manila-ui/manila_ui/dashboards/project/share_snapshots/tables.py

305 lines
9.9 KiB
Python

# Copyright 2012 Nebula, Inc.
#
# 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.defaultfilters import title
from django.urls import reverse
from django.utils.http import urlencode
from django.utils.translation import pgettext_lazy
from django.utils.translation import string_concat
from django.utils.translation import ugettext_lazy as _
from django.utils.translation import ungettext_lazy
from horizon import exceptions
from horizon import tables
from manila_ui.api import manila
DELETABLE_STATES = ("available", "error")
class UpdateShareSnapshotRow(tables.Row):
ajax = True
def get_data(self, request, snapshot_id):
snapshot = manila.share_snapshot_get(request, snapshot_id)
if not snapshot.name:
snapshot.name = snapshot_id
return snapshot
def get_size(snapshot):
return _("%sGiB") % snapshot.size
class CreateShareSnapshot(tables.LinkAction):
name = "create_share_snapshot"
verbose_name = _("Create Share Snapshot")
url = "horizon:project:share_snapshots:share_snapshot_create"
classes = ("ajax-modal", "btn-camera")
policy_rules = (("share", "share:create_snapshot"),)
def get_policy_target(self, request, datum=None):
project_id = None
if datum:
project_id = getattr(datum, "project_id", None)
return {"project_id": project_id}
def allowed(self, request, share=None):
usages = manila.tenant_absolute_limits(request)
snapshots_allowed = (usages['maxTotalShareSnapshots'] >
usages['totalShareSnapshotsUsed'] and
usages['maxTotalSnapshotGigabytes'] >
usages['totalSnapshotGigabytesUsed'])
if not snapshots_allowed:
if "disabled" not in self.classes:
self.classes = [c for c in self.classes] + ['disabled']
self.verbose_name = string_concat(
self.verbose_name, ' ', _("(Quota exceeded)"))
else:
self.verbose_name = _("Create Share Snapshot")
classes = [c for c in self.classes if c != "disabled"]
self.classes = classes
# NOTE(vponomaryov): Disable form with creation of a snapshot for
# shares that has attr 'snapshot_support' equal to False.
if hasattr(share, 'snapshot_support'):
snapshot_support = share.snapshot_support
else:
# NOTE(vponomaryov): Allow creation of a snapshot for shares that
# do not have such attr for backward compatibility.
snapshot_support = True
return share.status in ("available", "in-use") and snapshot_support
class DeleteShareSnapshot(tables.DeleteAction):
policy_rules = (("share", "share:delete_snapshot"),)
@staticmethod
def action_present(count):
return ungettext_lazy(
u"Delete Share Snapshot",
u"Delete Share Snapshots",
count
)
@staticmethod
def action_past(count):
return ungettext_lazy(
u"Deleted Share Snapshot",
u"Deleted Share Snapshots",
count
)
def get_policy_target(self, request, datum=None):
project_id = None
if datum:
project_id = getattr(datum, "project_id", None)
return {"project_id": project_id}
def delete(self, request, obj_id):
obj = self.table.get_object_by_id(obj_id)
name = self.table.get_object_display(obj)
try:
manila.share_snapshot_delete(request, obj_id)
except Exception:
msg = _('Unable to delete snapshot "%s". One or more shares '
'depend on it.')
