magnum/magnum/objects/cluster_template.py

242 lines
11 KiB
Python

# 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.
from oslo_utils import strutils
from oslo_utils import uuidutils
from oslo_versionedobjects import fields
from magnum.common import exception
from magnum.db import api as dbapi
from magnum.objects import base
from magnum.objects import fields as m_fields
@base.MagnumObjectRegistry.register
class ClusterTemplate(base.MagnumPersistentObject, base.MagnumObject,
base.MagnumObjectDictCompat):
# Version 1.0: Initial version
# Version 1.1: Add 'registry_enabled' field
# Version 1.2: Added 'network_driver' field
# Version 1.3: Added 'labels' attribute
# Version 1.4: Added 'insecure' attribute
# Version 1.5: Changed type of 'coe' from StringField to BayTypeField
# Version 1.6: Change 'insecure' to 'tls_disabled'
# Version 1.7: Added 'public' field
# Version 1.8: Added 'server_type' field
# Version 1.9: Added 'volume_driver' field
# Version 1.10: Removed 'ssh_authorized_key' field
# Version 1.11: Added 'insecure_registry' field
# Version 1.12: Added 'docker_storage_driver' field
# Version 1.13: Added 'master_lb_enabled' field
# Version 1.14: Added 'fixed_subnet' field
# Version 1.15: Added 'floating_ip_enabled' field
# Version 1.16: Renamed the class from "BayModel' to 'ClusterTemplate'
# Version 1.17: 'coe' field type change to ClusterTypeField
# Version 1.18: DockerStorageDriver is a StringField (was an Enum)
VERSION = '1.18'
dbapi = dbapi.get_instance()
fields = {
'id': fields.IntegerField(),
'uuid': fields.StringField(nullable=True),
'project_id': fields.StringField(nullable=True),
'user_id': fields.StringField(nullable=True),
'name': fields.StringField(nullable=True),
'image_id': fields.StringField(nullable=True),
'flavor_id': fields.StringField(nullable=True),
'master_flavor_id': fields.StringField(nullable=True),
'keypair_id': fields.StringField(nullable=True),
'dns_nameserver': fields.StringField(nullable=True),
'external_network_id': fields.StringField(nullable=True),
'fixed_network': fields.StringField(nullable=True),
'fixed_subnet': fields.StringField(nullable=True),
'network_driver': fields.StringField(nullable=True),
'volume_driver': fields.StringField(nullable=True),
'apiserver_port': fields.IntegerField(nullable=True),
'docker_volume_size': fields.IntegerField(nullable=True),
'docker_storage_driver': fields.StringField(nullable=True),
'cluster_distro': fields.StringField(nullable=True),
'coe': m_fields.ClusterTypeField(nullable=True),
'http_proxy': fields.StringField(nullable=True),
'https_proxy': fields.StringField(nullable=True),
'no_proxy': fields.StringField(nullable=True),
'registry_enabled': fields.BooleanField(default=False),
'labels': fields.DictOfStringsField(nullable=True),
'tls_disabled': fields.BooleanField(default=False),
'public': fields.BooleanField(default=False),
'server_type': fields.StringField(nullable=True),
'insecure_registry': fields.StringField(nullable=True),
'master_lb_enabled': fields.BooleanField(default=False),
'floating_ip_enabled': fields.BooleanField(default=True),
}
@staticmethod
def _from_db_object(cluster_template, db_cluster_template):
"""Converts a database entity to a formal object."""
for field in cluster_template.fields:
cluster_template[field] = db_cluster_template[field]
cluster_template.obj_reset_changes()
return cluster_template
@staticmethod
def _from_db_object_list(db_objects, cls, context):
"""Converts a list of database entities to a list of formal objects."""
return [ClusterTemplate._from_db_object(cls(context), obj) for obj in
db_objects]
@base.remotable_classmethod
def get(cls, context, cluster_template_id):
"""Find and return ClusterTemplate object based on its id or uuid.
:param cluster_template_id: the id *or* uuid of a ClusterTemplate.
:param context: Security context
:returns: a :class:`ClusterTemplate` object.
