253 lines
9.4 KiB
Python
253 lines
9.4 KiB
Python
# Copyright 2012 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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#
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# Copyright 2012 OpenStack Foundation
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# Copyright 2012 Nebula, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from django.conf import settings
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from django.urls import reverse
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from django.urls import reverse_lazy
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from django.utils.translation import ugettext_lazy as _
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from horizon import exceptions
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from horizon import forms
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from horizon import tables
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from horizon.utils import memoized
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from openstack_dashboard import api
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from openstack_dashboard.dashboards.admin.instances \
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import forms as project_forms
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from openstack_dashboard.dashboards.admin.instances \
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import tables as project_tables
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from openstack_dashboard.dashboards.admin.instances import tabs
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from openstack_dashboard.dashboards.project.instances import views
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from openstack_dashboard.dashboards.project.instances.workflows \
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import update_instance
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from openstack_dashboard.utils import futurist_utils
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# re-use console from project.instances.views to make reflection work
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def console(args, **kvargs):
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return views.console(args, **kvargs)
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# re-use vnc from project.instances.views to make reflection work
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def vnc(args, **kvargs):
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return views.vnc(args, **kvargs)
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# re-use spice from project.instances.views to make reflection work
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def spice(args, **kvargs):
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return views.spice(args, **kvargs)
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# re-use rdp from project.instances.views to make reflection work
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def rdp(args, **kvargs):
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return views.rdp(args, **kvargs)
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# re-use mks from project.instances.views to make reflection work
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def mks(args, **kvargs):
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return views.mks(args, **kvargs)
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class AdminUpdateView(views.UpdateView):
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workflow_class = update_instance.AdminUpdateInstance
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success_url = reverse_lazy("horizon:admin:instances:index")
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class AdminIndexView(tables.PagedTableMixin, tables.DataTableView):
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table_class = project_tables.AdminInstancesTable
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page_title = _("Instances")
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def has_prev_data(self, table):
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return getattr(self, "_prev", False)
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def has_more_data(self, table):
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return self._more
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def needs_filter_first(self, table):
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return self._needs_filter_first
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def _get_tenants(self):
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# Gather our tenants to correlate against IDs
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try:
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tenants, __ = api.keystone.tenant_list(self.request)
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return dict([(t.id, t) for t in tenants])
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except Exception:
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msg = _('Unable to retrieve instance project information.')
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exceptions.handle(self.request, msg)
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return {}
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def _get_images(self, instances=()):
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# Gather our images to correlate our instances to them
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try:
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# NOTE(aarefiev): request images, instances was booted from.
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img_ids = (instance.image.get('id') for instance in
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instances if isinstance(instance.image, dict))
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real_img_ids = list(filter(None, img_ids))
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images = api.glance.image_list_detailed_by_ids(
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self.request, real_img_ids)
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image_map = dict((image.id, image) for image in images)
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return image_map
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except Exception:
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exceptions.handle(self.request, ignore=True)
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return {}
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def _get_flavors(self):
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# Gather our flavors to correlate against IDs
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try:
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flavors = api.nova.flavor_list(self.request)
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return dict([(str(flavor.id), flavor) for flavor in flavors])
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except Exception:
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msg = _("Unable to retrieve flavor list.")
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exceptions.handle(self.request, msg)
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return {}
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def _get_instances(self, search_opts, sort_dir):
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try:
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instances, self._more, self._prev = api.nova.server_list_paged(
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self.request,
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search_opts=search_opts,
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sort_dir=sort_dir)
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except Exception:
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self._more = self._prev = False
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instances = []
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exceptions.handle(self.request,
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_('Unable to retrieve instance list.'))
