2
0
mirror of https://github.com/xcat2/confluent.git synced 2024-11-22 09:32:21 +00:00
confluent/confluent_client/bin/nodeshell
2017-04-27 16:49:05 -04:00

86 lines
2.7 KiB
Python
Executable File

#!/usr/bin/env python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2016-2017 Lenovo
#
# 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 optparse
import os
import select
import shlex
import subprocess
import sys
path = os.path.dirname(os.path.realpath(__file__))
path = os.path.realpath(os.path.join(path, '..', 'lib', 'python'))
if path.startswith('/opt'):
sys.path.append(path)
import confluent.client as client
argparser = optparse.OptionParser(
usage="Usage: %prog node commandexpression",
epilog="Expressions are the same as in attributes, e.g. "
"'ipmitool -H {hardwaremanagement.manager}' will be expanded.")
argparser.disable_interspersed_args()
(options, args) = argparser.parse_args()
if len(args) < 2:
argparser.print_help()
sys.exit(1)
c = client.Command()
cmdstr = " ".join(args[1:])
nodeforpopen = {}
popens = []
for exp in c.create('/noderange/{0}/attributes/expression'.format(args[0]),
{'expression': cmdstr}):
ex = exp['databynode']
for node in ex:
cmd = ex[node]['value'].encode('utf-8')
cmdv = ['ssh', node] + shlex.split(cmd)
nopen = subprocess.Popen(
cmdv, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
popens.append(nopen)
nodeforpopen[nopen] = node
all = set([])
pipedesc = {}
exitcode = 0
for pop in popens:
node = nodeforpopen[pop]
pipedesc[pop.stdout] = { 'node': node, 'popen': pop, 'type': 'stdout'}
pipedesc[pop.stderr] = {'node': node, 'popen': pop, 'type': 'stderr'}
all.add(pop.stdout)
all.add(pop.stderr)
rdy, _, _ = select.select(all, [], [], 10)
while all and rdy:
for r in rdy:
data = r.readline()
desc = pipedesc[r]
if data:
node = desc['node']
if desc['type'] == 'stdout':
sys.stdout.write('{0}: {1}'.format(node,data))
else:
sys.stderr.write('{0}: {1}'.format(node, data))
else:
pop = desc['popen']
ret = pop.poll()
if ret is not None:
exitcode = exitcode | ret
all.discard(r)
if all:
rdy, _, _ = select.select(all, [], [], 10)
sys.exit(exitcode)