155 lines
3.9 KiB
Python
155 lines
3.9 KiB
Python
import os
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import requests
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from flask import Flask, request, Response, render_template, jsonify
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from werkzeug.routing import Rule
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app = Flask(__name__)
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app.url_map.add(Rule("/request", endpoint="request"))
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@app.route("/")
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def root_view():
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"""List all available routes"""
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routes = {}
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for rule in app.url_map.iter_rules():
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if rule.endpoint != "static":
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# Get only the first line from the docstring as the summary
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routes[rule.rule] = list(
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filter(None, app.view_functions[rule.endpoint].__doc__.split("\n"))
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)[0].strip()
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# JSON response
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if request.accept_mimetypes.accept_json:
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return jsonify(routes)
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# HTML response
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if request.accept_mimetypes.accept_html:
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return render_template("index.j2", routes=routes)
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# Plain text response
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return Response(
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"\n".join(
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[
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"{path:32s}: {doc}".format(path=path, doc=doc)
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for path, doc in routes.items()
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]
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),
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content_type="text/plain",
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)
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@app.route("/environment")
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def environment_view():
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"""Return defined environment"""
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# JSON response
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if request.accept_mimetypes.accept_json:
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return jsonify(os.environ.copy())
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# Plain text response
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return Response(
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"\n".join(
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[
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"{key}={value}".format(key=key, value=value)
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for key, value in os.environ.items()
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]
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),
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content_type="text/plain",
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)
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@app.route("/headers")
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def headers_view():
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"""Return request headers"""
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# JSON response
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if request.accept_mimetypes.accept_json:
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return jsonify(dict(request.headers))
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# Plain text response
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return Response(
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"\n".join(
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[
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"{key}={value}".format(key=key, value=value)
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for key, value in request.headers
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]
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),
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content_type="text/plain",
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)
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@app.route("/log", methods=["POST"])
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def log_view():
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"""
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Logs the provided payload into stdout.
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Accepts JSON and plain text
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Returns the provided data on response
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"""
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if request.is_json:
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app.logger.warn(request.json)
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return jsonify(request.json)
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data = request.get_data().decode("utf-8")
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app.logger.warn(data)
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return Response(data)
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@app.route("/http_request", methods=["POST"])
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def http_request_view():
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"""
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Performs an http request.
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The view is just a passthrough to the requests library:
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- `method` parameter to set the request method
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- Every other parameter will be sent directly to the requests request method
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"""
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params = request.json
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method = params.pop("method", "GET")
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response = requests.request(method, **params)
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# JSON response
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return jsonify(
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{
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"method": method,
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"params": params,
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"response": {
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"content": response.text,
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"json": response.json(),
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"headers": {key: value for key, value in response.headers.items()},
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},
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}
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)
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@app.endpoint("request")
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def request_view():
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"""
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Return request information.
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Useful to use along /request from other pods.
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"""
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request_data = {
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"method": request.method,
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"url": request.url,
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"path": request.path,
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"data": request.get_data(as_text=True),
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"json": request.get_json(),
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"cookies": {key: value for key, value in request.cookies.items()},
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"params": {key: value for key, value in request.args.items()},
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"headers": {key: value for key, value in request.headers.items()},
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}
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# JSON response
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if request.accept_mimetypes.accept_json:
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return jsonify(request_data)
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# Plain text response
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return Response(
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render_template("request.j2", request_data=request_data),
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content_type="text/plain",
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)
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if __name__ == "__main__":
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app.run(debug=True, port=8080, host="0.0.0.0")
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