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#!/usr/bin/env python

# osc-lib.py - Example using OSC as a library

# 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.

"""

OpenStackClient Library Examples

This script shows the basic use of the OpenStackClient ClientManager

as a library.

"""

import argparse

import logging

import sys

import common

from os_client_config import config as cloud_config

from openstackclient.common import clientmanager

LOG = logging.getLogger('')

def run(opts):

"""Run the examples"""

# Do configuration file handling

cc = cloud_config.OpenStackConfig()

LOG.debug("defaults: %s", cc.defaults)

cloud = cc.get_one_cloud(

cloud=opts.cloud,

argparse=opts,

)

LOG.debug("cloud cfg: %s", cloud.config)

# Loop through extensions to get API versions

# Currently API versions are statically selected. Once discovery

# is working this can go away...

api_version = {}

for mod in clientmanager.PLUGIN_MODULES:

version_opt = getattr(opts, mod.API_VERSION_OPTION, None)

if version_opt:

api = mod.API_NAME

api_version[api] = version_opt

# Set up certificate verification and CA bundle

# NOTE(dtroyer): This converts from the usual OpenStack way to the single

# requests argument and is an app-specific thing because

# we want to be like OpenStackClient.

if opts.cacert:

verify = opts.cacert

else:

verify = not opts.insecure

# Get a ClientManager

# Collect the auth and config options together and give them to

# ClientManager and it will wrangle all of the goons into place.

client_manager = clientmanager.ClientManager(

cli_options=cloud,

verify=verify,

api_version=api_version,

)

# At this point we have a working client manager with a configured

# session and authentication plugin. From here on it is the app

# making the decisions. Need to talk to two clouds? Make another

# client manager with different opts. Or use a config file and load it

# directly into the plugin. This example doesn't show that (yet).

# Do useful things with it

# Look in the object store

c_list = client_manager.object_store.container_list()

print("Name\tCount\tBytes")

for c in c_list:

print("%s\t%d\t%d" % (c['name'], c['count'], c['bytes']))

if len(c_list) > 0:

# See what is in the first container

o_list = client_manager.object_store.object_list(c_list[0]['name'])

print("\nObject")

for o in o_list:

print("%s" % o)

# Look at the compute flavors

flavor_list = client_manager.compute.flavors.list()

print("\nFlavors:")

for f in flavor_list:

print("%s" % f)

if __name__ == "__main__":

parser = argparse.ArgumentParser(description='ClientManager Example')

opts = common.base_parser(

clientmanager.build_plugin_option_parser(parser),

).parse_args()

common.configure_logging(opts)

sys.exit(common.main(opts, run))