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