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confluent/confluent_client/bin/nodeconsole
2025-08-05 08:39:18 -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 base64
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 select
import signal
import socket
import re
import tty
import termios
import fcntl
import confluent.screensqueeze as sq
try:
from PIL import Image, ImageDraw, ImageFont
except ImportError:
Image = None
try:
# sixel is optional, attempt to import but stub out if unavailable
import io
import sixel
class DumbWriter(sixel.SixelWriter):
def restore_position(self, output):
return
except ImportError:
class DumbWriter():
def draw(self, imgfile):
sys.stderr.write("PySixel not detected, Sixel format display not supported\n")
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('-s', '--screenshot', action='store_true', default=False,
help='Attempt to grab screenshot and render using kitty image protocol')
argparser.add_option('-i', '--interval', type='float',
help='Interval in seconds to redraw the screenshot. Currently only '
'works for one node')
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()
oldtcattr = None
oldfl = None
def get_coords():
sys.stdout.write('\x1b[6n') #
sys.stdout.flush()
gotreply = select.select([sys.stdin,], [], [], 0.250)[0]
if gotreply:
response = ''
while select.select([sys.stdin,], [], [], 0.1)[0] and 'R' not in response:
response += sys.stdin.read()
coords = response.replace('R', '').split('[')[1].split(';')
#sys.stdout.write('\x1b[{}:{}H'.format(*coords))
def direct_console():
global oldtcattr
global oldfl
oldtcattr = termios.tcgetattr(sys.stdin.fileno())
oldfl = fcntl.fcntl(sys.stdin.fileno(), fcntl.F_GETFL)
tty.setraw(sys.stdin.fileno())
fcntl.fcntl(sys.stdin.fileno(), fcntl.F_SETFL, oldfl | os.O_NONBLOCK)
def indirect_console():
fcntl.fcntl(sys.stdin.fileno(), fcntl.F_SETFL, oldfl & ~os.O_NONBLOCK)
termios.tcsetattr(sys.stdin.fileno(), termios.TCSANOW, oldtcattr)
def determine_tile_size(numnodes):
# for now, smash everything to a common aspect ratio. 16:11
# is pretty much wrong for everything, making 4:3 a bit too wide
# and 16:9 significantly too narrow, but it is serviceable
# An improvement could come with us owning the scaling
# instead of delegating to Kitty, which says if we specify both,
# we get stretching. In theory we should be able to get aspect correct
# from kitty by omitting, but:
# then we don't know how much to move the cursor left after draw_image
# Konsole won't scale at all with only partial scaling specified
cheight, cwidth, pixwidth, pixheight = sq.get_screengeom()
# 16:12 is to roughly account for the 'titles' of the tiles
ratio = (pixwidth / 16) / (pixheight / 12)
bestdeviation = None
bestdims = []
for i in range(1, numnodes + 1):
number = numnodes
while number % i != 0:
number += 1
columns = i
rows = number // i
deviation = abs(ratio - (columns / rows))
if bestdeviation is None:
bestdeviation = deviation
bestdims = [columns, rows]
elif deviation < bestdeviation:
bestdeviation = deviation
bestdims = [columns, rows]
# ok, the above algorithm can still pick things like
# 1 2 3
# 4
# So we will let it pick the number of rows, and
# then see if we can chop columns and still fit
while (bestdims[0] - 1) * bestdims[1] >= numnodes:
bestdims[0] = bestdims[0] - 1
cellswide = cwidth // bestdims[0]
cellshigh = cheight // bestdims[1]
tilewidth = cellswide * pixwidth / cwidth
tileheight = cellshigh * pixheight / cheight
if tilewidth > (tileheight * 16 / 11):
