tempest/stress/utils.py
Attila Fazekas 73c152d268 Stress improts
* Partial relative import fix
* Wildcard imports removed
* stress/utils/util.py renamed to stress/utils.py
* time/datetime module aliasing removed

Change-Id: Ib0b234581695604c10c51915210e4643a8732874
2013-02-16 17:08:39 +01:00

56 lines
1.8 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 Quanta Research Cambridge, Inc.
#
# 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 shlex
import subprocess
SSH_OPTIONS = (" -q" +
" -o UserKnownHostsFile=/dev/null" +
" -o StrictHostKeyChecking=no -i ")
def get_ssh_options(keypath):
return SSH_OPTIONS + keypath
def scp(keypath, args):
options = get_ssh_options(keypath)
return subprocess.check_call(shlex.split("scp" + options + args))
def ssh(keypath, user, node, command, check=True):
command = 'sudo ' + command
command = "ssh %s %s@%s %s" % (get_ssh_options(keypath), user,
node, command)
popenargs = shlex.split(command)
process = subprocess.Popen(popenargs, stdout=subprocess.PIPE)
output, unused_err = process.communicate()
retcode = process.poll()
if retcode and check:
raise Exception("%s: ssh failed with retcode: %s" % (node, retcode))
return output
def execute_on_all(keypath, user, nodes, command):
for node in nodes:
ssh(keypath, user, node, command)
def enum(*sequential, **named):
"""Create auto-incremented enumerated types."""
enums = dict(zip(sequential, range(len(sequential))), **named)
return type('Enum', (), enums)