def main():
'''Main function for pmort. Does all the things…sort of.
Performs the basic loop of pmort but none of the normal daemon setup items.
The basic logic in pmort is log all the things, sleep until the next time,
and do it again.
Returns
-------
1 if an error occurred; otherwise, it keeps running.
'''
error = 0
global PARAMETERS
PARAMETERS = PARAMETERS.parse()
if os.access(PARAMETERS['logging.configuration_file_path'], os.R_OK):
logging.config.fileConfig(PARAMETERS['logging.configuration_file_path'])
# TODO Add last crash symlink.
while True:
for collector in COLLECTORS:
thread = threading.Thread(
target = output.write_output,
group = 'pmort.collectors',
name = collector.__name__,
args = (collector.__name__.replace('_collector', ''), collector())
)
thread.start()
logging.info('started %s threads', len(COLLECTORS))
logging.info('active threads: %s', threading.active_count())
signal.alarm(LEARNERS[PARAMETERS['learner.active']].time())
signal.pause()
return error
import os
import itertools
import subprocess
import re
from pmort.parameters import PARAMETERS
from pmort.parameters import CONFIGURATION_DIRECTORY
from pmort.collectors import COLLECTORS
from pmort.output import write_output
logger = logging.getLogger(__name__)
PARAMETERS.add_parameter(
options = [ '--directory' ],
group = 'collector_execute',
default = os.path.join(CONFIGURATION_DIRECTORY, 'collectors.d'),
help = \
'Directory in which to search for non-standard collectors. ' \
'Default: %(default)s'
)
def find_scripts(directory = os.path.dirname(__file__)):
'''Find executable scripts (with shebang) in specified directory.
Finds the scripts that can be executed in the specified directory. Any
scripts that are missing a shebang or the executable bit will be skipped.
.. note::
All python files are excluded as it's assumed that the main collector
loading function will load those and run them.
Arguments
# -*- coding: utf-8 -*-
#
# Copyright (C) 2013 by Alex Brandt <*****@*****.**>
#
# pmort is freely distributable under the terms of an MIT-style license.
# See COPYING or http://www.opensource.org/licenses/mit-license.php.
import logging
import os
from pmort.collectors import COLLECTORS
from pmort.parameters import PARAMETERS
logger = logging.getLogger(__name__)
def load_average_collector():
"""Collector—Load Average"""
return ", ".join([str(_) for _ in os.getloadavg()])
COLLECTORS["load_average"] = load_average_collector
if __name__ == "__main__":
PARAMETERS.parse()
print(load_average_collector())
import logging
import os
import sys
import itertools
import importlib
from pmort.parameters import PARAMETERS
from pmort.parameters import CONFIGURATION_DIRECTORY
logger = logging.getLogger(__name__)
PARAMETERS.add_parameter(
options = [ '--directory', ],
group = 'collectors',
default = os.path.join(CONFIGURATION_DIRECTORY, 'collectors.d'),
help = \
'Specify another directory to read collectors from. The ' \
'default directory is in the pmort configuration directory. ' \
'Default: %(default)s'
)
COLLECTORS = {}
# TODO Clean up this module …
def load_collectors(module_basename = __name__, directory = os.path.dirname(__file__), update_path = False):
'''Load all modules (allowing collectors to register) in directory.
All python modules in the given directory will be imported. Collectors
should be registering themselves by adding themselves to the COLLECTORS
dict provided by this module.
'LEARNERS',
]
import logging
import os
import itertools
import importlib
from pmort.parameters import PARAMETERS
logger = logging.getLogger(__name__)
PARAMETERS.add_parameter(
options = [ '--active', ],
group = 'learner',
default = 'linear', # TODO Switch to predictive.
help = \
'The learner algorithm to utilize for determining inter-run ' \
'timings. Default %(default)s'
)
PARAMETERS.add_parameter(
options = [ '--maximum-interval', ],
group = 'learner',
default = 600,
type = int,
help = \
'Set the maximum time between collections by %(prog)s. This ' \
'specifies the maximum number of seconds between ' \
'collections. Default %(default)s'
)
