Source code for openstack_dashboard.dashboards.admin.metadata_defs.views

#    (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

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