142 lines
5.8 KiB
Python
142 lines
5.8 KiB
Python
# Copyright 2016 Rackspace Inc. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os
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import magnum.conf
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from magnum.drivers.heat import template_def
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CONF = magnum.conf.CONF
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class UbuntuMesosTemplateDefinition(template_def.BaseTemplateDefinition):
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"""Mesos template for Ubuntu VM."""
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def __init__(self):
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super(UbuntuMesosTemplateDefinition, self).__init__()
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self.add_parameter('external_network',
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cluster_template_attr='external_network_id',
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required=True)
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self.add_parameter('fixed_network',
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cluster_template_attr='fixed_network')
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self.add_parameter('fixed_subnet',
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cluster_template_attr='fixed_subnet')
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self.add_parameter('cluster_name',
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cluster_attr='name')
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self.add_parameter('volume_driver',
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cluster_template_attr='volume_driver')
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self.add_output('api_address',
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cluster_attr='api_address')
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self.add_output('mesos_master_private',
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cluster_attr=None)
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self.add_output('mesos_slaves_private',
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cluster_attr=None)
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def get_nodegroup_param_maps(self, master_params=None, worker_params=None):
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master_params = master_params or dict()
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worker_params = worker_params or dict()
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master_params.update({
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'master_flavor': 'flavor_id',
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'master_image': 'image_id',
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})
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worker_params.update({
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'number_of_slaves': 'node_count',
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'slave_flavor': 'flavor_id',
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'slave_image': 'image_id',
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})
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return super(
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UbuntuMesosTemplateDefinition, self).get_nodegroup_param_maps(
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master_params=master_params, worker_params=worker_params)
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def update_outputs(self, stack, cluster_template, cluster,
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nodegroups=None):
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nodegroups = nodegroups or [cluster.default_ng_worker,
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cluster.default_ng_master]
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for nodegroup in nodegroups:
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if nodegroup.role == 'master':
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self.add_output(
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'mesos_master', nodegroup_attr='node_addresses',
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nodegroup_uuid=nodegroup.uuid,
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mapping_type=template_def.NodeGroupOutputMapping)
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else:
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self.add_output(
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'mesos_slaves', nodegroup_attr='node_addresses',
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nodegroup_uuid=nodegroup.uuid,
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mapping_type=template_def.NodeGroupOutputMapping)
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self.add_output(
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'number_of_slaves', nodegroup_attr='node_count',
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nodegroup_uuid=nodegroup.uuid, is_stack_param=True,
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mapping_type=template_def.NodeGroupOutputMapping)
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super(UbuntuMesosTemplateDefinition,
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self).update_outputs(stack, cluster_template, cluster,
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nodegroups=nodegroups)
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def get_params(self, context, cluster_template, cluster, **kwargs):
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extra_params = kwargs.pop('extra_params', {})
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# HACK(apmelton) - This uses the user's bearer token, ideally
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# it should be replaced with an actual trust token with only
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# access to do what the template needs it to do.
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osc = self.get_osc(context)
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extra_params['auth_url'] = context.auth_url
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extra_params['username'] = context.user_name
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extra_params['tenant_name'] = context.project_id
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extra_params['domain_name'] = context.domain_name
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extra_params['region_name'] = osc.cinder_region_name()
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extra_params['nodes_affinity_policy'] = \
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CONF.cluster.nodes_affinity_policy
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label_list = ['rexray_preempt', 'mesos_slave_isolation',
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'mesos_slave_image_providers',
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'mesos_slave_work_dir',
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'mesos_slave_executor_env_variables']
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labels = self._get_relevant_labels(cluster, kwargs)
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for label in label_list:
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extra_params[label] = labels.get(label)
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return super(UbuntuMesosTemplateDefinition,
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self).get_params(context, cluster_template, cluster,
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extra_params=extra_params,
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**kwargs)
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def get_scale_params(self, context, cluster, scale_manager=None,
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nodes_to_remove=None):
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scale_params = dict()
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if nodes_to_remove:
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scale_params['slaves_to_remove'] = nodes_to_remove
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if scale_manager:
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hosts = self.get_output('mesos_slaves_private')
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scale_params['slaves_to_remove'] = (
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scale_manager.get_removal_nodes(hosts))
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return scale_params
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def get_env_files(self, cluster_template, cluster):
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env_files = []
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template_def.add_priv_net_env_file(env_files, cluster_template,
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cluster)
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template_def.add_lb_env_file(env_files, cluster_template)
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return env_files
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@property
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def driver_module_path(self):
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return __name__[:__name__.rindex('.')]
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@property
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def template_path(self):
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return os.path.join(os.path.dirname(os.path.realpath(__file__)),
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'templates/mesoscluster.yaml')
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