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# Copyright (c) 2017 Cable Television Laboratories, Inc. ("CableLabs")
# and others. 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 logging
from magnumclient.client import Client
from snaps.domain.cluster_template import ClusterTemplate
from snaps.openstack.utils import keystone_utils
__author__ = 'spisarski'
logger = logging.getLogger('magnum_utils')
def magnum_client(os_creds):
"""
Retrieves the Magnum client
:param os_creds: the OpenStack credentialsf
:return: the client
"""
logger.debug('Retrieving Magnum Client')
return Client(str(os_creds.magnum_api_version),
session=keystone_utils.keystone_session(os_creds))
def get_cluster_template(magnum, template_config=None, template_name=None):
"""
Returns the first ClusterTemplate domain object that matches the parameters
:param magnum: the Magnum client
:param template_config: a ClusterTemplateConfig object (optional)
:param template_name: the name of the template to lookup
:return: ClusterTemplate object or None
"""
name = None
if template_config:
name = template_config.name
elif template_name:
name = template_name
os_templates = magnum.cluster_templates.list()
for os_template in os_templates:
if os_template.name == name:
return __map_os_cluster_template(os_template)
def get_cluster_template_by_id(magnum, tmplt_id):
"""
Returns the first ClusterTemplate domain object that matches the parameters
:param magnum: the Magnum client
:param tmplt_id: the template's ID
:return: ClusterTemplate object or None
"""
return __map_os_cluster_template(magnum.cluster_templates.get(tmplt_id))
def create_cluster_template(magnum, cluster_template_config):
"""
Creates a Magnum Cluster Template object in OpenStack
:param magnum: the Magnum client
:param cluster_template_config: a ClusterTemplateConfig object
:return: a SNAPS ClusterTemplate domain object
"""
config_dict = cluster_template_config.magnum_dict()
os_cluster_template = magnum.cluster_templates.create(**config_dict)
logger.info('Creating cluster template named [%s]',
cluster_template_config.name)
return __map_os_cluster_template(os_cluster_template)
def delete_cluster_template(magnum, tmplt_id):
"""
Deletes a Cluster Template from OpenStack
:param magnum: the Magnum client
:param tmplt_id: the cluster template ID to delete
"""
logger.info('Deleting cluster template with ID [%s]', tmplt_id)
magnum.cluster_templates.delete(tmplt_id)
def __map_os_cluster_template(os_tmplt):
"""
Returns a SNAPS ClusterTemplate object from an OpenStack ClusterTemplate
object
:param os_tmplt: the OpenStack ClusterTemplate object
:return: SNAPS ClusterTemplate object
"""
return ClusterTemplate(
id=os_tmplt.uuid,
name=os_tmplt.name,
image=os_tmplt.image_id,
keypair=os_tmplt.keypair_id,
network_driver=os_tmplt.network_driver,
external_net=os_tmplt.external_network_id,
floating_ip_enabled=os_tmplt.floating_ip_enabled,
docker_volume_size=os_tmplt.docker_volume_size,
server_type=os_tmplt.server_type,
flavor=os_tmplt.flavor_id,
master_flavor=os_tmplt.master_flavor_id,
coe=os_tmplt.coe,
fixed_net=os_tmplt.fixed_network,
fixed_subnet=os_tmplt.fixed_subnet,
registry_enabled=os_tmplt.registry_enabled,
insecure_registry=os_tmplt.insecure_registry,
docker_storage_driver=os_tmplt.docker_storage_driver,
dns_nameserver=os_tmplt.dns_nameserver,
public=os_tmplt.public,
tls_disabled=os_tmplt.tls_disabled,
http_proxy=os_tmplt.http_proxy,
https_proxy=os_tmplt.https_proxy,
no_proxy=os_tmplt.no_proxy,
volume_driver=os_tmplt.volume_driver,
master_lb_enabled=os_tmplt.master_lb_enabled,
labels=os_tmplt.labels
)
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