Source code for openstack_dashboard.dashboards.project.instances.forms

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

# Copyright 2013 OpenStack Foundation
# All Rights Reserved.
#
#    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.template.defaultfilters import filesizeformat  # noqa
from django.utils.translation import ugettext_lazy as _
from django.views.decorators.debug import sensitive_variables  # noqa

from horizon import exceptions
from horizon import forms
from horizon import messages
from horizon.utils import fields
from horizon.utils import validators

from openstack_dashboard import api
from openstack_dashboard.dashboards.project.images import utils


def _image_choice_title(img):
    gb = filesizeformat(img.size)
    return '%s (%s)' % (img.name or img.id, gb)


[docs]class RebuildInstanceForm(forms.SelfHandlingForm): instance_id = forms.CharField(widget=forms.HiddenInput()) image = forms.ChoiceField(label=_("Select Image"), widget=fields.SelectWidget(attrs={'class': 'image-selector'}, data_attrs=('size', 'display-name'), transform=_image_choice_title)) password = forms.RegexField(label=_("Rebuild Password"), required=False, widget=forms.PasswordInput(render_value=False), regex=validators.password_validator(), error_messages={'invalid': validators.password_validator_msg()}) confirm_password = forms.CharField(label=_("Confirm Rebuild Password"), required=False, widget=forms.PasswordInput(render_value=False)) disk_config = forms.ChoiceField(label=_("Disk Partition"), required=False) def __init__(self, request, *args, **kwargs): super(RebuildInstanceForm, self).__init__(request, *args, **kwargs) instance_id = kwargs.get('initial', {}).get('instance_id') self.fields['instance_id'].initial = instance_id images = utils.get_available_images(request, request.user.tenant_id) choices = [(image.id, image) for image in images] if choices: choices.insert(0, ("", _("Select Image"))) else: choices.insert(0, ("", _("No images available"))) self.fields['image'].choices = choices if not api.nova.can_set_server_password(): del self.fields['password'] del self.fields['confirm_password'] # Set our disk_config choices config_choices = [("AUTO", _("Automatic")), ("MANUAL", _("Manual"))] self.fields['disk_config'].choices = config_choices
[docs] def clean(self): cleaned_data = super(RebuildInstanceForm, self).clean() if 'password' in cleaned_data: passwd = cleaned_data.get('password') confirm = cleaned_data.get('confirm_password') if passwd is not None and confirm is not None: if passwd != confirm: raise forms.ValidationError(_("Passwords do not match.")) return cleaned_data # We have to protect the entire "data" dict because it contains the # password and confirm_password strings.
@sensitive_variables('data', 'password')
[docs] def handle(self, request, data): instance = data.get('instance_id') image = data.get('image') password = data.get('password') or None disk_config = data.get('disk_config', None) try: api.nova.server_rebuild(request, instance, image, password, disk_config) messages.success(request, _('Rebuilding instance %s.') % instance) except Exception: redirect = reverse('horizon:project:instances:index') exceptions.handle(request, _("Unable to rebuild instance."), redirect=redirect) return True