sahara/sahara/plugins/cdh/client/cms.py

85 lines
3.0 KiB
Python

# Copyright (c) 2014 Intel Corporation.
#
# 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.
#
# The contents of this file are mainly copied from cm_api sources,
# released by Cloudera. Codes not used by Sahara CDH plugin are removed.
# You can find the original codes at
#
# https://github.com/cloudera/cm_api/tree/master/python/src/cm_api
#
# To satisfy the pep8 and python3 tests, we did some changes to the codes.
# We also change some importings to use Sahara inherited classes.
from sahara.plugins.cdh.client.services import ApiService
from sahara.plugins.cdh.client import types
class ClouderaManager(types.BaseApiResource):
"""The Cloudera Manager instance
Provides access to CM configuration and services.
"""
def __init__(self, resource_root):
types.BaseApiObject.init(self, resource_root)
def _path(self):
return '/cm'
def create_mgmt_service(self, service_setup_info):
"""Setup the Cloudera Management Service
:param service_setup_info: ApiServiceSetupInfo object.
:return: The management service instance.
"""
return self._put("service", ApiService, data=service_setup_info)
def get_service(self):
"""Return the Cloudera Management Services instance
:return: An ApiService instance.
"""
return self._get("service", ApiService)
def hosts_start_roles(self, host_names):
"""Start all the roles on the specified hosts
:param host_names: List of names of hosts on which to start all roles.
:return: Information about the submitted command.
:since: API v2
"""
return self._cmd('hostsStartRoles', data=host_names)
def update_config(self, config):
"""Update the CM configuration.
:param config: Dictionary with configuration to update.
:return: Dictionary with updated configuration.
"""
return self._update_config("config", config)
def import_admin_credentials(self, username, password):
"""Imports the KDC Account Manager credentials needed by Cloudera
Manager to create kerberos principals needed by CDH services.
:param username Username of the Account Manager. Full name including
the Kerberos realm must be specified.
:param password Password for the Account Manager.
:return: Information about the submitted command.
:since: API v7
"""
return self._cmd('importAdminCredentials', params=dict(
username=username, password=password))