# Copyright (c) 2013 OpenStack Foundation
# All Rights Reserved.
#
#    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_log import log as logging

from trove.common import cfg
from trove.guestagent.datastore.experimental.postgresql.service.status import (
    PgSqlAppStatus)

LOG = logging.getLogger(__name__)
CONF = cfg.CONF
PGSQL_SERVICE_CANDIDATES = ["postgresql"]


class PgSqlProcess(object):
    """Mixin that manages the PgSql process."""

    def restart(self, context):
        PgSqlAppStatus.get().restart_db_service(
            PGSQL_SERVICE_CANDIDATES, CONF.state_change_wait_time)

    def start_db(self, context, enable_on_boot=True, update_db=False):
        PgSqlAppStatus.get().start_db_service(
            PGSQL_SERVICE_CANDIDATES, CONF.state_change_wait_time,
            enable_on_boot=enable_on_boot, update_db=update_db)

    def stop_db(self, context, do_not_start_on_reboot=False, update_db=False):
        PgSqlAppStatus.get().stop_db_service(
            PGSQL_SERVICE_CANDIDATES, CONF.state_change_wait_time,
            disable_on_boot=do_not_start_on_reboot, update_db=update_db)
