# 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.
"""
Views for managing images.
"""
from django.conf import settings
from django.core.urlresolvers import reverse
from django.core.urlresolvers import reverse_lazy
from django.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import forms
from horizon import tabs
from horizon.utils import memoized
from openstack_dashboard import api
from openstack_dashboard.utils import filters
from openstack_dashboard.dashboards.project.images.images \
import forms as project_forms
from openstack_dashboard.dashboards.project.images.images \
import tables as project_tables
from openstack_dashboard.dashboards.project.images.images \
import tabs as project_tabs
[docs]class CreateView(forms.ModalFormView):
form_class = project_forms.CreateImageForm
form_id = "create_image_form"
modal_header = _("Create An Image")
submit_label = _("Create Image")
submit_url = reverse_lazy('horizon:project:images:images:create')
template_name = 'project/images/images/create.html'
context_object_name = 'image'
success_url = reverse_lazy("horizon:project:images:index")
page_title = _("Create An Image")
[docs] def get_initial(self):
initial = {}
for name in [
'name',
'description',
'image_url',
'source_type',
'architecture',
'disk_format',
'minimum_disk',
'minimum_ram'
]:
tmp = self.request.GET.get(name)
if tmp:
initial[name] = tmp
return initial
[docs] def get_context_data(self, **kwargs):
context = super(CreateView, self).get_context_data(**kwargs)
upload_mode = api.glance.get_image_upload_mode()
context['image_upload_enabled'] = upload_mode != 'off'
context['images_allow_location'] = getattr(settings,
'IMAGES_ALLOW_LOCATION',
False)
return context
[docs]class UpdateView(forms.ModalFormView):
form_class = project_forms.UpdateImageForm
form_id = "update_image_form"
modal_header = _("Edit Image")
submit_label = _("Edit Image")
submit_url = "horizon:project:images:images:update"
template_name = 'project/images/images/update.html'
success_url = reverse_lazy("horizon:project:images:index")
page_title = _("Edit Image")
@memoized.memoized_method
[docs] def get_object(self):
try:
return api.glance.image_get(self.request, self.kwargs['image_id'])
except Exception:
msg = _('Unable to retrieve image.')
url = reverse('horizon:project:images:index')
exceptions.handle(self.request, msg, redirect=url)
[docs] def get_context_data(self, **kwargs):
context = super(UpdateView, self).get_context_data(**kwargs)
context['image'] = self.get_object()
args = (self.kwargs['image_id'],)
context['submit_url'] = reverse(self.submit_url, args=args)
return context
[docs] def get_initial(self):
image = self.get_object()
properties = getattr(image, 'properties', {})
data = {'image_id': self.kwargs['image_id'],
'name': getattr(image, 'name', None) or image.id,
'description': properties.get('description', ''),
'kernel': properties.get('kernel_id', ''),
'ramdisk': properties.get('ramdisk_id', ''),
'architecture': properties.get('architecture', ''),
'minimum_ram': getattr(image, 'min_ram', None),
'minimum_disk': getattr(image, 'min_disk', None),
'public': getattr(image, 'is_public', None),
'protected': getattr(image, 'protected', None)}
disk_format = getattr(image, 'disk_format', None)
if (disk_format == 'raw' and
getattr(image, 'container_format') == 'docker'):
disk_format = 'docker'
data['disk_format'] = disk_format
return data
[docs]class DetailView(tabs.TabView):
tab_group_class = project_tabs.ImageDetailTabs
template_name = 'horizon/common/_detail.html'
page_title = "{{ image.name }}"
[docs] def get_context_data(self, **kwargs):
context = super(DetailView, self).get_context_data(**kwargs)
image = self.get_data()
table = project_tables.ImagesTable(self.request)
context["image"] = image
context["url"] = self.get_redirect_url()
context["actions"] = table.render_row_actions(image)
choices = project_tables.ImagesTable.STATUS_DISPLAY_CHOICES
image.status_label = filters.get_display_label(choices, image.status)
return context
@staticmethod
[docs] def get_redirect_url():
return reverse_lazy('horizon:project:images:index')
@memoized.memoized_method
[docs] def get_data(self):
try:
return api.glance.image_get(self.request, self.kwargs['image_id'])
except Exception:
exceptions.handle(self.request,
_('Unable to retrieve image details.'),
redirect=self.get_redirect_url())
[docs] def get_tabs(self, request, *args, **kwargs):
image = self.get_data()
return self.tab_group_class(request, image=image, **kwargs)