# 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.core.urlresolvers import reverse
from django.template import defaultfilters as filters
from django.utils.translation import ugettext_lazy as _
from django.utils.translation import ungettext_lazy
from horizon import exceptions
from horizon import forms
from horizon import tables
from openstack_dashboard.api import cinder
from openstack_dashboard import policy
[docs]class CreateVolumeType(tables.LinkAction):
name = "create"
verbose_name = _("Create Volume Type")
url = "horizon:admin:volumes:volume_types:create_type"
classes = ("ajax-modal",)
icon = "plus"
policy_rules = (("volume", "volume_extension:types_manage"),)
[docs]class EditVolumeType(tables.LinkAction):
name = "edit"
verbose_name = _("Edit Volume Type")
url = "horizon:admin:volumes:volume_types:update_type"
classes = ("ajax-modal",)
icon = "pencil"
policy_rules = (("volume", "volume_extension:types_manage"),)
[docs]class ManageQosSpecAssociation(tables.LinkAction):
name = "associate"
verbose_name = _("Manage QoS Spec Association")
url = "horizon:admin:volumes:volume_types:manage_qos_spec_association"
classes = ("ajax-modal",)
icon = "pencil"
policy_rules = (("volume", "volume_extension:types_manage"),)
[docs]class DeleteVolumeType(tables.DeleteAction):
@staticmethod
[docs] def action_present(count):
return ungettext_lazy(
u"Delete Volume Type",
u"Delete Volume Types",
count
)
@staticmethod
[docs] def action_past(count):
return ungettext_lazy(
u"Deleted Volume Type",
u"Deleted Volume Types",
count
)
policy_rules = (("volume", "volume_extension:types_manage"),)
[docs] def delete(self, request, obj_id):
try:
cinder.volume_type_delete(request, obj_id)
except exceptions.BadRequest as e:
redirect_url = reverse("horizon:admin:volumes:index")
exceptions.handle(request, e, redirect=redirect_url)
[docs]class CreateVolumeTypeEncryption(tables.LinkAction):
name = "create_encryption"
verbose_name = _("Create Encryption")
url = "horizon:admin:volumes:volume_types:create_type_encryption"
classes = ("ajax-modal",)
icon = "plus"
policy_rules = (("volume", "volume_extension:volume_type_encryption"),)
[docs] def allowed(self, request, volume_type):
return (_is_vol_type_enc_possible(request) and
not _does_vol_type_enc_exist(volume_type))
[docs]class UpdateVolumeTypeEncryption(tables.LinkAction):
name = "update_encryption"
verbose_name = _("Update Encryption")
url = "horizon:admin:volumes:volume_types:update_type_encryption"
classes = ("ajax-modal",)
icon = "pencil"
policy_rules = (("volume", "volume_extension:volume_type_encryption"),)
[docs] def allowed(self, request, volume_type=None):
return (_is_vol_type_enc_possible(request) and
_does_vol_type_enc_exist(volume_type))
[docs]class DeleteVolumeTypeEncryption(tables.DeleteAction):
name = "delete_encryption"
policy_rules = (("volume", "volume_extension:volume_type_encryption"),)
@staticmethod
[docs] def action_present(count):
return ungettext_lazy(
u"Delete Encryption",
u"Delete Encryptions",
count
)
@staticmethod
[docs] def action_past(count):
return ungettext_lazy(
u"Deleted Encryption",
u"Deleted Encryptions",
count
)
[docs] def delete(self, request, volume_type_id):
cinder.volume_encryption_type_delete(request,
volume_type_id)
[docs] def allowed(self, request, volume_type=None):
return (_is_vol_type_enc_possible(request) and
_does_vol_type_enc_exist(volume_type))
def _does_vol_type_enc_exist(volume_type):
# Check to see if there is an existing encryption information
# for the volume type or not
return (hasattr(volume_type, 'encryption') and
hasattr(volume_type.encryption, 'provider'))
def _is_vol_type_enc_possible(request):
try:
supported = cinder.extension_supported(request,
'VolumeTypeEncryption')
except Exception:
exceptions.handle(request, _('Unable to determine if volume type '
'encryption is supported.'))
return False
return supported
[docs]def get_volume_type_encryption(volume_type):
try:
provider = volume_type.encryption.provider
except Exception:
provider = None
return provider
[docs]class VolumeTypesFilterAction(tables.FilterAction):
[docs] def filter(self, table, volume_types, filter_string):
"""Naive case-insensitive search."""
