706 lines
27 KiB
Python
706 lines
27 KiB
Python
# 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 volumes.
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"""
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from collections import OrderedDict
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import json
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from django import shortcuts
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from django.template.defaultfilters import slugify
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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.decorators import method_decorator
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from django.utils import encoding
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from django.utils.translation import ugettext_lazy as _
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from django.views.decorators.cache import cache_control
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from django.views.decorators.cache import never_cache
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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 tables
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from horizon import tabs
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from horizon.utils import memoized
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from openstack_dashboard.api import cinder
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from openstack_dashboard.api import nova
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from openstack_dashboard import exceptions as dashboard_exception
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from openstack_dashboard.usage import quotas
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from openstack_dashboard.utils import filters
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from openstack_dashboard.utils import futurist_utils
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from openstack_dashboard.dashboards.project.volumes \
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import forms as volume_forms
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from openstack_dashboard.dashboards.project.volumes \
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import tables as volume_tables
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from openstack_dashboard.dashboards.project.volumes \
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import tabs as project_tabs
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class VolumeTableMixIn(object):
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_has_more_data = False
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_has_prev_data = False
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def _get_volumes(self, search_opts=None):
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try:
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marker, sort_dir = self._get_marker()
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volumes, self._has_more_data, self._has_prev_data = \
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cinder.volume_list_paged(self.request, marker=marker,
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search_opts=search_opts,
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sort_dir=sort_dir, paginate=True)
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return volumes
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except Exception:
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exceptions.handle(self.request,
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_('Unable to retrieve volume list.'))
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return []
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def _get_instances(self, search_opts=None):
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try:
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# TODO(tsufiev): we should pass attached_instance_ids to
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# nova.server_list as soon as Nova API allows for this
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instances, has_more = nova.server_list(self.request,
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search_opts=search_opts)
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return instances
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except Exception:
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exceptions.handle(self.request,
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_("Unable to retrieve volume/instance "
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"attachment information"))
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return []
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def _get_volumes_ids_with_snapshots(self, search_opts=None):
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try:
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volume_ids = []
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snapshots = cinder.volume_snapshot_list(
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self.request, search_opts=search_opts)
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if snapshots:
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# extract out the volume ids
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volume_ids = set(s.volume_id for s in snapshots)
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except Exception:
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exceptions.handle(self.request,
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_("Unable to retrieve snapshot list."))
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return volume_ids
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def _get_attached_instance_ids(self, volumes):
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attached_instance_ids = []
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for volume in volumes:
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for att in volume.attachments:
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server_id = att.get('server_id', None)
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if server_id is not None:
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attached_instance_ids.append(server_id)
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return attached_instance_ids
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def _get_groups(self, volumes):
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needs_group = False
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if volumes and hasattr(volumes[0], 'group_id'):
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needs_group = True
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if needs_group:
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try:
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groups_list = cinder.group_list(self.request)
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groups = dict((g.id, g) for g in groups_list)
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except Exception:
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groups = {}
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exceptions.handle(self.request,
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_("Unable to retrieve volume groups"))
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for volume in volumes:
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if needs_group:
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volume.group = groups.get(volume.group_id)
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else:
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volume.group = None
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# set attachment string and if volume has snapshots
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def _set_volume_attributes(self,
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volumes,
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instances,
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volume_ids_with_snapshots):
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instances = OrderedDict([(inst.id, inst) for inst in instances])
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for volume in volumes:
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if volume_ids_with_snapshots:
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if volume.id in volume_ids_with_snapshots:
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setattr(volume, 'has_snapshot', True)
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if instances:
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for att in volume.attachments:
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server_id = att.get('server_id', None)
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att['instance'] = instances.get(server_id, None)
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class VolumesView(tables.PagedTableMixin, VolumeTableMixIn,
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tables.DataTableView):
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table_class = volume_tables.VolumesTable
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page_title = _("Volumes")
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def get_data(self):
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volumes = []
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attached_instance_ids = []
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instances = []
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volume_ids_with_snapshots = []
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def _task_get_volumes():
