Coverage for python/lsst/ctrl/bps/panda/panda_service.py: 16%

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1# This file is part of ctrl_bps_panda. 

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 

23__all__ = ["PanDAService", "PandaBpsWmsWorkflow"] 

24 

25 

26import binascii 

27import concurrent.futures 

28import json 

29import logging 

30import os 

31 

32import idds.common.utils as idds_utils 

33import pandaclient.idds_api 

34from idds.doma.workflowv2.domapandawork import DomaPanDAWork 

35from idds.workflowv2.workflow import AndCondition 

36from idds.workflowv2.workflow import Workflow as IDDS_client_workflow 

37from lsst.ctrl.bps.bps_config import BpsConfig 

38from lsst.ctrl.bps.panda.idds_tasks import IDDSWorkflowGenerator 

39from lsst.ctrl.bps.wms_service import BaseWmsService, BaseWmsWorkflow 

40from lsst.resources import ResourcePath 

41 

42_LOG = logging.getLogger(__name__) 

43 

44 

45class PanDAService(BaseWmsService): 

46 """PanDA version of WMS service""" 

47 

48 def prepare(self, config, generic_workflow, out_prefix=None): 

49 """Convert generic workflow to an PanDA iDDS ready for submission 

50 

51 Parameters 

52 ---------- 

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

54 BPS configuration that includes necessary submit/runtime 

55 information. 

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

57 out_prefix : `str` 

58 The root directory into which all WMS-specific files are written 

59 

60 Returns 

61 ------- 

62 workflow : `lsst.ctrl.bps.panda.panda_service.PandaBpsWmsWorkflow` 

63 PanDA workflow ready to be run. 

64 """ 

65 _LOG.debug("out_prefix = '%s'", out_prefix) 

66 workflow = PandaBpsWmsWorkflow.from_generic_workflow( 

67 config, generic_workflow, out_prefix, f"{self.__class__.__module__}." f"{self.__class__.__name__}" 

68 ) 

69 workflow.write(out_prefix) 

70 return workflow 

71 

72 def convert_exec_string_to_hex(self, cmdline): 

73 """Convert the command line into hex representation. 

74 

75 This step is currently involved because large blocks of command lines 

76 including special symbols passed to the pilot/container. To make sure 

77 the 1 to 1 matching and pass by the special symbol stripping 

78 performed by the Pilot we applied the hexing. 

79 

80 Parameters 

81 ---------- 

82 cmdline : `str` 

83 UTF-8 command line string 

84 

85 Returns 

86 ------- 

87 hex : `str` 

88 Hex representation of string 

89 """ 

90 return binascii.hexlify(cmdline.encode()).decode("utf-8") 

91 

92 def add_decoder_prefix(self, cmd_line, distribution_path, files): 

93 """ 

94 Compose the command line sent to the pilot from the functional part 

95 (the actual SW running) and the middleware part (containers invocation) 

96 

97 Parameters 

98 ---------- 

99 cmd_line : `str` 

100 UTF-8 based functional part of the command line 

101 distribution_path : `str` 

102 URI of path where all files are located for distribution 

103 files `list` [`str`] 

104 File names needed for a task 

105 

106 Returns 

107 ------- 

108 decoder_prefix : `str` 

109 Full command line to be executed on the edge node 

110 """ 

111 

112 cmdline_hex = self.convert_exec_string_to_hex(cmd_line) 

113 _, decoder_prefix = self.config.search( 

114 "runnerCommand", opt={"replaceEnvVars": False, "expandEnvVars": False} 

115 ) 

116 decoder_prefix = decoder_prefix.replace( 

117 "_cmd_line_", 

118 str(cmdline_hex) 

119 + " ${IN/L} " 

120 + distribution_path 

121 + " " 

122 + "+".join(f"{k}:{v}" for k, v in files[0].items()) 

123 + " " 

124 + "+".join(files[1]), 

125 ) 

126 return decoder_prefix 

127 

128 def submit(self, workflow): 

