128 lines
3.5 KiB
Python
128 lines
3.5 KiB
Python
import sys
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import shutil
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import argparse
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import logging
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import configparser
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from pprint import pp
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from time import time
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from datetime import timedelta
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from datetime import datetime
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from pathlib import Path
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import subprocess as sp
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import urllib.error
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from .grafana import Silencer
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from .stl import copy_stl
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from .run import run
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_t0 = time()
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parser = argparse.ArgumentParser(
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description='Run the OpenFoam simulation'
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)
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parser.add_argument('-c', '--config', default='config.ini', type=Path,
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help='Configuration file (default config.ini)')
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parser.add_argument('-l', '--log-level', default='INFO', type=str,
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help='Log level')
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args = parser.parse_args()
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config = configparser.ConfigParser()
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config.read(args.config)
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logging.basicConfig(
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filename=config.get('main', 'log_file', fallback=None),
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level=args.log_level
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)
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log = logging.getLogger('openfoam')
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log.info('Starting program')
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def step(command, alias=None):
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if alias == None: alias = command
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log.info(f'Running {alias}')
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code = run(command, case_dir, alias)
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if code != 0:
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log.error(f'{alias} failed')
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sys.exit(code)
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log.info(f'{alias} finished successfully')
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if config.getboolean('grafana', 'pause', fallback=False):
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log.info('Silencing Grafana alert')
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grafana = Silencer(
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url=config.get('grafana', 'url'),
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apikey=config.get('grafana', 'apikey'),
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)
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grafana.silence_alert()
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input_dir = Path(config.get('main', 'input_dir'), config.get('main', 'case'))\
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.expanduser()
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work_dir = Path(config.get('main', 'work_dir')).expanduser()
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if not work_dir.exists():
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log.error(f'Work directory ({work_dir}) not found')
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sys.exit(1)
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case_dir = work_dir.joinpath(config.get('main', 'case'))
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if case_dir.exists():
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log.info(f'Deleting case ({case_dir})')
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shutil.rmtree(case_dir)
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log.info(f'Copying case ({input_dir} -> {case_dir})')
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shutil.copytree(input_dir, case_dir)
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if config.getboolean('stl', 'copy', fallback=False):
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stl_in = Path(config.get('stl', 'from')).expanduser()
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if not stl_in.exists():
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log.error(f'STL from directory does not exist ({stl_in})')
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sys.exit(1)
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log.info(f'Copying stl directory ({stl_in})')
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copy_stl(stl_in, case_dir)
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if config.getboolean('blockMesh', 'enable', fallback=False):
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step(('blockMesh'))
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if config.getboolean('snappyHexMesh', 'enable', fallback=False):
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step(('snappyHexMesh', '-overwrite'), 'snappyHexMesh')
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log.info('Copying 0.org -> 0')
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shutil.copytree(
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case_dir.joinpath('0.org'),
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case_dir.joinpath('0'),
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)
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if config.getboolean('setFields', 'enable', fallback=False):
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step(('setFields'))
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if config.getboolean('olaFlow', 'enable', fallback=False):
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cmd = ('olaFlow')
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if config.getboolean('parallel', 'enable', fallback=False):
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cmd = (
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'mpirun',
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'-np', config.get('parallel', 'threads'),
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'olaFlow', '-parallel'
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)
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step(('decomposePar'))
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step(cmd, 'olaFlow')
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if config.getboolean('parallel', 'enable', fallback=False) \
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and config.getboolean('reconstructPar', 'enable', fallback=False):
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step(('reconstructPar'))
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log.info(f'Deleting processor directories')
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for proc_dir in case_dir.glob(r'processor*'):
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log.info(f'Deleting {proc_dir}')
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shutil.rmtree(proc_dir)
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if config.getboolean('grafana', 'pause', fallback=False):
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log.info('Unsilencing Grafana alert')
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grafana.unsilence_alert()
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_t1 = time()
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log.info(f'Program ended successfully after {timedelta(seconds=_t1-_t0)}')
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