trove-dashboard/trove_dashboard/content/databases/forms.py

95 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 trove_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