71 lines
2.3 KiB
Python
71 lines
2.3 KiB
Python
# Copyright 2014 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os
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import tarfile
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import yaml
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from fuelclient.cli import error
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from fuelclient.objects import base
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EXTRACT_PATH = "/var/www/nailgun/plugins/"
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VERSIONS_PATH = '/etc/fuel/version.yaml'
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class Plugins(base.BaseObject):
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class_api_path = "plugins/"
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class_instance_path = "plugins/{id}"
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metadata_config = 'metadata.yaml'
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@classmethod
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def validate_environment(cls):
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return os.path.exists(VERSIONS_PATH)
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@classmethod
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def get_metadata(cls, plugin_tar):
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for member_name in plugin_tar.getnames():
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if cls.metadata_config in member_name:
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return yaml.load(plugin_tar.extractfile(member_name).read())
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raise error.BadDataException("Tarfile {0} doesn't have {1}".format(
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plugin_tar.name, cls.metadata_config))
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@classmethod
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def add_plugin(cls, plugin_meta, plugin_tar):
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return plugin_tar.extractall(EXTRACT_PATH)
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@classmethod
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def install_plugin(cls, plugin_path, force=False):
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if not cls.validate_environment():
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raise error.WrongEnvironmentError(
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'Plugin can be installed only from master node.')
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plugin_tar = tarfile.open(plugin_path, 'r')
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try:
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metadata = cls.get_metadata(plugin_tar)
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resp = cls.connection.post_request_raw(
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cls.class_api_path, metadata)
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if resp.status_code == 409 and force:
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url = cls.class_instance_path.format(id=resp.json()['id'])
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resp = cls.connection.put_request(
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url, metadata)
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else:
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resp.raise_for_status()
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cls.add_plugin(metadata, plugin_tar)
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finally:
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plugin_tar.close()
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return resp
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