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volumes.extend(self._get_volumes())
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attached_instance_ids.extend(
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self._get_attached_instance_ids(volumes))
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def _task_get_instances():
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# As long as Nova API does not allow passing attached_instance_ids
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# to nova.server_list, this call can be forged to pass anything
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# != None
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instances.extend(self._get_instances())
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# In volumes tab we don't need to know about the assignment
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# instance-image, therefore fixing it to an empty value
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for instance in instances:
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if hasattr(instance, 'image'):
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if isinstance(instance.image, dict):
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instance.image['name'] = "-"
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def _task_get_volumes_snapshots():
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volume_ids_with_snapshots.extend(
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self._get_volumes_ids_with_snapshots())
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futurist_utils.call_functions_parallel(
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_task_get_volumes,
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_task_get_instances,
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_task_get_volumes_snapshots)
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self._set_volume_attributes(
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volumes, instances, volume_ids_with_snapshots)
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self._get_groups(volumes)
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return volumes
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class DetailView(tabs.TabbedTableView):
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tab_group_class = project_tabs.VolumeDetailTabs
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template_name = 'horizon/common/_detail.html'
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page_title = "{{ volume.name|default:volume.id }}"
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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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volume, snapshots = self.get_data()
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table = volume_tables.VolumesTable(self.request)
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context["volume"] = volume
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context["url"] = self.get_redirect_url()
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context["actions"] = table.render_row_actions(volume)
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choices = volume_tables.VolumesTableBase.STATUS_DISPLAY_CHOICES
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volume.status_label = filters.get_display_label(choices, volume.status)
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return context
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def get_search_opts(self, volume):
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return {'volume_id': volume.id}
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@memoized.memoized_method
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def get_data(self):
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try:
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volume_id = self.kwargs['volume_id']
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volume = cinder.volume_get(self.request, volume_id)
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search_opts = self.get_search_opts(volume)
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snapshots = cinder.volume_snapshot_list(
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self.request, search_opts=search_opts)
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if snapshots:
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setattr(volume, 'has_snapshot', True)
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for att in volume.attachments:
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att['instance'] = nova.server_get(self.request,
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att['server_id'])
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if getattr(volume, 'group_id', None):
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volume.group = cinder.group_get(self.request, volume.group_id)
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else:
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volume.group = None
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except Exception:
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redirect = self.get_redirect_url()
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exceptions.handle(self.request,
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_('Unable to retrieve volume details.'),
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redirect=redirect)
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try:
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volume.messages = cinder.message_list(
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self.request,
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{'resource_type': 'volume', 'resource_uuid': volume.id},
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)
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except Exception:
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volume.messages = []
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exceptions.handle(
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self.request,
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_('Unable to retrieve volume messages.'),
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ignore=True,
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)
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return volume, snapshots
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def get_redirect_url(self):
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return reverse('horizon:project:volumes:index')
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def get_tabs(self, request, *args, **kwargs):
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volume, snapshots = self.get_data()
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return self.tab_group_class(
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request, volume=volume, snapshots=snapshots, **kwargs)
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class CreateView(forms.ModalFormView):
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form_class = volume_forms.CreateForm
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template_name = 'project/volumes/create.html'
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submit_label = _("Create Volume")
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submit_url = reverse_lazy("horizon:project:volumes:create")
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success_url = reverse_lazy('horizon:project:volumes:index')
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page_title = _("Create Volume")
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def get_initial(self):
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initial = super(CreateView, self).get_initial()
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self.default_vol_type = None
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try:
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self.default_vol_type = cinder.volume_type_default(self.request)
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initial['type'] = self.default_vol_type.name
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except dashboard_exception.NOT_FOUND:
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pass
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return initial
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def get_context_data(self, **kwargs):
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context = super(CreateView, self).get_context_data(**kwargs)
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try:
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context['usages'] = quotas.tenant_quota_usages(
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self.request, targets=('volumes', 'gigabytes'))
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context['volume_types'] = self._get_volume_types()
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except Exception:
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exceptions.handle(self.request)
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return context
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def _get_volume_types(self):
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volume_types = []
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try:
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volume_types = cinder.volume_type_list(self.request)
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except Exception:
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exceptions.handle(self.request,
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_('Unable to retrieve volume type list.'))