129 """Submit a single PanDA iDDS workflow 

130 

131 Parameters 

132 ---------- 

133 workflow : `lsst.ctrl.bps.BaseWorkflow` 

134 A single PanDA iDDS workflow to submit 

135 """ 

136 idds_client_workflow = IDDS_client_workflow(name=workflow.name) 

137 files = self.copy_files_for_distribution( 

138 workflow.generated_tasks, self.config["fileDistributionEndPoint"] 

139 ) 

140 DAG_end_work = [] 

141 DAG_final_work = None 

142 

143 _, processing_type = self.config.search("processing_type", opt={"default": None}) 

144 _, task_type = self.config.search("task_type", opt={"default": "test"}) 

145 _, prod_source_label = self.config.search("prod_source_label", opt={"default": "test"}) 

146 _, vo = self.config.search("vo", opt={"default": "wlcg"}) 

147 

148 for idx, task in enumerate(workflow.generated_tasks): 

149 work = DomaPanDAWork( 

150 executable=self.add_decoder_prefix( 

151 task.executable, self.config["fileDistributionEndPoint"], files 

152 ), 

153 primary_input_collection={ 

154 "scope": "pseudo_dataset", 

155 "name": "pseudo_input_collection#" + str(idx), 

156 }, 

157 output_collections=[ 

158 {"scope": "pseudo_dataset", "name": "pseudo_output_collection#" + str(idx)} 

159 ], 

160 log_collections=[], 

161 dependency_map=task.dependencies, 

162 task_name=task.name, 

163 task_queue=task.queue, 

164 task_log={ 

165 "destination": "local", 

166 "value": "log.tgz", 

167 "dataset": "PandaJob_#{pandaid}/", 

168 "token": "local", 

169 "param_type": "log", 

170 "type": "template", 

171 }, 

172 encode_command_line=True, 

173 task_rss=task.max_rss, 

174 task_cloud=task.cloud, 

175 task_site=task.site, 

176 task_priority=int(task.priority) if task.priority else 900, 

177 core_count=task.core_count, 

178 working_group=task.working_group, 

179 processing_type=processing_type, 

180 task_type=task_type, 

181 prodSourceLabel=task.prod_source_label if task.prod_source_label else prod_source_label, 

182 vo=vo, 

183 maxattempt=task.max_attempt, 

184 maxwalltime=task.max_walltime if task.max_walltime else 90000, 

185 ) 

186 

187 idds_client_workflow.add_work(work) 

188 if task.is_final: 

189 DAG_final_work = work 

190 if task.is_dag_end: 

191 DAG_end_work.append(work) 

192 

193 if DAG_final_work: 

194 conditions = [] 

195 for work in DAG_end_work: 

196 conditions.append(work.is_terminated) 

197 and_cond = AndCondition(conditions=conditions, true_works=[DAG_final_work]) 

198 idds_client_workflow.add_condition(and_cond) 

199 idds_client = self.get_idds_client() 

200 ret = idds_client.submit(idds_client_workflow, username=None, use_dataset_name=False) 

201 _LOG.debug("iDDS client manager submit returned = %s", ret) 

202 

203 # Check submission success 

204 status, result, error = self.get_idds_result(ret) 

205 if status: 

206 request_id = int(result) 

207 else: 

208 raise RuntimeError(f"Error submitting to PanDA service: {error}") 

209 

210 _LOG.info("Submitted into iDDs with request id=%s", request_id) 

211 workflow.run_id = request_id 

212 

213 @staticmethod 

214 def copy_files_for_distribution(tasks, file_distribution_uri): 

215 """ 

216 Brings locally generated files into Cloud for further 

217 utilization them on the edge nodes. 

