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qtop.py
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qtop.py
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#!/usr/bin/env python
################################################
# qtop #
# Licensed under MIT license #
# Sotiris Fragkiskos #
# Fotis Georgatos #
################################################
import sys
here = sys.path[0]
from operator import itemgetter
from itertools import izip, izip_longest, cycle
import subprocess
import select
import os
import re
import json
import datetime
try:
from collections import namedtuple, OrderedDict, Counter
except ImportError:
from qtop_py.legacy.namedtuple import namedtuple
from qtop_py.legacy.ordereddict import OrderedDict
from qtop_py.legacy.counter import Counter
import os
from os.path import realpath
from signal import signal, SIGPIPE, SIG_DFL
import termios
import contextlib
import glob
import tempfile
import sys
import logging
from qtop_py.constants import (SYSTEMCONFDIR, QTOPCONF_YAML, QTOP_LOGFILE, USERPATH, MAX_CORE_ALLOWED,
MAX_UNIX_ACCOUNTS, KEYPRESS_TIMEOUT, FALLBACK_TERMSIZE)
from qtop_py import fileutils
from qtop_py import utils
from qtop_py.plugins import *
from math import ceil
from qtop_py.colormap import user_to_color_default, color_to_code, queue_to_color, nodestate_to_color_default
import qtop_py.yaml_parser as yaml
from qtop_py.ui.viewport import Viewport
from qtop_py.serialiser import GenericBatchSystem
from qtop_py.web import Web
from qtop_py import __version__
import time
# TODO make the following work with py files instead of qtop.colormap files
# if not options.COLORFILE:
# options.COLORFILE = os.path.expandvars('$HOME/qtop/qtop/qtop.colormap')
def compress_colored_line(s):
## TODO: black sheep
t = [item for item in re.split(r'\x1b\[0;m', s) if item != '']
sts = []
st = []
colors = []
prev_code = t[0][:-1]
colors.append(prev_code)
for idx, code_letter in enumerate(t):
code, letter = code_letter[:-1], code_letter[-1]
if prev_code == code:
st.append(letter)
else:
sts.append(st)
st = []
st.append(letter)
colors.append(code)
prev_code = code
sts.append(st)
final_t = []
for color, seq in zip(colors, sts):
final_t.append(color + "".join(seq) + '\x1b[0;m')
return "".join(final_t)
def gauge_core_vectors(core_user_map, print_char_start, print_char_stop, coreline_notthere_or_unused, non_existent_symbol,
remove_corelines):
"""
generator that loops over each core user vector and yields a boolean stating whether the core vector can be omitted via
REM_EMPTY_CORELINES or its respective switch
"""
delta = print_char_stop - print_char_start
for ind, k in enumerate(core_user_map):
core_x_vector = core_user_map['Core' + str(ind) + 'vector'][print_char_start:print_char_stop]
core_x_str = ''.join(str(x) for x in core_x_vector)
yield core_x_vector, ind, k, coreline_notthere_or_unused(non_existent_symbol, remove_corelines, delta, core_x_str)
def get_date_obj_from_str(s, now):
"""
Expects string s to be in either of the following formats:
yyyymmddTHHMMSS, e.g. 20161118T182300
HHMM, e.g. 1823 (current day is implied)
mmddTHHMM, e.g. 1118T1823 (current year is implied)
If it's in format #3, the the current year is assumed.
If it's in format #2, either the current or the previous day is assumed,
depending on whether the time provided is future or past.
Optional ":/-" separators are also accepted between pretty much anywhere.
returns a datetime object
"""
s = ''.join([x for x in s if x not in ':/-'])
if 'T' in s and len(s) == 15:
inp_datetime = datetime.datetime.strptime(s, "%Y%m%dT%H%M%S")
elif len(s) == 4:
_inp_datetime = datetime.datetime.strptime(s, "%H%M")
_inp_datetime = now.replace(hour=_inp_datetime.hour, minute=_inp_datetime.minute, second=0)
inp_datetime = _inp_datetime if now > _inp_datetime else _inp_datetime.replace(day=_inp_datetime.day-1)
elif len(s) == 9:
_inp_datetime = datetime.datetime.strptime(s, "%m%dT%H%M")
inp_datetime = _inp_datetime.replace(year=now.year, second=0)
else:
logging.critical('The datetime format provided is incorrect.\n'
'Try one of the formats: yyyymmddTHHMMSS, HHMM, mmddTHHMM.')
return inp_datetime
@contextlib.contextmanager
def raw_mode(file):
"""
Simple key listener implementation
Taken from http://stackoverflow.com/questions/11918999/key-listeners-in-python/11919074#11919074
Exits program with ^C or ^D
"""
if options.ONLYSAVETOFILE:
yield
else:
if options.WATCH:
try:
old_attrs = termios.tcgetattr(file.fileno())
except:
yield
else:
new_attrs = old_attrs[:]
new_attrs[3] = new_attrs[3] & ~(termios.ECHO | termios.ICANON)
try:
termios.tcsetattr(file.fileno(), termios.TCSADRAIN, new_attrs)
yield
finally:
termios.tcsetattr(file.fileno(), termios.TCSADRAIN, old_attrs)
else:
yield
def load_yaml_config():
"""
Loads ./QTOPCONF_YAML into a dictionary and then tries to update the dictionary
with the same-named conf file found in:
/env
$HOME/.local/qtop/
in that order.
