instance = data.get('instance_id')
try:
api.trove.instance_resize_volume(request,
instance,
data['new_size'])
messages.success(request, _('Resizing volume "%s"') % instance)
except Exception as e:
redirect = reverse("horizon:project:databases:index")
exceptions.handle(request, _('Unable to resize volume. %s') %
e.message, redirect=redirect)
return True
class ResizeInstanceForm(forms.SelfHandlingForm):
instance_id = forms.CharField(widget=forms.HiddenInput())
old_flavor_name = forms.CharField(label=_("Old Flavor"),
required=False,
widget=forms.TextInput(
attrs={'readonly': 'readonly'}))
new_flavor = forms.ChoiceField(label=_("New Flavor"),
help_text=_("Choose a new instance "
"flavor."))
def __init__(self, request, *args, **kwargs):
super(ResizeInstanceForm, self).__init__(request, *args, **kwargs)
old_flavor_id = kwargs.get('initial', {}).get('old_flavor_id')
choices = kwargs.get('initial', {}).get('flavors')
# Remove current flavor from the list of flavor choices
choices = [(flavor_id, name) for (flavor_id, name) in choices
if flavor_id != old_flavor_id]
if choices:
choices.insert(0, ("", _("Select a new flavor")))
else:
choices.insert(0, ("", _("No flavors available")))
self.fields['new_flavor'].choices = choices
def handle(self, request, data):
instance = data.get('instance_id')
flavor = data.get('new_flavor')
try:
api.trove.instance_resize(request, instance, flavor)
messages.success(request, _('Resizing instance "%s"') % instance)
except Exception as e:
redirect = reverse("horizon:project:databases:index")
exceptions.handle(request, _('Unable to resize instance. %s') %
e.message, redirect=redirect)
return True