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# check if we have default volume type so we can present the
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# description of no volume type differently
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no_type_description = None
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if self.default_vol_type is None:
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message = \
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_("If \"No volume type\" is selected, the volume will be "
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"created without a volume type.")
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no_type_description = encoding.force_text(message)
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type_descriptions = [{'name': '',
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'description': no_type_description}] + \
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[{'name': type.name,
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'description': getattr(type, "description", "")}
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for type in volume_types]
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return json.dumps(type_descriptions)
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class ExtendView(forms.ModalFormView):
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form_class = volume_forms.ExtendForm
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template_name = 'project/volumes/extend.html'
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submit_label = _("Extend Volume")
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submit_url = "horizon:project:volumes:extend"
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success_url = reverse_lazy("horizon:project:volumes:index")
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page_title = _("Extend Volume")
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def get_object(self):
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if not hasattr(self, "_object"):
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volume_id = self.kwargs['volume_id']
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try:
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self._object = cinder.volume_get(self.request, volume_id)
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except Exception:
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self._object = None
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exceptions.handle(self.request,
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_('Unable to retrieve volume information.'))
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return self._object
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def get_context_data(self, **kwargs):
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context = super(ExtendView, self).get_context_data(**kwargs)
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context['volume'] = self.get_object()
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args = (self.kwargs['volume_id'],)
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context['submit_url'] = reverse(self.submit_url, args=args)
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try:
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usages = quotas.tenant_quota_usages(self.request,
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targets=('gigabytes',))
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usages.tally('gigabytes', - context['volume'].size)
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context['usages'] = usages
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except Exception:
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exceptions.handle(self.request)
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return context
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def get_initial(self):
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volume = self.get_object()
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return {'id': self.kwargs['volume_id'],
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'name': volume.name,
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'orig_size': volume.size}
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class CreateSnapshotView(forms.ModalFormView):
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form_class = volume_forms.CreateSnapshotForm
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template_name = 'project/volumes/create_snapshot.html'
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submit_url = "horizon:project:volumes:create_snapshot"
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success_url = reverse_lazy('horizon:project:snapshots:index')
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page_title = _("Create Volume Snapshot")
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def get_context_data(self, **kwargs):
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context = super(CreateSnapshotView, self).get_context_data(**kwargs)
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context['volume_id'] = self.kwargs['volume_id']
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args = (self.kwargs['volume_id'],)
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context['submit_url'] = reverse(self.submit_url, args=args)
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try:
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volume = cinder.volume_get(self.request, context['volume_id'])
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if (volume.status == 'in-use'):
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context['attached'] = True
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context['form'].set_warning(_("This volume is currently "
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"attached to an instance. "
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"In some cases, creating a "
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"snapshot from an attached "
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"volume can result in a "
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"corrupted snapshot."))
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context['usages'] = quotas.tenant_quota_usages(
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self.request, targets=('snapshots', 'gigabytes'))
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except Exception:
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exceptions.handle(self.request,
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_('Unable to retrieve volume information.'))
