560 lines
22 KiB
Python
560 lines
22 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 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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"""
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Views for managing instances.
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"""
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from collections import OrderedDict
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import futurist
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import logging
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from django.conf import settings
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from django.core.urlresolvers import reverse
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from django.core.urlresolvers import reverse_lazy
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from django import http
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from django import shortcuts
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from django.utils.translation import ugettext_lazy as _
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from django.views import generic
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from horizon import exceptions
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from horizon import forms
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from horizon import messages
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from horizon import tables
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from horizon import tabs
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from horizon.utils import memoized
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from horizon import workflows
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from openstack_dashboard import api
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from openstack_dashboard.utils import filters
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from openstack_dashboard.dashboards.project.instances \
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import console as project_console
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from openstack_dashboard.dashboards.project.instances \
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import forms as project_forms
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from openstack_dashboard.dashboards.project.instances \
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import tables as project_tables
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from openstack_dashboard.dashboards.project.instances \
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import tabs as project_tabs
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from openstack_dashboard.dashboards.project.instances \
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import workflows as project_workflows
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LOG = logging.getLogger(__name__)
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class IndexView(tables.DataTableView):
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table_class = project_tables.InstancesTable
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page_title = _("Instances")
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def has_more_data(self, table):
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return self._more
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def get_data(self):
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marker = self.request.GET.get(
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project_tables.InstancesTable._meta.pagination_param, None)
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search_opts = self.get_filters({'marker': marker, 'paginate': True})
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instances = []
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full_flavors = {}
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image_map = {}
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def _task_get_instances():
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# Gather our instances
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try:
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tmp_instances, self._more = api.nova.server_list(
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self.request,
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search_opts=search_opts)
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instances.extend(tmp_instances)
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except Exception:
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self._more = False
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exceptions.handle(self.request,
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_('Unable to retrieve instances.'))
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# In case of exception when calling nova.server_list
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# don't call api.network
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return
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try:
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api.network.servers_update_addresses(self.request, instances)
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except Exception:
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exceptions.handle(
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self.request,
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message=_('Unable to retrieve IP addresses from Neutron.'),
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ignore=True)
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def _task_get_flavors():
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# Gather our flavors to correlate our instances to them
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try:
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flavors = api.nova.flavor_list(self.request)
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full_flavors.update([(str(flavor.id), flavor)
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for flavor in flavors])
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except Exception:
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exceptions.handle(self.request, ignore=True)
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def _task_get_images():
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# Gather our images to correlate our instances to them
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try:
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# TODO(gabriel): Handle pagination.
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images = api.glance.image_list_detailed(self.request)[0]
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image_map.update([(str(image.id), image) for image in images])
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except Exception:
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exceptions.handle(self.request, ignore=True)
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with futurist.ThreadPoolExecutor(max_workers=3) as e:
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e.submit(fn=_task_get_instances)
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e.submit(fn=_task_get_flavors)
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e.submit(fn=_task_get_images)
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# Loop through instances to get flavor info.
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for instance in instances:
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if hasattr(instance, 'image'):
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# Instance from image returns dict
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if isinstance(instance.image, dict):
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if instance.image.get('id') in image_map:
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instance.image = image_map[instance.image.get('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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instance.image['name'] = _("-")
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try:
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flavor_id = instance.flavor["id"]
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if flavor_id in full_flavors:
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instance.full_flavor = full_flavors[flavor_id]
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else:
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# If the flavor_id is not in full_flavors list,
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# get it via nova api.
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instance.full_flavor = api.nova.flavor_get(
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self.request, flavor_id)
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except Exception:
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LOG.info('Unable to retrieve flavor "%(flavor)s" for '
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'instance "%(id)s".',
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{'flavor': flavor_id, 'id': instance.id})
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return instances
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def swap_filter(resources, filters, fake_field, real_field):
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if fake_field in filters:
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filter_string = filters[fake_field]
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for resource in resources:
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if resource.name.lower() == filter_string.lower():
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filters[real_field] = resource.id
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del filters[fake_field]
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return True
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class LaunchInstanceView(workflows.WorkflowView):
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workflow_class = project_workflows.LaunchInstance
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def get_initial(self):
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initial = super(LaunchInstanceView, self).get_initial()
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initial['project_id'] = self.request.user.tenant_id
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initial['user_id'] = self.request.user.id
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defaults = getattr(settings, 'LAUNCH_INSTANCE_DEFAULTS', {})
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initial['config_drive'] = defaults.get('config_drive', False)
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return initial
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def console(request, instance_id):
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data = _('Unable to get log for instance "%s".') % instance_id
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tail = request.GET.get('length')
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if tail and not tail.isdigit():
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msg = _('Log length must be a nonnegative integer.')