"""
# TODO: conversion to int should be handled internally in native yaml parser
# TODO: fix_config_list should be handled internally in native yaml parser
config = yaml.parse(os.path.join(realpath(QTOPPATH), QTOPCONF_YAML))
logging.info('Default configuration dictionary loaded. Length: %s items' % len(config))
try:
config_env = yaml.parse(os.path.join(SYSTEMCONFDIR, QTOPCONF_YAML))
except IOError:
config_env = {}
logging.info('%s could not be found in %s/' % (QTOPCONF_YAML, SYSTEMCONFDIR))
else:
logging.info('Env %s found in %s/' % (QTOPCONF_YAML, SYSTEMCONFDIR))
logging.info('Env configuration dictionary loaded. Length: %s items' % len(config_env))
try:
config_user = yaml.parse(os.path.join(USERPATH, QTOPCONF_YAML))
except IOError:
config_user = {}
logging.info('User %s could not be found in %s/' % (QTOPCONF_YAML, USERPATH))
else:
logging.info('User %s found in %s/' % (QTOPCONF_YAML, USERPATH))
logging.info('User configuration dictionary loaded. Length: %s items' % len(config_user))
config.update(config_env)
config.update(config_user)
if options.CONFFILE:
try:
config_user_custom = yaml.parse(os.path.join(USERPATH, options.CONFFILE))
except IOError:
try:
config_user_custom = yaml.parse(os.path.join(CURPATH, options.CONFFILE))
except IOError:
config_user_custom = {}
logging.info('Custom User %s could not be found in %s/ or current dir' % (options.CONFFILE, CURPATH))
else:
logging.info('Custom User %s found in %s/' % (QTOPCONF_YAML, CURPATH))
logging.info('Custom User configuration dictionary loaded. Length: %s items' % len(config_user_custom))
else:
logging.info('Custom User %s found in %s/' % (QTOPCONF_YAML, USERPATH))
logging.info('Custom User configuration dictionary loaded. Length: %s items' % len(config_user_custom))
config.update(config_user_custom)
logging.info('Updated main dictionary. Length: %s items' % len(config))
config['possible_ids'] = list(config['possible_ids'])
symbol_map = dict([(chr(x), x) for x in range(33, 48) + range(58, 64) + range(91, 96) + range(123, 126)])
if config['user_color_mappings']:
user_to_color = user_to_color_default.copy()
[user_to_color.update(d) for d in config['user_color_mappings']]
else:
config['user_color_mappings'] = list()
if config['nodestate_color_mappings']:
nodestate_to_color = nodestate_to_color_default.copy()
[nodestate_to_color.update(d) for d in config['nodestate_color_mappings']]
else:
config['nodestate_color_mappings'] = list()
if config['remapping']:
pass
else:
config['remapping'] = list()
for symbol in symbol_map:
config['possible_ids'].append(symbol)
_savepath = os.path.realpath(os.path.expandvars(config['savepath']))
if not os.path.exists(_savepath):
fileutils.mkdir_p(_savepath)
logging.debug('Directory %s created.' % _savepath)
else:
logging.debug('%s files will be saved in directory %s.' % (config['scheduler'], _savepath))
config['savepath'] = _savepath
for key in ('transpose_wn_matrices',
'fill_with_user_firstletter',
'faster_xml_parsing',
'vertical_separator_every_X_columns',
'overwrite_sample_file'):
config[key] = eval(config[key]) # TODO config should not be writeable!!
config['sorting']['reverse'] = eval(config['sorting'].get('reverse', "0")) # TODO config should not be writeable!!
config['ALT_LABEL_COLORS'] = yaml.fix_config_list(config['workernodes_matrix'][0]['wn id lines']['alt_label_colors'])
config['SEPARATOR'] = config['vertical_separator'].translate(None, "'")
config['USER_CUT_MATRIX_WIDTH'] = int(config['workernodes_matrix'][0]['wn id lines']['user_cut_matrix_width'])
return config, user_to_color, nodestate_to_color
def calculate_term_size(config, FALLBACK_TERM_SIZE):
"""
Gets the dimensions of the terminal window where qtop will be displayed.
