72 lines
2.5 KiB
Python
72 lines
2.5 KiB
Python
"""
|
|
This file defines wrapper to connect OpenStack cloud
|
|
assume that we use DevStack for configuration file
|
|
|
|
by jmlim@os.korea.ac.kr
|
|
"""
|
|
|
|
import argparse
|
|
import os
|
|
import sys
|
|
|
|
import openstack
|
|
from openstack import utils
|
|
from openstack.config import loader
|
|
|
|
utils.enable_logging(True, stream=sys.stdout)
|
|
|
|
#: Defines the OpenStack Config loud 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.
|
|
STELLA_CLOUD = os.getenv('OS_CLOUD', 'Stella')
|
|
config = loader.OpenStackConfig()
|
|
CLOUD = openstack.connect(cloud=STELLA_CLOUD)
|
|
|
|
|
|
class Opts(object):
|
|
def __init__(self, cloud_name='Stella-DevStack', debug=False):
|
|
# This function is for init OpenStack connection
|
|
# I use DevStack and the configureation file is automaticly generated in /etc/openstack/clouds.yaml
|
|
self.cloud = cloud_name
|
|
self.debug = debug
|
|
# use identity v3 API
|
|
self.identity_api_version = '3'
|
|
|
|
def _get_resource_value(resource_key, default):
|
|
return config.get_extra_config('example').get(resource_key, default)
|
|
|
|
SERVER_NAME = 'openstacksdk-example'
|
|
IMAGE_NAME = _get_resource_value('image_name', 'cirros-0.3.5-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=STELLA_CLOUD)
|
|
|
|
def create_connection_from_args():
|
|
parser = argparse.ArgumentParser()
|
|
config = loader.OpenStackConfig()
|
|
config.register_argparse_arguments(parser, sys.argv[1:])
|
|
args = parser.parse_args()
|
|
return openstack.connect(config=config.get_one(argparse=args))
|
|
|
|
def create_connection(auth_url, region, project_name, username, password):
|
|
return openstack.connect(
|
|
auth_url=auth_url,
|
|
project_name=project_name,
|
|
username=username,
|
|
password=password,
|
|
region_name=region,
|
|
app_name='Stella-OpenStack',
|
|
app_version='0.1',
|
|
)
|