query = filter_string.lower()
return [volume_type for volume_type in volume_types
if query in volume_type.name.lower()]
[docs]class UpdateRow(tables.Row):
ajax = True
[docs] def get_data(self, request, volume_type_id):
try:
volume_type = \
cinder.volume_type_get_with_qos_association(request,
volume_type_id)
except Exception:
exceptions.handle(request,
_('Unable to retrieve volume type qos.'))
return volume_type
[docs]class UpdateCell(tables.UpdateAction):
[docs] def allowed(self, request, volume_type, cell):
return policy.check(
("volume_extension", "volume_extension:types_manage"), request)
[docs] def update_cell(self, request, data, volume_type_id,
cell_name, new_cell_value):
# inline update volume type name and/or description
try:
vol_type_obj = data
# updating changed value by new value
setattr(vol_type_obj, cell_name, new_cell_value)
name_value = getattr(vol_type_obj, 'name', None)
desc_value = getattr(vol_type_obj, 'description', None)
cinder.volume_type_update(
request,
volume_type_id,
name=name_value,
description=desc_value)
except Exception as ex:
if ex.code and ex.code == 409:
error_message = _('New name conflicts with another '
'volume type.')
else:
error_message = _('Unable to update the volume type.')
exceptions.handle(request, error_message)
return False
return True
[docs]class VolumeTypesTable(tables.DataTable):
name = tables.Column("name", verbose_name=_("Name"),
form_field=forms.CharField(
max_length=64, required=True),
update_action=UpdateCell)
description = tables.Column(lambda obj: getattr(obj, 'description', None),
verbose_name=_('Description'),
form_field=forms.CharField(
widget=forms.Textarea(attrs={'rows': 4}),
required=False),
update_action=UpdateCell)
assoc_qos_spec = tables.Column("associated_qos_spec",
verbose_name=_("Associated QoS Spec"))
encryption = tables.Column(get_volume_type_encryption,
verbose_name=_("Encryption"),
link="horizon:admin:volumes:volume_types:"
"type_encryption_detail")
[docs] def get_object_display(self, vol_type):
return vol_type.name
[docs] def get_object_id(self, vol_type):
return str(vol_type.id)
[docs]class ManageQosSpec(tables.LinkAction):
name = "qos_spec"
verbose_name = _("Manage Specs")
url = "horizon:admin:volumes:volume_types:qos_specs:index"
classes = ("ajax-modal",)
icon = "pencil"
policy_rules = (("volume", "volume_extension:types_manage"),)
[docs]def render_spec_keys(qos_spec):
qos_spec_keys = ["%s=%s" % (key, value)
for key, value in qos_spec.specs.items()]
return qos_spec_keys
[docs]class CreateQosSpec(tables.LinkAction):
name = "create"
verbose_name = _("Create QoS Spec")
url = "horizon:admin:volumes:volume_types:create_qos_spec"
classes = ("ajax-modal",)
icon = "plus"
policy_rules = (("volume", "volume_extension:types_manage"),)
[docs]class DeleteQosSpecs(tables.DeleteAction):
@staticmethod
[docs] def action_present(count):
return ungettext_lazy(
u"Delete QoS Spec",
u"Delete QoS Specs",
count
)
@staticmethod
[docs] def action_past(count):
return ungettext_lazy(
u"Deleted QoS Spec",
u"Deleted QoS Specs",
count
)
policy_rules = (("volume", "volume_extension:types_manage"),)
[docs] def delete(self, request, qos_spec_id):
cinder.qos_spec_delete(request, qos_spec_id)
[docs]class EditConsumer(tables.LinkAction):
name = "edit_consumer"
verbose_name = _("Edit Consumer")
url = "horizon:admin:volumes:volume_types:edit_qos_spec_consumer"
classes = ("ajax-modal",)
icon = "pencil"
policy_rules = (("volume", "volume_extension:types_manage"),)
[docs]class QosSpecsTable(tables.DataTable):
name = tables.Column('name', verbose_name=_('Name'))
consumer = tables.Column('consumer', verbose_name=_('Consumer'))
specs = tables.Column(render_spec_keys,
verbose_name=_('Specs'),
wrap_list=True,
filters=(filters.unordered_list,))
[docs] def get_object_display(self, qos_specs):
return qos_specs.name
[docs] def get_object_id(self, qos_specs):
return qos_specs.id