00f8b11d95
User should be able to choose an AZ (or make unspecified) when creating a volume AZ should be visible in Volumes table AZ list should come from Cinder Change-Id: I23314dedc3eb65454df32102b0a96174f8030d81 Closes-Bug: #1230288
268 lines
9.2 KiB
Python
268 lines
9.2 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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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.core.urlresolvers import NoReverseMatch # noqa
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from django.core.urlresolvers import reverse # noqa
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from django.template.defaultfilters import title # noqa
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from django.utils.html import strip_tags # noqa
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from django.utils import safestring
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from django.utils.translation import string_concat # noqa
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from django.utils.translation import ugettext_lazy as _ # noqa
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from horizon import exceptions
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from horizon import tables
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from openstack_dashboard import api
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from openstack_dashboard.api import cinder
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from openstack_dashboard.usage import quotas
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DELETABLE_STATES = ("available", "error")
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class DeleteVolume(tables.DeleteAction):
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data_type_singular = _("Volume")
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data_type_plural = _("Volumes")
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action_past = _("Scheduled deletion of")
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def delete(self, request, obj_id):
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obj = self.table.get_object_by_id(obj_id)
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name = self.table.get_object_display(obj)
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try:
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cinder.volume_delete(request, obj_id)
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except Exception:
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msg = _('Unable to delete volume "%s". One or more snapshots '
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'depend on it.')
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exceptions.check_message(["snapshots", "dependent"], msg % name)
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raise
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def allowed(self, request, volume=None):
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if volume:
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return volume.status in DELETABLE_STATES
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return True
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class CreateVolume(tables.LinkAction):
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name = "create"
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verbose_name = _("Create Volume")
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url = "horizon:project:volumes:create"
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classes = ("ajax-modal", "btn-create")
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def allowed(self, request, volume=None):
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usages = quotas.tenant_quota_usages(request)
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if usages['gigabytes']['available'] <= 0 or\
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usages['volumes']['available'] <= 0:
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if "disabled" not in self.classes:
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self.classes = [c for c in self.classes] + ['disabled']
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self.verbose_name = string_concat(self.verbose_name, ' ',
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_("(Quota exceeded)"))
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else:
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self.verbose_name = _("Create Volume")
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classes = [c for c in self.classes if c != "disabled"]
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self.classes = classes
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return True
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class EditAttachments(tables.LinkAction):
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name = "attachments"
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verbose_name = _("Edit Attachments")
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url = "horizon:project:volumes:attach"
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classes = ("ajax-modal", "btn-edit")
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def allowed(self, request, volume=None):
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return volume.status in ("available", "in-use")
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class CreateSnapshot(tables.LinkAction):
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name = "snapshots"
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verbose_name = _("Create Snapshot")
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url = "horizon:project:volumes:create_snapshot"
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classes = ("ajax-modal", "btn-camera")
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def allowed(self, request, volume=None):
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return volume.status == "available"
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class UpdateRow(tables.Row):
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ajax = True
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def get_data(self, request, volume_id):
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volume = cinder.volume_get(request, volume_id)
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if not volume.display_name:
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volume.display_name = volume_id
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return volume
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def get_size(volume):
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return _("%sGB") % volume.size
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def get_attachment_name(request, attachment):
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server_id = attachment.get("server_id", None)
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if "instance" in attachment and attachment['instance']:
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name = attachment["instance"].name
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else:
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try:
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server = api.nova.server_get(request, server_id)
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name = server.name
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except Exception:
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name = None
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exceptions.handle(request, _("Unable to retrieve "
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"attachment information."))
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try:
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url = reverse("horizon:project:instances:detail", args=(server_id,))
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instance = '<a href="%s">%s</a>' % (url, name)
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except NoReverseMatch:
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instance = name
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return instance
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class AttachmentColumn(tables.Column):
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"""
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Customized column class that does complex processing on the attachments
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for a volume instance.