"""
fallback_term_size = config.get('term_size', FALLBACK_TERM_SIZE)
_command = subprocess.Popen('stty size', stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
tty_size, error = _command.communicate()
if not error:
term_height, term_columns = [int(x) for x in tty_size.strip().split()]
logging.debug('terminal size v, h from "stty size": %s, %s' % (term_height, term_columns))
else:
logging.warn("Failed to autodetect terminal size. (Running in an IDE?in a pipe?) Trying values in %s." % QTOPCONF_YAML)
try:
term_height, term_columns = viewport.get_term_size()
if not all(term_height, term_columns):
raise ValueError
except ValueError:
try:
term_height, term_columns = yaml.fix_config_list(viewport.get_term_size())
except KeyError:
term_height, term_columns = fallback_term_size
logging.debug('(hardcoded) fallback terminal size v, h:%s, %s' % (term_height, term_columns))
else:
logging.debug('fallback terminal size v, h:%s, %s' % (term_height, term_columns))
except (KeyError, TypeError): # TypeError if None was returned i.e. no setting in QTOPCONF_YAML
term_height, term_columns = fallback_term_size
logging.debug('(hardcoded) fallback terminal size v, h:%s, %s' % (term_height, term_columns))
return int(term_height), int(term_columns)
def finalize_filepaths_schedulercommands(options, config):
"""
returns a dictionary with contents of the form
{fn : (filepath, schedulercommand)}, e.g.
{'pbsnodes_file': ('savepath/pbsnodes_a.txt', 'pbsnodes -a')}
if the -s switch (set sourcedir) has been invoked, or
{'pbsnodes_file': ('savepath/pbsnodes_a<some_pid>.txt', 'pbsnodes -a')}
if ran without the -s switch.
"""
d = dict()
fn_append = "_" + str(os.getpid()) if not options.SOURCEDIR else ""
for fn, path_command in config['schedulers'][scheduler].items():
path, command = path_command.strip().split(', ')
path = path % {"savepath": options.workdir, "pid": fn_append}
command = command % {"savepath": options.workdir}
d[fn] = (path, command)
return d
def auto_get_avail_batch_system(config):
"""
If the auto option is set in either env variable QTOP_SCHEDULER, QTOPCONF_YAML or in cmdline switch -b,
qtop tries to determine which of the known batch commands are available in the current system.
"""
# TODO pbsnodes etc should not be hardcoded!
for (system, batch_command) in config['signature_commands'].items():
NOT_FOUND = subprocess.call(['which', batch_command], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if not NOT_FOUND:
if system != 'demo':
logging.debug('Auto-detected scheduler: %s' % system)
return system
raise SchedulerNotSpecified
def execute_shell_batch_commands(batch_system_commands, filenames, _file, _savepath):
"""
scheduler-specific commands are invoked from the shell and their output is saved *atomically* to files,
as defined by the user in QTOPCONF_YAML
"""
_batch_system_command = batch_system_commands[_file].strip()
with tempfile.NamedTemporaryFile('w', dir=_savepath, delete=False) as fin:
logging.debug('Command: "%s" -- result will be saved in: %s' % (_batch_system_command, filenames[_file]))
logging.debug('\tFile state before subprocess call: %(fin)s' % {"fin": fin})
logging.debug('\tWaiting on subprocess.call...')
command = subprocess.Popen(_batch_system_command, stdout=fin, stderr=subprocess.PIPE, shell=True)
error = command.communicate()[1]
command.wait()
if error:
logging.exception('A message from your shell: %s' % error)
logging.critical('%s could not be executed. Maybe try "module load %s"?' % (_batch_system_command, scheduler))
web.stop()
sys.exit(1)
tempname = fin.name
logging.debug('File state after subprocess call: %(fin)s' % {"fin": fin})
os.rename(tempname, filenames[_file])
return filenames[_file]
def get_detail_of_name(account_jobs_table):
"""
Reads file $HOME/.local/qtop/getent_passwd.txt or whatever is put in QTOPCONF_YAML
and extracts the fullname of the users. This shall be printed in User Accounts
and Pool Mappings.
"""
extract_info = config.get('extract_info', None)
if not extract_info:
return dict()
sep = ':'
field_idx = int(extract_info.get('field_to_use', 5))
regex = extract_info.get('regex', None)
if options.GET_GECOS:
users = ' '.join([line[4] for line in account_jobs_table])
passwd_command = extract_info.get('user_details_realtime') % users
passwd_command = passwd_command.split()
else:
passwd_command = extract_info.get('user_details_cache').split()
passwd_command[-1] = os.path.expandvars(passwd_command[-1])
try:
p = subprocess.Popen(passwd_command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
except OSError:
logging.critical('\nCommand "%s" could not be found in your system. \nEither remove -G switch or modify the command in '
'qtopconf.yaml (value of key: %s).\nExiting...' % (colorize(passwd_command[0], color_func='Red_L'),
'user_details_realtime'))
sys.exit(0)
else:
output, err = p.communicate("something here")
if 'No such file or directory' in err:
logging.warn('You have to set a proper command to get the passwd file in your %s file.' % QTOPCONF_YAML)
logging.warn('Error returned by getent: %s\nCommand issued: %s' % (err, passwd_command))
detail_of_name = dict()
for line in output.split('\n'):
try:
user, field = line.strip().split(sep)[0:field_idx:field_idx - 1]
except ValueError:
break
else:
try:
detail = eval(regex)
except (AttributeError, TypeError):
detail = field.strip()
finally:
detail_of_name[user] = detail
return detail_of_name
def get_input_filenames(INPUT_FNs_commands, config):
"""
If the user didn't specify --via the -s switch-- a dir where ready-made data files already exist,
the appropriate batch commands are executed, as indicated in QTOPCONF,
and results are saved with the respective filenames.
