libcloud/container/providers.py

# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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,
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# See the License for the specific language governing permissions and
# limitations under the License.

from typing import Type
from typing import Union
from types import ModuleType
from typing import TYPE_CHECKING

from libcloud.container.types import Provider
from libcloud.common.providers import get_driver as _get_provider_driver
from libcloud.common.providers import set_driver as _set_provider_driver

if TYPE_CHECKING:
    # NOTE: This is needed to avoid having setup.py depend on requests
    from libcloud.container.base import ContainerDriver

DRIVERS = {
    Provider.DUMMY:
    ('libcloud.container.drivers.dummy', 'DummyContainerDriver'),
    Provider.DOCKER:
    ('libcloud.container.drivers.docker', 'DockerContainerDriver'),
    Provider.JOYENT:
    ('libcloud.container.drivers.joyent', 'JoyentContainerDriver'),
    Provider.ECS:
    ('libcloud.container.drivers.ecs', 'ElasticContainerDriver'),
    Provider.KUBERNETES:
    ('libcloud.container.drivers.kubernetes', 'KubernetesContainerDriver'),
    Provider.LXD:
    ('libcloud.container.drivers.lxd', 'LXDContainerDriver'),
    Provider.RANCHER:
    ('libcloud.container.drivers.rancher', 'RancherContainerDriver'),
    Provider.GKE:
    ('libcloud.container.drivers.gke', 'GKEContainerDriver')
}


def get_driver(provider):
    # type: (Union[Provider, str]) -> Type[ContainerDriver]
    return _get_provider_driver(drivers=DRIVERS, provider=provider)


def set_driver(provider, module, klass):
    # type: (Union[Provider, str], ModuleType, type) -> Type[ContainerDriver]
    return _set_provider_driver(drivers=DRIVERS, provider=provider,
                                module=module, klass=klass)