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confluent/confluent_client/bin/nodepower
Jarrod Johnson 620263db3e Add maxnodes argument to potentially risky commands
This uses the client maxnodes check to double check.  Useful
for clients that want to sanity check unexpectedly large numbers of
nodes.
2019-10-23 14:20:40 -04:00

80 lines
2.5 KiB
Python
Executable File

#!/usr/bin/python2
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2015-2017 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 signal
import sys
try:
signal.signal(signal.SIGPIPE, signal.SIG_DFL)
except AttributeError:
pass
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 [options] noderange "
"([status|on|off|shutdown|boot|reset])")
argparser.add_option('-p', '--showprevious', dest='previous',
action='store_true', default=False,
help='Show previous power state')
argparser.add_option('-m', '--maxnodes', type='int',
help='Specify a maximum number of '
'nodes to change power state, '
'prompting if over the threshold')
(options, args) = argparser.parse_args()
try:
noderange = args[0]
except IndexError:
argparser.print_help()
sys.exit(1)
client.check_globbing(noderange)
setstate = None
if len(args) > 1:
if setstate == 'softoff':
setstate = 'shutdown'
elif not args[1] in ('stat', 'state', 'status'):
setstate = args[1]
if setstate not in (None, 'on', 'off', 'shutdown', 'boot', 'reset'):
argparser.print_help()
sys.exit(1)
session = client.Command()
exitcode = 0
session.add_precede_key('oldstate')
if options.previous:
# get previous states
prev = {}
for rsp in session.read("/noderange/{0}/power/state".format(noderange)):
# gets previous (current) states
databynode = rsp["databynode"]
for node in databynode:
prev[node] = databynode[node]["state"]["value"]
# add dictionary to session
session.add_precede_dict(prev)
sys.exit(session.simple_noderange_command(noderange, '/power/state', setstate, promptover=options.maxnodes))