"""
filenames = dict()
batch_system_commands = dict()
for _file in INPUT_FNs_commands:
filenames[_file], batch_system_commands[_file] = INPUT_FNs_commands[_file]
if not options.SOURCEDIR:
_savepath = os.path.realpath(os.path.expandvars(config['savepath']))
filenames[_file] = execute_shell_batch_commands(batch_system_commands, filenames, _file, _savepath)
if not os.path.isfile(filenames[_file]):
raise fileutils.FileNotFound(filenames[_file])
return filenames
def get_key_val_from_option_string(string):
key, val = string.split('=')
return key, val
def check_python_version():
try:
assert sys.version_info[0] == 2
assert sys.version_info[1] in (6,7)
except AssertionError:
logging.critical("Only python versions 2.6.x and 2.7.x are supported. Exiting")
web.stop()
sys.exit(1)
def control_qtop(viewport, read_char, cluster, new_attrs):
"""
Basic vi-like movement is implemented for the -w switch (linux watch-like behaviour for qtop).
h, j, k, l for left, down, up, right, respectively.
Both g/G and Shift+j/k go to top/bottom of the matrices
0 and $ go to far left/right of the matrix, respectively.
r resets the screen to its initial position (if you've drifted away from the vieweable part of a matrix).
q quits qtop.
"""
pressed_char_hex = '%02x' % ord(read_char) # read_char has an initial value that resets the display ('72')
if pressed_char_hex in ['6a', '20']: # j, spacebar
logging.debug('v_start: %s' % viewport.v_start)
if viewport.scroll_down():
# TODO make variable for **s, maybe factorize whole print line
print '%s Going down...' % colorize('***', 'Green_L')
else:
print '%s Staying put' % colorize('***', 'Green_L')
elif pressed_char_hex in ['6b', '7f']: # k, Backspace
if viewport.scroll_up():
print '%s Going up...' % colorize('***', 'Green_L')
else:
print '%s Staying put' % colorize('***', 'Green_L')
elif pressed_char_hex in ['6c']: # l
print '%s Going right...' % colorize('***', 'Green_L')
viewport.scroll_right()
elif pressed_char_hex in ['24']: # $
print '%s Going far right...' % colorize('***', 'Green_L')
viewport.scroll_far_right()
logging.info('h_start: %s' % viewport.h_start)
logging.info('max_line_len: %s' % max_line_len)
logging.info('config["term_size"][1] %s' % viewport.h_term_size)
logging.info('h_stop: %s' % viewport.h_stop)
elif pressed_char_hex in ['68']: # h
print '%s Going left...' % colorize('***', 'Green_L')
viewport.scroll_left()
elif pressed_char_hex in ['30']: # 0
print '%s Going far left...' % colorize('***', 'Green_L')
viewport.scroll_far_left()
elif pressed_char_hex in ['4a', '47']: # S-j, G
logging.debug('v_start: %s' % viewport.v_start)
if viewport.scroll_bottom():
print '%s Going to the bottom...' % colorize('***', 'Green_L')
else:
print '%s Staying put' % colorize('***', 'Green_L')
elif pressed_char_hex in ['4b', '67']: # S-k, g
print '%s Going to the top...' % colorize('***', 'Green_L')
logging.debug('v_start: %s' % viewport.v_start)
viewport.scroll_top()
elif pressed_char_hex in ['52']: # R
print '%s Resetting display...' % colorize('***', 'Green_L')
viewport.reset_display()
elif pressed_char_hex in ['74']: # t
print '%s Transposing matrix...' % colorize('***', 'Green_L')
dynamic_config['transpose_wn_matrices'] = not dynamic_config.get('transpose_wn_matrices',
config['transpose_wn_matrices'])
viewport.reset_display()
elif pressed_char_hex in ['6d']: # m
new_mapping, msg = change_mapping.next()
dynamic_config['core_coloring'] = new_mapping
print '%s Changing to %s' % (colorize('***', 'Green_L'), msg)
elif pressed_char_hex in ['71']: # q
print colorize('\nExiting. Thank you for ..watching ;)\n', 'Cyan_L')
web.stop()
sys.exit(0)
elif pressed_char_hex in ['46']: # F
dynamic_config['force_names'] = not dynamic_config['force_names']
print '%s Toggling full-name/incremental nr WN labels' % colorize('***', 'Green_L')
elif pressed_char_hex in ['73']: # s
sort_map = OrderedDict()
sort_map['0'] = ("sort reset", [])
sort_map['1'] = ("sort by nodename-notnum", [])
sort_map['2'] = ("sort by nodename-notnum length", [])
sort_map['3'] = ("sort by all numbers", [])
sort_map['4'] = ("sort by first letter", [])
sort_map['5'] = ("sort by node state", [])
sort_map['6'] = ("sort by nr of cores", [])
sort_map['7'] = ("sort by core occupancy", [])
sort_map['8'] = ("sort by custom definition", [])
custom_choice = '8'
print 'Type in sort order. This can be a single number or a sequence of numbers,\n' \
'e.g. to sort first by first word, then by all numbers then by first name length, type 132, then <enter>.'
