125 lines
4.8 KiB
Python
125 lines
4.8 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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from magnum.drivers.common import template_def
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from oslo_config import cfg
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CONF = cfg.CONF
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DOCKER_PORT = '2376'
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class SwarmApiAddressOutputMapping(template_def.OutputMapping):
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def set_output(self, stack, baymodel, bay):
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if self.bay_attr is None:
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return
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output_value = self.get_output_value(stack)
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if output_value is not None:
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protocol = 'https'
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if baymodel.tls_disabled:
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protocol = 'tcp'
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params = {
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'protocol': protocol,
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'address': output_value,
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'port': DOCKER_PORT,
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}
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value = "%(protocol)s://%(address)s:%(port)s" % params
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setattr(bay, self.bay_attr, value)
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class AtomicSwarmTemplateDefinition(template_def.BaseTemplateDefinition):
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"""Docker swarm template for a Fedora Atomic VM."""
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provides = [
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{'server_type': 'vm', 'os': 'fedora-atomic', 'coe': 'swarm'},
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]
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def __init__(self):
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super(AtomicSwarmTemplateDefinition, self).__init__()
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self.add_parameter('bay_uuid',
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bay_attr='uuid',
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param_type=str)
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self.add_parameter('number_of_nodes',
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bay_attr='node_count')
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self.add_parameter('master_flavor',
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baymodel_attr='master_flavor_id')
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self.add_parameter('node_flavor',
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baymodel_attr='flavor_id')
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self.add_parameter('docker_volume_size',
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baymodel_attr='docker_volume_size')
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self.add_parameter('external_network',
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baymodel_attr='external_network_id',
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required=True)
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self.add_parameter('network_driver',
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baymodel_attr='network_driver')
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self.add_parameter('tls_disabled',
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baymodel_attr='tls_disabled',
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required=True)
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self.add_parameter('registry_enabled',
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baymodel_attr='registry_enabled')
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self.add_parameter('docker_storage_driver',
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baymodel_attr='docker_storage_driver')
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self.add_output('api_address',
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bay_attr='api_address',
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mapping_type=SwarmApiAddressOutputMapping)
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self.add_output('swarm_master_private',
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bay_attr=None)
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self.add_output('swarm_masters',
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bay_attr='master_addresses')
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self.add_output('swarm_nodes_private',
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bay_attr=None)
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self.add_output('swarm_nodes',
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bay_attr='node_addresses')
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self.add_output('discovery_url',
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bay_attr='discovery_url')
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def get_params(self, context, baymodel, bay, **kwargs):
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extra_params = kwargs.pop('extra_params', {})
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extra_params['discovery_url'] = self.get_discovery_url(bay)
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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['magnum_url'] = osc.magnum_url()
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label_list = ['flannel_network_cidr', 'flannel_backend',
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'flannel_network_subnetlen']
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for label in label_list:
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extra_params[label] = baymodel.labels.get(label)
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if baymodel.registry_enabled:
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extra_params['swift_region'] = CONF.docker_registry.swift_region
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extra_params['registry_container'] = (
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CONF.docker_registry.swift_registry_container)
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return super(AtomicSwarmTemplateDefinition,
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self).get_params(context, baymodel, bay,
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extra_params=extra_params,
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**kwargs)
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def get_env_files(self, baymodel):
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if baymodel.master_lb_enabled:
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return ['environments/with_master_lb.yaml']
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else:
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return ['environments/no_master_lb.yaml']
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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/cluster.yaml')
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