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

41 lines
1.4 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 sahara.plugins import edp
from sahara.plugins import exceptions as ex
from sahara.plugins import utils as u
from sahara_plugin_vanilla.plugins.vanilla import utils as vu
class EdpOozieEngine(edp.PluginsOozieJobEngine):
def get_hdfs_user(self):
return 'hadoop'
def get_name_node_uri(self, cluster):
return cluster['info']['HDFS']['NameNode']
def get_oozie_server_uri(self, cluster):
return cluster['info']['JobFlow']['Oozie'] + "/oozie/"
def get_oozie_server(self, cluster):
return vu.get_oozie(cluster)
def validate_job_execution(self, cluster, job, data):
oo_count = u.get_instances_count(cluster, 'oozie')
if oo_count != 1:
raise ex.InvalidComponentCountException('oozie', '1', oo_count)
super(EdpOozieEngine, self).validate_job_execution(cluster, job, data)