for nr, sort_method in sort_map.items():
print '(%s): %s' % (colorize(nr, color_func='Red_L'), sort_method[0])
new_attrs[3] = new_attrs[3] & ~(termios.ECHO | termios.ICANON)
termios.tcsetattr(sys.__stdin__.fileno(), termios.TCSADRAIN, old_attrs)
dynamic_config['user_sort'] = []
while True:
sort_choice = raw_input('\nChoose sorting order, or Enter to exit:-> ', )
if not sort_choice:
break
if custom_choice in sort_choice:
custom = raw_input('\nType in custom sorting (python RegEx, for examples check configuration file): ')
sort_map[custom_choice][1].append(custom)
try:
sort_order = [m for m in sort_choice]
except ValueError:
break
else:
if not set(sort_order).issubset(set(sort_map.keys())):
continue
sort_args = [sort_map[i] for i in sort_order]
dynamic_config['user_sort'] = sort_args
break
termios.tcsetattr(sys.__stdin__.fileno(), termios.TCSADRAIN, new_attrs)
viewport.reset_display()
elif pressed_char_hex in ['66']: # f
cluster.wn_filter = cluster.WNFilter(cluster.worker_nodes)
filter_map = {
1: 'exclude_node_states',
2: 'exclude_numbers',
3: 'exclude_name_patterns',
4: 'or_include_node_states',
5: 'or_include_numbers',
6: 'or_include_name_patterns',
7: 'include_node_states',
8: 'include_numbers',
9: 'include_name_patterns',
10: 'include_queues'
}
print 'Filter out nodes by:\n%(one)s state %(two)s number' \
' %(three)s name substring or RegEx pattern' % {
'one': colorize("(1)", color_func='Red_L'),
'two': colorize("(2)", color_func='Red_L'),
'three': colorize("(3)", color_func='Red_L'),
}
print 'Filter in nodes by:\n(any) %(four)s state %(five)s number %(six)s name substring or RegEx pattern\n' \
'(all) %(seven)s state %(eight)s number %(nine)s name substring or RegEx pattern %(ten)s queue' \
% {'four': colorize("(4)", color_func='Red_L'),
'five': colorize("(5)", color_func='Red_L'),
'six': colorize("(6)", color_func='Red_L'),
'seven': colorize("(7)", color_func='Red_L'),
'eight': colorize("(8)", color_func='Red_L'),
'nine': colorize("(9)", color_func='Red_L'),
'ten': colorize("(10)", color_func='Red_L'),
}
new_attrs[3] = new_attrs[3] & ~(termios.ECHO | termios.ICANON)
termios.tcsetattr(sys.__stdin__.fileno(), termios.TCSADRAIN, old_attrs)
dynamic_config['filtering'] = []
while True:
filter_choice = raw_input('\nChoose Filter command, or Enter to exit:-> ',)
if not filter_choice:
break
try:
filter_choice = int(filter_choice)
except ValueError:
break
else:
if filter_choice not in filter_map:
break
filter_args = []
while True:
user_input = raw_input('\nEnter argument, or Enter to exit:-> ')
if not user_input:
break
filter_args.append(user_input)
dynamic_config['filtering'].append({filter_map[filter_choice]: filter_args})
termios.tcsetattr(sys.__stdin__.fileno(), termios.TCSADRAIN, new_attrs)
viewport.reset_display()
elif pressed_char_hex in ['48']: # H
cluster.wn_filter = cluster.WNFilter(cluster.worker_nodes)
filter_map = {
1: 'or_include_user_id',
2: 'or_include_user_pat',
3: 'or_include_queue',
4: 'include_user_id',
5: 'include_user_pat',
6: 'include_queue',
}
print 'Highlight cores by:\n' \
'(any) %(one)s userID %(two)s user name (regex) %(three)s queue\n' \
'(all) %(four)s userID %(five)s user name (regex) %(six)s queue' \
% {'one': colorize("(1)", color_func='Red_L'),
'two': colorize("(2)", color_func='Red_L'),
'three': colorize("(3)", color_func='Red_L'),
'four': colorize("(4)", color_func='Red_L'),
'five': colorize("(5)", color_func='Red_L'),
'six': colorize("(6)", color_func='Red_L'),
}
new_attrs[3] = new_attrs[3] & ~(termios.ECHO | termios.ICANON)
termios.tcsetattr(sys.__stdin__.fileno(), termios.TCSADRAIN, old_attrs)
dynamic_config['highlight'] = []
while True:
filter_choice = raw_input('\nChoose Highlight command, or Enter to exit:-> ',)
if not filter_choice:
break
try:
filter_choice = int(filter_choice)
except ValueError:
break
else:
if filter_choice not in filter_map:
break
filter_args = []
while True:
user_input = raw_input('\nEnter argument, or Enter to exit:-> ')
if not user_input:
break
filter_args.append(user_input)
dynamic_config['highlight'].append({filter_map[filter_choice]: filter_args})
termios.tcsetattr(sys.__stdin__.fileno(), termios.TCSADRAIN, new_attrs)
viewport.reset_display()
elif pressed_char_hex in ['3f']: # ?
