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confluent/confluent_client/bin/nodeconsole
Jarrod Johnson 5eef76f5d3 Try a more straightforward use of tiling
Rather than retiling for every node, defer tiling until the end.
This dramatically improves the startup time for a moderate number
of systems.
2018-12-03 15:57:08 -05:00

77 lines
3.0 KiB
Python
Executable File

#!/usr/bin/env python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2015 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 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
import confluent.sortutil as sortutil
confettypath = os.path.join(os.path.dirname(sys.argv[0]), 'confetty')
argparser = optparse.OptionParser(
usage="Usage: %prog [options] node",
epilog="Command sequences are available while connected to a console, hit "
"ctrl-'e', then release ctrl, then 'c', then '?' for a full list. "
"For example, ctrl-'e', then 'c', then '.' will exit the current "
"console")
argparser.add_option('-t', '--tile', action='store_true', default=False,
help='Tile console windows in the terminal')
argparser.add_option('-m', '--mintime', action='store_true', default=False,
help='Minimum time to be open (pause for input if early exit)')
(options, args) = argparser.parse_args()
if len(args) != 1:
argparser.print_help()
sys.exit(1)
if options.tile:
nodes = []
sess = client.Command()
for res in sess.read('/noderange/{0}/nodes/'.format(args[0])):
node = res.get('item', {}).get('href', '/').replace('/', '')
if not node:
sys.stderr.write(res.get('error', repr(res)) + '\n')
sys.exit(1)
nodes.append(node)
initial = True
pane = 0
for node in sortutil.natural_sort(nodes):
if initial:
initial = False
subprocess.call(
['tmux', 'new-session', '-d', '-s',
'nodeconsole_{0}'.format(os.getpid()), '-x', '800', '-y',
'800', '{0} -m 5 start /nodes/{1}/console/session'.format(
confettypath, node)])
else:
subprocess.call(['tmux', 'select-pane', '-t', str(pane)])
pane += 1
subprocess.call(
['tmux', 'split', '-h',
'{0} -m 5 start /nodes/{1}/console/session'.format(
confettypath, node)])
subprocess.call(['tmux', 'select-layout', 'tiled'])
subprocess.call(['tmux', 'select-pane', '-t', '0'])
os.execlp('tmux', 'tmux', 'attach', '-t', 'nodeconsole_{0}'.format(
os.getpid()))
else:
os.execl(confettypath, confettypath, 'start',
'/nodes/{0}/console/session'.format(args[0]))