Container Infrastructure Management Service for OpenStack
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# 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
import magnum.conf
from magnum.drivers.heat import template_def
CONF = magnum.conf.CONF
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('fixed_network',
cluster_template_attr='fixed_network')
self.add_parameter('fixed_subnet',
cluster_template_attr='fixed_subnet')
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_slaves_private',
cluster_attr=None)
def add_nodegroup_params(self, cluster):
super(UbuntuMesosTemplateDefinition,
self).add_nodegroup_params(cluster)
master_ng = cluster.default_ng_master
worker_ng = cluster.default_ng_worker
self.add_parameter('number_of_slaves',
nodegroup_attr='node_count',
nodegroup_uuid=worker_ng.uuid,
param_class=template_def.NodeGroupParameterMapping)
self.add_parameter('slave_flavor',
nodegroup_attr='flavor_id',
nodegroup_uuid=worker_ng.uuid,
param_class=template_def.NodeGroupParameterMapping)
self.add_parameter('master_flavor',
nodegroup_attr='flavor_id',
nodegroup_uuid=master_ng.uuid,
param_class=template_def.NodeGroupParameterMapping)
def update_outputs(self, stack, cluster_template, cluster):
worker_ng = cluster.default_ng_worker
master_ng = cluster.default_ng_master
self.add_output('mesos_master',
nodegroup_attr='node_addresses',
nodegroup_uuid=master_ng.uuid,
mapping_type=template_def.NodeGroupOutputMapping)
self.add_output('mesos_slaves',
nodegroup_attr='node_addresses',
nodegroup_uuid=worker_ng.uuid,
mapping_type=template_def.NodeGroupOutputMapping)
self.add_output('number_of_slaves',
nodegroup_attr='node_count',
nodegroup_uuid=worker_ng.uuid,
is_stack_param=True,
mapping_type=template_def.NodeGroupOutputMapping)
super(UbuntuMesosTemplateDefinition,
self).update_outputs(stack, cluster_template, cluster)
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.project_id
extra_params['domain_name'] = context.domain_name
extra_params['region_name'] = osc.cinder_region_name()
extra_params['nodes_affinity_policy'] = \
CONF.cluster.nodes_affinity_policy
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.labels.get(label)
return super(UbuntuMesosTemplateDefinition,
self).get_params(context, cluster_template, cluster,
extra_params=extra_params,
**kwargs)
def get_scale_params(self, context, cluster, scale_manager=None,
nodes_to_remove=None):
scale_params = dict()
if nodes_to_remove:
scale_params['slaves_to_remove'] = nodes_to_remove
if scale_manager:
hosts = self.get_output('mesos_slaves_private')
scale_params['slaves_to_remove'] = (
scale_manager.get_removal_nodes(hosts))
return scale_params
def get_env_files(self, cluster_template, cluster):
env_files = []
template_def.add_priv_net_env_file(env_files, cluster_template)
template_def.add_lb_env_file(env_files, cluster_template)
return env_files
@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')