116 lines
3.6 KiB
Python
Executable File
116 lines
3.6 KiB
Python
Executable File
#!/usr/bin/env python
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# object_api.py - Example object-store API usage
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Object Store API Examples
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This script shows the basic use of the low-level Object Store API
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"""
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import argparse
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import logging
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import sys
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import common
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from os_client_config import config as cloud_config
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from openstackclient.api import object_store_v1 as object_store
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from openstackclient.identity import client as identity_client
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LOG = logging.getLogger('')
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def run(opts):
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"""Run the examples"""
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# Look for configuration file
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# To support token-flow we have no required values
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# print "options: %s" % self.options
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cloud = cloud_config.OpenStackConfig().get_one_cloud(
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cloud=opts.cloud,
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argparse=opts,
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)
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LOG.debug("cloud cfg: %s", cloud.config)
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# Set up certificate verification and CA bundle
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# NOTE(dtroyer): This converts from the usual OpenStack way to the single
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# requests argument and is an app-specific thing because
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# we want to be like OpenStackClient.
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if opts.cacert:
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verify = opts.cacert
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else:
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verify = not opts.insecure
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# get a session
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# common.make_session() does all the ugly work of mapping
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# CLI options/env vars to the required plugin arguments.
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# The returned session will have a configured auth object
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# based on the selected plugin's available options.
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# So to do...oh, just go to api.auth.py and look at what it does.
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session = common.make_session(cloud, verify=verify)
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# Extract an endpoint
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auth_ref = session.auth.get_auth_ref(session)
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if opts.url:
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endpoint = opts.url
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else:
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endpoint = auth_ref.service_catalog.url_for(
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service_type='object-store',
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endpoint_type='public',
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)
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# At this point we have a working session with a configured authentication
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# plugin. From here on it is the app making the decisions. Need to
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# talk to two clouds? Go back and make another session but with opts
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# set to different credentials. Or use a config file and load it
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# directly into the plugin. This example doesn't show that (yet).
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# Want to work ahead? Look into the plugin load_from_*() methods
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# (start in keystoneclient/auth/base.py).
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# This example is for the Object Store API so make one
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obj_api = object_store.APIv1(
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session=session,
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service_type='object-store',
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endpoint=endpoint,
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)
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# Do useful things with it
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c_list = obj_api.container_list()
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print("Name\tCount\tBytes")
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for c in c_list:
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print("%s\t%d\t%d" % (c['name'], c['count'], c['bytes']))
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if len(c_list) > 0:
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# See what is in the first container
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o_list = obj_api.object_list(c_list[0]['name'])
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print("\nObject")
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for o in o_list:
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print("%s" % o)
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if __name__ == "__main__":
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opts = common.base_parser(
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identity_client.build_option_parser(
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argparse.ArgumentParser(description='Object API Example')
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)
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).parse_args()
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common.configure_logging(opts)
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sys.exit(common.main(opts, run))
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