/usr/share/pyshared/glance/registry/__init__.py is in python-glance 2012.1.3+stable~20120821-120fcf-0ubuntu1.5.
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# Copyright 2010-2011 OpenStack, LLC
# 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.
"""
Registry API
"""
import logging
import os
from glance.common import cfg
from glance.common import exception
from glance.registry import client
logger = logging.getLogger('glance.registry')
_CLIENT_CREDS = None
_CLIENT_HOST = None
_CLIENT_PORT = None
_CLIENT_KWARGS = {}
# AES key used to encrypt 'location' metadata
_METADATA_ENCRYPTION_KEY = None
registry_addr_opts = [
cfg.StrOpt('registry_host', default='0.0.0.0'),
cfg.IntOpt('registry_port', default=9191),
]
registry_client_opts = [
cfg.StrOpt('registry_client_protocol', default='http'),
cfg.StrOpt('registry_client_key_file'),
cfg.StrOpt('registry_client_cert_file'),
cfg.StrOpt('registry_client_ca_file'),
cfg.StrOpt('metadata_encryption_key'),
]
registry_client_ctx_opts = [
cfg.StrOpt('admin_user'),
cfg.StrOpt('admin_password'),
cfg.StrOpt('admin_tenant_name'),
cfg.StrOpt('auth_url'),
cfg.StrOpt('auth_strategy', default='noauth'),
cfg.StrOpt('auth_region'),
]
def get_registry_addr(conf):
conf.register_opts(registry_addr_opts)
return (conf.registry_host, conf.registry_port)
def configure_registry_client(conf):
"""
Sets up a registry client for use in registry lookups
:param conf: Configuration options coming from controller
"""
global _CLIENT_KWARGS, _CLIENT_HOST, _CLIENT_PORT, _METADATA_ENCRYPTION_KEY
try:
host, port = get_registry_addr(conf)
except cfg.ConfigFileValueError:
msg = _("Configuration option was not valid")
logger.error(msg)
raise exception.BadRegistryConnectionConfiguration(msg)
except IndexError:
msg = _("Could not find required configuration option")
logger.error(msg)
raise exception.BadRegistryConnectionConfiguration(msg)
conf.register_opts(registry_client_opts)
_CLIENT_HOST = host
_CLIENT_PORT = port
_METADATA_ENCRYPTION_KEY = conf.metadata_encryption_key
_CLIENT_KWARGS = {
'use_ssl': conf.registry_client_protocol.lower() == 'https',
'key_file': conf.registry_client_key_file,
'cert_file': conf.registry_client_cert_file,
'ca_file': conf.registry_client_ca_file
}
def configure_registry_admin_creds(conf):
global _CLIENT_CREDS
conf.register_opts(registry_client_ctx_opts)
if conf.auth_url or os.getenv('OS_AUTH_URL'):
strategy = 'keystone'
else:
strategy = conf.auth_strategy
_CLIENT_CREDS = {
'user': conf.admin_user,
'password': conf.admin_password,
'username': conf.admin_user,
'tenant': conf.admin_tenant_name,
'auth_url': conf.auth_url,
'strategy': strategy,
'region': conf.auth_region,
}
def get_registry_client(cxt):
global _CLIENT_CREDS, _CLIENT_KWARGS, _CLIENT_HOST, _CLIENT_PORT
global _METADATA_ENCRYPTION_KEY
kwargs = _CLIENT_KWARGS.copy()
kwargs['auth_tok'] = cxt.auth_tok
if _CLIENT_CREDS:
kwargs['creds'] = _CLIENT_CREDS
return client.RegistryClient(_CLIENT_HOST, _CLIENT_PORT,
_METADATA_ENCRYPTION_KEY, **kwargs)
def get_images_list(context, **kwargs):
c = get_registry_client(context)
return c.get_images(**kwargs)
def get_images_detail(context, **kwargs):
c = get_registry_client(context)
return c.get_images_detailed(**kwargs)
def get_image_metadata(context, image_id):
c = get_registry_client(context)
return c.get_image(image_id)
def add_image_metadata(context, image_meta):
logger.debug(_("Adding image metadata..."))
c = get_registry_client(context)
return c.add_image(image_meta)
def update_image_metadata(context, image_id, image_meta,
purge_props=False):
logger.debug(_("Updating image metadata for image %s..."), image_id)
c = get_registry_client(context)
return c.update_image(image_id, image_meta, purge_props)
def delete_image_metadata(context, image_id):
logger.debug(_("Deleting image metadata for image %s..."), image_id)
c = get_registry_client(context)
return c.delete_image(image_id)
def get_image_members(context, image_id):
c = get_registry_client(context)
return c.get_image_members(image_id)
def get_member_images(context, member_id):
c = get_registry_client(context)
return c.get_member_images(member_id)
def replace_members(context, image_id, member_data):
c = get_registry_client(context)
return c.replace_members(image_id, member_data)
def add_member(context, image_id, member_id, can_share=None):
c = get_registry_client(context)
return c.add_member(image_id, member_id, can_share=can_share)
def delete_member(context, image_id, member_id):
c = get_registry_client(context)
return c.delete_member(image_id, member_id)
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