deb-sahara/sahara/plugins/mapr/base/base_cluster_validator.py
artemosadchiy a6df0c1dfc Refactor MapR plugin for Sahara
Implements: blueprint mapr-refactor
Change-Id: Ib4385845a00aab2506dddccb9e6a6f3297a5622d
2015-02-17 18:41:26 +02:00

36 lines
1.5 KiB
Python

# Copyright (c) 2015, MapR Technologies
#
# 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.
import sahara.plugins.mapr.abstract.cluster_validator as v
import sahara.plugins.mapr.util.validation_utils as vu
import sahara.plugins.mapr.versions.version_handler_factory as vhf
class BaseValidator(v.AbstractValidator):
def validate(self, cluster_context):
for service in cluster_context.required_services:
vu.assert_present(service, cluster_context)
for service in cluster_context.cluster_services:
for rule in service.validation_rules:
rule(cluster_context)
def validate_scaling(self, cluster_context, existing, additional):
cluster = cluster_context.cluster
version = cluster.hadoop_version
handler = vhf.VersionHandlerFactory.get().get_handler(version)
cluster = vu.create_fake_cluster(cluster, existing, additional)
cluster_context = handler.get_context(cluster)
self.validate(cluster_context)