deb-sahara/sahara/plugins/utils.py
Andrey Pavlov 5c5491f9de Using oslo_* instead of oslo.*
Changes:
* using oslo_config instead of oslo.config
* using oslo_concurrency instead of oslo.concurrency
* using oslo_db instead of oslo.db
* using oslo_i18n instead of oslo.i18n
* using oslo_messaging instead of oslo.messaging
* using oslo_middleware instead of oslo.middleware
* using oslo_serialization instead of oslo.serialization
* using oslo_utils instead of oslo.utils

Change-Id: Ib0f18603ca5b0885256a39a96a3620d05260a272
Closes-bug: #1414587
2015-02-04 13:19:28 +03:00

63 lines
2.0 KiB
Python

# Copyright (c) 2013 Mirantis Inc.
#
# 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 oslo_utils import netutils
from six.moves.urllib import parse as urlparse
from sahara.i18n import _
from sahara.plugins import exceptions as ex
def get_node_groups(cluster, node_process=None):
return [ng for ng in cluster.node_groups
if (node_process is None or
node_process in ng.node_processes)]
def get_instances_count(cluster, node_process=None):
return sum([ng.count for ng in get_node_groups(cluster, node_process)])
def get_instances(cluster, node_process=None):
nodes = get_node_groups(cluster, node_process)
return reduce(lambda a, b: a + b.instances, nodes, [])
def get_instance(cluster, node_process):
instances = get_instances(cluster, node_process)
if len(instances) > 1:
raise ex.InvalidComponentCountException(
node_process, _('0 or 1'), len(instances))
return instances[0] if instances else None
def generate_host_names(nodes):
return "\n".join([n.hostname() for n in nodes])
def generate_fqdn_host_names(nodes):
return "\n".join([n.fqdn() for n in nodes])
def get_port_from_address(address):
parse_result = urlparse.urlparse(address)
# urlparse do not parse values like 0.0.0.0:8000,
# netutils do not parse values like http://localhost:8000,
# so combine approach is using
if parse_result.port:
return parse_result.port
else:
return netutils.parse_host_port(address)[1]