viewport.reset_display()
print '%s opening help...' % colorize('***', 'Green_L')
if not h_counter.next() % 2: # enter helpfile
dynamic_config['output_fp'] = help_main_switch[0]
else: # exit helpfile
del dynamic_config['output_fp']
elif pressed_char_hex in ['72']: # r
logging.debug('toggling corelines displayed')
dynamic_config['rem_empty_corelines'] = (dynamic_config.get('rem_empty_corelines', config['rem_empty_corelines']) +1) %3
if dynamic_config['rem_empty_corelines'] == 1:
print '%s Hiding not-really-there ("#") corelines' % colorize('***', 'Green_L')
elif dynamic_config['rem_empty_corelines'] == 2:
print '%s Hiding all unused ("#" and "_") corelines' % colorize('***', 'Green_L')
else:
print '%s Showing all corelines' % colorize('***', 'Green_L')
logging.debug('dynamic config corelines: %s' % dynamic_config['rem_empty_corelines'])
logging.debug('Area Displayed: (h_start, v_start) --> (h_stop, v_stop) '
'\n\t(%(h_start)s, %(v_start)s) --> (%(h_stop)s, %(v_stop)s)' %
{'v_start': viewport.v_start, 'v_stop': viewport.v_stop,
'h_start': viewport.h_start, 'h_stop': viewport.h_stop})
def fetch_scheduler_files(options, config):
INPUT_FNs_commands = finalize_filepaths_schedulercommands(options, config)
scheduler_output_filenames = get_input_filenames(INPUT_FNs_commands, config)
return scheduler_output_filenames
def decide_batch_system(cmdline_switch, env_var, config_file_batch_option, schedulers, available_batch_systems, config):
"""
Qtop first checks in cmdline switches, environmental variables and the config files, in this order,
for the scheduler type. If it's not indicated and "auto" is, it will attempt to guess the scheduler type
from the scheduler shell commands available in the linux system.
"""
avail_systems = available_batch_systems.keys() + ['auto']
if cmdline_switch and cmdline_switch.lower() not in avail_systems:
logging.critical("Selected scheduler system not supported. Available choices are %s." % ", ".join(avail_systems))
logging.critical("For help, try ./qtop.py --help")
logging.critical("Log file created in %s" % os.path.expandvars(QTOP_LOGFILE))
raise InvalidScheduler
for scheduler in (cmdline_switch, env_var, config_file_batch_option):
if scheduler is None:
continue
scheduler = scheduler.lower()
if scheduler == 'auto':
scheduler = auto_get_avail_batch_system(config)
logging.debug('Selected scheduler is %s' % scheduler)
return scheduler
elif scheduler in schedulers:
logging.info('User-selected scheduler: %s' % scheduler)
return scheduler
elif scheduler and scheduler not in schedulers: # a scheduler that does not exist is inputted
raise NoSchedulerFound
else:
raise NoSchedulerFound
def get_output_size(max_line_len, output_fp, max_height=0):
"""
Returns the char dimensions of the entirety of the qtop output file
"""
ansi_escape = re.compile(r'\x1b[^m]*m') # matches ANSI escape characters
if not max_height:
with open(output_fp, 'r') as f:
max_height = len(f.readlines())
if not max_height:
raise ValueError("There is no output from qtop *whatsoever*. Weird.")
max_line_len = max(len(ansi_escape.sub('', line.strip())) for line in open(output_fp, 'r')) \
if not max_line_len else max_line_len
logging.debug('Total nr of lines: %s' % max_height)
logging.debug('Max line length: %s' % max_line_len)
return max_height, max_line_len
def update_config_with_cmdline_vars(options, config):
config['rem_empty_corelines'] = int(config['rem_empty_corelines'])
for opt in options.OPTION:
key, val = get_key_val_from_option_string(opt)
val = eval(val) if ('True' in val or 'False' in val) else val
config[key] = val
if options.TRANSPOSE:
config['transpose_wn_matrices'] = not config['transpose_wn_matrices']
if options.REM_EMPTY_CORELINES:
config['rem_empty_corelines'] += options.REM_EMPTY_CORELINES
return config
def attempt_faster_xml_parsing(config):
if config['faster_xml_parsing']:
try:
from lxml import etree
except ImportError:
logging.warn('Module lxml is missing. Try issuing "pip install lxml". Reverting to xml module.')