exceptions.check_message(["snapshots", "dependent"], msg % name)
raise
def allowed(self, request, snapshot=None):
if snapshot:
return snapshot.status in DELETABLE_STATES
return True
class CreateShareFromShareSnapshot(tables.LinkAction):
name = "create_share_from_share_snapshot"
verbose_name = _("Create Share")
url = "horizon:project:shares:create"
classes = ("ajax-modal", "btn-camera")
policy_rules = (("share", "share:create"),)
def get_link_url(self, datum):
base_url = reverse(self.url)
params = urlencode({"snapshot_id": self.table.get_object_id(datum)})
return "?".join([base_url, params])
def allowed(self, request, share=None):
return share.status == "available"
class EditShareSnapshot(tables.LinkAction):
name = "edit_share_snapshot"
verbose_name = _("Edit Share Snapshot")
url = "horizon:project:share_snapshots:share_snapshot_edit"
classes = ("ajax-modal", "btn-camera")
class ShareSnapshotShareNameColumn(tables.Column):
def get_link_url(self, snapshot):
return reverse(self.link, args=(snapshot.share_id,))
class ManageShareSnapshotRules(tables.LinkAction):
name = "share_snapshot_manage_rules"
verbose_name = _("Manage Share Snapshot Rules")
url = "horizon:project:share_snapshots:share_snapshot_manage_rules"
classes = ("btn-edit",)
policy_rules = (("share", "share:access_get_all"),)
def allowed(self, request, snapshot=None):
share = manila.share_get(request, snapshot.share_id)
return share.mount_snapshot_support
class AddShareSnapshotRule(tables.LinkAction):
name = "share_snapshot_rule_add"
verbose_name = _("Add Share Snapshot Rule")
url = 'horizon:project:share_snapshots:share_snapshot_rule_add'
classes = ("ajax-modal", "btn-create")
icon = "plus"
policy_rules = (("share", "share:allow_access"),)
def allowed(self, request, snapshot=None):
snapshot = manila.share_snapshot_get(
request, self.table.kwargs['snapshot_id'])
return snapshot.status in ("available", "in-use")
def get_link_url(self):
return reverse(self.url, args=[self.table.kwargs['snapshot_id']])
class DeleteShareSnapshotRule(tables.DeleteAction):
policy_rules = (("share", "share:deny_access"),)
@staticmethod
def action_present(count):
return ungettext_lazy(
u"Delete Share Snapshot Rule",
u"Delete Share Snapshot Rules",
count
)
@staticmethod
def action_past(count):
return ungettext_lazy(
u"Deleted Share Snapshot Rule",
u"Deleted Share Snapshot Rules",
count
)
def delete(self, request, obj_id):
try:
manila.share_snapshot_deny(
request, self.table.kwargs['snapshot_id'], obj_id)
except Exception:
msg = _('Unable to delete snapshot rule "%s".') % obj_id
exceptions.handle(request, msg)
class UpdateShareSnapshotRuleRow(tables.Row):
ajax = True
def get_data(self, request, rule_id):
rules = manila.share_snapshot_rules_list(
request, self.table.kwargs['snapshot_id'])
if rules:
for rule in rules:
if rule.id == rule_id:
return rule
raise exceptions.NotFound
class ShareSnapshotRulesTable(tables.DataTable):
access_type = tables.Column("access_type", verbose_name=_("Access Type"))
access_to = tables.Column("access_to", verbose_name=_("Access to"))
status = tables.Column("state", verbose_name=_("Status"))
def get_object_display(self, obj):
return obj.id
class Meta(object):
name = "rules"
verbose_name = _("Share Snapshot Rules")
status_columns = ["status"]
row_class = UpdateShareSnapshotRuleRow
table_actions = (
AddShareSnapshotRule,
DeleteShareSnapshotRule,
)
row_actions = (
DeleteShareSnapshotRule,
)
class ShareSnapshotsTable(tables.DataTable):
STATUS_CHOICES = (
("in-use", True),
("available", True),
("creating", None),
("error", False),
)
STATUS_DISPLAY_CHOICES = (
("in-use", pgettext_lazy("Current status of snapshot", u"In-use")),
("available",
pgettext_lazy("Current status of snapshot", u"Available")),
("creating", pgettext_lazy("Current status of snapshot", u"Creating")),
("error", pgettext_lazy("Current status of snapshot", u"Error")),
)
name = tables.Column(
"name",
verbose_name=_("Name"),
link="horizon:project:share_snapshots:share_snapshot_detail")
description = tables.Column(
"description",
verbose_name=_("Description"),
truncate=40)
size = tables.Column(
get_size,
verbose_name=_("Size"),
attrs={'data-type': 'size'})
status = tables.Column(
"status",
filters=(title,),
verbose_name=_("Status"),
status=True,
status_choices=STATUS_CHOICES,
display_choices=STATUS_DISPLAY_CHOICES)
source = ShareSnapshotShareNameColumn(
"share",
verbose_name=_("Source"),
link="horizon:project:shares:detail")
def get_object_display(self, obj):
return obj.name
class Meta(object):
name = "share_snapshots"
verbose_name = _("Share Snapshots")
status_columns = ["status"]
row_class = UpdateShareSnapshotRow
table_actions = (
tables.NameFilterAction,
DeleteShareSnapshot,
)
row_actions = (
EditShareSnapshot,
CreateShareFromShareSnapshot,
ManageShareSnapshotRules,
DeleteShareSnapshot,
)