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messages.warning(request, msg)
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else:
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try:
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data = api.nova.server_console_output(request,
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instance_id,
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tail_length=tail)
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except Exception:
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exceptions.handle(request, ignore=True)
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return http.HttpResponse(data.encode('utf-8'), content_type='text/plain')
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def vnc(request, instance_id):
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try:
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instance = api.nova.server_get(request, instance_id)
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console_url = project_console.get_console(request, 'VNC', instance)[1]
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return shortcuts.redirect(console_url)
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except Exception:
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redirect = reverse("horizon:project:instances:index")
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msg = _('Unable to get VNC console for instance "%s".') % instance_id
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exceptions.handle(request, msg, redirect=redirect)
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def spice(request, instance_id):
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try:
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instance = api.nova.server_get(request, instance_id)
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console_url = project_console.get_console(request, 'SPICE',
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instance)[1]
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return shortcuts.redirect(console_url)
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except Exception:
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redirect = reverse("horizon:project:instances:index")
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msg = _('Unable to get SPICE console for instance "%s".') % instance_id
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exceptions.handle(request, msg, redirect=redirect)
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def rdp(request, instance_id):
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try:
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instance = api.nova.server_get(request, instance_id)
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console_url = project_console.get_console(request, 'RDP', instance)[1]
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return shortcuts.redirect(console_url)
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except Exception:
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redirect = reverse("horizon:project:instances:index")
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msg = _('Unable to get RDP console for instance "%s".') % instance_id
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exceptions.handle(request, msg, redirect=redirect)
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class SerialConsoleView(generic.TemplateView):
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template_name = 'project/instances/serial_console.html'
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def get_context_data(self, **kwargs):
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context = super(SerialConsoleView, self).get_context_data(**kwargs)
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context['instance_id'] = self.kwargs['instance_id']
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instance = None
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try:
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instance = api.nova.server_get(self.request,
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self.kwargs['instance_id'])
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except Exception:
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context["error_message"] = _(
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"Cannot find instance %s.") % self.kwargs['instance_id']
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# name is unknown, so leave it blank for the window title
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# in full-screen mode, so only the instance id is shown.
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context['instance_name'] = ''
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return context
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context['instance_name'] = instance.name
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try:
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console_url = project_console.get_console(self.request,
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"SERIAL", instance)[1]
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context["console_url"] = console_url
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except exceptions.NotAvailable:
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context["error_message"] = _(
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"Cannot get console for instance %s.") % self.kwargs[
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'instance_id']
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return context
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class UpdateView(workflows.WorkflowView):
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workflow_class = project_workflows.UpdateInstance
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success_url = reverse_lazy("horizon:project:instances:index")
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def get_context_data(self, **kwargs):
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context = super(UpdateView, 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_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:project: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(UpdateView, self).get_initial()
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initial.update({'instance_id': self.kwargs['instance_id'],
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'name': getattr(self.get_object(), 'name', '')})
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return initial
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class RebuildView(forms.ModalFormView):
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form_class = project_forms.RebuildInstanceForm
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template_name = 'project/instances/rebuild.html'
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success_url = reverse_lazy('horizon:project:instances:index')
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page_title = _("Rebuild Instance")
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submit_label = page_title
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def get_context_data(self, **kwargs):
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context = super(RebuildView, self).get_context_data(**kwargs)
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context['instance_id'] = self.kwargs['instance_id']
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context['can_set_server_password'] = api.nova.can_set_server_password()
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return context
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def get_initial(self):
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return {'instance_id': self.kwargs['instance_id']}
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class DecryptPasswordView(forms.ModalFormView):
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form_class = project_forms.DecryptPasswordInstanceForm
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template_name = 'project/instances/decryptpassword.html'
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success_url = reverse_lazy('horizon:project:instances:index')
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page_title = _("Retrieve Instance Password")
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def get_context_data(self, **kwargs):
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context = super(DecryptPasswordView, self).get_context_data(**kwargs)
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context['instance_id'] = self.kwargs['instance_id']
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context['keypair_name'] = self.kwargs['keypair_name']
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return context
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def get_initial(self):
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return {'instance_id': self.kwargs['instance_id'],
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'keypair_name': self.kwargs['keypair_name']}
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class DetailView(tabs.TabView):
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tab_group_class = project_tabs.InstanceDetailTabs
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template_name = 'horizon/common/_detail.html'
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redirect_url = 'horizon:project:instances:index'
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page_title = "{{ instance.name|default:instance.id }}"
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image_url = 'horizon:project:images:images:detail'
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volume_url = 'horizon:project:volumes:detail'
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def get_context_data(self, **kwargs):
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context = super(DetailView, self).get_context_data(**kwargs)
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instance = self.get_data()
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if instance.image:
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instance.image_url = reverse(self.image_url,
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args=[instance.image['id']])
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instance.volume_url = self.volume_url
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context["instance"] = instance
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context["url"] = reverse(self.redirect_url)
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context["actions"] = self._get_actions(instance)
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return context
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def _get_actions(self, instance):
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table = project_tables.InstancesTable(self.request)
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return table.render_row_actions(instance)
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@memoized.memoized_method
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def get_data(self):
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instance_id = self.kwargs['instance_id']
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try:
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instance = api.nova.server_get(self.request, instance_id)
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except Exception:
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redirect = reverse(self.redirect_url)
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exceptions.handle(self.request,
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_('Unable to retrieve details for '
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'instance "%s".') % instance_id,
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redirect=redirect)
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# Not all exception types handled above will result in a redirect.
