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#
# 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.
import argparse
from http import server
import socketserver
import webob
from oslo_middleware import healthcheck
class HttpHandler(server.SimpleHTTPRequestHandler):
def do_GET(self):
@webob.dec.wsgify
def dummy_application(req):
return 'test'
app = healthcheck.Healthcheck(dummy_application, {'detailed': True})
req = webob.Request.blank("/healthcheck", accept='text/html',
method='GET')
res = req.get_response(app)
self.send_response(res.status_code)
for header_name, header_value in res.headerlist:
self.send_header(header_name, header_value)
self.end_headers()
self.wfile.write(res.body)
self.wfile.close()
def positive_int(blob):
value = int(blob)
if value < 0:
msg = "%r is not a positive integer" % blob
raise argparse.ArgumentTypeError(msg)
return value
def create_server(port=0):
handler = HttpHandler
server = socketserver.TCPServer(("", port), handler)
return server
def main(args=None):
"""Runs a basic http server to show healthcheck functionality."""
parser = argparse.ArgumentParser()
parser.add_argument("-p", "--port",
help="Unused port to run the tiny"
" http server on (or zero to select a"
" random unused port)",
type=positive_int, required=True)
args = parser.parse_args(args=args)
server = create_server(args.port)
print("Serving at port: %s" % server.server_address[1])
server.serve_forever()
if __name__ == '__main__':
main()
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