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################################################################
#
# Copyright (c) 2017 SUSE Linux Products GmbH
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or 3 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program (see the file COPYING); if not, write to the
# Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
#
################################################################
import websocket
import sys
import re
import time
url = ''
if len(sys.argv) != 2:
sys.exit("usage: openstack-console <url>")
else:
url = sys.argv[1]
print("openstack-console: Using url '%s'" % url)
ws = websocket.create_connection(url,
header={'Sec-WebSocket-Protocol: binary'})
buf = ''
timeout=120
while timeout > 0:
try:
data = ws.recv()
break
except websocket._exceptions.WebSocketConnectionClosedException:
print("Failed to get data from websocket %d retries left." % timeout)
ws = websocket.create_connection(url,
header={'Sec-WebSocket-Protocol: binary'})
timeout -= 1
time.sleep(1)
while True:
sys.stdout.write(data)
if not ws.connected:
sys.stdout.write("[connection closed]\n")
break
buf += data
buf = buf[-256:]
if re.search("[\r\n]\[\s*[0-9\.]*]\s+reboot: Power down", buf):
break
data = ws.recv()
ws.close()
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