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# Need to raise here just in case.
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raise exceptions.Http302(redirect)
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choices = project_tables.STATUS_DISPLAY_CHOICES
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instance.status_label = (
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filters.get_display_label(choices, instance.status))
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try:
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instance.volumes = api.nova.instance_volumes_list(self.request,
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instance_id)
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# Sort by device name
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instance.volumes.sort(key=lambda vol: vol.device)
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except Exception:
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msg = _('Unable to retrieve volume list for instance '
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'"%(name)s" (%(id)s).') % {'name': instance.name,
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'id': instance_id}
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exceptions.handle(self.request, msg, ignore=True)
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try:
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instance.full_flavor = api.nova.flavor_get(
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self.request, instance.flavor["id"])
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except Exception:
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msg = _('Unable to retrieve flavor information for instance '
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'"%(name)s" (%(id)s).') % {'name': instance.name,
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'id': instance_id}
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exceptions.handle(self.request, msg, ignore=True)
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try:
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instance.security_groups = api.network.server_security_groups(
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self.request, instance_id)
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except Exception:
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msg = _('Unable to retrieve security groups for instance '
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'"%(name)s" (%(id)s).') % {'name': instance.name,
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'id': instance_id}
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exceptions.handle(self.request, msg, ignore=True)
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try:
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api.network.servers_update_addresses(self.request, [instance])
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except Exception:
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msg = _('Unable to retrieve IP addresses from Neutron for '
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'instance "%(name)s" (%(id)s).') % {'name': instance.name,
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'id': instance_id}
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exceptions.handle(self.request, msg, ignore=True)
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return instance
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def get_tabs(self, request, *args, **kwargs):
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instance = self.get_data()
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return self.tab_group_class(request, instance=instance, **kwargs)
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class ResizeView(workflows.WorkflowView):
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workflow_class = project_workflows.ResizeInstance
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success_url = reverse_lazy("horizon:project:instances:index")
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def get_context_data(self, **kwargs):
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context = super(ResizeView, 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_object(self, *args, **kwargs):
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instance_id = self.kwargs['instance_id']
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try:
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instance = api.nova.server_get(self.request, instance_id)
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except Exception:
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redirect = reverse("horizon:project: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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flavor_id = instance.flavor['id']
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flavors = self.get_flavors()
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if flavor_id in flavors:
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instance.flavor_name = flavors[flavor_id].name
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else:
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try:
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flavor = api.nova.flavor_get(self.request, flavor_id)
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instance.flavor_name = flavor.name
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except Exception:
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msg = _('Unable to retrieve flavor information for instance '
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'"%s".') % instance_id
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exceptions.handle(self.request, msg, ignore=True)
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instance.flavor_name = _("Not available")
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return instance
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@memoized.memoized_method
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def get_flavors(self, *args, **kwargs):
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try:
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flavors = api.nova.flavor_list(self.request)
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return OrderedDict((str(flavor.id), flavor) for flavor in flavors)
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except Exception:
