deb-sahara/sahara/plugins/cdh/edp_engine.py
Jaxon Wang 53ab54ba84 CDH plugin edp engine code refactoring
Changes:
* Move duplicated part to base class
* Change static method edp_supported to class method

Change-Id: Iea5ab75a115cd6e09dc8c99edefcaa86001b7e1f
Partially-Implements: blueprint cdh-plugin-refactoring
2016-02-26 13:43:33 +08:00

95 lines
3.5 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 import exceptions as ex
from sahara.i18n import _
from sahara.plugins import exceptions as pl_ex
from sahara.plugins import utils as u
from sahara.service.edp import hdfs_helper
from sahara.service.edp.oozie import engine as edp_engine
from sahara.service.edp.spark import engine as edp_spark_engine
class EdpOozieEngine(edp_engine.OozieJobEngine):
def __init__(self, cluster):
super(EdpOozieEngine, self).__init__(cluster)
# will be defined in derived classes
self.cloudera_utils = None
def get_hdfs_user(self):
return 'hdfs'
def create_hdfs_dir(self, remote, dir_name):
hdfs_helper.create_dir_hadoop2(remote, dir_name, self.get_hdfs_user())
def get_oozie_server_uri(self, cluster):
oozie_ip = self.cloudera_utils.pu.get_oozie(cluster).management_ip
return 'http://%s:11000/oozie' % oozie_ip
def get_name_node_uri(self, cluster):
namenode_ip = self.cloudera_utils.pu.get_namenode(cluster).fqdn()
return 'hdfs://%s:8020' % namenode_ip
def get_resource_manager_uri(self, cluster):
resourcemanager = self.cloudera_utils.pu.get_resourcemanager(cluster)
return '%s:8032' % resourcemanager.fqdn()
def get_oozie_server(self, cluster):
return self.cloudera_utils.pu.get_oozie(cluster)
def validate_job_execution(self, cluster, job, data):
oo_count = u.get_instances_count(cluster, 'OOZIE_SERVER')
if oo_count != 1:
raise pl_ex.InvalidComponentCountException(
'OOZIE_SERVER', '1', oo_count)
super(EdpOozieEngine, self).validate_job_execution(cluster, job, data)
class EdpSparkEngine(edp_spark_engine.SparkJobEngine):
edp_base_version = ""
def __init__(self, cluster):
super(EdpSparkEngine, self).__init__(cluster)
self.master = u.get_instance(cluster, "SPARK_YARN_HISTORY_SERVER")
self.plugin_params["spark-user"] = "sudo -u spark "
self.plugin_params["spark-submit"] = "spark-submit"
self.plugin_params["deploy-mode"] = "cluster"
self.plugin_params["master"] = "yarn-cluster"
driver_cp = u.get_config_value_or_default(
"Spark", "Executor extra classpath", self.cluster)
self.plugin_params["driver-class-path"] = driver_cp
@classmethod
def edp_supported(cls, version):
return version >= cls.edp_base_version
def validate_job_execution(self, cluster, job, data):
if not self.edp_supported(cluster.hadoop_version):
raise ex.InvalidDataException(
_('Cloudera {base} or higher required to run {type}'
'jobs').format(base=self.edp_base_version, type=job.type))
shs_count = u.get_instances_count(
cluster, 'SPARK_YARN_HISTORY_SERVER')
if shs_count != 1:
raise pl_ex.InvalidComponentCountException(
'SPARK_YARN_HISTORY_SERVER', '1', shs_count)
super(EdpSparkEngine, self).validate_job_execution(
cluster, job, data)