121 lines
5.0 KiB
Python
121 lines
5.0 KiB
Python
# Copyright (c) 2013 Mirantis Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from oslo_utils import excutils
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from sahara.tests.integration.tests import base
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class ScalingTest(base.ITestCase):
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def _change_node_info_while_ng_adding(self, ngt_id, count, cluster_info):
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cluster_info['node_info']['node_count'] += count
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node_processes = self.sahara.node_group_templates.get(
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ngt_id).node_processes
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if cluster_info['plugin_config'].PROCESS_NAMES['tt'] in node_processes:
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cluster_info['node_info']['tasktracker_count'] += count
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if cluster_info['plugin_config'].PROCESS_NAMES['dn'] in node_processes:
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cluster_info['node_info']['datanode_count'] += count
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def _change_node_info_while_ng_resizing(self, name, count, cluster_info):
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node_groups = self.sahara.clusters.get(
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cluster_info['cluster_id']).node_groups
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for node_group in node_groups:
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if node_group['name'] == name:
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processes = node_group['node_processes']
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old_count = node_group['count']
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cluster_info['node_info']['node_count'] += -old_count + count
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if cluster_info['plugin_config'].PROCESS_NAMES['tt'] in processes:
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cluster_info['node_info']['tasktracker_count'] += (
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-old_count + count
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)
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if cluster_info['plugin_config'].PROCESS_NAMES['dn'] in processes:
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cluster_info['node_info']['datanode_count'] += -old_count + count
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@staticmethod
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def _add_new_field_to_scale_body_while_ng_resizing(
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scale_body, name, count):
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scale_body['resize_node_groups'].append(
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{
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'name': name,
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'count': count
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}
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)
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@staticmethod
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def _add_new_field_to_scale_body_while_ng_adding(
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scale_body, ngt_id, count, name):
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scale_body['add_node_groups'].append(
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{
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'node_group_template_id': ngt_id,
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'count': count,
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'name': name
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}
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)
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@base.skip_test('SKIP_SCALING_TEST',
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'Test for cluster scaling was skipped.')
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def cluster_scaling(self, cluster_info, change_list):
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scale_body = {'add_node_groups': [], 'resize_node_groups': []}
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for change in change_list:
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if change['operation'] == 'resize':
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node_group_name = change['info'][0]
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node_group_size = change['info'][1]
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self._add_new_field_to_scale_body_while_ng_resizing(
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scale_body, node_group_name, node_group_size
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)
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self._change_node_info_while_ng_resizing(
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node_group_name, node_group_size, cluster_info
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)
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if change['operation'] == 'add':
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node_group_name = change['info'][0]
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node_group_size = change['info'][1]
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node_group_id = change['info'][2]
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self._add_new_field_to_scale_body_while_ng_adding(
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scale_body, node_group_id, node_group_size, node_group_name
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)
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self._change_node_info_while_ng_adding(
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node_group_id, node_group_size, cluster_info
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)
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scale_body = {key: value for key, value in scale_body.items() if value}
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self.sahara.clusters.scale(cluster_info['cluster_id'], scale_body)
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self.poll_cluster_state(cluster_info['cluster_id'])
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new_node_ip_list = self.get_cluster_node_ip_list_with_node_processes(
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cluster_info['cluster_id']
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)
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try:
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new_node_info = self.get_node_info(new_node_ip_list,
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cluster_info['plugin_config'])
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except Exception as e:
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with excutils.save_and_reraise_exception():
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print(
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'\nFailure during check of node process deployment '
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'on cluster node: ' + str(e)
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)
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expected_node_info = cluster_info['node_info']
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self.assertEqual(
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expected_node_info, new_node_info,
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'Failure while node info comparison.\n'
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'Expected node info after cluster scaling: %s.\n'
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'Actual node info after cluster scaling: %s.'
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% (expected_node_info, new_node_info)
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)
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return {
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'cluster_id': cluster_info['cluster_id'],
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'node_ip_list': new_node_ip_list,
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'node_info': new_node_info,
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'plugin_config': cluster_info['plugin_config']
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}
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