356 lines
14 KiB
Python
356 lines
14 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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import datetime
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import glanceclient.exc
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import pecan
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from pecan import rest
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import wsme
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from wsme import types as wtypes
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import wsmeext.pecan as wsme_pecan
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from magnum.api.controllers import base
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from magnum.api.controllers import link
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from magnum.api.controllers.v1 import collection
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from magnum.api.controllers.v1 import types
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from magnum.api.controllers.v1 import utils as api_utils
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from magnum.common import clients
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from magnum.common import exception
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from magnum.common import policy
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from magnum import objects
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class BayModelPatchType(types.JsonPatchType):
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pass
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class BayModel(base.APIBase):
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"""API representation of a baymodel.
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This class enforces type checking and value constraints, and converts
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between the internal object model and the API representation of a baymodel.
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"""
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_coe = None
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def _get_coe(self):
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return self._coe
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def _set_coe(self, value):
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if value and self._coe != value:
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self._coe = value
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elif value == wtypes.Unset:
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self._coe = wtypes.Unset
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uuid = types.uuid
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"""Unique UUID for this baymodel"""
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name = wtypes.StringType(min_length=1, max_length=255)
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"""The name of the bay model"""
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coe = wsme.wsproperty(wtypes.text, _get_coe, _set_coe, mandatory=True)
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"""The Container Orchestration Engine for this bay model"""
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image_id = wsme.wsattr(wtypes.StringType(min_length=1, max_length=255),
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mandatory=True)
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"""The image name or UUID to use as a base image for this baymodel"""
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flavor_id = wtypes.StringType(min_length=1, max_length=255)
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"""The flavor of this bay model"""
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master_flavor_id = wtypes.StringType(min_length=1, max_length=255)
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"""The flavor of the master node for this bay model"""
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dns_nameserver = wtypes.IPv4AddressType()
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"""The DNS nameserver address"""
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keypair_id = wsme.wsattr(wtypes.StringType(min_length=1, max_length=255),
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mandatory=True)
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"""The name or id of the nova ssh keypair"""
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external_network_id = wtypes.StringType(min_length=1, max_length=255)
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"""The external network to attach the Bay"""
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fixed_network = wtypes.StringType(min_length=1, max_length=255)
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"""The fixed network name to attach the Bay"""
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apiserver_port = wtypes.IntegerType(minimum=1024, maximum=65535)
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"""The API server port for k8s"""
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docker_volume_size = wtypes.IntegerType(minimum=1)
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"""The size in GB of the docker volume"""
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ssh_authorized_key = wtypes.StringType(min_length=1)
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"""The SSH Authorized Key"""
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cluster_distro = wtypes.StringType(min_length=1, max_length=255)
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"""The Cluster distro for the bay, ex - coreos, fedora-atomic."""
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links = wsme.wsattr([link.Link], readonly=True)
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"""A list containing a self link and associated baymodel links"""
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def __init__(self, **kwargs):
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self.fields = []
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for field in objects.BayModel.fields:
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# Skip fields we do not expose.
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if not hasattr(self, field):
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continue
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self.fields.append(field)
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setattr(self, field, kwargs.get(field, wtypes.Unset))
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@staticmethod
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def _convert_with_links(baymodel, url, expand=True):
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if not expand:
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baymodel.unset_fields_except(['uuid', 'name', 'image_id',
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'apiserver_port', 'coe'])
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baymodel.links = [link.Link.make_link('self', url,
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'baymodels', baymodel.uuid),
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link.Link.make_link('bookmark', url,
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'baymodels', baymodel.uuid,
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bookmark=True)]
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return baymodel
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@classmethod
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def convert_with_links(cls, rpc_baymodel, expand=True):
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baymodel = BayModel(**rpc_baymodel.as_dict())
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return cls._convert_with_links(baymodel, pecan.request.host_url,
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expand)
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@classmethod
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def sample(cls, expand=True):
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sample = cls(
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uuid='27e3153e-d5bf-4b7e-b517-fb518e17f34c',
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name='example',
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image_id='Fedora-k8s',
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flavor_id='m1.small',
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master_flavor_id='m1.small',
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dns_nameserver='8.8.1.1',
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keypair_id='keypair1',
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external_network_id='ffc44e4a-2319-4062-bce0-9ae1c38b05ba',
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fixed_network='private',
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apiserver_port=8080,
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docker_volume_size=25,
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cluster_distro='fedora-atomic',
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ssh_authorized_key='ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAB',
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coe='kubernetes',
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created_at=datetime.datetime.utcnow(),
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updated_at=datetime.datetime.utcnow())
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return cls._convert_with_links(sample, 'http://localhost:9511', expand)
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class BayModelCollection(collection.Collection):
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"""API representation of a collection of baymodels."""
