Coverage for python / lsst / ctrl / bps / parsl / sites / local.py: 69%

1# This file is part of ctrl_bps_parsl. 

2# 

3# Developed for the LSST Data Management System. 

4# This product includes software developed by the LSST Project 

5# (https://www.lsst.org) and the LSST DESC (https://www.lsstdesc.org/). 

6# See the COPYRIGHT file at the top-level directory of this distribution 

7# for details of code ownership. 

8# 

9# This software is dual licensed under the GNU General Public License and also 

10# under a 3-clause BSD license. Recipients may choose which of these licenses 

11# to use; please see the files gpl-3.0.txt and/or bsd_license.txt, 

12# respectively. If you choose the GPL option then the following text applies 

13# (but note that there is still no warranty even if you opt for BSD instead): 

14# 

15# This program is free software: you can redistribute it and/or modify 

16# it under the terms of the GNU General Public License as published by 

17# the Free Software Foundation, either version 3 of the License, or 

18# (at your option) any later version. 

19# 

20# This program is distributed in the hope that it will be useful, 

21# but WITHOUT ANY WARRANTY; without even the implied warranty of 

22# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

23# GNU General Public License for more details. 

24# 

25# You should have received a copy of the GNU General Public License 

26# along with this program. If not, see <https://www.gnu.org/licenses/>. 

27 

28from typing import TYPE_CHECKING 

29 

30from parsl.executors import HighThroughputExecutor 

31from parsl.executors.base import ParslExecutor 

32from parsl.providers import LocalProvider 

33 

34from ..configuration import get_bps_config_value 

35from ..site import SiteConfig 

36 

37if TYPE_CHECKING: 

38 from ..job import ParslJob 

39 

40__all__ = ("Local",) 

41 

42 

43class Local(SiteConfig): 

44 """Configuration for running jobs on the local machine. 

45 

46 The number of cores to use is specified in the site configuration, under 

47 ``site.<computeSite>.cores`` (`int`). 

48 """ 

49 

50 def __init__(self, *args, **kwargs): 

51 # Have BPS-defined resource requests for each job passed to executor. 

52 kwargs["resource_list"] = ["priority"] 

53 super().__init__(*args, **kwargs) 

54 

55 def get_executors(self) -> list[ParslExecutor]: 

56 """Get a list of executors to be used in processing. 

57 

58 Each executor should have a unique ``label``. 

59 """ 

60 cores = get_bps_config_value(self.site, "cores", int, required=True) 

61 return [HighThroughputExecutor("local", provider=LocalProvider(), max_workers_per_node=cores)] 

62 

63 def select_executor(self, job: "ParslJob") -> str: 

64 """Get the ``label`` of the executor to use to execute a job. 

65 

66 Parameters 

67 ---------- 

68 job : `ParslJob` 

69 Job to be executed. 

70 

71 Returns 

72 ------- 

73 label : `str` 

74 Label of executor to use to execute ``job``. 

75 """ 

76 return "local"