| # 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:') |