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return context
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def get_initial(self):
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return {'volume_id': self.kwargs["volume_id"]}
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class UploadToImageView(forms.ModalFormView):
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form_class = volume_forms.UploadToImageForm
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template_name = 'project/volumes/upload_to_image.html'
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submit_label = _("Upload")
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submit_url = "horizon:project:volumes:upload_to_image"
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success_url = reverse_lazy("horizon:project:volumes:index")
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page_title = _("Upload Volume to Image")
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@memoized.memoized_method
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def get_data(self):
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try:
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volume_id = self.kwargs['volume_id']
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volume = cinder.volume_get(self.request, volume_id)
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except Exception:
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error_message = _(
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'Unable to retrieve volume information for volume: "%s"') \
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% volume_id
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exceptions.handle(self.request,
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error_message,
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redirect=self.success_url)
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return volume
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def get_context_data(self, **kwargs):
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context = super(UploadToImageView, self).get_context_data(**kwargs)
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context['volume'] = self.get_data()
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args = (self.kwargs['volume_id'],)
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context['submit_url'] = reverse(self.submit_url, args=args)
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return context
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def get_initial(self):
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volume = self.get_data()
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return {'id': self.kwargs['volume_id'],
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'name': volume.name,
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'status': volume.status}
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class CreateTransferView(forms.ModalFormView):
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form_class = volume_forms.CreateTransferForm
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template_name = 'project/volumes/create_transfer.html'
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success_url = reverse_lazy('horizon:project:volumes:index')
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modal_id = "create_volume_transfer_modal"
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submit_label = _("Create Volume Transfer")
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submit_url = "horizon:project:volumes:create_transfer"
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page_title = _("Create Volume Transfer")
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def get_context_data(self, *args, **kwargs):
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context = super(CreateTransferView, self).get_context_data(**kwargs)
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volume_id = self.kwargs['volume_id']
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context['volume_id'] = volume_id
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context['submit_url'] = reverse(self.submit_url, args=[volume_id])
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return context
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def get_initial(self):
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return {'volume_id': self.kwargs["volume_id"]}
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def get_form_kwargs(self):
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kwargs = super(CreateTransferView, self).get_form_kwargs()
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kwargs['next_view'] = ShowTransferView
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return kwargs
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class AcceptTransferView(forms.ModalFormView):
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form_class = volume_forms.AcceptTransferForm
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template_name = 'project/volumes/accept_transfer.html'
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success_url = reverse_lazy('horizon:project:volumes:index')
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modal_id = "accept_volume_transfer_modal"
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submit_label = _("Accept Volume Transfer")
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submit_url = reverse_lazy(
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"horizon:project:volumes:accept_transfer")
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page_title = _("Accept Volume Transfer")
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class ShowTransferView(forms.ModalFormView):
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form_class = volume_forms.ShowTransferForm
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template_name = 'project/volumes/show_transfer.html'
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success_url = reverse_lazy('horizon:project:volumes:index')
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modal_id = "show_volume_transfer_modal"
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modal_header = _("Volume Transfer")
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submit_url = "horizon:project:volumes:show_transfer"
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cancel_label = _("Close")
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download_label = _("Download transfer credentials")
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page_title = _("Volume Transfer Details")
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def get_object(self):
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try:
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return self._object
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except AttributeError:
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transfer_id = self.kwargs['transfer_id']
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try:
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self._object = cinder.transfer_get(self.request, transfer_id)
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return self._object
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except Exception:
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exceptions.handle(self.request,
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_('Unable to retrieve volume transfer.'))
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def get_context_data(self, **kwargs):
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context = super(ShowTransferView, self).get_context_data(**kwargs)
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context['transfer_id'] = self.kwargs['transfer_id']
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context['auth_key'] = self.kwargs['auth_key']
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context['download_label'] = self.download_label
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context['download_url'] = reverse(
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'horizon:project:volumes:download_transfer_creds',
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args=[context['transfer_id'], context['auth_key']]
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)
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return context
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def get_initial(self):
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transfer = self.get_object()
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return {'id': transfer.id,
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'name': transfer.name,
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'auth_key': self.kwargs['auth_key']}
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class UpdateView(forms.ModalFormView):
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form_class = volume_forms.UpdateForm
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modal_id = "update_volume_modal"
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template_name = 'project/volumes/update.html'
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submit_url = "horizon:project:volumes:update"
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success_url = reverse_lazy("horizon:project:volumes:index")
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page_title = _("Edit Volume")
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def get_object(self):
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if not hasattr(self, "_object"):
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vol_id = self.kwargs['volume_id']
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try:
|
|
self._object = cinder.volume_get(self.request, vol_id)
|
|
except Exception:
|
|
msg = _('Unable to retrieve volume.')
