416 lines
16 KiB
Python
416 lines
16 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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from oslo_utils import timeutils
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import pecan
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import wsme
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from wsme import types as wtypes
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from magnum.api import attr_validator
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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 import expose
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from magnum.api import utils as api_utils
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from magnum.api import validation
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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 name_generator
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from magnum.common import policy
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from magnum import objects
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from magnum.objects import fields
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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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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 = wtypes.Enum(str, *fields.BayType.ALL, 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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fixed_subnet = wtypes.StringType(min_length=1, max_length=255)
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"""The fixed subnet name to attach the Bay"""
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network_driver = wtypes.StringType(min_length=1, max_length=255)
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"""The name of the driver used for instantiating container networks"""
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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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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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http_proxy = wtypes.StringType(min_length=1, max_length=255)
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"""Address of a proxy that will receive all HTTP requests and relay them.
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The format is a URL including a port number.
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"""
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https_proxy = wtypes.StringType(min_length=1, max_length=255)
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"""Address of a proxy that will receive all HTTPS requests and relay them.
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The format is a URL including a port number.
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"""
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no_proxy = wtypes.StringType(min_length=1, max_length=255)
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"""A comma separated list of ips for which proxies should not
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used in the bay
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"""
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volume_driver = wtypes.StringType(min_length=1, max_length=255)
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"""The name of the driver used for instantiating container volume driver"""
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registry_enabled = wsme.wsattr(types.boolean, default=False)
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"""Indicates whether the docker registry is enabled"""
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labels = wtypes.DictType(str, str)
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"""One or more key/value pairs"""
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tls_disabled = wsme.wsattr(types.boolean, default=False)
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"""Indicates whether the TLS should be disabled"""
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public = wsme.wsattr(types.boolean, default=False)
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"""Indicates whether the baymodel is public or not."""
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server_type = wsme.wsattr(wtypes.StringType(min_length=1,
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max_length=255),
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default='vm')
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"""Server type for this bay model """
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insecure_registry = wtypes.StringType(min_length=1, max_length=255)
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"""insecure registry url when create baymodel """
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docker_storage_driver = wtypes.Enum(str, *fields.DockerStorageDriver.ALL)
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"""Docker storage driver"""
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master_lb_enabled = wsme.wsattr(types.boolean, default=False)
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"""Indicates whether created bays should have a load balancer for master
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nodes or not.
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"""
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floating_ip_enabled = wsme.wsattr(types.boolean, default=True)
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"""Indicates whether created bays should have a floating ip or not."""
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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):
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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):
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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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@classmethod
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def sample(cls):
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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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fixed_subnet='private-subnet',
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network_driver='libnetwork',
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volume_driver='cinder',
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apiserver_port=8080,
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docker_volume_size=25,
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docker_storage_driver='devicemapper',
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cluster_distro='fedora-atomic',
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coe=fields.BayType.KUBERNETES,
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http_proxy='http://proxy.com:123',
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https_proxy='https://proxy.com:123',
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no_proxy='192.168.0.1,192.168.0.2,192.168.0.3',
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labels={'key1': 'val1', 'key2': 'val2'},
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server_type='vm',
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insecure_registry='10.238.100.100:5000',
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created_at=timeutils.utcnow(),
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updated_at=timeutils.utcnow(),
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public=False,
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master_lb_enabled=False,
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floating_ip_enabled=True,
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)
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return cls._convert_with_links(sample, 'http://localhost:9511')
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class BayModelPatchType(types.JsonPatchType):
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_api_base = BayModel
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_extra_non_removable_attrs = {'/network_driver', '/external_network_id',
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'/tls_disabled', '/public', '/server_type',
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'/coe', '/registry_enabled',
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'/cluster_distro'}
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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, **kwargs):
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collection = BayModelCollection()
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collection.baymodels = [BayModel.convert_with_links(p)
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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()]
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return sample
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class BayModelsController(base.Controller):
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"""REST controller for BayModels."""
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_custom_actions = {
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'detail': ['GET'],
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}
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def _generate_name_for_baymodel(self, context):
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'''Generate a random name like: zeta-22-model.'''
