# 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 collections import OrderedDict
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 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
success_url = reverse_lazy("horizon:admin:instances:index")
[docs]class AdminIndexView(tables.DataTableView):
table_class = project_tables.AdminInstancesTable
template_name = 'admin/instances/index.html'
page_title = _("Instances")
[docs] def has_more_data(self, table):
return self._more
[docs] def needs_filter_first(self, table):
return self._needs_filter_first
[docs] def get_data(self):
instances = []
marker = self.request.GET.get(
project_tables.AdminInstancesTable._meta.pagination_param, None)
default_search_opts = {'marker': marker, 'paginate': True}
search_opts = self.get_filters(default_search_opts.copy())
# If filter_first is set and if there are not other filters
# selected, then search criteria must be provided and return an empty
# list
filter_first = getattr(settings, 'FILTER_DATA_FIRST', {})
if filter_first.get('admin.instances', False) and \
len(search_opts) == len(default_search_opts):
self._needs_filter_first = True
self._more = False
return instances
self._needs_filter_first = False
# 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)
if 'project' in search_opts:
ten_filter_ids = [t.id for t in tenants
if t.name == search_opts['project']]
del search_opts['project']
if len(ten_filter_ids) > 0:
search_opts['tenant_id'] = ten_filter_ids[0]
else:
self._more = False
return []
try:
instances, self._more = api.nova.server_list(
self.request,
search_opts=search_opts,
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,
all_tenants=True)
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 = []
full_flavors = OrderedDict([(f.id, f) for f in flavors])
tenant_dict = OrderedDict([(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")
page_title = _("Live Migrate")
success_label = page_title
[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.host_list(self.request)
except Exception:
redirect = reverse("horizon:admin:instances:index")
msg = _('Unable to retrieve host 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'
image_url = 'horizon:admin:images:detail'
volume_url = 'horizon:admin:volumes:volumes:detail'
def _get_actions(self, instance):
table = project_tables.AdminInstancesTable(self.request)
return table.render_row_actions(instance)