128 lines
3.2 KiB
Python
128 lines
3.2 KiB
Python
# Copyright (c) 2013 Rackspace, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import abc
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import six
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import sys
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import traceback
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from oslo.config import cfg
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_LIMITS_OPTIONS = [
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cfg.IntOpt('default_services_paging', default=10,
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help='Default services pagination size')
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]
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_LIMITS_GROUP = 'limits:storage'
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@six.add_metaclass(abc.ABCMeta)
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class ProviderBase(object):
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"""Base class for CDN Provider extensions
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:param conf: Configuration containing options for this extension.
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:type conf: `oslo.config.ConfigOpts`
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"""
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def __init__(self, conf):
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self.conf = conf
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@six.add_metaclass(abc.ABCMeta)
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class CDNProviderBase(ProviderBase):
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"""Interface definition for CDN Provider Extensions.
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CDN Provider extensions are responsible for implementing the
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communication with the CDN Network and Edge nodes.
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Connection information and driver-specific options are
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loaded from the config file.
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:param conf: Configuration containing options for this extension.
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:type conf: `oslo.config.ConfigOpts`
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"""
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def __init__(self, conf):
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super(CDNProviderBase, self).__init__(conf)
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self.conf.register_opts(_LIMITS_OPTIONS, group=_LIMITS_GROUP)
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self.limits_conf = self.conf[_LIMITS_GROUP]
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@abc.abstractmethod
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def is_alive(self):
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"""Check whether the provider is ready."""
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raise NotImplementedError
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@abc.abstractproperty
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def service_controller(self):
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"""Returns the extension's hostname controller."""
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raise NotImplementedError
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@six.add_metaclass(abc.ABCMeta)
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class ServiceBase(object):
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"""This class is responsible for managing services.
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"""
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__metaclass__ = abc.ABCMeta
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@abc.abstractmethod
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def update(self, service_name, service_json):
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raise NotImplementedError
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@abc.abstractmethod
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def create(self, service_name, service_json):
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raise NotImplementedError
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@abc.abstractmethod
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def delete(self, service_name):
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raise NotImplementedError
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class ProviderResponse(object):
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def __init__(self, provider_type):
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self.provider = provider_type
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def failed(self, msg):
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ex_type, ex, tb = sys.exc_info()
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print "error: ", self.provider, msg, ex_type, ex
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traceback.print_tb(tb)
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return {
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self.provider: {
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"error": msg
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}
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}
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def created(self, domain):
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return {
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self.provider: {
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"domain": domain
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}
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}
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def updated(self, domain):
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return {
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self.provider: {
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"domain": domain
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}
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}
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def deleted(self, domain):
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return {
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self.provider: {
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"domain": domain
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}
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}
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