Paul Belanger 0465f83c48 Create launch-node.py
This adds the ability for users to boot a server on openstack then
bootstrap the server for ansible, then windmill.  There is a fair bit of
assumptions here, but this is a good first start.

Change-Id: Iae2cf70975ba9ad621401db609849b4ebb8efe5d
Signed-off-by: Paul Belanger <pabelanger@redhat.com>
2019-02-27 09:16:48 -05:00

51 lines
1.5 KiB
Python

# Copyright (C) 2011-2012 OpenStack LLC.
#
# 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 socket
import time
import paramiko
from sshclient import SSHClient
def iterate_timeout(max_seconds, purpose):
start = time.time()
count = 0
while (time.time() < start + max_seconds):
count += 1
yield count
time.sleep(2)
raise Exception("Timeout waiting for %s" % purpose)
def ssh_connect(ip, username, connect_kwargs={}, timeout=60):
# HPcloud may return errno 111 for about 30 seconds after adding the IP
for count in iterate_timeout(timeout, "ssh access"):
try:
client = SSHClient(ip, username, **connect_kwargs)
break
except socket.error as e:
print("While testing ssh access:", e)
time.sleep(5)
except paramiko.ssh_exception.AuthenticationException:
return None
ret, out = client.ssh("echo access okay")
if "access okay" in out:
return client
return None