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"""
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def get_raw_data(self, volume):
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request = self.table.request
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link = _('Attached to %(instance)s on %(dev)s')
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attachments = []
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# Filter out "empty" attachments which the client returns...
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for attachment in [att for att in volume.attachments if att]:
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# When a volume is attached it may return the server_id
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# without the server name...
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instance = get_attachment_name(request, attachment)
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vals = {"instance": instance,
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"dev": attachment["device"]}
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attachments.append(link % vals)
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return safestring.mark_safe(", ".join(attachments))
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def get_volume_type(volume):
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return volume.volume_type if volume.volume_type != "None" else None
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class VolumesTableBase(tables.DataTable):
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STATUS_CHOICES = (
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("in-use", True),
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("available", True),
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("creating", None),
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("error", False),
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)
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name = tables.Column("display_name",
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verbose_name=_("Name"),
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link="horizon:project:volumes:detail")
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description = tables.Column("display_description",
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verbose_name=_("Description"),
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truncate=40)
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size = tables.Column(get_size,
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verbose_name=_("Size"),
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attrs={'data-type': 'size'})
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status = tables.Column("status",
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filters=(title,),
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verbose_name=_("Status"),
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status=True,
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status_choices=STATUS_CHOICES)
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def get_object_display(self, obj):
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return obj.display_name
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class VolumesFilterAction(tables.FilterAction):
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def filter(self, table, volumes, filter_string):
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""" Naive case-insensitive search. """
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q = filter_string.lower()
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return [volume for volume in volumes
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if q in volume.display_name.lower()]
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class VolumesTable(VolumesTableBase):
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name = tables.Column("display_name",
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verbose_name=_("Name"),
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link="horizon:project:volumes:detail")
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volume_type = tables.Column(get_volume_type,
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verbose_name=_("Type"),
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empty_value="-")
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attachments = AttachmentColumn("attachments",
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verbose_name=_("Attached To"))
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availability_zone = tables.Column("availability_zone",
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verbose_name=_("Availability Zone"))
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class Meta:
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name = "volumes"
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verbose_name = _("Volumes")
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status_columns = ["status"]
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row_class = UpdateRow
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table_actions = (CreateVolume, DeleteVolume, VolumesFilterAction)
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row_actions = (EditAttachments, CreateSnapshot, DeleteVolume)
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class DetachVolume(tables.BatchAction):
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name = "detach"
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action_present = _("Detach")
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action_past = _("Detaching") # This action is asynchronous.
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data_type_singular = _("Volume")
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data_type_plural = _("Volumes")
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classes = ('btn-danger', 'btn-detach')
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def action(self, request, obj_id):
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attachment = self.table.get_object_by_id(obj_id)
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api.nova.instance_volume_detach(request,
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attachment.get('server_id', None),
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obj_id)
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def get_success_url(self, request):
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return reverse('horizon:project:volumes:index')
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class AttachedInstanceColumn(tables.Column):
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"""
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Customized column class that does complex processing on the attachments
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for a volume instance.
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"""
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def get_raw_data(self, attachment):
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request = self.table.request
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return safestring.mark_safe(get_attachment_name(request, attachment))
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class AttachmentsTable(tables.DataTable):
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instance = AttachedInstanceColumn(get_attachment_name,
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verbose_name=_("Instance"))
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device = tables.Column("device",
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verbose_name=_("Device"))
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def get_object_id(self, obj):
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return obj['id']
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def get_object_display(self, attachment):
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instance_name = get_attachment_name(self.request, attachment)
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vals = {"dev": attachment['device'],
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"instance_name": strip_tags(instance_name)}
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return _("%(dev)s on instance %(instance_name)s") % vals
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def get_object_by_id(self, obj_id):
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for obj in self.data:
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if self.get_object_id(obj) == obj_id:
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return obj
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raise ValueError('No match found for the id "%s".' % obj_id)
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class Meta:
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name = "attachments"
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verbose_name = _("Attachments")
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table_actions = (DetachVolume,)
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row_actions = (DetachVolume,)
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