from xml.etree import ElementTree as etree
def init_dirs(options, _savepath):
options.SOURCEDIR = realpath(options.SOURCEDIR) if options.SOURCEDIR else None
logging.debug("User-defined source directory: %s" % options.SOURCEDIR)
options.workdir = options.SOURCEDIR or _savepath
logging.debug('Working directory is now: %s' % options.workdir)
os.chdir(options.workdir)
return options
def wait_for_keypress_or_autorefresh(viewport, FALLBACK_TERMSIZE, KEYPRESS_TIMEOUT=1):
"""
This will make qtop wait for user input for a while,
otherwise it will auto-refresh the display
"""
_read_char = 'R' # initial value, resets view position to beginning
while sys.stdin in select.select([sys.stdin], [], [], KEYPRESS_TIMEOUT)[0]:
_read_char = sys.stdin.read(1)
if _read_char:
logging.debug('Pressed %s' % _read_char)
break
else:
state = viewport.get_term_size()
viewport.set_term_size(*calculate_term_size(config, FALLBACK_TERMSIZE))
new_state = viewport.get_term_size()
_read_char = '\n' if (state == new_state) else 'r'
logging.debug("Auto-advancing by pressing <Enter>")
return _read_char
def assign_color_to_each_qname(worker_nodes):
for worker_node in worker_nodes:
worker_node['qname'] = [q[0] for q in worker_node['qname']]
def keep_queue_initials_only_and_colorize(worker_nodes, queue_to_color):
# TODO remove monstrosity!
for worker_node in worker_nodes:
color_q_list = []
for queue in worker_node['qname']:
color_q = utils.ColorStr(queue, color=queue_to_color.get(queue, ''))
color_q_list.append(color_q)
worker_node['qname'] = color_q_list
return worker_nodes
def colorize_nodestate(worker_nodes, nodestate_to_color, ffunc):
# TODO remove monstrosity!
for worker_node in worker_nodes:
full_nodestate = worker_node['state'] # actual node state
total_color_nodestate = []
for nodestate in worker_node['state']: # split nodestate for displaying purposes
color_nodestate = utils.ColorStr(nodestate, color=nodestate_to_color.get(full_nodestate, ''))
total_color_nodestate.append(color_nodestate)
worker_node['state'] = total_color_nodestate
return worker_nodes
def discover_qtop_batch_systems():
batch_systems = set()
# Find all the classes that extend GenericBatchSystem
to_scan = [GenericBatchSystem]
while to_scan:
parent = to_scan.pop()
for child in parent.__subclasses__():
if child not in batch_systems:
batch_systems.add(child)
to_scan.append(child)
# Extract those class's mnemonics
available_batch_systems = {}
for batch_system in batch_systems:
mnemonic = batch_system.get_mnemonic()
assert mnemonic
assert mnemonic not in available_batch_systems, "Duplicate for mnemonic: '%s'" % mnemonic
available_batch_systems[mnemonic] = batch_system
return available_batch_systems
def process_options(options):
if options.COLOR == 'AUTO':
options.COLOR = 'ON' if (os.environ.get("QTOP_COLOR", sys.stdout.isatty()) in ("ON", True)) else 'OFF'
logging.debug("options.COLOR is now set to: %s" % options.COLOR)
options.REMAP = False # Default value
NAMED_WNS = 1 if options.FORCE_NAMES else 0
return options, NAMED_WNS
# def handle_exception(exc_type, exc_value, exc_traceback):
# """
# This, when replacing sys.excepthook,
# will log uncaught exceptions to the logging module instead
# of printing them to stdout.
# """
# if issubclass(exc_type, KeyboardInterrupt):
# sys.__excepthook__(exc_type, exc_value, exc_traceback)
# return
#
# logging.error("Uncaught exception", exc_info=(exc_type, exc_value, exc_traceback))
class WNOccupancy(object):
def __init__(self, cluster, config, document, user_to_color, job_ids):
self.cluster = cluster
self.config = config
self.document = document
self.account_jobs_table = list()
self.user_to_id = dict()
self.jobid_to_user_to_queue = dict()
self.user_names, self.job_states, self.job_queues = self._get_usernames_states_queues(document.jobs_dict)
self.job_ids = job_ids
self.calculate(document, user_to_color)
def _get_usernames_states_queues(self, jobs_dict):
user_names, job_states, job_queues = list(), list(), list()
for key, value in jobs_dict.items():
user_names.append(value.user_name)
job_states.append(value.job_state)
job_queues.append(value.job_queue)
return user_names, job_states, job_queues
def calculate(self, document, user_to_color):
"""
Prints the Worker Nodes Occupancy table.
if there are non-uniform WNs in pbsnodes.yaml, e.g. wn01, wn02, gn01, gn02, ..., remapping is performed.
