magnum/magnum/drivers/mesos_ubuntu_v1/template_def.py

94 lines
3.9 KiB
Python

# Copyright 2016 Rackspace Inc. All rights reserved.
#
# 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 os
from magnum.drivers.heat import template_def
class UbuntuMesosTemplateDefinition(template_def.BaseTemplateDefinition):
"""Mesos template for Ubuntu VM."""
def __init__(self):
super(UbuntuMesosTemplateDefinition, self).__init__()
self.add_parameter('external_network',
cluster_template_attr='external_network_id',
required=True)
self.add_parameter('number_of_slaves',
cluster_attr='node_count')
self.add_parameter('master_flavor',
cluster_template_attr='master_flavor_id')
self.add_parameter('slave_flavor',
cluster_template_attr='flavor_id')
self.add_parameter('cluster_name',
cluster_attr='name')
self.add_parameter('volume_driver',
cluster_template_attr='volume_driver')
self.add_output('api_address',
cluster_attr='api_address')
self.add_output('mesos_master_private',
cluster_attr=None)
self.add_output('mesos_master',
cluster_attr='master_addresses')
self.add_output('mesos_slaves_private',
cluster_attr=None)
self.add_output('mesos_slaves',
cluster_attr='node_addresses')
def get_params(self, context, cluster_template, cluster, **kwargs):
extra_params = kwargs.pop('extra_params', {})
# HACK(apmelton) - This uses the user's bearer token, ideally
# it should be replaced with an actual trust token with only
# access to do what the template needs it to do.
osc = self.get_osc(context)
extra_params['auth_url'] = context.auth_url
extra_params['username'] = context.user_name
extra_params['tenant_name'] = context.tenant
extra_params['domain_name'] = context.domain_name
extra_params['region_name'] = osc.cinder_region_name()
label_list = ['rexray_preempt', 'mesos_slave_isolation',
'mesos_slave_image_providers',
'mesos_slave_work_dir',
'mesos_slave_executor_env_variables']
for label in label_list:
extra_params[label] = cluster_template.labels.get(label)
scale_mgr = kwargs.pop('scale_manager', None)
if scale_mgr:
hosts = self.get_output('mesos_slaves_private')
extra_params['slaves_to_remove'] = (
scale_mgr.get_removal_nodes(hosts))
return super(UbuntuMesosTemplateDefinition,
self).get_params(context, cluster_template, cluster,
extra_params=extra_params,
**kwargs)
def get_env_files(self, cluster_template):
if cluster_template.master_lb_enabled:
return [template_def.COMMON_ENV_PATH + 'with_master_lb.yaml']
else:
return [template_def.COMMON_ENV_PATH + 'no_master_lb.yaml']
@property
def driver_module_path(self):
return __name__[:__name__.rindex('.')]
@property
def template_path(self):
return os.path.join(os.path.dirname(os.path.realpath(__file__)),
'templates/mesoscluster.yaml')