magnum/magnum/objects/service.py

138 lines
5.1 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.
import ast
from k8sclient.client import rest
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 magnum_fields
@base.MagnumObjectRegistry.register
class Service(base.MagnumPersistentObject, base.MagnumObject,
base.MagnumObjectDictCompat):
# Version 1.0: Initial version
VERSION = '1.0'
dbapi = dbapi.get_instance()
fields = {
'id': fields.IntegerField(),
'uuid': fields.StringField(nullable=True),
'name': fields.StringField(nullable=True),
'project_id': fields.StringField(nullable=True),
'user_id': fields.StringField(nullable=True),
'bay_uuid': fields.StringField(nullable=True),
'labels': fields.DictOfStringsField(nullable=True),
'selector': fields.DictOfStringsField(nullable=True),
'ip': fields.StringField(nullable=True),
'ports': magnum_fields.ListOfDictsField(nullable=True),
'manifest_url': fields.StringField(nullable=True),
'manifest': fields.StringField(nullable=True),
}
@base.remotable_classmethod
def get_by_uuid(cls, context, uuid, bay_uuid, k8s_api):
"""Find a service based on service uuid and UUID of the Bay
:param context: Security context
:param uuid: the uuid of a service.
:param bay_uuid: the UUID of the Bay
:param k8s_api: k8s API object
:returns: a :class:`Service` object.
"""
try:
resp = k8s_api.list_namespaced_service(namespace='default')
except rest.ApiException as err:
raise exception.KubernetesAPIFailed(err=err)
if resp is None:
raise exception.ServiceListNotFound(bay_uuid=bay_uuid)
service = {}
for service_entry in resp.items:
if service_entry.metadata.uid == uuid:
service['uuid'] = service_entry.metadata.uid
service['name'] = service_entry.metadata.name
service['project_id'] = context.project_id
service['user_id'] = context.user_id
service['bay_uuid'] = bay_uuid
service['labels'] = ast.literal_eval(
service_entry.metadata.labels)
if not service_entry.spec.selector:
service['selector'] = {}
else:
service['selector'] = ast.literal_eval(
service_entry.spec.selector)
service['ip'] = service_entry.spec.cluster_ip
service_value = []
for p in service_entry.spec.ports:
ports = p.to_dict()
if not ports['name']:
ports['name'] = 'k8s-service'
service_value.append(ports)
service['ports'] = service_value
service_obj = Service(context, **service)
return service_obj
raise exception.ServiceNotFound(service=uuid)
@base.remotable_classmethod
def get_by_name(cls, context, name, bay_uuid, k8s_api):
"""Find a service based on service name and UUID of the Bay
:param context: Security context
:param name: the name of a service.
:param bay_uuid: the UUID of the Bay
:param k8s_api: k8s API object
:returns: a :class:`Service` object.
"""
try:
resp = k8s_api.read_namespaced_service(name=name,
namespace='default')
except rest.ApiException as err:
raise exception.KubernetesAPIFailed(err=err)
if resp is None:
raise exception.ServiceNotFound(service=name)
service = {}
service['uuid'] = resp.metadata.uid
service['name'] = resp.metadata.name
service['project_id'] = context.project_id
service['user_id'] = context.user_id
service['bay_uuid'] = bay_uuid
service['labels'] = ast.literal_eval(resp.metadata.labels)
if not resp.spec.selector:
service['selector'] = {}
else:
service['selector'] = ast.literal_eval(resp.spec.selector)
service['ip'] = resp.spec.cluster_ip
service_value = []
for p in resp.spec.ports:
ports = p.to_dict()
if not ports['name']:
ports['name'] = 'k8s-service'
service_value.append(ports)
service['ports'] = service_value
service_obj = Service(context, **service)
return service_obj