|
|
url = reverse('horizon:project:volumes:index')
|
|
exceptions.handle(self.request, msg, redirect=url)
|
|
return self._object
|
|
|
|
def get_context_data(self, **kwargs):
|
|
context = super(UpdateView, self).get_context_data(**kwargs)
|
|
context['volume'] = self.get_object()
|
|
args = (self.kwargs['volume_id'],)
|
|
context['submit_url'] = reverse(self.submit_url, args=args)
|
|
return context
|
|
|
|
def get_initial(self):
|
|
volume = self.get_object()
|
|
return {'volume_id': self.kwargs["volume_id"],
|
|
'name': volume.name,
|
|
'description': volume.description,
|
|
'bootable': volume.is_bootable}
|
|
|
|
|
|
class EditAttachmentsView(tables.DataTableView, forms.ModalFormView):
|
|
table_class = volume_tables.AttachmentsTable
|
|
form_class = volume_forms.AttachForm
|
|
form_id = "attach_volume_form"
|
|
modal_id = "attach_volume_modal"
|
|
template_name = 'project/volumes/attach.html'
|
|
submit_url = "horizon:project:volumes:attach"
|
|
success_url = reverse_lazy("horizon:project:volumes:index")
|
|
page_title = _("Manage Volume Attachments")
|
|
|
|
@memoized.memoized_method
|
|
def get_object(self):
|
|
volume_id = self.kwargs['volume_id']
|
|
try:
|
|
return cinder.volume_get(self.request, volume_id)
|
|
except Exception:
|
|
self._object = None
|
|
exceptions.handle(self.request,
|
|
_('Unable to retrieve volume information.'))
|
|
|
|
def get_data(self):
|
|
attachments = []
|
|
volume = self.get_object()
|
|
if volume is not None:
|
|
for att in volume.attachments:
|
|
att['volume_name'] = getattr(volume, 'name', att['device'])
|
|
attachments.append(att)
|
|
return attachments
|
|
|
|
def get_initial(self):
|
|
try:
|
|
instances, has_more = nova.server_list(self.request)
|
|
except Exception:
|
|
instances = []
|
|
exceptions.handle(self.request,
|
|
_("Unable to retrieve attachment information."))
|
|
return {'volume': self.get_object(),
|
|
'instances': instances}
|
|
|
|
@memoized.memoized_method
|
|
def get_form(self, **kwargs):
|
|
form_class = kwargs.get('form_class', self.get_form_class())
|
|
return super(EditAttachmentsView, self).get_form(form_class)
|
|
|
|
def get_context_data(self, **kwargs):
|
|
context = super(EditAttachmentsView, self).get_context_data(**kwargs)
|
|
context['form'] = self.get_form()
|
|
volume = self.get_object()
|
|
args = (self.kwargs['volume_id'],)
|
|
context['submit_url'] = reverse(self.submit_url, args=args)
|
|
if volume and volume.status == 'available':
|
|
context['show_attach'] = True
|
|
else:
|
|
context['show_attach'] = False
|
|
context['volume'] = volume
|
|
if self.request.is_ajax():
|
|
context['hide'] = True
|
|
return context
|
|
|
|
def get(self, request, *args, **kwargs):
|
|
# Table action handling
|
|
handled = self.construct_tables()
|
|
if handled:
|
|
return handled
|
|
return self.render_to_response(self.get_context_data(**kwargs))
|
|
|
|
def post(self, request, *args, **kwargs):
|
|
form = self.get_form()
|
|
if form.is_valid():
|
|
return self.form_valid(form)
|
|
else:
|
|
return self.get(request, *args, **kwargs)
|
|
|
|
|
|
class RetypeView(forms.ModalFormView):
|
|
form_class = volume_forms.RetypeForm
|
|
modal_id = "retype_volume_modal"
|
|
template_name = 'project/volumes/retype.html'
|
|
submit_label = _("Change Volume Type")
|
|