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baymodels = [BayModel]
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"""A list containing baymodels objects"""
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def __init__(self, **kwargs):
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self._type = 'baymodels'
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@staticmethod
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def convert_with_links(rpc_baymodels, limit, url=None, expand=False,
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**kwargs):
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collection = BayModelCollection()
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collection.baymodels = [BayModel.convert_with_links(p, expand)
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for p in rpc_baymodels]
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collection.next = collection.get_next(limit, url=url, **kwargs)
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return collection
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@classmethod
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def sample(cls):
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sample = cls()
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sample.baymodels = [BayModel.sample(expand=False)]
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return sample
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class BayModelsController(rest.RestController):
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"""REST controller for BayModels."""
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from_baymodels = False
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"""A flag to indicate if the requests to this controller are coming
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from the top-level resource BayModels."""
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_custom_actions = {
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'detail': ['GET'],
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}
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def _get_baymodels_collection(self, marker, limit,
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sort_key, sort_dir, expand=False,
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resource_url=None):
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limit = api_utils.validate_limit(limit)
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sort_dir = api_utils.validate_sort_dir(sort_dir)
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marker_obj = None
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if marker:
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marker_obj = objects.BayModel.get_by_uuid(pecan.request.context,
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marker)
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baymodels = objects.BayModel.list(pecan.request.context, limit,
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marker_obj, sort_key=sort_key,
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sort_dir=sort_dir)
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return BayModelCollection.convert_with_links(baymodels, limit,
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url=resource_url,
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expand=expand,
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sort_key=sort_key,
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sort_dir=sort_dir)
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def _get_image_data(self, context, image_ident):
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"""Retrieves os_distro and other metadata from the Glance image.
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:param image_ident: image id or name of baymodel.
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"""
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try:
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cli = clients.OpenStackClients(context)
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return api_utils.get_openstack_resource(cli.glance().images,
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image_ident, 'images')
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except glanceclient.exc.NotFound:
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raise exception.ImageNotFound(image_id=image_ident)
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except glanceclient.exc.HTTPForbidden:
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raise exception.ImageNotAuthorized(image_id=image_ident)
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@policy.enforce_wsgi("baymodel")
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@wsme_pecan.wsexpose(BayModelCollection, types.uuid,
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types.uuid, int, wtypes.text, wtypes.text)
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def get_all(self, baymodel_uuid=None, marker=None, limit=None,
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sort_key='id', sort_dir='asc'):
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"""Retrieve a list of baymodels.
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:param marker: pagination marker for large data sets.
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:param limit: maximum number of resources to return in a single result.
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:param sort_key: column to sort results by. Default: id.
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:param sort_dir: direction to sort. "asc" or "desc". Default: asc.
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"""
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return self._get_baymodels_collection(marker, limit, sort_key,
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sort_dir)
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@policy.enforce_wsgi("baymodel")
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@wsme_pecan.wsexpose(BayModelCollection, types.uuid,
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types.uuid, int, wtypes.text, wtypes.text)
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def detail(self, baymodel_uuid=None, marker=None, limit=None,
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sort_key='id', sort_dir='asc'):
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"""Retrieve a list of baymodels with detail.
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:param baymodel_uuid: UUID of a baymodel, to get only baymodels for
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that baymodel.
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:param marker: pagination marker for large data sets.
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:param limit: maximum number of resources to return in a single result.
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:param sort_key: column to sort results by. Default: id.
