deb-sahara/sahara/plugins/cdh/plugin.py
Vitaly Gridnev aceb9c4a28 Add recommendation support to Cloudera plugin
Added support of recommendations to both versions of Cloudera
plugin. Also added small refactoring in AutoConfigsProvider.

Partial-Implements blueprint: recommend-configuration

Change-Id: I25f906d830b803b65ffcc7443978ea3cfef126da
2015-08-10 12:11:41 +00:00

94 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.i18n import _
from sahara.plugins.cdh import versionfactory as vhf
from sahara.plugins import provisioning as p
class CDHPluginProvider(p.ProvisioningPluginBase):
def __init__(self):
self.version_factory = vhf.VersionFactory.get_instance()
def get_title(self):
return "Cloudera Plugin"
def get_description(self):
return _('The Cloudera Sahara plugin provides the ability to '
'launch the Cloudera distribution of Apache Hadoop '
'(CDH) with Cloudera Manager management console.')
def _get_version_handler(self, hadoop_version):
return self.version_factory.get_version_handler(hadoop_version)
def get_versions(self):
return self.version_factory.get_versions()
def get_node_processes(self, hadoop_version):
return self._get_version_handler(hadoop_version).get_node_processes()
def get_configs(self, hadoop_version):
return self._get_version_handler(hadoop_version).get_plugin_configs()
def configure_cluster(self, cluster):
return self._get_version_handler(
cluster.hadoop_version).configure_cluster(cluster)
def start_cluster(self, cluster):
return self._get_version_handler(
cluster.hadoop_version).start_cluster(cluster)
def validate(self, cluster):
return self._get_version_handler(
cluster.hadoop_version).validate(cluster)
def scale_cluster(self, cluster, instances):
return self._get_version_handler(
cluster.hadoop_version).scale_cluster(cluster, instances)
def decommission_nodes(self, cluster, instances):
return self._get_version_handler(
cluster.hadoop_version).decommission_nodes(cluster, instances)
def validate_scaling(self, cluster, existing, additional):
return self._get_version_handler(
cluster.hadoop_version).validate_scaling(cluster, existing,
additional)
def get_edp_engine(self, cluster, job_type):
return self._get_version_handler(
cluster.hadoop_version).get_edp_engine(cluster, job_type)
def get_edp_job_types(self, versions=[]):
res = {}
for vers in self.version_factory.get_versions():
if not versions or vers in versions:
vh = self.version_factory.get_version_handler(vers)
res[vers] = vh.get_edp_job_types()
return res
def get_edp_config_hints(self, job_type, version):
version_handler = (
self.version_factory.get_version_handler(version))
return version_handler.get_edp_config_hints(job_type)
def get_open_ports(self, node_group):
return self._get_version_handler(
node_group.cluster.hadoop_version).get_open_ports(node_group)
def recommend_configs(self, cluster):
return self._get_version_handler(
cluster.hadoop_version).recommend_configs(cluster)