tilewidth = tileheight * 16 / 11
cellswide = int(tilewidth // (pixwidth / cwidth))
if tileheight > (tilewidth * 11 /16):
tileheight = tilewidth * 11 / 16
cellshigh = int(tileheight // (pixheight / cheight))
bestdims = bestdims + [cellswide, cellshigh, cellshigh * bestdims[1]]
# incur any scrolling we might get. This allows us to accurately
# save/restore cursor or even get coordinates without scrolling fouling
# the desired target
sys.stdout.write('\n' * bestdims[4])
sys.stdout.flush()
cursor_up(bestdims[4])
return bestdims
cursor_saved = False
def sticky_cursor():
global cursor_saved
# get cursor restore_position
if sys.stdin.isatty() and not cursor_saved:
try:
direct_console()
sys.stdout.write('\x1b7')
cursor_saved = True
finally:
indirect_console()
elif cursor_saved:
try:
direct_console()
sys.stdout.write('\x1b8')
finally:
indirect_console()
def cursor_up(count=1):
sys.stdout.write(f'\x1b[{count}A')
def cursor_down(count=1):
sys.stdout.write(f'\x1b[{count}B')
def cursor_right(count=1):
sys.stdout.write(f'\x1b[{count}C')
def cursor_left(count=1):
sys.stdout.write(f'\x1b[{count}D')
def cursor_save():
sys.stdout.write('\x1b7')
def cursor_restore():
sys.stdout.write('\x1b8')
def cursor_hide():
sys.stdout.write('\x1b[?25l')
def cursor_show():
sys.stdout.write('\x1b[?25h')
def get_pix_dimensions(width, height):
cheight, cwidth, pixwidth, pixheight = sq.get_screengeom()
imgwidth = int(pixwidth / cwidth * width)
imgheight = int(pixheight / cheight * height)
return imgwidth, imgheight
def draw_text(text, width, height):
if Image:
maxfntsize = 256
imgwidth, imgheight = get_pix_dimensions(width, height)
nerr = Image.new(mode='RGB', size=(imgwidth, imgheight), color='green')
nd = ImageDraw.Draw(nerr)
for txtpiece in text.split('\n'):
fntsize = 8
txtfont = ImageFont.truetype('DejaVuSans.ttf', size=fntsize)
while nd.textlength(txtpiece, font=txtfont) < int(imgwidth * 0.90):
fntsize += 1
txtfont = ImageFont.truetype('DejaVuSans.ttf', size=fntsize)
fntsize -= 1
if fntsize < maxfntsize:
maxfntsize = fntsize
hmargin = int(imgwidth * 0.05)
vmargin = int(imgheight * 0.10)
nd.text((hmargin, vmargin), text, font=txtfont)
nd.rectangle((0, 0, nerr.width - 1, nerr.height -1), outline='white')
outfile = io.BytesIO()
nerr.save(outfile, format='PNG')
data = base64.b64encode(outfile.getbuffer())
draw_image(data, width, height, doscale=False)
else:
sys.stdout.write(text)
cursor_left(len(text))
def draw_image(data, width, height, doscale=True):
imageformat = os.environ.get('CONFLUENT_IMAGE_PROTOCOL', 'kitty')
if doscale and Image and width:
bindata = base64.b64decode(data)
binfile = io.BytesIO()
binfile.write(bindata)
binfile.seek(0)
try:
img = Image.open(binfile)
except Exception as e:
errstr = 'Error rendering image:\n' + str(e)
return draw_text(errstr, width, height)
imgwidth, imgheight = get_pix_dimensions(width, height)
nimg = Image.new(mode='RGBA', size=(imgwidth, imgheight))
imgwidth -= 4
imgheight -= 4
hscalefact = imgwidth / img.width
vscalefact = imgheight / img.height
if hscalefact < vscalefact:
rzwidth = imgwidth
rzheight = int(img.height * hscalefact)
else:
rzwidth = int(img.width * vscalefact)
rzheight = imgheight
img = img.resize((rzwidth, rzheight))
nd = ImageDraw.Draw(nimg)
nd.rectangle((1, 1, rzwidth + 2, rzheight + 2), outline='black')
nd.rectangle((0, 0, rzwidth + 3, rzheight + 3), outline='white')
nimg.paste(img, box=(2, 2))
outfile = io.BytesIO()
nimg.save(outfile, format='PNG')
