python-blazarclient/blazarclient/v1/shell_commands/hosts.py

121 lines
4.0 KiB
Python

# Copyright (c) 2014 Bull.
#
# 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
class ListHosts(command.ListCommand):
"""Print a list of host reservations."""
resource = 'host'
log = logging.getLogger(__name__ + '.ListHosts')
list_columns = ['id', 'hypervisor_hostname', 'vcpus', 'memory_mb',
'local_gb']
def get_parser(self, prog_name):
parser = super(ListHosts, self).get_parser(prog_name)
parser.add_argument(
'--sort-by', metavar="<host_column>",
help='column name used to sort result',
default='hypervisor_hostname'
)
return parser
class ShowHost(command.ShowCommand):
"""Show host reservation details."""
resource = 'host'
json_indent = 4
# NOTE(sbauza): We can't find by name as there is currently no column
# called 'name' but rather 'hypervisor_hostname'
allow_names = False
log = logging.getLogger(__name__ + '.ShowHost')
class CreateHost(command.CreateCommand):
"""Create a host reservation."""
resource = 'host'
json_indent = 4
log = logging.getLogger(__name__ + '.CreateHost')
def get_parser(self, prog_name):
parser = super(CreateHost, self).get_parser(prog_name)
parser.add_argument(
'name', metavar=self.resource.upper(),
help='Name of the host to add'
)
parser.add_argument(
'--extra', metavar='<key>=<value>',
action='append',
dest='extra_capabilities',
default=[],
help='Extra capabilities key/value pairs to add for the host'
)
return parser
def args2body(self, parsed_args):
params = {}
if parsed_args.name:
params['name'] = parsed_args.name
extras = {}
if parsed_args.extra_capabilities:
for capa in parsed_args.extra_capabilities:
key, _sep, value = capa.partition('=')
# NOTE(sbauza): multiple copies of the same capability will
# result in only the last value to be stored
extras[key] = value
params.update(extras)
return params
class UpdateHost(command.UpdateCommand):
"""Update a host reservation."""
resource = 'host'
allow_names = False
log = logging.getLogger(__name__ + '.UpdateHost')
def get_parser(self, prog_name):
parser = super(UpdateHost, self).get_parser(prog_name)
parser.add_argument(
'--extra', metavar='<key>=<value>',
action='append',
dest='extra_capabilities',
default=[],
help='Extra capabilities key/value pairs to update for the host'
)
return parser
def args2body(self, parsed_args):
params = {}
extras = {}
if parsed_args.extra_capabilities:
for capa in parsed_args.extra_capabilities:
key, _sep, value = capa.partition('=')
# NOTE(sbauza): multiple copies of the same capability will
# result in only the last value to be stored
extras[key] = value
params['values'] = extras
return params
class DeleteHost(command.DeleteCommand):
"""Delete a host reservation."""
resource = 'host'
# NOTE(sbauza): We can't find by name as there is currently no column
# called 'name' but rather 'hypervisor_hostname'
allow_names = False
log = logging.getLogger(__name__ + '.DeleteHost')