devstack-gate/sshclient.py

51 lines
1.6 KiB
Python

#!/usr/bin/env python
# Update the base image that is used for devstack VMs.
# 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 paramiko
import sys
class SSHClient(object):
def __init__(self, ip, username, password=None, pkey=None):
client = paramiko.SSHClient()
client.load_system_host_keys()
client.set_missing_host_key_policy(paramiko.WarningPolicy())
client.connect(ip, username=username, password=password, pkey=pkey)
self.client = client
def ssh(self, action, command):
stdin, stdout, stderr = self.client.exec_command(command)
print command
output = ''
for x in stdout:
output += x
sys.stdout.write(x)
ret = stdout.channel.recv_exit_status()
print stderr.read()
if ret:
raise Exception("Unable to %s" % action)
return output
def scp(self, source, dest):
print 'copy', source, dest
ftp = self.client.open_sftp()
ftp.put(source, dest)
ftp.close()