data = base64.b64encode(outfile.getbuffer())
if imageformat == 'sixel':
sixel_draw(data)
elif imageformat == 'iterm':
iterm_draw(data, width, height)
else:
kitty_draw(data, width, height)
def sixel_draw(data):
bindata = base64.b64decode(data)
binfile = io.BytesIO()
binfile.write(bindata)
binfile.seek(0)
DumbWriter().draw(binfile)
def iterm_draw(data, width, height):
if not height:
height = 'auto'
if not width:
width = 'auto'
bindata = base64.b64decode(data)
datalen = len(bindata)
sys.stdout.write(
'\x1b]1337;File=inline=1;width={};height={};size={}:'.format(width,height,datalen))
sys.stdout.write(data.decode('utf8'))
sys.stdout.write('\a')
sys.stdout.flush()
def kitty_draw(data, width, height):
preamble = '\x1b_Ga=T,f=100'
if height:
preamble += f',r={height},c={width}'
#sys.stdout.write(repr(preamble))
#sys.stdout.write('\xb[{}D'.format(len(repr(preamble))))
#return
first = True
while data:
chunk, data = data[:4096], data[4096:]
m = 1 if data else 0
if first:
sys.stdout.write('{},m={};'.format(preamble, m))
else:
sys.stdout.write('\x1b_Gm={};'.format(m))
sys.stdout.write(chunk.decode('utf8'))
sys.stdout.write('\x1b\\')
sys.stdout.flush()
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 prep_node_tile(node):
currcolcell, currrowcell = nodepositions[node]
if currcolcell:
cursor_right(currcolcell)
if currrowcell:
cursor_down(currrowcell)
sys.stdout.write('▏' + node)
cursor_left(len(node) + 1)
cursor_down()
def reset_cursor(node):
currcolcell, currrowcell = nodepositions[node]
if currcolcell:
cursor_left(currcolcell)
cursor_up(currrowcell + 1)
nodepositions = {}
numrows = 0
cwidth = 0
cheight = 0
imagedatabynode = {}
def redraw():
for node in imagedatabynode:
imgdata = imagedatabynode[node]
if node in nodepositions:
prep_node_tile(node)
cursor_save()
else:
if options.interval is not None:
if node != firstnodename:
sys.stderr.write('Multiple nodes not supported for interval')
sys.exit(1)
sticky_cursor()
sys.stdout.write('{}: '.format(node))
# one row is used by our own name, so cheight - 1 for that allowance
draw_image(imgdata.encode(), cwidth, cheight - 1 if cheight else cheight)
if node in nodepositions:
cursor_restore()
reset_cursor(node)
else:
sys.stdout.write('\n')
sys.stdout.flush()
resized = False
def do_screenshot():
global resized
global numrows
sess = client.Command()
if options.tile:
imageformat = os.environ.get('CONFLUENT_IMAGE_PROTOCOL', 'kitty')
if imageformat not in ('kitty', 'iterm'):
sys.stderr.write('Tiled screenshots only supported with kitty or iterm protocol')
sys.exit(1)
allnodes = []
numnodes = 0
for res in sess.read('/noderange/{}/nodes/'.format(args[0])):
allnodes.append(res['item']['href'].replace('/', ''))
numnodes += 1
resized = False
def do_resize(a=None, b=None):
global resized
if a:
resized = True
# on a window resize, clear the old stuff
# ideally we'd retain the images and redraw them
sys.stdout.write('\x1bc')
global numrows
global cwidth
global cheight
cols, rows, cwidth, cheight, numrows = determine_tile_size(numnodes)
currcol = 1
currcolcell = 0
currrowcell = 0
for node in allnodes:
nodepositions[node] = currcolcell, currrowcell
if currcol < cols:
currcol += 1
currcolcell += cwidth
else:
currcol = 1
currcolcell = 0
currrowcell += cheight
if a:
redraw()
do_resize()
signal.signal(signal.SIGWINCH, do_resize)
elif options.interval is not None:
sys.stdout.write('\x1bc')
firstnodename = None
dorefresh = True
vnconly = set([])
while dorefresh:
for res in sess.read('/noderange/{}/console/ikvm_screenshot'.format(args[0])):
