/
views.py
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/
views.py
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# 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
def console(args, **kvargs):
return views.console(args, **kvargs)
# re-use vnc from project.instances.views to make reflection work
def vnc(args, **kvargs):
return views.vnc(args, **kvargs)
# re-use spice from project.instances.views to make reflection work
def spice(args, **kvargs):
return views.spice(args, **kvargs)
# re-use rdp from project.instances.views to make reflection work
def rdp(args, **kvargs):
return views.rdp(args, **kvargs)
class AdminUpdateView(views.UpdateView):
workflow_class = update_instance.AdminUpdateInstance
class AdminIndexView(tables.DataTableView):
table_class = project_tables.AdminInstancesTable
template_name = 'admin/instances/index.html'
def has_more_data(self, table):
return self._more
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
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")
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
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
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)
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
class DetailView(views.DetailView):
redirect_url = 'horizon:admin:instances:index'