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# Copyright (c) 2019 University of Chicago.
#
# 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.
import logging
from blazarclient import command
from blazarclient import utils
RESOURCE_ID_PATTERN = '^[0-9]+$'
class ShowAllocations(command.ShowCommand):
"""Show allocations for resource identified by type and ID."""
resource = 'allocation'
json_indent = 4
id_pattern = RESOURCE_ID_PATTERN
name_key = 'hypervisor_hostname'
log = logging.getLogger(__name__ + '.ShowHostAllocation')
def get_parser(self, prog_name):
parser = super(ShowAllocations, self).get_parser(prog_name)
parser.add_argument(
'resource_type',
choices=['host'],
help='Show allocations for a resource type'
)
if self.allow_names:
help_str = 'ID or name of %s to look up'
else:
help_str = 'ID of %s to look up'
parser.add_argument('id', metavar="RESOURCE",
help=help_str % "resource")
parser.add_argument(
'--reservation-id',
dest='reservation_id',
default=None,
help='Show only allocations with specific reservation_id'
)
parser.add_argument(
'--lease-id',
dest='lease_id',
default=None,
help='Show only allocations with specific lease_id'
)
return parser
def get_data(self, parsed_args):
self.log.debug('get_data(%s)' % parsed_args)
blazar_client = self.get_client()
resource_manager = getattr(blazar_client, self.resource)
if self.allow_names:
res_id = utils.find_resource_id_by_name_or_id(
blazar_client,
parsed_args.resource_type,
parsed_args.id,
self.name_key,
self.id_pattern)
else:
res_id = parsed_args.id
data = resource_manager.get(
self.args2body(parsed_args)['resource'], res_id)
if parsed_args.lease_id is not None:
data['reservations'] = list(
filter(lambda d: d['lease_id'] == parsed_args.lease_id,
data['reservations']))
if parsed_args.reservation_id is not None:
data['reservations'] = list(
filter(lambda d: d['id'] == parsed_args.reservation_id,
data['reservations']))
self.format_output_data(data)
return list(zip(*sorted(data.items())))
def args2body(self, parsed_args):
params = {}
if parsed_args.resource_type == 'host':
params.update(dict(resource='os-hosts'))
return params
class ListAllocations(command.ListCommand):
"""List allocations for all resources of a type."""
resource = 'allocation'
log = logging.getLogger(__name__ + '.ListHostAllocations')
list_columns = ['resource_id', 'reservations']
def get_parser(self, prog_name):
parser = super(ListAllocations, self).get_parser(prog_name)
parser.add_argument(
'resource_type',
choices=['host'],
help='Show allocations for a resource type'
)
parser.add_argument(
'--reservation-id',
dest='reservation_id',
default=None,
help='Show only allocations with specific reservation_id'
)
parser.add_argument(
'--lease-id',
dest='lease_id',
default=None,
help='Show only allocations with specific lease_id'
)
parser.add_argument(
'--sort-by', metavar="<allocation_column>",
help='column name used to sort result',
default='resource_id'
)
return parser
def get_data(self, parsed_args):
self.log.debug('get_data(%s)' % parsed_args)
data = self.retrieve_list(parsed_args)
for resource in data:
if parsed_args.lease_id is not None:
resource['reservations'] = list(
filter(lambda d: d['lease_id'] == parsed_args.lease_id,
resource['reservations']))
if parsed_args.reservation_id is not None:
resource['reservations'] = list(
filter(lambda d: d['id'] == parsed_args.reservation_id,
resource['reservations']))
return self.setup_columns(data, parsed_args)
def args2body(self, parsed_args):
params = super(ListAllocations, self).args2body(parsed_args)
if parsed_args.resource_type == 'host':
params.update(dict(resource='os-hosts'))
return params
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