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

# 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 OpenStack Foundation
# 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.

from django.core.urlresolvers import reverse
from django.core.urlresolvers import reverse_lazy
from django.utils.datastructures import SortedDict
from django.utils.translation import ugettext_lazy as _

from horizon import exceptions
from horizon import forms
from horizon import tables
from horizon.utils import memoized

from openstack_dashboard import api
from openstack_dashboard.dashboards.admin.instances \
    import forms as project_forms
from openstack_dashboard.dashboards.admin.instances \
    import tables as project_tables
from openstack_dashboard.dashboards.project.instances import views
from openstack_dashboard.dashboards.project.instances.workflows \
    import update_instance


# re-use console from project.instances.views to make reflection work
[docs]def console(args, **kvargs): return views.console(args, **kvargs) # re-use vnc from project.instances.views to make reflection work
[docs]def vnc(args, **kvargs): return views.vnc(args, **kvargs) # re-use spice from project.instances.views to make reflection work
[docs]def spice(args, **kvargs): return views.spice(args, **kvargs) # re-use rdp from project.instances.views to make reflection work
[docs]def rdp(args, **kvargs): return views.rdp(args, **kvargs)
[docs]class AdminUpdateView(views.UpdateView): workflow_class = update_instance.AdminUpdateInstance
[docs]class AdminIndexView(tables.DataTableView): table_class = project_tables.AdminInstancesTable template_name = 'admin/instances/index.html'
[docs] def has_more_data(self, table): return self._more
[docs] def get_data(self): instances = [] marker = self.request.GET.get( project_tables.AdminInstancesTable._meta.pagination_param, None) try: instances, self._more = api.nova.server_list( self.request, search_opts={'marker': marker, 'paginate': True}, all_tenants=True) except Exception: self._more = False exceptions.handle(self.request, _('Unable to retrieve instance list.')) if instances: try: api.network.servers_update_addresses(self.request, instances) except Exception: exceptions.handle( self.request, message=_('Unable to retrieve IP addresses from Neutron.'), ignore=True) # Gather our flavors to correlate against IDs try: flavors = api.nova.flavor_list(self.request) except Exception: # If fails to retrieve flavor list, creates an empty list. flavors = [] # Gather our tenants to correlate against IDs try: tenants, has_more = api.keystone.tenant_list(self.request) except Exception: tenants = [] msg = _('Unable to retrieve instance project information.') exceptions.handle(self.request, msg) full_flavors = SortedDict([(f.id, f) for f in flavors]) tenant_dict = SortedDict([(t.id, t) for t in tenants]) # Loop through instances to get flavor and tenant info. for inst in instances: flavor_id = inst.flavor["id"] try: if flavor_id in full_flavors: inst.full_flavor = full_flavors[flavor_id] else: # If the flavor_id is not in full_flavors list, # gets it via nova api. inst.full_flavor = api.nova.flavor_get( self.request, flavor_id) except Exception: msg = _('Unable to retrieve instance size information.') exceptions.handle(self.request, msg) tenant = tenant_dict.get(inst.tenant_id, None) inst.tenant_name = getattr(tenant, "name", None) return instances
[docs]class LiveMigrateView(forms.ModalFormView): form_class = project_forms.LiveMigrateForm template_name = 'admin/instances/live_migrate.html' context_object_name = 'instance' success_url = reverse_lazy("horizon:admin:instances:index")
[docs] def get_context_data(self, **kwargs): context = super(LiveMigrateView, self).get_context_data(**kwargs) context["instance_id"] = self.kwargs['instance_id'] return context
@memoized.memoized_method
[docs] def get_hosts(self, *args, **kwargs): try: return api.nova.hypervisor_list(self.request) except Exception: redirect = reverse("horizon:admin:instances:index") msg = _('Unable to retrieve hypervisor information.') exceptions.handle(self.request, msg, redirect=redirect)
@memoized.memoized_method
[docs] def get_object(self, *args, **kwargs): instance_id = self.kwargs['instance_id'] try: return api.nova.server_get(self.request, instance_id) except Exception: redirect = reverse("horizon:admin:instances:index") msg = _('Unable to retrieve instance details.') exceptions.handle(self.request, msg, redirect=redirect)
[docs] def get_initial(self): initial = super(LiveMigrateView, self).get_initial() _object = self.get_object() if _object: current_host = getattr(_object, 'OS-EXT-SRV-ATTR:host', '') initial.update({'instance_id': self.kwargs['instance_id'], 'current_host': current_host, 'hosts': self.get_hosts()}) return initial
[docs]class DetailView(views.DetailView): redirect_url = 'horizon:admin:instances:index'