a8dd46e290
This patch adds the entrypoint of Kuryr libnetwork remote driver, which works as a JSON-oriented Flask app. Change-Id: Idd6a8d5e72fd4c619bfa88c01edf1f0e19391f91 Signed-off-by: Taku Fukushima <f.tac.mac@gmail.com>
48 lines
1.7 KiB
Python
48 lines
1.7 KiB
Python
# 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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from flask import Flask, jsonify
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from werkzeug.exceptions import default_exceptions
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from werkzeug.exceptions import HTTPException
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# Return all errors as JSON. From http://flask.pocoo.org/snippets/83/
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def make_json_app(import_name, **kwargs):
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"""Creates a JSON-oriented Flask app.
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All error responses that you don't specifically manage yourself will have
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application/json content type, and will contain JSON that follows the
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libnetwork remote driver protocol.
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{ "Err": "405: Method Not Allowed" }
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See:
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- https://github.com/docker/libnetwork/blob/3c8e06bc0580a2a1b2440fe0792fbfcd43a9feca/docs/remote.md#errors # noqa
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"""
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def make_json_error(ex):
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response = jsonify({"Err": str(ex)})
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response.status_code = (ex.code
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if isinstance(ex, HTTPException)
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else 500)
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content_type = 'application/vnd.docker.plugins.v1+json; charset=utf-8'
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response.headers['Content-Type'] = content_type
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return response
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app = Flask(import_name, **kwargs)
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for code in default_exceptions.iterkeys():
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app.error_handler_spec[None][code] = make_json_error
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return app
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