175 lines
7.4 KiB
Python
175 lines
7.4 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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from magnum.drivers.heat 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, cluster_template, cluster):
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if self.cluster_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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# Note(rocha): protocol should always be tcp as the docker
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# command client does not handle https (see bug #1604812).
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params = {
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'protocol': 'tcp',
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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(cluster, self.cluster_attr, value)
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class SwarmFedoraTemplateDefinition(template_def.BaseTemplateDefinition):
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"""Docker swarm template for a Fedora Atomic VM."""
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def __init__(self):
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super(SwarmFedoraTemplateDefinition, self).__init__()
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self.add_parameter('cluster_uuid',
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cluster_attr='uuid',
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param_type=str)
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self.add_parameter('volume_driver',
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cluster_template_attr='volume_driver')
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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('network_driver',
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cluster_template_attr='network_driver')
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self.add_parameter('tls_disabled',
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cluster_template_attr='tls_disabled',
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required=True)
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self.add_parameter('registry_enabled',
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cluster_template_attr='registry_enabled')
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self.add_parameter('docker_storage_driver',
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cluster_template_attr='docker_storage_driver')
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self.add_parameter('swarm_version',
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cluster_attr='coe_version')
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self.add_output('api_address',
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cluster_attr='api_address',
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mapping_type=SwarmApiAddressOutputMapping)
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self.add_output('swarm_master_private',
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cluster_attr=None)
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self.add_output('swarm_nodes_private',
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cluster_attr=None)
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self.add_output('discovery_url',
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cluster_attr='discovery_url')
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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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'docker_volume_size': 'docker_volume_size'
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})
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worker_params.update({
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'number_of_nodes': 'node_count',
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'node_flavor': 'flavor_id',
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'node_image': 'image_id',
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'docker_volume_size': 'docker_volume_size'
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})
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return super(
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SwarmFedoraTemplateDefinition, 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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'swarm_masters', 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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'swarm_nodes', 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_nodes', 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(SwarmFedoraTemplateDefinition,
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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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extra_params['discovery_url'] = self.get_discovery_url(cluster)
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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', 'rexray_preempt',
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'swarm_strategy']
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extra_params['auth_url'] = context.auth_url
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extra_params['nodes_affinity_policy'] = \
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CONF.cluster.nodes_affinity_policy
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# set docker_volume_type
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# use the configuration default if None provided
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docker_volume_type = cluster.labels.get(
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'docker_volume_type', CONF.cinder.default_docker_volume_type)
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extra_params['docker_volume_type'] = docker_volume_type
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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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if cluster_template.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(SwarmFedoraTemplateDefinition,
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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_env_files(self, cluster_template, cluster, nodegroup=None):
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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_volume_env_file(env_files, cluster,
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nodegroup=nodegroup)
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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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def get_scale_params(self, context, cluster, node_count,
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scale_manager=None, nodes_to_remove=None):
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scale_params = dict()
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scale_params['number_of_nodes'] = node_count
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return scale_params
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