Otherwise, for uniform WNs, i.e. all using the same numbering scheme, wn01, wn02, ... proceeds as normal.
Number of Extra tables needed is calculated inside the calc_all_wnid_label_lines function below
"""
if not self.cluster:
return self # TODO fix
# document.jobs_dict => job_id: job name/state/queue
self.jobid_to_user_to_queue = dict(izip(self.job_ids, izip(user_names, job_queues)))
self.user_machine_use = self.calculate_user_node_use(cluster, self.jobid_to_user_to_queue, self.job_ids, user_names,
job_queues)
user_alljobs_sorted_lot = self._produce_user_lot(self.user_names)
user_to_id = self._create_id_for_users(user_alljobs_sorted_lot)
user_job_per_state_counts = self._calculate_user_job_counts(self.user_names, self.job_states, user_alljobs_sorted_lot,
user_to_id)
_account_jobs_table = self._create_sort_acct_jobs_table(user_job_per_state_counts, user_alljobs_sorted_lot, user_to_id)
self.account_jobs_table, self.user_to_id = self._create_account_jobs_table(user_to_id, _account_jobs_table)
self.userid_to_userid_re_pat = self.make_pattern_out_of_mapping(mapping=user_to_color)
# TODO extract to another class?
self.print_char_start, self.print_char_stop, self.extra_matrices_nr = self.find_matrices_width()
self.wn_vert_labels = self.calc_all_wnid_label_lines(dynamic_config['force_names'])
# For-loop below only for user-inserted/customizeable values.
for yaml_key, part_name, systems in yaml.get_yaml_key_part(config, scheduler, outermost_key='workernodes_matrix'):
if scheduler in systems:
self.__setattr__(part_name, self.calc_general_mult_attr_line(part_name, yaml_key, config))
self.core_user_map = self._calc_core_matrix(self.user_to_id, self.jobid_to_user_to_queue)
def _create_account_jobs_table(self, user_to_id, account_jobs_table):
# TODO: unix account id needs to be recomputed at this point. fix.
for quintuplet, new_uid in zip(account_jobs_table, config['possible_ids']):
unix_account = quintuplet[4]
quintuplet[0] = user_to_id[unix_account] = utils.ColorStr(unix_account[0], color='Red_L') \
if config['fill_with_user_firstletter'] else utils.ColorStr(new_uid, color='Red_L')
return account_jobs_table, user_to_id
def _create_sort_acct_jobs_table(self, user_job_per_state_counts, user_all_jobs_sorted, user_to_id):
"""Calculates what is actually below the id| jobs>=R + Q | unix account etc line"""
account_jobs_table = []
for user_alljobs in user_all_jobs_sorted:
user, alljobs_of_user = user_alljobs
account_jobs_table.append(
[
user_to_id[user],
user_job_per_state_counts['running_of_user'][user],
user_job_per_state_counts['queued_of_user'][user],
alljobs_of_user,
user,
self.user_machine_use[user]
]
)
account_jobs_table.sort(key=itemgetter(3, 4), reverse=True) # sort by All jobs, then unix account
return account_jobs_table
def _create_user_job_counts(self, user_names, job_states, state_abbrevs):
"""
counting of e.g. R, Q, C, W, E attached to each user
"""
user_job_per_state_counts = dict()
for state_of_user in state_abbrevs.values():
user_job_per_state_counts[state_of_user] = dict()
for user_name, job_state in zip(user_names, job_states):
try:
x_of_user = state_abbrevs[job_state]
except KeyError:
raise JobNotFound(job_state)
user_job_per_state_counts[x_of_user][user_name] = user_job_per_state_counts[x_of_user].get(user_name, 0) + 1
for user_name in user_job_per_state_counts['running_of_user']:
[user_job_per_state_counts[x_of_user].setdefault(user_name, 0) for x_of_user in user_job_per_state_counts if
x_of_user != 'running_of_user']
return user_job_per_state_counts
def _produce_user_lot(self, _user_names):
"""
Produces a list of tuples (lot) of the form (user account, all jobs count) in descending order.
Used in the user accounts and poolmappings table
"""
user_to_alljobs_count = {}
for user_name in set(_user_names):
user_to_alljobs_count[user_name] = _user_names.count(user_name)
user_alljobs_sorted_lot = sorted(user_to_alljobs_count.items(), key=itemgetter(1), reverse=True)
return user_alljobs_sorted_lot
def _calculate_user_job_counts(self, user_names, job_states, user_alljobs_sorted_lot, user_to_id):
"""
Calculates and prints what is actually below the id| R + Q /all | unix account etc line
:param user_names: list
:param job_states: list
:return: (list, list, dict)