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redirect = reverse("horizon:project:instances:index")
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exceptions.handle(self.request,
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_('Unable to retrieve flavors.'),
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redirect=redirect)
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def get_initial(self):
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initial = super(ResizeView, self).get_initial()
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_object = self.get_object()
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if _object:
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initial.update(
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{'instance_id': self.kwargs['instance_id'],
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'name': getattr(_object, 'name', None),
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'old_flavor_id': _object.flavor['id'],
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'old_flavor_name': getattr(_object, 'flavor_name', ''),
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'flavors': self.get_flavors()})
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return initial
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class AttachInterfaceView(forms.ModalFormView):
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form_class = project_forms.AttachInterface
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template_name = 'project/instances/attach_interface.html'
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page_title = _("Attach Interface")
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form_id = "attach_interface_form"
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submit_label = _("Attach Interface")
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success_url = reverse_lazy('horizon:project:instances:index')
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def get_context_data(self, **kwargs):
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context = super(AttachInterfaceView, 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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def get_initial(self):
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args = {'instance_id': self.kwargs['instance_id']}
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submit_url = "horizon:project:instances:attach_interface"
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self.submit_url = reverse(submit_url, kwargs=args)
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return args
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class AttachVolumeView(forms.ModalFormView):
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form_class = project_forms.AttachVolume
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template_name = 'project/instances/attach_volume.html'
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page_title = _("Attach Volume")
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modal_id = "attach_volume_modal"
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submit_label = _("Attach Volume")
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success_url = reverse_lazy('horizon:project:instances:index')
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@memoized.memoized_method
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def get_object(self):
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try:
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return api.nova.server_get(self.request,
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self.kwargs["instance_id"])
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except Exception:
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exceptions.handle(self.request,
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_("Unable to retrieve instance."))
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def get_initial(self):
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|
args = {'instance_id': self.kwargs['instance_id']}
|
|
submit_url = "horizon:project:instances:attach_volume"
|
|
self.submit_url = reverse(submit_url, kwargs=args)
|
|
try:
|
|
volume_list = api.cinder.volume_list(self.request)
|
|
except Exception:
|
|
volume_list = []
|
|
exceptions.handle(self.request,
|
|
_("Unable to retrieve volume information."))
|
|
return {"instance_id": self.kwargs["instance_id"],
|
|
"volume_list": volume_list}
|
|
|
|
def get_context_data(self, **kwargs):
|
|
context = super(AttachVolumeView, self).get_context_data(**kwargs)
|
|
context['instance_id'] = self.kwargs['instance_id']
|
|
return context
|
|
|
|
|
|
class DetachVolumeView(forms.ModalFormView):
|
|
form_class = project_forms.DetachVolume
|
|
template_name = 'project/instances/detach_volume.html'
|
|
page_title = _("Detach Volume")
|
|
modal_id = "detach_volume_modal"
|
|
submit_label = _("Detach Volume")
|
|
success_url = reverse_lazy('horizon:project:instances:index')
|
|
|
|
@memoized.memoized_method
|
|
def get_object(self):
|
|
try:
|
|
return api.nova.server_get(self.request,
|
|
self.kwargs['instance_id'])
|
|
except Exception:
|
|
exceptions.handle(self.request,
|
|
_("Unable to retrieve instance."))
|
|
|
|
def get_initial(self):
|
|
args = {'instance_id': self.kwargs['instance_id']}
|
|
submit_url = "horizon:project:instances:detach_volume"
|
|
self.submit_url = reverse(submit_url, kwargs=args)
|
|
return {"instance_id": self.kwargs["instance_id"]}
|
|
|
|
def get_context_data(self, **kwargs):
|
|
context = super(DetachVolumeView, self).get_context_data(**kwargs)
|
|
context['instance_id'] = self.kwargs['instance_id']
|
|
return context
|
|
|
|
|
|
class DetachInterfaceView(forms.ModalFormView):
|
|
form_class = project_forms.DetachInterface
|
|
template_name = 'project/instances/detach_interface.html'
|
|
page_title = _("Detach Interface")
|
|
form_id = "detach_interface_form"
|
|
submit_label = _("Detach Interface")
|
|
success_url = reverse_lazy('horizon:project:instances:index')
|
|
|
|
def get_context_data(self, **kwargs):
|
|
context = super(DetachInterfaceView, self).get_context_data(**kwargs)
|
|
context['instance_id'] = self.kwargs['instance_id']
|
|
return context
|
|
|
|
def get_initial(self):
|
|
args = {"instance_id": self.kwargs["instance_id"]}
|
|
submit_url = "horizon:project:instances:detach_interface"
|
|
self.submit_url = reverse(submit_url, kwargs=args)
|
|
return args
|