sahara-dashboard/saharadashboard/utils/anti_affinity.py

62 lines
2.0 KiB
Python

# Copyright (c) 2013 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.
import logging
from django.utils.translation import ugettext as _
from horizon import forms
from saharadashboard.api.client import client as saharaclient
import saharadashboard.utils.workflow_helpers as whelpers
LOG = logging.getLogger(__name__)
def anti_affinity_field():
return forms.MultipleChoiceField(
label=_("Use anti-affinity groups for: "),
required=False,
help_text=_("Use anti-affinity groups for processes"),
widget=forms.CheckboxSelectMultiple()
)
def populate_anti_affinity_choices(self, request, context):
sahara = saharaclient(request)
plugin, version = whelpers.get_plugin_and_hadoop_version(request)
version_details = sahara.plugins.get_version_details(plugin, version)
process_choices = []
for service, processes in version_details.node_processes.items():
for process in processes:
process_choices.append((process, process))
cluster_template_id = request.REQUEST.get("cluster_template_id", None)
if cluster_template_id is None:
selected_processes = request.REQUEST.get("aa_groups", [])
else:
cluster_template = sahara.cluster_templates.get(cluster_template_id)
selected_processes = cluster_template.anti_affinity
checked_dict = dict()
for process in selected_processes:
checked_dict[process] = process
self.fields['anti_affinity'].initial = checked_dict
return process_choices