218 

219 Parameters 

220 ---------- 

221 local_pfns: `list` of `tasks` 

222 Tasks that input files needs to be placed for 

223 distribution 

224 file_distribution_uri: `str` 

225 Path on the edge node accessed storage, 

226 including access protocol, bucket name to place files 

227 

228 Returns 

229 ------- 

230 files_plc_hldr, direct_IO_files : `dict` [`str`, `str`], `set` of `str` 

231 First parameters is key values pairs 

232 of file placeholder - file name 

233 Second parameter is set of files which will be directly accessed. 

234 """ 

235 local_pfns = {} 

236 direct_IO_files = set() 

237 for task in tasks: 

238 for file in task.files_used_by_task: 

239 if not file.delivered: 

240 local_pfns[file.name] = file.submission_url 

241 if file.direct_IO: 

242 direct_IO_files.add(file.name) 

243 

244 files_to_copy = {} 

245 

246 # In case there are folders we iterate over its content 

247 for local_pfn in local_pfns.values(): 

248 folder_name = os.path.basename(local_pfn) 

249 if os.path.isdir(local_pfn): 

250 files_in_folder = ResourcePath.findFileResources([local_pfn]) 

251 for file in files_in_folder: 

252 file_name = file.basename() 

253 files_to_copy[file] = ResourcePath( 

254 os.path.join(file_distribution_uri, folder_name, file_name) 

255 ) 

256 else: 

257 files_to_copy[ResourcePath(local_pfn)] = ResourcePath( 

258 os.path.join(file_distribution_uri, folder_name) 

259 ) 

260 

261 copy_executor = concurrent.futures.ThreadPoolExecutor(max_workers=10) 

262 future_file_copy = [] 

263 for src, trgt in files_to_copy.items(): 

264 

265 # S3 clients explicitly instantiate here to overpass this 

266 # https://stackoverflow.com/questions/52820971/is-boto3-client-thread-safe 

267 trgt.exists() 

268 future_file_copy.append(copy_executor.submit(trgt.transfer_from, src, transfer="copy")) 

269 for future in concurrent.futures.as_completed(future_file_copy): 

270 if not future.result() is None: 

271 raise RuntimeError("Error of placing files to the distribution point") 

272 

273 if len(direct_IO_files) == 0: 

274 direct_IO_files.add("cmdlineplaceholder") 

275 

276 files_plc_hldr = {} 

277 for file_placeholder, src_path in local_pfns.items(): 

278 files_plc_hldr[file_placeholder] = os.path.basename(src_path) 

279 if os.path.isdir(src_path): 

280 # this is needed to make isdir function working 

281 # properly in ButlerURL instance on the egde node 

282 files_plc_hldr[file_placeholder] += "/" 

283 

284 return files_plc_hldr, direct_IO_files 

285 

286 def get_idds_client(self): 

287 """Get the idds client 

288 

289 Returns 

290 ------- 

291 idds_client: `idds.client.clientmanager.ClientManager` 

292 iDDS ClientManager object. 

293 """ 

294 idds_server = None 

295 if isinstance(self.config, BpsConfig): 

296 _, idds_server = self.config.search("iddsServer", opt={"default": None}) 

297 elif isinstance(self.config, dict) and "iddsServer" in self.config: 

298 idds_server = self.config["iddsServer"] 

299 # if idds_server is None, a default value on the panda relay service 

300 # will be used 

301 idds_client = pandaclient.idds_api.get_api( 

302 idds_utils.json_dumps, idds_host=idds_server, compress=True, manager=True 

303 ) 

304 return idds_client 

305 

306 def get_idds_result(self, ret): 

307 """Parse the results returned from iDDS. 

308 

309 Parameters 

310 ---------- 

311 ret: `tuple` of (`int`, (`bool`, payload)). 

312 The first part ret[0] is the status of PanDA relay service. 

313 The part of ret[1][0] is the status of iDDS service. 

314 The part of ret[1][1] is the returned payload. 

315 If ret[1][0] is False, ret[1][1] can be error messages. 

316 

317 Returns 

318 ------- 

319 status: `bool` 

320 The status of iDDS calls. 

321 result: `int` or `list` or `dict` 

322 The result returned from iDDS. 

323 error: `str` 

324 Error messages. 

325 """ 

326 # https://panda-wms.readthedocs.io/en/latest/client/rest_idds.html 

327 if not (isinstance(ret, tuple) or isinstance(ret, list)) or ret[0] != 0: 

328 # Something wrong with the PanDA relay service. 

329 # The call may not be delivered to iDDS. 