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name_gen = name_generator.NameGenerator()
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name = name_gen.generate()
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return name + '-model'
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def _get_baymodels_collection(self, marker, limit,
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sort_key, sort_dir, 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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sort_key=sort_key,
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sort_dir=sort_dir)
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@expose.expose(BayModelCollection, types.uuid, int, wtypes.text,
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wtypes.text)
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def get_all(self, marker=None, limit=None, sort_key='id',
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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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context = pecan.request.context
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policy.enforce(context, 'baymodel:get_all',
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action='baymodel:get_all')
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return self._get_baymodels_collection(marker, limit, sort_key,
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sort_dir)
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@expose.expose(BayModelCollection, types.uuid, int, wtypes.text,
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wtypes.text)
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def detail(self, marker=None, limit=None, sort_key='id',
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sort_dir='asc'):
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"""Retrieve a list of baymodels with detail.
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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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context = pecan.request.context
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policy.enforce(context, 'baymodel:detail',
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action='baymodel:detail')
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# NOTE(lucasagomes): /detail should only work against 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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resource_url = '/'.join(['baymodels', 'detail'])
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return self._get_baymodels_collection(marker, limit,
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sort_key, sort_dir, resource_url)
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@expose.expose(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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context = pecan.request.context
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baymodel = api_utils.get_resource('BayModel', baymodel_ident)
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if not baymodel.public:
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policy.enforce(context, 'baymodel:get', baymodel,
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action='baymodel:get')
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return BayModel.convert_with_links(baymodel)
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@expose.expose(BayModel, body=BayModel, status_code=201)
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@validation.enforce_network_driver_types_create()
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@validation.enforce_volume_driver_types_create()
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@validation.enforce_volume_storage_size_create()
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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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context = pecan.request.context
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policy.enforce(context, 'baymodel:create',
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action='baymodel:create')
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baymodel_dict = baymodel.as_dict()
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cli = clients.OpenStackClients(context)
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attr_validator.validate_os_resources(context, baymodel_dict)
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image_data = attr_validator.validate_image(cli,
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baymodel_dict['image_id'])
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baymodel_dict['cluster_distro'] = image_data['os_distro']
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baymodel_dict['project_id'] = context.project_id
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baymodel_dict['user_id'] = context.user_id
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# check permissions for making baymodel public
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if baymodel_dict['public']:
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if not policy.enforce(context, "baymodel:publish", None,
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do_raise=False):
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raise exception.ClusterTemplatePublishDenied()
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# NOTE(yuywz): We will generate a random human-readable name for
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# baymodel if the name is not spcified by user.
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arg_name = baymodel_dict.get('name')
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name = arg_name or self._generate_name_for_baymodel(context)
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baymodel_dict['name'] = name
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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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@wsme.validate(types.uuid_or_name, [BayModelPatchType])
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@expose.expose(BayModel, types.uuid_or_name, body=[BayModelPatchType])
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@validation.enforce_network_driver_types_update()
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@validation.enforce_volume_driver_types_update()
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def patch(self, baymodel_ident, patch):
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"""Update an existing baymodel.
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:param baymodel_ident: UUID or logic name 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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context = pecan.request.context
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baymodel = api_utils.get_resource('BayModel', baymodel_ident)
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policy.enforce(context, 'baymodel:update', baymodel,
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action='baymodel:update')
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try:
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baymodel_dict = baymodel.as_dict()
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new_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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new_baymodel_dict = new_baymodel.as_dict()
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attr_validator.validate_os_resources(context, new_baymodel_dict)
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# check permissions when updating baymodel public flag
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if baymodel.public != new_baymodel.public:
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if not policy.enforce(context, "baymodel:publish", None,
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do_raise=False):
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raise exception.ClusterTemplatePublishDenied()
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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(new_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 baymodel[field] != patch_val:
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baymodel[field] = patch_val
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baymodel.save()
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return BayModel.convert_with_links(baymodel)
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@expose.expose(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_ident: UUID or logical name of a baymodel.
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"""
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context = pecan.request.context
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baymodel = api_utils.get_resource('BayModel', baymodel_ident)
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policy.enforce(context, 'baymodel:delete', baymodel,
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action='baymodel:delete')
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baymodel.destroy()
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