119 lines
4.3 KiB
Python
119 lines
4.3 KiB
Python
# Copyright 2015 IBM Corp.
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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_versionedobjects import fields
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from magnum.common import exception
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from magnum.common.pythonk8sclient.swagger_client import rest
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from magnum.db import api as dbapi
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from magnum.objects import base
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import ast
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@base.MagnumObjectRegistry.register
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class ReplicationController(base.MagnumPersistentObject, base.MagnumObject,
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base.MagnumObjectDictCompat):
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# Version 1.0: Initial version
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VERSION = '1.0'
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dbapi = dbapi.get_instance()
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fields = {
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'id': fields.IntegerField(),
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'uuid': fields.StringField(nullable=True),
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'name': fields.StringField(nullable=True),
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'project_id': fields.StringField(nullable=True),
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'user_id': fields.StringField(nullable=True),
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'images': fields.ListOfStringsField(nullable=True),
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'bay_uuid': fields.StringField(nullable=True),
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'labels': fields.DictOfStringsField(nullable=True),
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'replicas': fields.IntegerField(nullable=True),
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'manifest_url': fields.StringField(nullable=True),
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'manifest': fields.StringField(nullable=True),
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}
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@base.remotable_classmethod
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def get_by_uuid(cls, context, uuid, bay_uuid, k8s_api):
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"""Return a :class:`ReplicationController` object based on uuid.
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:param context: Security context
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:param uuid: the uuid of a ReplicationController.
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:param bay_uuid: the UUID of the Bay.
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:returns: a :class:`ReplicationController` object.
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"""
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try:
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resp = k8s_api.list_namespaced_replication_controller(
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namespace='default')
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except rest.ApiException as err:
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raise exception.KubernetesAPIFailed(err=err)
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if resp is None:
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raise exception.ReplicationControllerListNotFound(
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bay_uuid=bay_uuid)
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rc = {}
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for entry in resp.items:
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if entry.metadata.uid == uuid:
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rc['uuid'] = entry.metadata.uid
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rc['name'] = entry.metadata.name
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rc['project_id'] = context.project_id
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rc['user_id'] = context.user_id
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rc['images'] = [
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c.image for c in entry.spec.template.spec.containers]
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rc['bay_uuid'] = bay_uuid
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# Convert string to dictionary
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rc['labels'] = ast.literal_eval(entry.metadata.labels)
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rc['replicas'] = entry.status.replicas
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rc_obj = ReplicationController(context, **rc)
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return rc_obj
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raise exception.ReplicationControllerNotFound(rc=uuid)
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@base.remotable_classmethod
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def get_by_name(cls, context, name, bay_uuid, k8s_api):
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"""Return a :class:`ReplicationController` object based on name.
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:param context: Security context
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:param name: the name of a ReplicationController.
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:param bay_uuid: the UUID of the Bay.
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:returns: a :class:`ReplicationController` object.
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"""
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try:
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resp = k8s_api.read_namespaced_replication_controller(
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name=name,
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namespace='default')
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except rest.ApiException as err:
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raise exception.KubernetesAPIFailed(err=err)
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if resp is None:
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raise exception.ReplicationControllerNotFound(rc=name)
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rc = {}
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rc['uuid'] = resp.metadata.uid
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rc['name'] = resp.metadata.name
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rc['project_id'] = context.project_id
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rc['user_id'] = context.user_id
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rc['images'] = [c.image for c in resp.spec.template.spec.containers]
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rc['bay_uuid'] = bay_uuid
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# Convert string to dictionary
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rc['labels'] = ast.literal_eval(resp.metadata.labels)
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rc['replicas'] = resp.status.replicas
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rc_obj = ReplicationController(context, **rc)
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return rc_obj
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