217 lines
8.7 KiB
Python
217 lines
8.7 KiB
Python
# All Rights Reserved.
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#
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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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Version 1 of the Magnum API
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NOTE: IN PROGRESS AND NOT FULLY IMPLEMENTED.
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"""
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from oslo_log import log as logging
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import pecan
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from wsme import types as wtypes
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from magnum.api.controllers import base as controllers_base
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from magnum.api.controllers import link
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from magnum.api.controllers.v1 import bay
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from magnum.api.controllers.v1 import baymodel
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from magnum.api.controllers.v1 import certificate
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from magnum.api.controllers.v1 import cluster
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from magnum.api.controllers.v1 import cluster_template
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from magnum.api.controllers.v1 import magnum_services
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from magnum.api.controllers import versions as ver
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from magnum.api import expose
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from magnum.api import http_error
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from magnum.i18n import _
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LOG = logging.getLogger(__name__)
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BASE_VERSION = 1
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MIN_VER_STR = '%s %s' % (ver.Version.service_string, ver.BASE_VER)
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MAX_VER_STR = '%s %s' % (ver.Version.service_string, ver.CURRENT_MAX_VER)
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MIN_VER = ver.Version({ver.Version.string: MIN_VER_STR},
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MIN_VER_STR, MAX_VER_STR)
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MAX_VER = ver.Version({ver.Version.string: MAX_VER_STR},
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MIN_VER_STR, MAX_VER_STR)
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class MediaType(controllers_base.APIBase):
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"""A media type representation."""
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base = wtypes.text
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type = wtypes.text
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def __init__(self, base, type):
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self.base = base
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self.type = type
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class V1(controllers_base.APIBase):
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"""The representation of the version 1 of the API."""
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id = wtypes.text
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"""The ID of the version, also acts as the release number"""
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media_types = [MediaType]
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"""An array of supcontainersed media types for this version"""
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links = [link.Link]
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"""Links that point to a specific URL for this version and documentation"""
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baymodels = [link.Link]
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"""Links to the baymodels resource"""
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bays = [link.Link]
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"""Links to the bays resource"""
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clustertemplates = [link.Link]
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"""Links to the clustertemplates resource"""
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clusters = [link.Link]
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"""Links to the clusters resource"""
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certificates = [link.Link]
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"""Links to the certificates resource"""
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mservices = [link.Link]
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"""Links to the magnum-services resource"""
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@staticmethod
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def convert():
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v1 = V1()
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v1.id = "v1"
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v1.links = [link.Link.make_link('self', pecan.request.host_url,
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'v1', '', bookmark=True),
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link.Link.make_link('describedby',
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'http://docs.openstack.org',
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'developer/magnum/dev',
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'api-spec-v1.html',
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bookmark=True, type='text/html')]
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v1.media_types = [MediaType('application/json',
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'application/vnd.openstack.magnum.v1+json')]
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v1.baymodels = [link.Link.make_link('self', pecan.request.host_url,
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'baymodels', ''),
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link.Link.make_link('bookmark',
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pecan.request.host_url,
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'baymodels', '',
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bookmark=True)]
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v1.bays = [link.Link.make_link('self', pecan.request.host_url,
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'bays', ''),
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link.Link.make_link('bookmark',
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pecan.request.host_url,
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'bays', '',
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bookmark=True)]
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v1.clustertemplates = [link.Link.make_link('self',
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pecan.request.host_url,
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'clustertemplates', ''),
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link.Link.make_link('bookmark',
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pecan.request.host_url,
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'clustertemplates', '',
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bookmark=True)]
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v1.clusters = [link.Link.make_link('self', pecan.request.host_url,
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'clusters', ''),
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link.Link.make_link('bookmark',
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pecan.request.host_url,
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'clusters', '',
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bookmark=True)]
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v1.certificates = [link.Link.make_link('self', pecan.request.host_url,
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'certificates', ''),
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link.Link.make_link('bookmark',
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pecan.request.host_url,
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'certificates', '',
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bookmark=True)]
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v1.mservices = [link.Link.make_link('self', pecan.request.host_url,
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'mservices', ''),
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link.Link.make_link('bookmark',
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pecan.request.host_url,
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'mservices', '',
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bookmark=True)]
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return v1
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class Controller(controllers_base.Controller):
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"""Version 1 API controller root."""
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bays = bay.BaysController()
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baymodels = baymodel.BayModelsController()
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clusters = cluster.ClustersController()
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clustertemplates = cluster_template.ClusterTemplatesController()
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certificates = certificate.CertificateController()
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mservices = magnum_services.MagnumServiceController()
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@expose.expose(V1)
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def get(self):
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# NOTE: The reason why convert() it's being called for every
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# request is because we need to get the host url from
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# the request object to make the links.
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return V1.convert()
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def _check_version(self, version, headers=None):
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if headers is None:
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headers = {}
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# ensure that major version in the URL matches the header
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if version.major != BASE_VERSION:
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raise http_error.HTTPNotAcceptableAPIVersion(_(
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"Mutually exclusive versions requested. Version %(ver)s "
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"requested but not supported by this service."
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"The supported version range is: "
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"[%(min)s, %(max)s].") % {'ver': version,
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'min': MIN_VER_STR,
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'max': MAX_VER_STR},
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headers=headers,
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max_version=str(MAX_VER),
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min_version=str(MIN_VER))
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# ensure the minor version is within the supported range
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if version < MIN_VER or version > MAX_VER:
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raise http_error.HTTPNotAcceptableAPIVersion(_(
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"Version %(ver)s was requested but the minor version is not "
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"supported by this service. The supported version range is: "
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"[%(min)s, %(max)s].") % {'ver': version, 'min': MIN_VER_STR,
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'max': MAX_VER_STR},
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headers=headers,
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max_version=str(MAX_VER),
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min_version=str(MIN_VER))
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@pecan.expose()
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def _route(self, args):
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version = ver.Version(
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pecan.request.headers, MIN_VER_STR, MAX_VER_STR)
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# Always set the basic version headers
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pecan.response.headers[ver.Version.min_string] = MIN_VER_STR
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pecan.response.headers[ver.Version.max_string] = MAX_VER_STR
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pecan.response.headers[ver.Version.string] = " ".join(
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[ver.Version.service_string, str(version)])
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pecan.response.headers["vary"] = ver.Version.string
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# assert that requested version is supported
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self._check_version(version, pecan.response.headers)
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pecan.request.version = version
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if pecan.request.body:
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msg = ("Processing request: url: %(url)s, %(method)s, "
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"body: %(body)s" %
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{'url': pecan.request.url,
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'method': pecan.request.method,
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'body': pecan.request.body})
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LOG.debug(msg)
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return super(Controller, self)._route(args)
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__all__ = (Controller)
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