#!/usr/bin/env 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.

"""Heat Engine Server.

This does the work of actually implementing the API calls made by the user.
Normal communications is done via the heat API which then calls into this
engine.
"""


import os
import sys

from oslo_log import log as logging


LOG = logging.getLogger(__name__)

LOG.warning('DEPRECATED: `heat-engine` script is deprecated. '
            'Please use the system level heat binaries installed to '
            'start any of the heat services.')


# If ../heat/__init__.py exists, add ../ to Python search path, so that
# it will override what happens to be installed in /usr/(local/)lib/python...
POSSIBLE_TOPDIR = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]),
                                   os.pardir,
                                   os.pardir))

if os.path.exists(os.path.join(POSSIBLE_TOPDIR, 'heat', '__init__.py')):
    sys.path.insert(0, POSSIBLE_TOPDIR)

from heat.cmd import engine  # noqa: E402

engine.main()