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#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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import os |
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import argparse |
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import subprocess |
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import logging |
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import time as t |
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from smartdispatch import utils |
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from smartdispatch.command_manager import CommandManager |
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def parse_arguments(): |
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parser = argparse.ArgumentParser() |
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parser.add_argument('commands_filename', type=str, help='File containing all commands to execute.') |
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parser.add_argument('logs_dir', type=str, help="Folder where to put commands' stdout and stderr.") |
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args = parser.parse_args() |
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# Check for invalid arguments |
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if not os.path.isfile(args.commands_filename): |
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parser.error("Invalid file path. Specify path to a file containing commands.") |
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if not os.path.isdir(args.logs_dir): |
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parser.error("You need to specify the folder path where to put command' stdout and stderr.") |
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return args |
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def main(): |
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# Necessary if we want 'logging.info' to appear in stderr. |
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logging.root.setLevel(logging.INFO) |
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args = parse_arguments() |
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command_manager = CommandManager(args.commands_filename) |
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while True: |
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command = command_manager.get_command_to_run() |
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if command is None: |
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break |
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uid = utils.generate_uid_from_string(command) |
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stdout_filename = os.path.join(args.logs_dir, uid + ".out") |
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stderr_filename = os.path.join(args.logs_dir, uid + ".err") |
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with open(stdout_filename, 'a') as stdout_file: |
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with open(stderr_filename, 'a') as stderr_file: |
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log_datetime = t.strftime("## SMART_DISPATCH - Started on: %Y-%m-%d %H:%M:%S ##\n") |
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if stdout_file.tell() > 0: # Not the first line in the log file. |
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log_datetime = t.strftime("\n## SMART_DISPATCH - Resumed on: %Y-%m-%d %H:%M:%S ##\n") |
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log_command = "## SMART_DISPATCH - Command: " + command + '\n' |
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stdout_file.write(log_datetime + log_command) |
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stdout_file.flush() |
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stderr_file.write(log_datetime + log_command) |
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stderr_file.flush() |
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error_code = subprocess.call(command, stdout=stdout_file, stderr=stderr_file, shell=True) |
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command_manager.set_running_command_as_finished(command, error_code) |
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if __name__ == '__main__': |
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main() |
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SMART-Lab /
smartdispatch
