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#
# Copyright (c) 2016 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.
#
# This utility makes it easy to create OpenStack objects
import logging
from snaps.openstack.create_project import OpenStackProject
from snaps.openstack.create_user import OpenStackUser
from snaps.openstack.create_image import OpenStackImage
from snaps.openstack.create_network import OpenStackNetwork
from snaps.openstack.create_router import OpenStackRouter
from snaps.openstack.create_keypairs import OpenStackKeypair
from snaps.openstack.create_instance import OpenStackVmInstance
from snaps.openstack.create_security_group import OpenStackSecurityGroup
logger = logging.getLogger('deploy_utils')
def create_image(os_creds, image_settings, cleanup=False):
"""
Creates an image in OpenStack if necessary
:param os_creds: The OpenStack credentials object
:param image_settings: The image settings object
:param cleanup: Denotes whether or not this is being called for cleanup
:return: A reference to the image creator object from which the image
object can be accessed
"""
image_creator = OpenStackImage(os_creds, image_settings)
if cleanup:
image_creator.initialize()
else:
image_creator.create()
return image_creator
def create_network(os_creds, network_settings, cleanup=False):
"""
Creates a network on which the CMTSs can attach
:param os_creds: The OpenStack credentials object
:param network_settings: The network settings object
:param cleanup: Denotes whether or not this is being called for cleanup
:return: A reference to the network creator objects for each network from
which network elements such as the subnet, router, interface
router, and network objects can be accessed.
"""
# Check for OS for network existence
# If exists return network instance data
# Else, create network and return instance data
logger.info('Attempting to create network with name - %s',
network_settings.name)
network_creator = OpenStackNetwork(os_creds, network_settings)
if cleanup:
network_creator.initialize()
else:
network_creator.create()
logger.info('Created network ')
return network_creator
def create_router(os_creds, router_settings, cleanup=False):
"""
Creates a network on which the CMTSs can attach
:param os_creds: The OpenStack credentials object
:param router_settings: The RouterSettings instance
:param cleanup: Denotes whether or not this is being called for cleanup
:return: A reference to the network creator objects for each network from
which network elements such as the subnet, router, interface
router, and network objects can be accessed.
"""
# Check for OS for network existence
# If exists return network instance data
# Else, create network and return instance data
logger.info('Attempting to create router with name - %s',
router_settings.name)
router_creator = OpenStackRouter(os_creds, router_settings)
if cleanup:
router_creator.initialize()
else:
router_creator.create()
logger.info('Created router ')
return router_creator
def create_keypair(os_creds, keypair_settings, cleanup=False):
"""
Creates a keypair that can be applied to an instance
:param os_creds: The OpenStack credentials object
:param keypair_settings: The KeypairSettings object
:param cleanup: Denotes whether or not this is being called for cleanup
:return: A reference to the keypair creator object
"""
keypair_creator = OpenStackKeypair(os_creds, keypair_settings)
if cleanup:
keypair_creator.initialize()
else:
keypair_creator.create()
return keypair_creator
def create_vm_instance(os_creds, instance_settings, image_settings,
keypair_creator=None, init_only=False):
"""
Creates a VM instance
:param os_creds: The OpenStack credentials
:param instance_settings: Instance of VmInstanceSettings
:param image_settings: The object containing image settings
:param keypair_creator: The object responsible for creating the keypair
associated with this VM instance. (optional)
:param init_only: Denotes whether or not this is being called for
initialization (T) or creation (F) (default False)
:return: A reference to the VM instance object
"""
kp_settings = None
if keypair_creator:
kp_settings = keypair_creator.keypair_settings
vm_creator = OpenStackVmInstance(os_creds, instance_settings,
image_settings, kp_settings)
if init_only:
vm_creator.initialize()
else:
vm_creator.create()
return vm_creator
def create_user(os_creds, user_settings):
"""
Creates an OpenStack user
:param os_creds: The OpenStack credentials
:param user_settings: The user configuration settings
:return: A reference to the user instance object
"""
user_creator = OpenStackUser(os_creds, user_settings)
user_creator.create()
return user_creator
def create_project(os_creds, project_settings):
"""
Creates an OpenStack user
:param os_creds: The OpenStack credentials
:param project_settings: The user project configuration settings
:return: A reference to the project instance object
"""
project_creator = OpenStackProject(os_creds, project_settings)
project_creator.create()
return project_creator
def create_security_group(os_creds, sec_grp_settings):
"""
Creates an OpenStack Security Group
:param os_creds: The OpenStack credentials
:param sec_grp_settings: The security group settings
:return: A reference to the project instance object
"""
sg_creator = OpenStackSecurityGroup(os_creds, sec_grp_settings)
sg_creator.create()
return sg_creator
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