for node in res.get('databynode', {}):
errorstr = ''
if not firstnodename:
firstnodename = node
error = res['databynode'][node].get('error')
if error and 'vnc available' in error:
vnconly.add(node)
continue
elif error:
errorstr = error
imgdata = res['databynode'][node].get('image', {}).get('imgdata', None)
if imgdata:
if len(imgdata) < 32: # We were subjected to error
errorstr = f'Unable to get screenshot'
if errorstr or imgdata:
draw_node(node, imgdata, errorstr, firstnodename, cwidth, cheight)
if asyncvnc:
urlbynode = {}
for node in vnconly:
for res in sess.update(f'/nodes/{node}/console/ikvm', {'method': 'unix'}):
url = res.get('item', {}).get('href')
if url:
urlbynode[node] = url
draw_vnc_grabs(urlbynode, cwidth, cheight)
if resized:
do_resize(True)
resized = False
elif vnconly:
sys.stderr.write("Require asyncvnc installed to do VNC screenshotting\n")
if options.interval is None:
dorefresh = False
else:
dorefresh = True
time.sleep(options.interval)
sys.exit(0)
try:
import asyncio, asyncvnc
except ImportError:
asyncvnc = None
def draw_vnc_grabs(urlbynode, cwidth, cheight):
asyncio.run(grab_vncs(urlbynode, cwidth, cheight))
async def grab_vncs(urlbynode, cwidth, cheight):
tasks = []
for node in urlbynode:
url = urlbynode[node]
tasks.append(asyncio.create_task(do_vnc_screenshot(node, url, cwidth, cheight)))
await asyncio.gather(*tasks)
async def my_opener(host, port):
# really, host is the unix
return await asyncio.open_unix_connection(host)
async def do_vnc_screenshot(node, url, cwidth, cheight):
async with asyncvnc.connect(url, opener=my_opener) as client:
# Retrieve pixels as a 3D numpy array
pixels = await client.screenshot()
# Save as PNG using PIL/pillow
image = Image.fromarray(pixels)
outfile = io.BytesIO()
image.save(outfile, format='PNG')
imgdata = base64.b64encode(outfile.getbuffer()).decode()
if imgdata:
draw_node(node, imgdata, '', '', cwidth, cheight)
def draw_node(node, imgdata, errorstr, firstnodename, cwidth, cheight):
imagedatabynode[node] = imgdata
if node in nodepositions:
prep_node_tile(node)
cursor_save()
else:
if options.interval is not None:
if node != firstnodename:
sys.stderr.write('Multiple nodes not supported for interval')
sys.exit(1)
sticky_cursor()
sys.stdout.write('{}: '.format(node))
# one row is used by our own name, so cheight - 1 for that allowance
if errorstr:
draw_text(errorstr, cwidth, cheight -1 if cheight else cheight)
else:
draw_image(imgdata.encode(), cwidth, cheight - 1 if cheight else cheight)
if node in nodepositions:
cursor_restore()
reset_cursor(node)
else:
sys.stdout.write('\n')
sys.stdout.flush()
if options.screenshot:
try:
cursor_hide()
do_screenshot()
except KeyboardInterrupt:
pass
finally:
cursor_show()
cursor_down(numrows)
sys.stdout.write('\n')
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(noderange)):
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:
command = "ps auxww | grep {0} | grep console | egrep '\\b{1}\\b' | grep -v grep | awk '{{print $2}}'".format(envstring, node)
process = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = process.communicate()
try:
process_id = stdout.decode('utf-8').split()[0]
except IndexError:
sys.stderr.write(node + ": console window not found \n")
continue
subprocess.Popen(["kill", process_id], 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
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 + window_width >= 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]))