# (c) Copyright 2014 Hewlett-Packard Development Company, L.P.
#
# 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 json
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 tables
from horizon import tabs
from horizon.utils import memoized
from openstack_dashboard.api import glance
from openstack_dashboard.dashboards.admin.metadata_defs \
import constants
from openstack_dashboard.dashboards.admin.metadata_defs \
import forms as admin_forms
from openstack_dashboard.dashboards.admin.metadata_defs \
import tables as admin_tables
from openstack_dashboard.dashboards.admin.metadata_defs \
import tabs as admin_tabs
[docs]class AdminIndexView(tables.DataTableView):
table_class = admin_tables.AdminNamespacesTable
template_name = constants.METADATA_INDEX_TEMPLATE
page_title = _("Metadata Definitions")
[docs] def has_prev_data(self, table):
return self._prev
[docs] def has_more_data(self, table):
return self._more
[docs] def get_data(self):
namespaces = []
prev_marker = self.request.GET.get(
admin_tables.AdminNamespacesTable._meta.prev_pagination_param,
None)
if prev_marker is not None:
sort_dir = 'desc'
marker = prev_marker
else:
sort_dir = 'asc'
marker = self.request.GET.get(
admin_tables.AdminNamespacesTable._meta.pagination_param, None)
filters = self.get_filters()
try:
namespaces, self._more, self._prev =\
glance.metadefs_namespace_list(self.request,
marker=marker,
paginate=True,
sort_dir=sort_dir,
filters=filters)
if prev_marker is not None:
namespaces = sorted(namespaces,
key=lambda ns: getattr(ns, 'namespace'))
except Exception:
self._prev = False
self._more = False
msg = _('Error getting metadata definitions.')
exceptions.handle(self.request, msg)
return namespaces
[docs]class CreateView(forms.ModalFormView):
form_class = admin_forms.CreateNamespaceForm
template_name = constants.METADATA_CREATE_TEMPLATE
context_object_name = 'namespace'
success_url = reverse_lazy(constants.METADATA_INDEX_URL)
page_title = _("Create a Metadata Namespace")
submit_label = _("Import Namespace")
[docs]class UpdateView(forms.ModalFormView):
form_class = admin_forms.UpdateNamespaceForm
form_id = 'update_namespace_attributes_form'
template_name = constants.METADATA_UPDATE_TEMPLATE
context_object_name = 'namespace'
success_url = reverse_lazy(constants.METADATA_INDEX_URL)
submit_url = constants.METADATA_UPDATE_URL
page_title = _("Edit Metadata Namespace")
submit_label = _("Save Changes")
[docs] def get_context_data(self, **kwargs):
context = super(UpdateView, self).get_context_data(**kwargs)
args = (self.kwargs['namespace_id'],)
context["namespace_id"] = self.kwargs['namespace_id']
context["submit_url"] = reverse(self.submit_url, args=args)
return context
def _get_object(self, *args, **kwargs):
namespace_id = self.kwargs['namespace_id']
try:
return glance.metadefs_namespace_get(self.request, namespace_id)
except Exception:
redirect = self.success_url
msg = _('Unable to retrieve namespace details.')
exceptions.handle(self.request, msg, redirect=redirect)
[docs] def get_initial(self):
namespace = self._get_object()
visibility = \
True if namespace['visibility'] == 'public' else False
return {'namespace_id': namespace['namespace'],
'public': visibility,
'protected': namespace['protected'],
}
[docs]class DetailView(tabs.TabView):
redirect_url = constants.METADATA_INDEX_URL
tab_group_class = admin_tabs.NamespaceDetailTabs
template_name = constants.METADATA_DETAIL_TEMPLATE
page_title = "{{ namespace.namespace }}"
[docs] def get_context_data(self, **kwargs):
context = super(DetailView, self).get_context_data(**kwargs)
context["namespace"] = self.get_data()
return context
@memoized.memoized_method
[docs] def get_data(self):
try:
namespace = glance.metadefs_namespace_get(
self.request, self.kwargs['namespace_id'], wrap=True)
except Exception:
url = reverse_lazy(constants.METADATA_INDEX_URL)
exceptions.handle(self.request,
_('Unable to retrieve namespace details.'),
redirect=url)
else:
return namespace
[docs] def get_tabs(self, request, *args, **kwargs):
namespace = self.get_data()
return self.tab_group_class(request, namespace=namespace, **kwargs)
[docs]class ManageResourceTypes(forms.ModalFormView):
template_name = constants.METADATA_MANAGE_RESOURCES_TEMPLATE
form_class = admin_forms.ManageResourceTypesForm
success_url = reverse_lazy(constants.METADATA_INDEX_URL)
[docs] def get_initial(self):
try:
resource_types = glance.metadefs_namespace_resource_types(
self.request, self.kwargs["id"])
except Exception:
resource_types = []
msg = _('Error getting resource type associations.')
exceptions.handle(self.request, msg)
return {'id': self.kwargs["id"],
'resource_types': resource_types}
[docs] def get_context_data(self, **kwargs):
context = super(ManageResourceTypes, self).get_context_data(**kwargs)
selected_type_names = [selected_type['name'] for selected_type in
context['form'].initial['resource_types']]
try:
# Set the basic types that aren't already associated
result = [unselected_type for unselected_type in
glance.metadefs_resource_types_list(self.request)
if unselected_type['name'] not in selected_type_names]
except Exception:
result = []
msg = _('Error getting resource type associations.')
exceptions.handle(self.request, msg)
# Add the resource types previously associated, includes prefix, etc
for initial_type in context['form'].initial['resource_types']:
selected_type = initial_type.copy()
selected_type['selected'] = True
result.insert(0, selected_type)
context['id'] = self.kwargs['id']
try:
context["resource_types"] = json.dumps(result)
except Exception:
context["resource_types"] = "[]"
msg = _('Error getting resource type associations.')
exceptions.handle(self.request, msg)
return context