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# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.
"""
CLI ``nodes`` sub-commands.
"""
from .. import table
from .. import utils
from ..core import aria
NODE_COLUMNS = ['id', 'name', 'service_name', 'node_template_name', 'state']
@aria.group(name='nodes')
@aria.options.verbose()
def nodes():
"""
Manage services' nodes
"""
pass
@nodes.command(name='show',
short_help='Show information for a node')
@aria.argument('node_id')
@aria.options.verbose()
@aria.pass_model_storage
@aria.pass_logger
def show(node_id, model_storage, logger):
"""
Show information for a node
NODE_ID is the unique node ID.
"""
logger.info('Showing node {0}'.format(node_id))
node = model_storage.node.get(node_id)
table.print_data(NODE_COLUMNS, node, 'Node:', col_max_width=50)
# print node attributes
logger.info('Node attributes:')
if node.attributes:
for param_name, param in node.attributes.iteritems():
logger.info('\t{0}: {1}'.format(param_name, param.value))
else:
logger.info('\tNo attributes')
@nodes.command(name='list',
short_help='List node')
@aria.options.service_name(required=False)
@aria.options.sort_by('service_name')
@aria.options.descending
@aria.options.verbose()
@aria.pass_model_storage
@aria.pass_logger
def list(service_name,
sort_by,
descending,
model_storage,
logger):
"""
List nodes
If SERVICE_NAME is provided, list nodes for that service. Otherwise, list nodes for all
services.
"""
if service_name:
logger.info('Listing nodes for service {0}...'.format(service_name))
service = model_storage.service.get_by_name(service_name)
filters = dict(service=service)
else:
logger.info('Listing all nodes...')
filters = {}
nodes_list = model_storage.node.list(
filters=filters,
sort=utils.storage_sort_param(sort_by, descending))
table.print_data(NODE_COLUMNS, nodes_list, 'Nodes:')
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