kolla/kolla/engine_adapter/engine.py

50 lines
1.4 KiB
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.
from enum import Enum
from kolla.image.utils import LOG
try:
import docker
except (ImportError):
LOG.debug("Docker python library was not found")
class Engine(Enum):
DOCKER = "docker"
class UnsupportedEngineError(ValueError):
def __init__(self, engine_name):
super().__init__()
self.engine_name = engine_name
def __str__(self):
return f'Unsupported engine name given: "{self.engine_name}"'
def getEngineException(conf):
if conf.engine == Engine.DOCKER.value:
return (docker.errors.DockerException)
else:
raise UnsupportedEngineError(conf.engine)
def getEngineClient(conf):
if conf.engine == Engine.DOCKER.value:
kwargs_env = docker.utils.kwargs_from_env()
return docker.DockerClient(version='auto', **kwargs_env)
else:
raise UnsupportedEngineError(conf.engine)