root / snf-cyclades-app / synnefo / cyclades_settings.py @ d2cfb7a1
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# Copyright 2013 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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# 1. Redistributions of source code must retain the above
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# copyright notice, this list of conditions and the following
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# disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials
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# provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and
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# documentation are those of the authors and should not be
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# interpreted as representing official policies, either expressed
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# or implied, of GRNET S.A.
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import logging |
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from django.conf import settings |
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from synnefo.lib import join_urls, parse_base_url |
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from synnefo.util.keypath import get_path, set_path, unpack |
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from synnefo.api.services import cyclades_services as vanilla_cyclades_services |
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from synnefo.lib.services import fill_endpoints |
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from astakosclient import AstakosClient |
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from copy import deepcopy |
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logger = logging.getLogger(__name__) |
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# --------------------------------------------------------------------
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# Process Cyclades settings
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BASE_URL = getattr(settings, 'CYCLADES_BASE_URL', |
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'https://compute.example.synnefo.org/compute/')
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BASE_HOST, BASE_PATH = parse_base_url(BASE_URL) |
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SERVICE_TOKEN = getattr(settings, 'CYCLADES_SERVICE_TOKEN', "") |
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CUSTOMIZE_SERVICES = getattr(settings, 'CYCLADES_CUSTOMIZE_SERVICES', ()) |
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cyclades_services = deepcopy(vanilla_cyclades_services) |
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fill_endpoints(cyclades_services, BASE_URL) |
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for path, value in CUSTOMIZE_SERVICES: |
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set_path(cyclades_services, unpack(path), value, createpath=True)
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COMPUTE_PREFIX = get_path(cyclades_services, ['cyclades_compute', 'prefix']) |
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NETWORK_PREFIX = get_path(cyclades_services, ['cyclades_network', 'prefix']) |
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VMAPI_PREFIX = get_path(cyclades_services, ['cyclades_vmapi', 'prefix']) |
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PLANKTON_PREFIX = get_path(cyclades_services, ['cyclades_plankton', 'prefix']) |
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HELPDESK_PREFIX = get_path(cyclades_services, ['cyclades_helpdesk', 'prefix']) |
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UI_PREFIX = get_path(cyclades_services, ['cyclades_ui', 'prefix']) |
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USERDATA_PREFIX = get_path(cyclades_services, ['cyclades_userdata', 'prefix']) |
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ADMIN_PREFIX = get_path(cyclades_services, ['cyclades_admin', 'prefix']) |
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VOLUME_PREFIX = get_path(cyclades_services, ['cyclades_volume', 'prefix']) |
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COMPUTE_ROOT_URL = join_urls(BASE_URL, COMPUTE_PREFIX) |
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# --------------------------------------------------------------------
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# Process Astakos settings
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ASTAKOS_AUTH_URL = getattr(
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settings, 'ASTAKOS_AUTH_URL',
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'https://accounts.example.synnefo.org/astakos/identity/v2.0')
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# --------------------------------------
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# Define a LazyAstakosUrl
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# This is used to define ASTAKOS_ACCOUNT_URL and
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# ASTAKOS_UI_URL and should never be used as is.
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class LazyAstakosUrl(object): |
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def __init__(self, endpoints_name): |
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self.endpoints_name = endpoints_name
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def __str__(self): |
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if not hasattr(self, 'str'): |
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try:
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astakos_client = \ |
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AstakosClient(SERVICE_TOKEN, ASTAKOS_AUTH_URL) |
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self.str = getattr(astakos_client, self.endpoints_name) |
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except Exception as excpt: |
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logger.exception( |
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"Could not retrieve endpoints from Astakos url %s: %s",
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ASTAKOS_AUTH_URL, excpt) |
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return "" |
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return self.str |
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# --------------------------------------
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# Define ASTAKOS_UI_URL and ASTAKOS_ACCOUNT_URL as LazyAstakosUrl
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# These are used to define the proxy paths.
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# These have to be resolved lazily (by the proxy function) so
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# they should not be used as is.
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ASTAKOS_ACCOUNT_URL = LazyAstakosUrl('account_url')
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ASTAKOS_UI_URL = LazyAstakosUrl('ui_url')
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# --------------------------------------
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# Define Astakos prefixes
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ASTAKOS_PROXY_PREFIX = getattr(settings, 'CYCLADES_PROXY_PREFIX', '_astakos') |
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ASTAKOS_AUTH_PREFIX = join_urls('/', ASTAKOS_PROXY_PREFIX, 'identity') |
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ASTAKOS_ACCOUNT_PREFIX = join_urls('/', ASTAKOS_PROXY_PREFIX, 'account') |
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ASTAKOS_UI_PREFIX = join_urls('/', ASTAKOS_PROXY_PREFIX, 'ui') |
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# --------------------------------------
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# Define Astakos proxy paths
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ASTAKOS_AUTH_PROXY_PATH = join_urls(BASE_PATH, ASTAKOS_AUTH_PREFIX) |
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ASTAKOS_ACCOUNT_PROXY_PATH = join_urls(BASE_PATH, ASTAKOS_ACCOUNT_PREFIX) |
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ASTAKOS_UI_PROXY_PATH = join_urls(BASE_PATH, ASTAKOS_UI_PREFIX) |