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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from django.template import defaultfilters as filters
from django.utils.translation import pgettext_lazy
from django.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import tables
from openstack_dashboard.api import cinder
from openstack_dashboard import policy
class CreateGroup(policy.PolicyTargetMixin, tables.LinkAction):
name = "create"
verbose_name = _("Create Group")
url = "horizon:project:volume_groups:create"
classes = ("ajax-modal",)
icon = "plus"
policy_rules = (("volume", "group:create"),)
class DeleteGroup(policy.PolicyTargetMixin, tables.LinkAction):
name = "deletecg"
verbose_name = _("Delete Group")
url = "horizon:project:volume_groups:delete"
classes = ("ajax-modal", "btn-danger")
policy_rules = (("volume", "group:delete"), )
def allowed(self, request, datum=None):
if datum and datum.has_snapshots:
return False
return True
class RemoveAllVolumes(policy.PolicyTargetMixin, tables.LinkAction):
name = "remove_vols"
verbose_name = _("Remove Volumes from Group")
url = "horizon:project:volume_groups:remove_volumes"
classes = ("ajax-modal",)
policy_rules = (("volume", "group:update"), )
class EditGroup(policy.PolicyTargetMixin, tables.LinkAction):
name = "edit"
verbose_name = _("Edit Group")
url = "horizon:project:volume_groups:update"
classes = ("ajax-modal",)
policy_rules = (("volume", "group:update"),)
class ManageVolumes(policy.PolicyTargetMixin, tables.LinkAction):
name = "manage"
verbose_name = _("Manage Volumes")
url = "horizon:project:volume_groups:manage"
classes = ("ajax-modal",)
policy_rules = (("volume", "group:update"),)
def allowed(self, request, group=None):
if hasattr(group, 'status'):
return group.status != 'error'
return False
class CreateSnapshot(policy.PolicyTargetMixin, tables.LinkAction):
name = "create_snapshot"
verbose_name = _("Create Snapshot")
url = "horizon:project:volume_groups:create_snapshot"
classes = ("ajax-modal",)
policy_rules = (("volume", "group:create_group_snapshot"),)
def allowed(self, request, group=None):
if hasattr(group, 'status'):
return group.status != 'error'
return False
class CloneGroup(policy.PolicyTargetMixin, tables.LinkAction):
name = "clone_group"
verbose_name = _("Clone Group")
url = "horizon:project:volume_groups:clone_group"
classes = ("ajax-modal",)
policy_rules = (("volume", "group:create"),)
def allowed(self, request, group=None):
if hasattr(group, 'status'):
return group.status != 'error'
return False
class UpdateRow(tables.Row):
ajax = True
def get_data(self, request, group_id):
group = cinder.group_get_with_vol_type_names(request, group_id)
search_opts = {'group_id': group_id}
try:
group_snapshots = cinder.group_snapshot_list(
request, search_opts=search_opts)
group.has_snapshots = bool(group_snapshots)
except Exception:
exceptions.handle(request, _('Unable to retrieve group details.'))
group.has_snapshots = False
return group
class GroupsFilterAction(tables.FilterAction):
def filter(self, table, groups, filter_string):
"""Naive case-insensitive search."""
query = filter_string.lower()
return [group for group in groups
if query in group.name.lower()]
def get_volume_types(group):
vtypes_str = ''
if hasattr(group, 'volume_type_names'):
vtypes_str = ",".join(group.volume_type_names)
return vtypes_str
class GroupsTable(tables.DataTable):
STATUS_CHOICES = (
("in-use", True),
("available", True),
("creating", None),
("error", False),
)
STATUS_DISPLAY_CHOICES = (
("available",
pgettext_lazy("Current status of Volume Group", "Available")),
("in-use",
pgettext_lazy("Current status of Volume Group", "In-use")),
("error",
pgettext_lazy("Current status of Volume Group", "Error")),
("updating",
pgettext_lazy("Current status of Volume Group", "Updating")),
("deleting",
pgettext_lazy("Current status of Volume Group", "Deleting")),
)
name = tables.WrappingColumn("name_or_id",
verbose_name=_("Name"),
link="horizon:project:volume_groups:detail")
description = tables.Column("description",
verbose_name=_("Description"),
truncate=40)
status = tables.Column("status",
verbose_name=_("Status"),
status=True,
status_choices=STATUS_CHOICES,
display_choices=STATUS_DISPLAY_CHOICES)
availability_zone = tables.Column("availability_zone",
verbose_name=_("Availability Zone"))
volume_type = tables.Column(get_volume_types,
verbose_name=_("Volume Type(s)"))
has_snapshots = tables.Column("has_snapshots",
verbose_name=_("Has Snapshots"),
filters=(filters.yesno,))
def get_object_id(self, group):
return group.id
class Meta(object):
name = "volume_groups"
verbose_name = _("Volume Groups")
table_actions = (
CreateGroup,
GroupsFilterAction,
)
row_actions = (
CreateSnapshot,
ManageVolumes,
EditGroup,
CloneGroup,
RemoveAllVolumes,
DeleteGroup,
)
row_class = UpdateRow
status_columns = ("status",)
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