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:param sort_dir: direction to sort. "asc" or "desc". Default: asc.
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"""
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# NOTE(lucasagomes): /detail should only work agaist collections
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parent = pecan.request.path.split('/')[:-1][-1]
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if parent != "baymodels":
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raise exception.HTTPNotFound
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expand = True
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resource_url = '/'.join(['baymodels', 'detail'])
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return self._get_baymodels_collection(marker, limit,
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sort_key, sort_dir, expand,
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resource_url)
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@policy.enforce_wsgi("baymodel", "get")
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@wsme_pecan.wsexpose(BayModel, types.uuid_or_name)
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def get_one(self, baymodel_ident):
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"""Retrieve information about the given baymodel.
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:param baymodel_ident: UUID or logical name of a baymodel.
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"""
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if self.from_baymodels:
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raise exception.OperationNotPermitted
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rpc_baymodel = api_utils.get_rpc_resource('BayModel', baymodel_ident)
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return BayModel.convert_with_links(rpc_baymodel)
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@policy.enforce_wsgi("baymodel", "create")
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@wsme_pecan.wsexpose(BayModel, body=BayModel, status_code=201)
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def post(self, baymodel):
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"""Create a new baymodel.
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:param baymodel: a baymodel within the request body.
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"""
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if self.from_baymodels:
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raise exception.OperationNotPermitted
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baymodel_dict = baymodel.as_dict()
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context = pecan.request.context
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auth_token = context.auth_token_info['token']
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baymodel_dict['project_id'] = auth_token['project']['id']
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baymodel_dict['user_id'] = auth_token['user']['id']
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image_data = self._get_image_data(context, baymodel_dict['image_id'])
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if image_data.get('os_distro'):
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baymodel_dict['cluster_distro'] = image_data['os_distro']
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else:
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raise exception.OSDistroFieldNotFound(
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image_id=baymodel_dict['image_id'])
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new_baymodel = objects.BayModel(context, **baymodel_dict)
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new_baymodel.create()
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# Set the HTTP Location Header
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pecan.response.location = link.build_url('baymodels',
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new_baymodel.uuid)
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return BayModel.convert_with_links(new_baymodel)
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@policy.enforce_wsgi("baymodel", "update")
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@wsme.validate(types.uuid, [BayModelPatchType])
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@wsme_pecan.wsexpose(BayModel, types.uuid, body=[BayModelPatchType])
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def patch(self, baymodel_uuid, patch):
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"""Update an existing baymodel.
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:param baymodel_uuid: UUID of a baymodel.
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:param patch: a json PATCH document to apply to this baymodel.
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"""
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if self.from_baymodels:
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raise exception.OperationNotPermitted
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rpc_baymodel = objects.BayModel.get_by_uuid(pecan.request.context,
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baymodel_uuid)
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try:
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baymodel_dict = rpc_baymodel.as_dict()
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baymodel = BayModel(**api_utils.apply_jsonpatch(
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baymodel_dict,
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patch))
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except api_utils.JSONPATCH_EXCEPTIONS as e:
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raise exception.PatchError(patch=patch, reason=e)
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# Update only the fields that have changed
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for field in objects.BayModel.fields:
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try:
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patch_val = getattr(baymodel, field)
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except AttributeError:
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# Ignore fields that aren't exposed in the API
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continue
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if patch_val == wtypes.Unset:
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patch_val = None
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if rpc_baymodel[field] != patch_val:
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rpc_baymodel[field] = patch_val
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rpc_baymodel.save()
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return BayModel.convert_with_links(rpc_baymodel)
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@policy.enforce_wsgi("baymodel")
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@wsme_pecan.wsexpose(None, types.uuid_or_name, status_code=204)
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def delete(self, baymodel_ident):
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"""Delete a baymodel.
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:param baymodel_uuid: UUID or logical name of a baymodel.
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"""
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if self.from_baymodels:
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raise exception.OperationNotPermitted
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rpc_baymodel = api_utils.get_rpc_resource('BayModel', baymodel_ident)
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rpc_baymodel.destroy()
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