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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 ugettext_lazy as _
from django.utils.translation import ungettext_lazy
from horizon import tables
from openstack_dashboard import api
from openstack_dashboard.dashboards.admin.aggregates import constants
class DeleteAggregateAction(tables.DeleteAction):
policy_rules = (("compute", "os_compute_api:os-aggregates:delete"),)
@staticmethod
def action_present(count):
return ungettext_lazy(
u"Delete Host Aggregate",
u"Delete Host Aggregates",
count
)
@staticmethod
def action_past(count):
return ungettext_lazy(
u"Deleted Host Aggregate",
u"Deleted Host Aggregates",
count
)
def allowed(self, request, aggregate):
if aggregate and aggregate.hosts:
return False
return True
def delete(self, request, obj_id):
api.nova.aggregate_delete(request, obj_id)
class CreateAggregateAction(tables.LinkAction):
name = "create"
verbose_name = _("Create Host Aggregate")
url = constants.AGGREGATES_CREATE_URL
classes = ("ajax-modal",)
policy_rules = (("compute", "os_compute_api:os-aggregates:create"),)
icon = "plus"
class ManageHostsAction(tables.LinkAction):
name = "manage"
verbose_name = _("Manage Hosts")
url = constants.AGGREGATES_MANAGE_HOSTS_URL
classes = ("ajax-modal",)
icon = "plus"
class UpdateMetadataAction(tables.LinkAction):
name = "update-metadata"
verbose_name = _("Update Metadata")
ajax = False
policy_rules = (("compute", "os_compute_api:os-aggregates:set_metadata"),)
icon = "pencil"
attrs = {"ng-controller": "MetadataModalHelperController as modal"}
def __init__(self, attrs=None, **kwargs):
kwargs['preempt'] = True
super().__init__(attrs, **kwargs)
def get_link_url(self, datum):
aggregate_id = self.table.get_object_id(datum)
self.attrs['ng-click'] = (
"modal.openMetadataModal('aggregate', '%s', true)" % aggregate_id)
return "javascript:void(0);"
class UpdateAggregateAction(tables.LinkAction):
name = "update"
verbose_name = _("Edit Host Aggregate")
url = constants.AGGREGATES_UPDATE_URL
classes = ("ajax-modal",)
policy_rules = (("compute", "os_compute_api:os-aggregates:update"),)
icon = "pencil"
class AggregateFilterAction(tables.FilterAction):
def filter(self, table, aggregates, filter_string):
q = filter_string.lower()
def comp(aggregate):
return q in aggregate.name.lower()
return filter(comp, aggregates)
class AvailabilityZoneFilterAction(tables.FilterAction):
def filter(self, table, availability_zones, filter_string):
q = filter_string.lower()
def comp(availabilityZone):
return q in availabilityZone.zoneName.lower()
return filter(comp, availability_zones)
def get_aggregate_hosts(aggregate):
return aggregate.hosts
def get_metadata(aggregate):
return [' = '.join([key, val]) for key, val
in aggregate.metadata.items()]
def get_available(zone):
return zone.zoneState['available']
def get_zone_hosts(zone):
hosts = zone.hosts
host_details = []
if hosts is None:
return []
for name, services in hosts.items():
up = all(s['active'] and s['available'] for s in services.values())
up = _("Services Up") if up else _("Services Down")
host_details.append("%(host)s (%(up)s)" % {'host': name, 'up': up})
return host_details
def safe_unordered_list(value):
return filters.unordered_list(value, autoescape=True)
class HostAggregatesTable(tables.DataTable):
name = tables.WrappingColumn('name', verbose_name=_('Name'))
availability_zone = tables.Column('availability_zone',
verbose_name=_('Availability Zone'))
hosts = tables.Column(get_aggregate_hosts,
verbose_name=_("Hosts"),
wrap_list=True,
filters=(safe_unordered_list,))
metadata = tables.Column(get_metadata,
verbose_name=_("Metadata"),
wrap_list=True,
filters=(safe_unordered_list,))
class Meta(object):
name = "host_aggregates"
hidden_title = False
verbose_name = _("Host Aggregates")
table_actions = (AggregateFilterAction,
CreateAggregateAction,
DeleteAggregateAction)
row_actions = (UpdateAggregateAction,
ManageHostsAction,
UpdateMetadataAction,
DeleteAggregateAction)
class AvailabilityZonesTable(tables.DataTable):
name = tables.WrappingColumn('zoneName',
verbose_name=_('Availability Zone Name'))
hosts = tables.Column(get_zone_hosts,
verbose_name=_('Hosts'),
wrap_list=True,
filters=(safe_unordered_list,))
available = tables.Column(get_available,
verbose_name=_('Available'),
status=True,
filters=(filters.yesno, filters.capfirst))
def get_object_id(self, zone):
return zone.zoneName
class Meta(object):
name = "availability_zones"
hidden_title = False
verbose_name = _("Availability Zones")
table_actions = (AvailabilityZoneFilterAction,)
multi_select = False
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