Coverage for python/lsst/ctrl/bps/prepare.py: 24%

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1# This file is part of ctrl_bps. 

2# 

3# Developed for the LSST Data Management System. 

4# This product includes software developed by the LSST Project 

5# (https://www.lsst.org). 

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

7# for details of code ownership. 

8# 

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

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

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

12# (at your option) any later version. 

13# 

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

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

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

17# GNU General Public License for more details. 

18# 

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

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

21 

22"""Driver for preparing a WMS-specific workflow. 

23""" 

24 

25import logging 

26 

27from lsst.utils import doImport 

28from lsst.utils.logging import VERBOSE 

29from lsst.utils.timer import time_this, timeMethod 

30 

31from .bps_utils import ( 

32 WhenToSaveQuantumGraphs, 

33 _create_execution_butler, 

34 create_job_quantum_graph_filename, 

35 save_qg_subgraph, 

36) 

37 

38_LOG = logging.getLogger(__name__) 

39 

40 

41@timeMethod(logger=_LOG, logLevel=VERBOSE) 

42def prepare(config, generic_workflow, out_prefix): 

43 """Convert generic workflow to a workflow for a particular WMS. 

44 

45 Parameters 

46 ---------- 

47 config : `lsst.ctrl.bps.BpsConfig` 

48 Contains configuration for BPS. 

49 generic_workflow : `lsst.ctrl.bps.GenericWorkflow` 

50 Contains generic workflow. 

51 out_prefix : `str` 

52 Contains directory to which any WMS-specific files should be written. 

53 

54 Returns 

55 ------- 

56 wms_workflow : `lsst.ctrl.bps.BaseWmsWorkflow` 

57 WMS-specific workflow. 

58 """ 

59 search_opt = {"searchobj": config["executionButler"]} 

60 _, when_create = config.search("whenCreate", opt=search_opt) 

61 if when_create.upper() == "PREPARE": 

62 _, execution_butler_dir = config.search(".bps_defined.executionButlerDir", opt=search_opt) 

63 _LOG.info("Creating execution butler in '%s'", execution_butler_dir) 

64 with time_this(log=_LOG, level=logging.INFO, prefix=None, msg="Creating execution butler completed"): 

65 _create_execution_butler(config, config["runQgraphFile"], execution_butler_dir, out_prefix) 

66 

67 found, wms_class = config.search("wmsServiceClass") 

68 if not found: 

69 raise KeyError("Missing wmsServiceClass in bps config. Aborting.") 

70 

71 wms_service_class = doImport(wms_class) 

72 wms_service = wms_service_class(config) 

73 wms_workflow = wms_service.prepare(config, generic_workflow, out_prefix) 

74 

75 # Save QuantumGraphs (putting after call to prepare so don't write a 

76 # bunch of files if prepare fails) 

77 found, when_save = config.search("whenSaveJobQgraph") 

78 if found and WhenToSaveQuantumGraphs[when_save.upper()] == WhenToSaveQuantumGraphs.PREPARE: 

79 for job_name in generic_workflow.nodes(): 

80 job = generic_workflow.get_job(job_name) 

81 save_qg_subgraph(job.quantum_graph, create_job_quantum_graph_filename(job, out_prefix)) 

82 

83 return wms_workflow