330 status = False 

331 result = None 

332 error = "PanDA relay service returns errors: %s" % str(ret) 

333 else: 

334 if ret[1][0]: 

335 status = True 

336 result = ret[1][1] 

337 error = None 

338 else: 

339 # iDDS returns errors 

340 status = False 

341 result = None 

342 error = "iDDS returns errors: %s" % str(ret[1][1]) 

343 return status, result, error 

344 

345 def restart(self, wms_workflow_id): 

346 """Restart a workflow from the point of failure. 

347 

348 Parameters 

349 ---------- 

350 wms_workflow_id : `str` 

351 Id that can be used by WMS service to identify workflow that 

352 need to be restarted. 

353 

354 Returns 

355 ------- 

356 wms_id : `str` 

357 Id of the restarted workflow. If restart failed, it will be set 

358 to `None`. 

359 run_name : `str` 

360 Name of the restarted workflow. If restart failed, it will be set 

361 to `None`. 

362 message : `str` 

363 A message describing any issues encountered during the restart. 

364 If there were no issue, an empty string is returned. 

365 """ 

366 idds_client = self.get_idds_client() 

367 ret = idds_client.retry(request_id=wms_workflow_id) 

368 _LOG.debug("Restart PanDA workflow returned = %s", ret) 

369 

370 status, result, error = self.get_idds_result(ret) 

371 if status: 

372 _LOG.info("Restarting PanDA workflow %s", result) 

373 return wms_workflow_id, None, json.dumps(result) 

374 else: 

375 return None, None, "Error retry PanDA workflow: %s" % str(error) 

376 

377 def report(self, wms_workflow_id=None, user=None, hist=0, pass_thru=None, is_global=False): 

378 """Stub for future implementation of the report method 

379 Expected to return run information based upon given constraints. 

380 

381 Parameters 

382 ---------- 

383 wms_workflow_id : `int` or `str` 

384 Limit to specific run based on id. 

385 user : `str` 

386 Limit results to runs for this user. 

387 hist : `float` 

388 Limit history search to this many days. 

389 pass_thru : `str` 

390 Constraints to pass through to HTCondor. 

391 is_global : `bool`, optional 

392 If set, all available job queues will be queried for job 

393 information. Defaults to False which means that only a local job 

394 queue will be queried for information. 

395 

396 Returns 

397 ------- 

398 runs : `list` [`lsst.ctrl.bps.WmsRunReport`] 

399 Information about runs from given job information. 

400 message : `str` 

401 Extra message for report command to print. This could be 

402 pointers to documentation or to WMS specific commands. 

403 """ 

404 raise NotImplementedError 

405 

406 def list_submitted_jobs(self, wms_id=None, user=None, require_bps=True, pass_thru=None, is_global=False): 

407 """Query WMS for list of submitted WMS workflows/jobs. 

408 

409 This should be a quick lookup function to create list of jobs for 

410 other functions. 

411 

412 Parameters 

413 ---------- 

414 wms_id : `int` or `str`, optional 

415 Id or path that can be used by WMS service to look up job. 

416 user : `str`, optional 

417 User whose submitted jobs should be listed. 

418 require_bps : `bool`, optional 

419 Whether to require jobs returned in list to be bps-submitted jobs. 

420 pass_thru : `str`, optional 

421 Information to pass through to WMS. 

422 is_global : `bool`, optional 

423 If set, all available job queues will be queried for job 

424 information. Defaults to False which means that only a local job 

425 queue will be queried for information. 

426 

427 Only applicable in the context of a WMS using distributed job 

428 queues (e.g., HTCondor). A WMS with a centralized job queue 

429 (e.g. PanDA) can safely ignore it. 

430 

431 Returns 

432 ------- 

433 req_ids : `list` [`Any`] 

434 Only job ids to be used by cancel and other functions. Typically 

435 this means top-level jobs (i.e., not children jobs). 

436 """ 

437 if wms_id is None and user is not None: 

438 raise RuntimeError( 

439 "Error to get workflow status report: wms_id is required" 

440 " and filtering workflows with 'user' is not supported." 

