sahara-plugin-vanilla/sahara_plugin_vanilla/plugins/vanilla/utils.py

70 lines
1.7 KiB
Python

# Copyright (c) 2014 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 uuidutils
from sahara.plugins import castellan_utils as castellan
from sahara.plugins import utils as u
def get_namenode(cluster):
return u.get_instance(cluster, "namenode")
def get_resourcemanager(cluster):
return u.get_instance(cluster, 'resourcemanager')
def get_nodemanagers(cluster):
return u.get_instances(cluster, 'nodemanager')
def get_oozie(cluster):
return u.get_instance(cluster, "oozie")
def get_spark_history_server(cluster):
return u.get_instance(cluster, "spark history server")
def get_hiveserver(cluster):
return u.get_instance(cluster, "hiveserver")
def get_datanodes(cluster):
return u.get_instances(cluster, 'datanode')
def get_secondarynamenode(cluster):
return u.get_instance(cluster, 'secondarynamenode')
def get_historyserver(cluster):
return u.get_instance(cluster, 'historyserver')
def get_instance_hostname(instance):
return instance.hostname() if instance else None
def get_zk_servers(cluster):
return u.get_instances(cluster, 'zookeeper')
def generate_random_password():
password = uuidutils.generate_uuid()
return castellan.store_secret(password)