Source code for openstack_dashboard.dashboards.admin.flavors.forms

# vim: tabstop=4 shiftwidth=4 softtabstop=4

# Copyright 2012 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# Copyright 2012 Nebula, 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.

import logging

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


LOG = logging.getLogger(__name__)


[docs]class CreateFlavor(forms.SelfHandlingForm): name = forms.RegexField(label=_("Name"), max_length=25, regex=r'^[\w\.\- ]+$', error_messages={'invalid': _('Name may only ' 'contain letters, numbers, underscores, ' 'periods and hyphens.')}) vcpus = forms.IntegerField(label=_("VCPUs")) memory_mb = forms.IntegerField(label=_("RAM MB")) disk_gb = forms.IntegerField(label=_("Root Disk GB")) eph_gb = forms.IntegerField(label=_("Ephemeral Disk GB")) swap_mb = forms.IntegerField(label=_("Swap Disk MB"))
[docs] def clean_name(self): name = self.cleaned_data.get('name') try: flavors = api.nova.flavor_list(self.request) except: flavors = [] msg = _('Unable to get flavor list') exceptions.check_message(["Connection", "refused"], msg) raise if flavors is not None: for flavor in flavors: if flavor.name == name: raise forms.ValidationError( _('The name "%s" is already used by another flavor.') % name ) return name
[docs] def handle(self, request, data): try: flavor = api.nova.flavor_create(request, data['name'], data['memory_mb'], data['vcpus'], data['disk_gb'], ephemeral=data['eph_gb'], swap=data['swap_mb']) msg = _('Created flavor "%s".') % data['name'] messages.success(request, msg) return flavor except: exceptions.handle(request, _("Unable to create flavor."))
[docs]class EditFlavor(CreateFlavor): flavor_id = forms.CharField(widget=forms.widgets.HiddenInput)
[docs] def clean_name(self): return self.cleaned_data['name']
[docs] def clean(self): cleaned_data = super(EditFlavor, self).clean() name = cleaned_data.get('name') flavor_id = cleaned_data.get('flavor_id') try: flavors = api.nova.flavor_list(self.request) except: flavors = [] msg = _('Unable to get flavor list') exceptions.check_message(["Connection", "refused"], msg) raise # Check if there is no flavor with the same name if flavors is not None: for flavor in flavors: if flavor.name == name and flavor.id != flavor_id: raise forms.ValidationError( _('The name "%s" is already used by another flavor.') % name ) return cleaned_data
[docs] def handle(self, request, data): try: flavor_id = data['flavor_id'] # grab any existing extra specs, because flavor edit currently # implemented as a delete followed by a create extras_dict = api.nova.flavor_get_extras(self.request, flavor_id, raw=True) # First mark the existing flavor as deleted. api.nova.flavor_delete(request, data['flavor_id']) # Then create a new flavor with the same name but a new ID. # This is in the same try/except block as the delete call # because if the delete fails the API will error out because # active flavors can't have the same name. flavor = api.nova.flavor_create(request, data['name'], data['memory_mb'], data['vcpus'], data['disk_gb'], ephemeral=data['eph_gb'], swap=data['swap_mb']) if (extras_dict): api.nova.flavor_extra_set(request, flavor.id, extras_dict) msg = _('Updated flavor "%s".') % data['name'] messages.success(request, msg) return flavor except: exceptions.handle(request, _("Unable to update flavor."))