441 ) 

442 

443 idds_client = self.get_idds_client() 

444 ret = idds_client.get_requests(request_id=wms_id) 

445 _LOG.debug("PanDA get workflows returned = %s", ret) 

446 

447 status, result, error = self.get_idds_result(ret) 

448 if status: 

449 req_ids = [req["request_id"] for req in result] 

450 return req_ids 

451 else: 

452 raise RuntimeError(f"Error list PanDA workflow requests: {error}") 

453 

454 def cancel(self, wms_id, pass_thru=None): 

455 """Cancel submitted workflows/jobs. 

456 

457 Parameters 

458 ---------- 

459 wms_id : `str` 

460 ID or path of job that should be canceled. 

461 pass_thru : `str`, optional 

462 Information to pass through to WMS. 

463 

464 Returns 

465 ------- 

466 deleted : `bool` 

467 Whether successful deletion or not. Currently, if any doubt or any 

468 individual jobs not deleted, return False. 

469 message : `str` 

470 Any message from WMS (e.g., error details). 

471 """ 

472 idds_client = self.get_idds_client() 

473 ret = idds_client.abort(request_id=wms_id) 

474 _LOG.debug("Abort PanDA workflow returned = %s", ret) 

475 

476 status, result, error = self.get_idds_result(ret) 

477 if status: 

478 _LOG.info("Aborting PanDA workflow %s", result) 

479 return True, json.dumps(result) 

480 else: 

481 return False, "Error abort PanDA workflow: %s" % str(error) 

482 

483 def ping(self, pass_thru=None): 

484 """Checks whether PanDA WMS services are up, reachable, 

485 and can authenticate if authentication is required. 

486 

487 The services to be checked are those needed for submit, report, cancel, 

488 restart, but ping cannot guarantee whether jobs would actually run 

489 successfully. Any messages should be sent directly to the logger. 

490 

491 Parameters 

492 ---------- 

493 pass_thru : `str`, optional 

494 Information to pass through to WMS. 

495 

496 Returns 

497 ------- 

498 status : `int` 

499 0 for success, non-zero for failure 

500 message : `str` 

501 Any message from WMS (e.g., error details). 

502 """ 

503 idds_client = self.get_idds_client() 

504 ret = idds_client.ping() 

505 _LOG.debug("Ping PanDA service returned = %s", ret) 

506 

507 status, result, error = self.get_idds_result(ret) 

508 if status: 

509 if "Status" in result and result["Status"] == "OK": 

510 return 0, None 

511 else: 

512 return -1, "Error ping PanDA service: %s" % str(result) 

513 else: 

514 return -1, "Error ping PanDA service: %s" % str(error) 

515 

516 def run_submission_checks(self): 

517 """Checks to run at start if running WMS specific submission steps. 

518 

519 Any exception other than NotImplementedError will halt submission. 

520 Submit directory may not yet exist when this is called. 

521 """ 

522 for key in ["PANDA_URL"]: 

523 if key not in os.environ: 

524 raise OSError(f"Missing environment variable {key}") 

525 

526 status, message = self.ping() 

527 if status != 0: 

528 raise RuntimeError(message) 

529 

530 

531class PandaBpsWmsWorkflow(BaseWmsWorkflow): 

532 """A single Panda based workflow 

533 

534 Parameters 

535 ---------- 

536 name : `str` 

537 Unique name for Workflow 

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

539 BPS configuration that includes necessary submit/runtime information 

540 """ 

541 

542 def __init__(self, name, config=None): 

543 super().__init__(name, config) 

544 self.generated_tasks = None 

545 

546 @classmethod 

547 def from_generic_workflow(cls, config, generic_workflow, out_prefix, service_class): 

548 # Docstring inherited from parent class 

549 idds_workflow = cls(generic_workflow.name, config) 

550 workflow_generator = IDDSWorkflowGenerator(generic_workflow, config) 

551 idds_workflow.generated_tasks = workflow_generator.define_tasks() 

552 _LOG.debug("panda dag attribs %s", generic_workflow.run_attrs) 

553 return idds_workflow 

554 

555 def write(self, out_prefix): 

556 """Not yet implemented"""