Testing OpenStack upgrades
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tobiko/tobiko/http/_connection.py

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2.7 KiB

# Copyright (c) 2019 Red Hat, Inc.
#
# All Rights Reserved.
#
# 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.
from __future__ import absolute_import
from urllib3 import connection
from urllib3 import connectionpool
from tobiko.shell import ssh
class HTTPConnection(connection.HTTPConnection):
def __init__(self, *args, **kwargs):
#: Port forwarding address to redirect connection too if given
self.forward_address = kwargs.pop("forward_address", None)
super(HTTPConnection, self).__init__(*args, **kwargs)
def _new_conn(self):
""" Establish a socket connection and set nodelay settings on it.
:return: New socket connection.
"""
extra_kw = {}
if self.source_address:
extra_kw["source_address"] = self.source_address
if self.socket_options:
extra_kw["socket_options"] = self.socket_options
address = self.forward_address or (self._dns_host, self.port)
try:
conn = connection.connection.create_connection(
address, self.timeout, **extra_kw)
except connection.SocketTimeout as ex:
raise connection.ConnectTimeoutError(
self, (f"Connection to {self.host} timed out. "
f"(connect timeout={self.timeout})")) from ex
except connection.SocketError as ex:
raise connection.NewConnectionError(
self, f"Failed to establish a new connection: {ex}") from ex
return conn
class HTTPSConnection(HTTPConnection, connection.HTTPSConnection):
pass
class HTTPConnectionPool(connectionpool.HTTPConnectionPool):
ConnectionCls = HTTPConnection
def __init__(self, host, port, ssh_client=None, **kwargs):
forward_address = ssh.get_forward_port_address(address=(host, port),
ssh_client=ssh_client)
super(HTTPConnectionPool, self).__init__(
host=host, port=port, forward_address=forward_address, **kwargs)
class HTTPSConnectionPool(HTTPConnectionPool,
connectionpool.HTTPSConnectionPool):
ConnectionCls = HTTPSConnection