submit_url = "horizon:project:volumes:retype"
|
|
success_url = reverse_lazy("horizon:project:volumes:index")
|
|
page_title = _("Change Volume Type")
|
|
|
|
@memoized.memoized_method
|
|
def get_data(self):
|
|
try:
|
|
volume_id = self.kwargs['volume_id']
|
|
volume = cinder.volume_get(self.request, volume_id)
|
|
except Exception:
|
|
error_message = _(
|
|
'Unable to retrieve volume information for volume: "%s"') \
|
|
% volume_id
|
|
exceptions.handle(self.request,
|
|
error_message,
|
|
redirect=self.success_url)
|
|
|
|
return volume
|
|
|
|
def get_context_data(self, **kwargs):
|
|
context = super(RetypeView, self).get_context_data(**kwargs)
|
|
context['volume'] = self.get_data()
|
|
args = (self.kwargs['volume_id'],)
|
|
context['submit_url'] = reverse(self.submit_url, args=args)
|
|
return context
|
|
|
|
def get_initial(self):
|
|
volume = self.get_data()
|
|
|
|
return {'id': self.kwargs['volume_id'],
|
|
'name': volume.name,
|
|
'volume_type': volume.volume_type}
|
|
|
|
|
|
class EncryptionDetailView(generic.TemplateView):
|
|
template_name = 'project/volumes/encryption_detail.html'
|
|
page_title = _("Volume Encryption Details: {{ volume.name }}")
|
|
|
|
def get_context_data(self, **kwargs):
|
|
context = super(EncryptionDetailView, self).get_context_data(**kwargs)
|
|
volume = self.get_volume_data()
|
|
context["encryption_metadata"] = self.get_encryption_data()
|
|
context["volume"] = volume
|
|
context["page_title"] = _("Volume Encryption Details: "
|
|
"%(volume_name)s") % {'volume_name':
|
|
volume.name}
|
|
return context
|
|
|
|
@memoized.memoized_method
|
|
def get_encryption_data(self):
|
|
try:
|
|
volume_id = self.kwargs['volume_id']
|
|
self._encryption_metadata = \
|
|
cinder.volume_get_encryption_metadata(self.request,
|
|
volume_id)
|
|
except Exception:
|
|
redirect = self.get_redirect_url()
|
|
exceptions.handle(self.request,
|
|
_('Unable to retrieve volume encryption '
|
|
'details.'),
|
|
redirect=redirect)
|
|
return self._encryption_metadata
|
|
|
|
@memoized.memoized_method
|
|
def get_volume_data(self):
|
|
try:
|
|
volume_id = self.kwargs['volume_id']
|
|
volume = cinder.volume_get(self.request, volume_id)
|
|
except Exception:
|
|
redirect = self.get_redirect_url()
|
|
exceptions.handle(self.request,
|
|
_('Unable to retrieve volume details.'),
|
|
redirect=redirect)
|
|
return volume
|
|
|
|
def get_redirect_url(self):
|
|
return reverse('horizon:project:volumes:index')
|
|
|
|
|
|
class DownloadTransferCreds(generic.View):
|
|
# TODO(Itxaka): Remove cache_control in django >= 1.9
|
|
# https://code.djangoproject.com/ticket/13008
|
|
@method_decorator(cache_control(max_age=0, no_cache=True,
|
|
no_store=True, must_revalidate=True))
|
|
@method_decorator(never_cache)
|
|
def get(self, request, transfer_id, auth_key):
|
|
try:
|
|
transfer = cinder.transfer_get(self.request, transfer_id)
|
|
except Exception:
|
|
transfer = None
|
|
context = {'transfer': {
|
|
'name': getattr(transfer, 'name', ''),
|
|
'id': transfer_id,
|
|
'auth_key': auth_key,
|
|
}}
|
|
response = shortcuts.render_to_response(
|
|
'project/volumes/download_transfer_creds.html',
|
|
context, content_type='application/text')
|
|
response['Content-Disposition'] = (
|
|
'attachment; filename=%s.txt' % slugify(transfer_id))
|
|
return response
|