Container Infrastructure Management Service for OpenStack
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# 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.
from magnum.drivers.heat import template_def
from oslo_config import cfg
from oslo_log import log as logging
CONF = cfg.CONF
DOCKER_PORT = '2375'
LOG = logging.getLogger(__name__)
class SwarmModeApiAddressOutputMapping(template_def.OutputMapping):
def set_output(self, stack, cluster_template, cluster):
if self.cluster_attr is None:
return
output_value = self.get_output_value(stack)
if output_value is not None:
# Note(rocha): protocol should always be tcp as the docker
# command client does not handle https (see bug #1604812).
params = {
'protocol': 'tcp',
'address': output_value,
'port': DOCKER_PORT,
}
value = "%(protocol)s://%(address)s:%(port)s" % params
setattr(cluster, self.cluster_attr, value)
class ServerAddressOutputMapping(template_def.NodeGroupOutputMapping):
public_ip_output_key = None
private_ip_output_key = None
def __init__(self, dummy_arg, nodegroup_attr=None, nodegroup_uuid=None):
self.heat_output = self.public_ip_output_key
self.nodegroup_attr = nodegroup_attr
self.nodegroup_uuid = nodegroup_uuid
self.is_stack_param = False
class MasterAddressOutputMapping(ServerAddressOutputMapping):
public_ip_output_key = ['swarm_primary_master',
'swarm_secondary_masters']
private_ip_output_key = ['swarm_primary_master_private',
'swarm_secondary_masters_private']
def set_output(self, stack, cluster_template, cluster):
if not cluster.floating_ip_enabled:
self.heat_output = self.private_ip_output_key
LOG.debug("Using heat_output: %s", self.heat_output)
_master_addresses = []
for output in stack.to_dict().get('outputs', []):
if output['output_key'] in self.heat_output:
_master_addresses += output['output_value']
for ng in cluster.nodegroups:
if ng.uuid == self.nodegroup_uuid:
setattr(ng, self.nodegroup_attr, _master_addresses)
class NodeAddressOutputMapping(ServerAddressOutputMapping):
public_ip_output_key = 'swarm_nodes'
private_ip_output_key = 'swarm_nodes_private'
def set_output(self, stack, cluster_template, cluster):
if not cluster.floating_ip_enabled:
self.heat_output = self.private_ip_output_key
LOG.debug("Using heat_output: %s", self.heat_output)
super(NodeAddressOutputMapping,
self).set_output(stack, cluster_template, cluster)
class SwarmModeTemplateDefinition(template_def.BaseTemplateDefinition):
"""Docker swarm mode template."""
def __init__(self):
super(SwarmModeTemplateDefinition, self).__init__()
self.add_parameter('cluster_uuid',
cluster_attr='uuid',
param_type=str)
self.add_parameter('volume_driver',
cluster_template_attr='volume_driver')
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('tls_disabled',
cluster_template_attr='tls_disabled',
required=True)
self.add_parameter('docker_storage_driver',
cluster_template_attr='docker_storage_driver')
self.add_output('api_address',
cluster_attr='api_address',
mapping_type=SwarmModeApiAddressOutputMapping)
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)
# NOTE: Sometimes, version discovery fails when Magnum cannot talk to
# Keystone via specified magnum_client.endpoint_type intended for
# cluster instances either because it is not unreachable from the
# controller or CA certs are missing for TLS enabled interface and the
# returned auth_url may not be suffixed with /v1 in which case append
# the url with the suffix so that instances can still talk to Magnum.
magnum_url = osc.magnum_url()
extra_params['magnum_url'] = magnum_url + ('' if
magnum_url.endswith('/v1')
else '/v1')
label_list = ['rexray_preempt', 'availability_zone']
extra_params['auth_url'] = context.auth_url
extra_params['nodes_affinity_policy'] = \
CONF.cluster.nodes_affinity_policy
labels = self._get_relevant_labels(cluster, kwargs)
for label in label_list:
extra_params[label] = labels.get(label)
# set docker_volume_type
# use the configuration default if None provided
docker_volume_type = cluster.labels.get(
'docker_volume_type', CONF.cinder.default_docker_volume_type)
extra_params['docker_volume_type'] = docker_volume_type
return super(SwarmModeTemplateDefinition,
self).get_params(context, cluster_template, cluster,
extra_params=extra_params,
**kwargs)
def get_nodegroup_param_maps(self, master_params=None, worker_params=None):
master_params = master_params or dict()
worker_params = worker_params or dict()
master_params.update({
'master_flavor': 'flavor_id',
'master_image': 'image_id',
'docker_volume_size': 'docker_volume_size'
})
worker_params.update({
'number_of_nodes': 'node_count',
'node_flavor': 'flavor_id',
'node_image': 'image_id',
'docker_volume_size': 'docker_volume_size'
})
return super(
SwarmModeTemplateDefinition, self).get_nodegroup_param_maps(
master_params=master_params, worker_params=worker_params)
def update_outputs(self, stack, cluster_template, cluster,
nodegroups=None):
nodegroups = nodegroups or [cluster.default_ng_worker,
cluster.default_ng_master]
for nodegroup in nodegroups:
if nodegroup.role == 'master':
self.add_output('swarm_masters',
nodegroup_attr='node_addresses',
nodegroup_uuid=nodegroup.uuid,
mapping_type=MasterAddressOutputMapping)
else:
self.add_output('swarm_nodes',
nodegroup_attr='node_addresses',
nodegroup_uuid=nodegroup.uuid,
mapping_type=NodeAddressOutputMapping)
self.add_output(
'number_of_nodes', nodegroup_attr='node_count',
nodegroup_uuid=nodegroup.uuid, is_stack_param=True,
mapping_type=template_def.NodeGroupOutputMapping)
super(SwarmModeTemplateDefinition,
self).update_outputs(stack, cluster_template, cluster,
nodegroups=nodegroups)
def get_env_files(self, cluster_template, cluster, nodegroup=None):
env_files = []
template_def.add_priv_net_env_file(env_files, cluster_template,
cluster)
template_def.add_volume_env_file(env_files, cluster,
nodegroup=nodegroup)
template_def.add_lb_env_file(env_files, cluster_template)
template_def.add_fip_env_file(env_files, cluster_template, cluster)
return env_files