zun/zun/api/controllers/v1/__init__.py

229 lines
9.5 KiB
Python

# 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.
"""
Version 1 of the Zun API
NOTE: IN PROGRESS AND NOT FULLY IMPLEMENTED.
"""
from oslo_log import log as logging
import pecan
from zun.api.controllers import base as controllers_base
from zun.api.controllers import link
from zun.api.controllers.v1 import availability_zone as a_zone
from zun.api.controllers.v1 import capsules as capsule_controller
from zun.api.controllers.v1 import containers as container_controller
from zun.api.controllers.v1 import hosts as host_controller
from zun.api.controllers.v1 import images as image_controller
from zun.api.controllers.v1 import networks as network_controller
from zun.api.controllers.v1 import quota_classes as quota_classes_controller
from zun.api.controllers.v1 import quotas as quotas_controller
from zun.api.controllers.v1 import registries as registries_controller
from zun.api.controllers.v1 import zun_services
from zun.api.controllers import versions as ver
from zun.api import http_error
from zun.common.i18n import _
LOG = logging.getLogger(__name__)
BASE_VERSION = 1
MIN_VER_STR = '%s %s' % (ver.Version.service_string, ver.BASE_VER)
MAX_VER_STR = '%s %s' % (ver.Version.service_string, ver.CURRENT_MAX_VER)
MIN_VER = ver.Version({ver.Version.string: MIN_VER_STR},
MIN_VER_STR, MAX_VER_STR)
MAX_VER = ver.Version({ver.Version.string: MAX_VER_STR},
MIN_VER_STR, MAX_VER_STR)
class MediaType(controllers_base.APIBase):
"""A media type representation."""
fields = (
'base',
'type',
)
class V1(controllers_base.APIBase):
"""The representation of the version 1 of the API."""
fields = (
'id',
'media_types',
'links',
'services',
'containers',
'images',
'networks',
'hosts',
'capsules',
'availability_zones',
'quotas',
'quota_classes',
'registries',
)
@staticmethod
def convert():
v1 = V1()
v1.id = "v1"
v1.links = [link.make_link('self', pecan.request.host_url,
'v1', '', bookmark=True),
link.make_link('describedby',
'https://docs.openstack.org',
'developer/zun/dev',
'api-spec-v1.html',
bookmark=True, type='text/html')]
v1.media_types = [MediaType(
base='application/json',
type='application/vnd.openstack.zun.v1+json')]
v1.services = [link.make_link('self', pecan.request.host_url,
'services', ''),
link.make_link('bookmark',
pecan.request.host_url,
'services', '',
bookmark=True)]
v1.containers = [link.make_link('self', pecan.request.host_url,
'containers', ''),
link.make_link('bookmark',
pecan.request.host_url,
'containers', '',
bookmark=True)]
v1.images = [link.make_link('self', pecan.request.host_url,
'images', ''),
link.make_link('bookmark',
pecan.request.host_url,
'images', '',
bookmark=True)]
v1.networks = [link.make_link('self', pecan.request.host_url,
'networks', ''),
link.make_link('bookmark',
pecan.request.host_url,
'networks', '',
bookmark=True)]
v1.hosts = [link.make_link('self', pecan.request.host_url,
'hosts', ''),
link.make_link('bookmark',
pecan.request.host_url,
'hosts', '',
bookmark=True)]
v1.availability_zones = [link.make_link('self', pecan.request.host_url,
'availability_zones', ''),
link.make_link('bookmark',
pecan.request.host_url,
'availability_zones', '',
bookmark=True)]
v1.capsules = [link.make_link('self', pecan.request.host_url,
'capsules', ''),
link.make_link('bookmark',
pecan.request.host_url,
'capsules', '',
bookmark=True)]
v1.quotas = [link.make_link('self', pecan.request.host_url,
'quotas', ''),
link.make_link('bookmark',
pecan.request.host_url,
'quotas', '',
bookmark=True)]
v1.quota_classes = [link.make_link('self', pecan.request.host_url,
'quota_classes', ''),
link.make_link('bookmark',
pecan.request.host_url,
'quota_classes', '',
bookmark=True)]
v1.registries = [link.make_link('self', pecan.request.host_url,
'registries', ''),
link.make_link('bookmark', pecan.request.host_url,
'registries', '', bookmark=True)]
return v1
class Controller(controllers_base.Controller):
"""Version 1 API controller root."""
services = zun_services.ZunServiceController()
containers = container_controller.ContainersController()
images = image_controller.ImagesController()
networks = network_controller.NetworkController()
hosts = host_controller.HostController()
availability_zones = a_zone.AvailabilityZoneController()
capsules = capsule_controller.CapsuleController()
quotas = quotas_controller.QuotaController()
quota_classes = quota_classes_controller.QuotaClassController()
registries = registries_controller.RegistryController()
@pecan.expose('json')
def get(self):
return V1.convert()
def _check_version(self, version, headers=None):
if headers is None:
headers = {}
# ensure that major version in the URL matches the header
if version.major != BASE_VERSION:
raise http_error.HTTPNotAcceptableAPIVersion(_(
"Mutually exclusive versions requested. Version %(ver)s "
"requested but not supported by this service. "
"The supported version range is: "
"[%(min)s, %(max)s].") % {'ver': version,
'min': MIN_VER_STR,
'max': MAX_VER_STR},
headers=headers,
max_version=str(MAX_VER),
min_version=str(MIN_VER))
# ensure the minor version is within the supported range
if version < MIN_VER or version > MAX_VER:
raise http_error.HTTPNotAcceptableAPIVersion(_(
"Version %(ver)s was requested but the minor version is not "
"supported by this service. The supported version range is: "
"[%(min)s, %(max)s].") % {'ver': version, 'min': MIN_VER_STR,
'max': MAX_VER_STR},
headers=headers,
max_version=str(MAX_VER),
min_version=str(MIN_VER))
@pecan.expose()
def _route(self, args):
version = ver.Version(
pecan.request.headers, MIN_VER_STR, MAX_VER_STR)
# Always set the basic version headers
pecan.response.headers[ver.Version.min_string] = MIN_VER_STR
pecan.response.headers[ver.Version.max_string] = MAX_VER_STR
pecan.response.headers[ver.Version.string] = " ".join(
[ver.Version.service_string, str(version)])
pecan.response.headers["vary"] = ver.Version.string
# assert that requested version is supported
self._check_version(version, pecan.response.headers)
pecan.request.version = version
if pecan.request.body:
msg = ("Processing request: url: %(url)s, %(method)s, "
"body: %(body)s" %
{'url': pecan.request.url,
'method': pecan.request.method,
'body': pecan.request.body})
LOG.debug(msg)
return super(Controller, self)._route(args)
__all__ = ('Controller',)