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# Copyright 2011 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.
import sys
from oslo_config import cfg as openstack_cfg
from oslo_log import log as logging
from oslo_service import service as openstack_service
from trove.common import cfg
from trove.common import debug_utils
from trove.common.i18n import _
from trove.guestagent import api as guest_api
from trove.guestagent.common import guestagent_utils
from trove.guestagent.common import operating_system
from trove.guestagent import volume
CONF = cfg.CONF
# The guest_id opt definition must match the one in common/cfg.py
CONF.register_opts([
openstack_cfg.StrOpt('guest_id', default=None,
help="ID of the Guest Instance."),
openstack_cfg.StrOpt('instance_rpc_encr_key',
help=('Key (OpenSSL aes_cbc) for '
'instance RPC encryption.')),
openstack_cfg.BoolOpt('network_isolation',
help='whether to plug user defined '
'port to database container'),
openstack_cfg.StrOpt('replication_strategy',
default='trove.guestagent.strategies.replication.'
'mysql_gtid.MysqlGTIDReplication',
help='Namespace to load replication strategies from.')
])
LOG = logging.getLogger(__name__)
def main():
log_levels = [
'docker=WARN',
]
default_log_levels = logging.get_default_log_levels()
default_log_levels.extend(log_levels)
logging.set_defaults(default_log_levels=default_log_levels)
logging.register_options(CONF)
cfg.parse_args(sys.argv)
logging.setup(CONF, None)
debug_utils.setup()
from trove.guestagent import dbaas
manager = dbaas.datastore_registry().get(CONF.datastore_manager)
if not manager:
msg = (_("Manager class not registered for datastore manager %s") %
CONF.datastore_manager)
raise RuntimeError(msg)
if not CONF.guest_id:
msg = (_("The guest_id parameter is not set. guest_info.conf "
"was not injected into the guest or not read by guestagent"))
raise RuntimeError(msg)
if CONF.network_isolation:
# disable user-defined port to avoid potential default gateway
# conflict
try:
guestagent_utils.disable_user_defined_port()
except Exception as e:
LOG.warning("failed to down the user defined port when "
"network_isolation is set to true due to: %s."
"pass...", str(e))
pass
# Create user and group for running docker container.
LOG.info('Creating user and group for database service')
uid = CONF.get(CONF.datastore_manager
).database_service_uid or CONF.database_service_uid
gid = CONF.get(CONF.datastore_manager).database_service_gid or uid
uname = CONF.get(CONF.datastore_manager).database_service_uname
operating_system.create_user(uname, user_id=uid, group_id=gid)
# Mount device if needed.
# When doing rebuild, the device should be already formatted but not
# mounted.
device_path = CONF.get(CONF.datastore_manager).device_path
mount_point = CONF.get(CONF.datastore_manager).mount_point
device = volume.VolumeDevice(device_path)
if not device.mount_points(device_path):
LOG.info('Preparing the storage for %s, mount path %s',
device_path, mount_point)
device.format()
device.mount(mount_point)
operating_system.chown(
mount_point, uid, gid, recursive=True, as_root=True)
# rpc module must be loaded after decision about thread monkeypatching
# because if thread module is not monkeypatched we can't use eventlet
# executor from oslo_messaging library.
from trove import rpc
rpc.init(CONF)
from trove.common.rpc import service as rpc_service
server = rpc_service.RpcService(
key=CONF.instance_rpc_encr_key,
topic="guestagent.%s" % CONF.guest_id,
manager=manager, host=CONF.guest_id,
rpc_api_version=guest_api.API.API_LATEST_VERSION)
launcher = openstack_service.launch(CONF, server, restart_method='mutate')
launcher.wait()
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