c8a5bc39dc
* Updated logging,cfg,setup to new oslo * Split out the paste ini from the conf files * Modified reddwarf-api/server to use new modules * Modified reddwarf-manage to use new cfg * Added rpc helper for rpc services * Modified reddwarf-taskmanager to use rpc helper * Modified reddwarf-guestagent to use new rpc helper * Fixed guestagent api to use rpc proxy * Fixed taskmanager module to conform to new rpc * Updated guestagent manager/pkg to use new rpc * Updated api paste to use keystoneclient auth_token * Updated managers to use periodic tasks Implements: blueprint reddwarf/upgrade-oslo Change-Id: I9ad1b441eca855a4304454014ae746ec51bef8f3
239 lines
8.0 KiB
Python
239 lines
8.0 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2010-2011 OpenStack LLC.
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# 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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"""
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Model classes that extend the instances functionality for MySQL instances.
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"""
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from reddwarf.common import cfg
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from reddwarf.common import exception
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from reddwarf.common import utils
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from reddwarf.common.remote import create_guest_client
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from reddwarf.db import get_db_api
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from reddwarf.guestagent.db import models as guest_models
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from reddwarf.instance import models as base_models
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from reddwarf.openstack.common import log as logging
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from reddwarf.openstack.common.gettextutils import _
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CONF = cfg.CONF
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LOG = logging.getLogger(__name__)
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def persisted_models():
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return {'root_enabled_history': RootHistory}
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def load_and_verify(context, instance_id):
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# Load InstanceServiceStatus to verify if its running
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instance = base_models.Instance.load(context, instance_id)
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if not instance.is_sql_running:
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raise exception.UnprocessableEntity(
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"Instance %s is not ready." % instance.id)
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else:
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return instance
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class User(object):
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_data_fields = ['name', 'password', 'databases']
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def __init__(self, name, password, databases):
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self.name = name
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self.password = password
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self.databases = databases
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@classmethod
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def create(cls, context, instance_id, users):
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# Load InstanceServiceStatus to verify if it's running
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load_and_verify(context, instance_id)
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client = create_guest_client(context, instance_id)
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for user in users:
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user_name = user['_name']
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existing_users, _nadda = Users.load_with_client(
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client,
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limit=1,
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marker=user_name,
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include_marker=True)
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if (len(existing_users) > 0 and
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str(existing_users[0].name) == str(user_name)):
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raise exception.UserAlreadyExists(name=user_name)
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return client.create_user(users)
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@classmethod
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def delete(cls, context, instance_id, username):
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load_and_verify(context, instance_id)
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create_guest_client(context, instance_id).delete_user(username)
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class Root(object):
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@classmethod
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def load(cls, context, instance_id):
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load_and_verify(context, instance_id)
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# TODO(pdmars): remove the is_root_enabled call from the guest agent,
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# just check the database for this information.
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# If the root history returns null or raises an exception, the root
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# user hasn't been enabled.
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try:
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root_history = RootHistory.load(context, instance_id)
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except exception.NotFound:
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return False
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if not root_history:
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return False
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return True
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@classmethod
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def create(cls, context, instance_id, user):
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load_and_verify(context, instance_id)
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root = create_guest_client(context, instance_id).enable_root()
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root_user = guest_models.RootUser()
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root_user.deserialize(root)
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root_history = RootHistory.create(context, instance_id, user)
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return root_user
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class RootHistory(object):
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_auto_generated_attrs = ['id']
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_data_fields = ['instance_id', 'user', 'created']
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_table_name = 'root_enabled_history'
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def __init__(self, instance_id, user):
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self.id = instance_id
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self.user = user
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self.created = utils.utcnow()
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def save(self):
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LOG.debug(_("Saving %s: %s") % (self.__class__.__name__,
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self.__dict__))
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return get_db_api().save(self)
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@classmethod
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def load(cls, context, instance_id):
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history = get_db_api().find_by(cls, id=instance_id)
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return history
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@classmethod
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def create(cls, context, instance_id, user):
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history = cls.load(context, instance_id)
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if history is not None:
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return history
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history = RootHistory(instance_id, user)
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history.save()
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return history
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def load_via_context(cls, context, instance_id):
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"""Creates guest and fetches pagination arguments from the context."""
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load_and_verify(context, instance_id)
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limit = int(context.limit or cls.DEFAULT_LIMIT)
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limit = cls.DEFAULT_LIMIT if limit > cls.DEFAULT_LIMIT else limit
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client = create_guest_client(context, instance_id)
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# The REST API standard dictates that we *NEVER* include the marker.
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return cls.load_with_client(client=client, limit=limit,
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marker=context.marker, include_marker=False)
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class Users(object):
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DEFAULT_LIMIT = CONF.users_page_size
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@classmethod
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def load(cls, context, instance_id):
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return load_via_context(cls, context, instance_id)
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@classmethod
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def load_with_client(cls, client, limit, marker, include_marker):
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user_list, next_marker = client.list_users(
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limit=limit,
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marker=marker,
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include_marker=include_marker)
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model_users = []
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ignore_users = CONF.ignore_users
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for user in user_list:
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mysql_user = guest_models.MySQLUser()
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mysql_user.deserialize(user)
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if mysql_user.name in ignore_users:
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continue
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# TODO(hub-cap): databases are not being returned in the
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# reference agent
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dbs = []
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for db in mysql_user.databases:
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dbs.append({'name': db['_name']})
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model_users.append(User(mysql_user.name,
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mysql_user.password,
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dbs))
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return model_users, next_marker
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class Schema(object):
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_data_fields = ['name', 'collate', 'character_set']
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def __init__(self, name, collate, character_set):
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self.name = name
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self.collate = collate
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self.character_set = character_set
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@classmethod
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def create(cls, context, instance_id, schemas):
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load_and_verify(context, instance_id)
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client = create_guest_client(context, instance_id)
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for schema in schemas:
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schema_name = schema['_name']
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existing_schema, _nadda = Schemas.load_with_client(
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client,
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limit=1,
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marker=schema_name,
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include_marker=True)
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if (len(existing_schema) > 0 and
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str(existing_schema[0].name) == str(schema_name)):
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raise exception.DatabaseAlreadyExists(name=schema_name)
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return client.create_database(schemas)
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@classmethod
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def delete(cls, context, instance_id, schema):
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load_and_verify(context, instance_id)
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create_guest_client(context, instance_id).delete_database(schema)
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class Schemas(object):
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DEFAULT_LIMIT = CONF.databases_page_size
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@classmethod
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def load(cls, context, instance_id):
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return load_via_context(cls, context, instance_id)
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@classmethod
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def load_with_client(cls, client, limit, marker, include_marker):
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schemas, next_marker = client.list_databases(
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limit=limit,
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marker=marker,
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include_marker=include_marker)
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model_schemas = []
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ignore_dbs = CONF.ignore_dbs
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for schema in schemas:
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mysql_schema = guest_models.MySQLDatabase()
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mysql_schema.deserialize(schema)
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if mysql_schema.name in ignore_dbs:
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continue
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model_schemas.append(Schema(mysql_schema.name,
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mysql_schema.collate,
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mysql_schema.character_set))
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return model_schemas, next_marker
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