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return instances
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def get_data(self):
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marker, sort_dir = self._get_marker()
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default_search_opts = {'marker': marker,
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'paginate': True,
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'all_tenants': True}
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search_opts = self.get_filters(default_search_opts.copy())
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# If filter_first is set and if there are not other filters
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# selected, then search criteria must be provided and return an empty
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# list
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filter_first = getattr(settings, 'FILTER_DATA_FIRST', {})
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if (filter_first.get('admin.instances', False) and
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len(search_opts) == len(default_search_opts)):
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self._needs_filter_first = True
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self._more = False
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return []
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self._needs_filter_first = False
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instances = self._get_instances(search_opts, sort_dir)
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results = futurist_utils.call_functions_parallel(
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(self._get_images, [tuple(instances)]),
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self._get_flavors,
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self._get_tenants)
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image_dict, flavor_dict, tenant_dict = results
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non_api_filter_info = (
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('project', 'tenant_id', tenant_dict.values()),
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('image_name', 'image', image_dict.values()),
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('flavor_name', 'flavor', flavor_dict.values()),
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)
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if not views.process_non_api_filters(search_opts, non_api_filter_info):
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self._more = False
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return []
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# Loop through instances to get image, flavor and tenant info.
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for inst in instances:
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if hasattr(inst, 'image') and isinstance(inst.image, dict):
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image_id = inst.image.get('id')
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if image_id in image_dict:
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inst.image = image_dict[image_id]
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# In case image not found in image_map, set name to empty
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# to avoid fallback API call to Glance in api/nova.py
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# until the call is deprecated in api itself
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else:
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inst.image['name'] = _("-")
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flavor_id = inst.flavor["id"]
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try:
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if flavor_id in flavor_dict:
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inst.full_flavor = flavor_dict[flavor_id]
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else:
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# If the flavor_id is not in flavor_dict list,
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# gets it via nova api.
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inst.full_flavor = api.nova.flavor_get(
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self.request, flavor_id)
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except Exception:
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msg = _('Unable to retrieve instance size information.')
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exceptions.handle(self.request, msg)
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tenant = tenant_dict.get(inst.tenant_id, None)
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inst.tenant_name = getattr(tenant, "name", None)
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return instances
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class LiveMigrateView(forms.ModalFormView):
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form_class = project_forms.LiveMigrateForm
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template_name = 'admin/instances/live_migrate.html'
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context_object_name = 'instance'
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success_url = reverse_lazy("horizon:admin:instances:index")
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page_title = _("Live Migrate")
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success_label = page_title
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def get_context_data(self, **kwargs):
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context = super(LiveMigrateView, self).get_context_data(**kwargs)
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context["instance_id"] = self.kwargs['instance_id']
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return context
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@memoized.memoized_method
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def get_hosts(self, *args, **kwargs):
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try:
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services = api.nova.service_list(self.request,
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binary='nova-compute')
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return [s.host for s in services]
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except Exception:
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redirect = reverse("horizon:admin:instances:index")
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msg = _('Unable to retrieve host information.')
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exceptions.handle(self.request, msg, redirect=redirect)
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@memoized.memoized_method
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def get_object(self, *args, **kwargs):
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instance_id = self.kwargs['instance_id']
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try:
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return api.nova.server_get(self.request, instance_id)
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except Exception:
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redirect = reverse("horizon:admin:instances:index")
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msg = _('Unable to retrieve instance details.')
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exceptions.handle(self.request, msg, redirect=redirect)
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def get_initial(self):
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initial = super(LiveMigrateView, self).get_initial()
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_object = self.get_object()
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if _object:
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current_host = getattr(_object, 'OS-EXT-SRV-ATTR:host', '')
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initial.update({'instance_id': self.kwargs['instance_id'],
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'current_host': current_host,
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'hosts': self.get_hosts()})
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return initial
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class DetailView(views.DetailView):
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tab_group_class = tabs.AdminInstanceDetailTabs
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redirect_url = 'horizon:admin:instances:index'
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image_url = 'horizon:admin:images:detail'
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volume_url = 'horizon:admin:volumes:detail'
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def _get_actions(self, instance):
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table = project_tables.AdminInstancesTable(self.request)
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return table.render_row_actions(instance)
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