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confluent/confluent_client/bin/nodeconsole
2023-06-12 10:51:29 -04:00

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#!/usr/libexec/platform-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
import confluent.logreader as logreader
import time
import socket
import re
confettypath = os.path.join(os.path.dirname(sys.argv[0]), 'confetty')
argparser = optparse.OptionParser(
usage="Usage: %prog [options] <noderange> [kill][-- [passthroughoptions]]",
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('-l', '--log', action='store_true', default=False,
help='Enter log replay mode instead of showing a live console')
argparser.add_option('-T', '--Timestamp', action='store_true', default=False,
help= 'Dump log in stdout with timestamps')
argparser.add_option('-w','--windowed', action='store_true', default=False,
help='Open terminal windows for each node. The '
'environment variable NODECONSOLE_WINDOWED_COMMAND '
'should be set, which should be a text string corresponding '
'to a command that can be used to open a windowed console,'
' omitting the "nodeconsole <noderange>" part of the '
'command, for example, to open a set of consoles for a '
'range of nodes in separate xterm windows, set '
'NODECONSOLE_WINDOWED_COMMAND to "xterm -e". To open a '
'set of consoles for a range of nodes in separate '
'GNOME Terminal windows with a size of 100 columns and '
'31 rows, set NODECONSOLE_WINDOWED_COMMAND '
'to "gnome-terminal --geometry 100x31 --" or in a WSL '
'environment, to open a set of consoles for a range of '
'nodes in separate Windows Terminal windows, with the '
'title set for each node, set NODECONSOLE_WINDOWED_COMMAND'
' to "wt.exe wsl.exe -d AlmaLinux-8 '
'--shell-type login". If the NODECONSOLE_WINDOWED_COMMAND '
'environment variable isn\'t set, xterm will be used by'
'default.')
(options, args) = argparser.parse_args()
pass_through_args = []
killcon = False
try:
noderange = args[0]
if len(args) > 1:
if args[1] == 'kill':
killcon = True
pass_through_args = args[1:]
args = args[:1]
except IndexError:
argparser.print_help()
sys.exit(1)
if len(args) != 1:
argparser.print_help()
sys.exit(1)
if options.log:
logname = args[0]
if not os.path.exists(logname) and logname[0] != '/':
logname = os.path.join('/var/log/confluent/consoles', logname)
if not os.path.exists(logname):
sys.stderr.write('Unable to locate {0} on local system\n'.format(logname))
sys.exit(1)
logreader.replay_to_console(logname)
sys.exit(0)
if options.Timestamp:
logname = args[0]
if not os.path.exists(logname) and logname[0] != '/':
logname = os.path.join('/var/log/confluent/consoles', logname)
if not os.path.exists(logname):
sys.stderr.write('Unable to locate {0} on local system\n'.format(logname))
sys.exit(1)
logreader.dump_to_console(logname)
sys.exit(0)
def kill(noderange):
sess = client.Command()
envstring=os.environ.get('NODECONSOLE_WINDOWED_COMMAND')
if not envstring:
envstring = 'xterm'
nodes = []
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)
for node in nodes:
s=socket.socket(socket.AF_UNIX)
winid=None
try:
win=subprocess.Popen(['xwininfo', '-tree', '-root'], stdout=subprocess.PIPE)
wintr=win.communicate()[0]
for line in wintr.decode('utf-8').split('\n'):
if 'console: {0}'.format(node) in line or 'confetty' in line:
win_obj = [ele for ele in line.split(' ') if ele.strip()]
winid = win_obj[0]
except:
print("Error: cannot retrieve window id of node {}".format(node))
if winid:
ps_data=subprocess.Popen(['xkill', '-id', winid ], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
sys.exit(0)
def handle_geometry(envlist, sizegeometry, side_pad=0, top_pad=0, first=False):
if '-geometry' in envlist:
g_index = envlist.index('-geometry')
elif '-g' in envlist:
g_index = envlist.index('-g')
else:
g_index = 0
if g_index:
if first:
envlist[g_index+1] = '{0}+{1}+{2}'.format(envlist[g_index+1],side_pad, top_pad)
else:
envlist[g_index+1] = '{0}+{1}+{2}'.format(sizegeometry,side_pad, top_pad)
else:
envlist.insert(1, '-geometry')
envlist.insert(2, '{0}+{1}+{2}'.format(sizegeometry,side_pad, top_pad))
g_index = 1
return envlist
# add funcltionality to close/kill all open consoles
if killcon:
kill(noderange)
#added functionality for wcons
if options.windowed:
result=subprocess.Popen(['xwininfo', '-root'], stdout=subprocess.PIPE)
rootinfo=result.communicate()[0]
result.wait()
for line in rootinfo.decode('utf-8').split('\n'):
if 'Width' in line:
screenwidth = int(line.split(':')[1])
if 'Height' in line:
screenheight = int(line.split(':')[1])
envstring=os.environ.get('NODECONSOLE_WINDOWED_COMMAND')
if not envstring:
sizegeometry='100x31'
