openstacksdk/examples/connect.py
2020-05-13 11:35:51 +00:00

88 lines
2.9 KiB
Python

# 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.
"""
Connect to an OpenStack cloud.
For a full guide see
https://docs.openstack.org/openstacksdk/latest/user/guides/connect_from_config.html
"""
import argparse
import os
import sys
import openstack
from openstack.config import loader
openstack.enable_logging(True, stream=sys.stdout)
#: Defines the OpenStack Config cloud key in your config file,
#: typically in $HOME/.config/openstack/clouds.yaml. That configuration
#: will determine where the examples will be run and what resource defaults
#: will be used to run the examples.
TEST_CLOUD = os.getenv('OS_TEST_CLOUD', 'devstack-admin')
EXAMPLE_CONFIG_KEY = os.getenv('OPENSTACKSDK_EXAMPLE_CONFIG_KEY', 'example')
config = loader.OpenStackConfig()
cloud = openstack.connect(cloud=TEST_CLOUD)
class Opts:
def __init__(self, cloud_name='devstack-admin', debug=False):
self.cloud = cloud_name
self.debug = debug
# Use identity v3 API for examples.
self.identity_api_version = '3'
def _get_resource_value(resource_key, default):
return config.get_extra_config(
EXAMPLE_CONFIG_KEY).get(resource_key, default)
SERVER_NAME = 'openstacksdk-example'
IMAGE_NAME = _get_resource_value('image_name', 'cirros-0.4.0-x86_64-disk')
FLAVOR_NAME = _get_resource_value('flavor_name', 'm1.small')
NETWORK_NAME = _get_resource_value('network_name', 'private')
KEYPAIR_NAME = _get_resource_value('keypair_name', 'openstacksdk-example')
SSH_DIR = _get_resource_value(
'ssh_dir', '{home}/.ssh'.format(home=os.path.expanduser("~")))
PRIVATE_KEYPAIR_FILE = _get_resource_value(
'private_keypair_file', '{ssh_dir}/id_rsa.{key}'.format(
ssh_dir=SSH_DIR, key=KEYPAIR_NAME))
EXAMPLE_IMAGE_NAME = 'openstacksdk-example-public-image'
def create_connection_from_config():
return openstack.connect(cloud=TEST_CLOUD)
def create_connection_from_args():
parser = argparse.ArgumentParser()
return openstack.connect(options=parser)
def create_connection(auth_url, region, project_name, username, password,
user_domain, project_domain):
return openstack.connect(
auth_url=auth_url,
project_name=project_name,
username=username,
password=password,
region_name=region,
user_domain_name=user_domain,
project_domain_name=project_domain,
app_name='examples',
app_version='1.0',
)