255 lines
10 KiB
Python
255 lines
10 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 pecan import rest
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from webob import exc
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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 container
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from magnum.api.controllers.v1 import magnum_services
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from magnum.api.controllers.v1 import pod
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from magnum.api.controllers.v1 import replicationcontroller as rc
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from magnum.api.controllers.v1 import service
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from magnum.api.controllers.v1 import x509keypair
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from magnum.api import expose
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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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# NOTE(yuntong): v1.0 is reserved to indicate Kilo's API, but is not presently
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# supported by the API service. All changes between Kilo and the
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# point where we added microversioning are considered backwards-
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# compatible, but are not specifically discoverable at this time.
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#
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# The v1.1 version indicates this "initial" version as being
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# different from Kilo (v1.0), and includes the following changes:
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#
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# v1.1: API at the point in time when microversioning support was added
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MIN_VER_STR = '1.1'
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# v1.1: Add API changelog here
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MAX_VER_STR = '1.1'
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MIN_VER = controllers_base.Version(
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{controllers_base.Version.string: MIN_VER_STR}, MIN_VER_STR, MAX_VER_STR)
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MAX_VER = controllers_base.Version(
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{controllers_base.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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pods = [link.Link]
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"""Links to the pods resource"""
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rcs = [link.Link]
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"""Links to the rcs resource"""
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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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containers = [link.Link]
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"""Links to the containers resource"""
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services = [link.Link]
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"""Links to the services resource"""
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x509keypairs = [link.Link]
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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.pods = [link.Link.make_link('self', pecan.request.host_url,
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'pods', ''),
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link.Link.make_link('bookmark',
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pecan.request.host_url,
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'pods', '',
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bookmark=True)]
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v1.rcs = [link.Link.make_link('self', pecan.request.host_url,
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'rcs', ''),
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link.Link.make_link('bookmark',
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pecan.request.host_url,
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'rcs', '',
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bookmark=True)]
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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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'bays', '',
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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.containers = [link.Link.make_link('self', pecan.request.host_url,
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'containers', ''),
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link.Link.make_link('bookmark',
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pecan.request.host_url,
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'containers', '',
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bookmark=True)]
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v1.services = [link.Link.make_link('self', pecan.request.host_url,
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'services', ''),
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link.Link.make_link('bookmark',
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pecan.request.host_url,
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'services', '',
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bookmark=True)]
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v1.x509keypairs = [link.Link.make_link('self', pecan.request.host_url,
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'x509keypairs', ''),
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link.Link.make_link('bookmark',
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pecan.request.host_url,
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'x509keypairs', '',
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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(rest.RestController):
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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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containers = container.ContainersController()
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pods = pod.PodsController()
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rcs = rc.ReplicationControllersController()
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services = service.ServicesController()
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x509keypairs = x509keypair.X509KeyPairController()
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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 exc.HTTPNotAcceptable(_(
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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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# 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 exc.HTTPNotAcceptable(_(
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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}, headers=headers)
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@pecan.expose()
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def _route(self, args):
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version = controllers_base.Version(
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pecan.request.headers, MIN_VER_STR, MAX_VER_STR)
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# Always set the min and max headers
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pecan.response.headers[
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controllers_base.Version.min_string] = MIN_VER_STR
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pecan.response.headers[
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controllers_base.Version.max_string] = MAX_VER_STR
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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.response.headers[controllers_base.Version.string] = str(version)
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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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