corrected_x, corrected_y = (13,84)
envlist = handle_geometry(['xterm'] + pass_through_args + ['-e'],sizegeometry, first=True)
#envlist=['xterm', '-bg', 'black', '-fg', 'white', '-geometry', '{sizegeometry}+0+0'.format(sizegeometry=sizegeometry), '-e']
else:
envlist=os.environ.get('NODECONSOLE_WINDOWED_COMMAND').split(' ')
if envlist[0] == 'xterm':
if '-geometry' in envlist:
g_index = envlist.index('-geometry')
elif '-g' in envlist:
g_index = envlist.index('-g')
else:
g_index = 0
if g_index:
envlist[g_index+1] = envlist[g_index+1] + '+0+0'
else:
envlist.insert(1, '-geometry')
envlist.insert(2, '100x31+0+0')
g_index = 1
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)
if options.tile and not envlist[0] == 'xterm':
sys.stderr.write('[ERROR] UNSUPPORTED OPTIONS. \nWindowed and tiled consoles are only supported when using xterm \n')
sys.exit(1)
firstnode=nodes[0]
nodes.pop(0)
with open(os.devnull, 'wb') as devnull:
xopen=subprocess.Popen(envlist + [confettypath, '-c', '/tmp/controlpath-{0}'.format(firstnode), '-m', '5', 'start', '/nodes/{0}/console/session'.format(firstnode) ] , stdin=devnull)
time.sleep(2)
s=socket.socket(socket.AF_UNIX)
winid=''
try:
s.connect('/tmp/controlpath-{firstnode}'.format(firstnode=firstnode))
s.recv(64)
s.send(b'GETWINID')
winid=s.recv(64).decode('utf-8')
except:
time.sleep(2)
# try to get id of first panel/xterm window using name
win=subprocess.Popen(['xwininfo', '-tree', '-root'], stdout=subprocess.PIPE)
wintr=win.communicate()[0]
for line in wintr.decode('utf-8').split('\n'):
if 'console: {firstnode}'.format(firstnode=firstnode) in line or 'confetty' in line:
win_obj = [ele for ele in line.split(' ') if ele.strip()]
winid = win_obj[0]
if winid:
firstnode_window=subprocess.Popen(['xwininfo', '-id', '{winid}'.format(winid=winid)], stdout=subprocess.PIPE)
xinfo=firstnode_window.communicate()[0]
xinfl = xinfo.decode('utf-8').split('\n')
for line in xinfl:
if 'Absolute upper-left X:' in line:
side_pad = int(line.split(':')[1])
elif 'Absolute upper-left Y:' in line:
top_pad = int(line.split(':')[1])
elif 'Width:' in line:
window_width = int(line.split(':')[1])
elif 'Height' in line:
window_height = int(line.split(':')[1])
elif '-geometry' in line:
l = re.split(' |x|-|\+', line)
l_nosp = [ele for ele in l if ele.strip()]
wmxo = int(l_nosp[1])
wmyo = int(l_nosp[2])
sizegeometry = str(wmxo) + 'x' + str(wmyo)
else:
pass
window_width += side_pad*2
window_height += side_pad+top_pad
screenwidth -= wmxo
screenheight -= wmyo
currx = window_width
curry = 0
maxcol = int(screenwidth/window_width)
for node in sortutil.natural_sort(nodes):
if options.tile and envlist[0] == 'xterm':
corrected_x = currx
corrected_y = curry
xgeometry = '{0}+{1}+{2}'.format(sizegeometry, corrected_x, corrected_y)
currx += window_width
if currx >= screenwidth:
currx=0
curry += window_height
if curry > screenheight:
curry =top_pad
if not envstring:
envlist= handle_geometry(envlist, sizegeometry, corrected_x, corrected_y)
else:
if g_index:
envlist[g_index+1] = xgeometry
elif envlist[0] == 'xterm':
envlist=handle_geometry(envlist, sizegeometry, side_pad, top_pad)
side_pad+=(side_pad+1)
top_pad+=(top_pad+30)
else:
pass
with open(os.devnull, 'wb') as devnull:
xopen=subprocess.Popen(envlist + [confettypath, '-c', '/tmp/controlpath-{0}'.format(node), '-m', '5', 'start', '/nodes/{0}/console/session'.format(node)] , stdin=devnull)
sys.exit(0)
#end of wcons
if options.tile:
null = open('/dev/null', 'w')
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
in_tmux = False
pane = 0
sessname = 'nodeconsole_{0}'.format(os.getpid())
if os.environ.get("TMUX"):
initial = False
in_tmux = True
subprocess.call(['tmux', 'rename-session', sessname])
for node in sortutil.natural_sort(nodes):
panename = '{0}:{1}'.format(sessname, pane)
if initial:
initial = False
subprocess.call(
['tmux', 'new-session', '-d', '-s',
sessname, '-x', '800', '-y',
'800', '{0} -m 5 start /nodes/{1}/console/session'.format(
confettypath, node)])
else:
subprocess.call(['tmux', 'select-pane', '-t', sessname])
subprocess.call(['tmux', 'set-option', '-t', panename, 'pane-border-status', 'top'], stderr=null)
subprocess.call(
['tmux', 'split', '-h', '-t', sessname,
'{0} -m 5 start /nodes/{1}/console/session'.format(
confettypath, node)])
subprocess.call(['tmux', 'select-layout', '-t', sessname, 'tiled'], stdout=null)
pane += 1
subprocess.call(['tmux', 'select-pane', '-t', sessname])
subprocess.call(['tmux', 'set-option', '-t', panename, 'pane-border-status', 'top'], stderr=null)
if not in_tmux:
os.execlp('tmux', 'tmux', 'attach', '-t', sessname)
else:
os.execl(confettypath, confettypath, 'start',
'/nodes/{0}/console/session'.format(args[0]))