"""
if strutils.is_int_like(cluster_template_id):
return cls.get_by_id(context, cluster_template_id)
elif uuidutils.is_uuid_like(cluster_template_id):
return cls.get_by_uuid(context, cluster_template_id)
else:
raise exception.InvalidIdentity(identity=cluster_template_id)
@base.remotable_classmethod
def get_by_id(cls, context, cluster_template_id):
"""Find and return ClusterTemplate object based on its integer id.
:param cluster_template_id: the id of a ClusterTemplate.
:param context: Security context
:returns: a :class:`ClusterTemplate` object.
"""
db_cluster_template = cls.dbapi.get_cluster_template_by_id(
context, cluster_template_id)
cluster_template = ClusterTemplate._from_db_object(cls(context),
db_cluster_template)
return cluster_template
@base.remotable_classmethod
def get_by_uuid(cls, context, uuid):
"""Find and return ClusterTemplate object based on uuid.
:param uuid: the uuid of a ClusterTemplate.
:param context: Security context
:returns: a :class:`ClusterTemplate` object.
"""
db_cluster_template = cls.dbapi.get_cluster_template_by_uuid(
context, uuid)
cluster_template = ClusterTemplate._from_db_object(cls(context),
db_cluster_template)
return cluster_template
@base.remotable_classmethod
def get_by_name(cls, context, name):
"""Find and return ClusterTemplate object based on name.
:param name: the name of a ClusterTemplate.
:param context: Security context
:returns: a :class:`ClusterTemplate` object.
"""
db_cluster_template = cls.dbapi.get_cluster_template_by_name(context,
name)
cluster_template = ClusterTemplate._from_db_object(cls(context),
db_cluster_template)
return cluster_template
@base.remotable_classmethod
def list(cls, context, limit=None, marker=None,
sort_key=None, sort_dir=None):
"""Return a list of ClusterTemplate objects.
:param context: Security context.
:param limit: maximum number of resources to return in a single result.
:param marker: pagination marker for large data sets.
:param sort_key: column to sort results by.
:param sort_dir: direction to sort. "asc" or "desc".
:returns: a list of :class:`ClusterTemplate` object.
"""
db_cluster_templates = cls.dbapi.get_cluster_template_list(
context, limit=limit, marker=marker, sort_key=sort_key,
sort_dir=sort_dir)
return ClusterTemplate._from_db_object_list(db_cluster_templates,
cls, context)
@base.remotable
def create(self, context=None):
"""Create a ClusterTemplate record in the DB.
:param context: Security context. NOTE: This should only
be used internally by the indirection_api.
Unfortunately, RPC requires context as the first
argument, even though we don't use it.
A context should be set when instantiating the
object, e.g.: ClusterTemplate(context)
"""
values = self.obj_get_changes()
db_cluster_template = self.dbapi.create_cluster_template(values)
self._from_db_object(self, db_cluster_template)
@base.remotable
def destroy(self, context=None):
"""Delete the ClusterTemplate from the DB.
:param context: Security context. NOTE: This should only
be used internally by the indirection_api.
Unfortunately, RPC requires context as the first
argument, even though we don't use it.
A context should be set when instantiating the
object, e.g.: ClusterTemplate(context)
"""
self.dbapi.destroy_cluster_template(self.uuid)
self.obj_reset_changes()
@base.remotable
def save(self, context=None):
"""Save updates to this ClusterTemplate.
Updates will be made column by column based on the result
of self.what_changed().
:param context: Security context. NOTE: This should only
be used internally by the indirection_api.
Unfortunately, RPC requires context as the first
argument, even though we don't use it.
A context should be set when instantiating the
object, e.g.: ClusterTemplate(context)
"""
updates = self.obj_get_changes()
self.dbapi.update_cluster_template(self.uuid, updates)
self.obj_reset_changes()
@base.remotable
def refresh(self, context=None):
"""Loads updates for this ClusterTemplate.
Loads a ClusterTemplate with the same uuid from the database and
checks for updated attributes. Updates are applied from
the loaded ClusterTemplate column by column, if there are any updates.
:param context: Security context. NOTE: This should only
be used internally by the indirection_api.
Unfortunately, RPC requires context as the first
argument, even though we don't use it.
A context should be set when instantiating the
object, e.g.: ClusterTemplate(context)
"""
current = self.__class__.get_by_uuid(self._context, uuid=self.uuid)
for field in self.fields:
if self.obj_attr_is_set(field) and self[field] != current[field]:
self[field] = current[field]