sdk/cwl/arvados_cwl/executor.py

   1 # Copyright (C) The Arvados Authors. All rights reserved.
   2 #
   3 # SPDX-License-Identifier: Apache-2.0
   4
   5 from __future__ import division
   6 from builtins import next
   7 from builtins import object
   8 from builtins import str
   9 from future.utils import viewvalues, viewitems
  10
  11 import argparse
  12 import logging
  13 import os
  14 import sys
  15 import threading
  16 import copy
  17 import json
  18 import re
  19 from functools import partial
  20 import subprocess
  21 import time
  22 import urllib
  23
  24 from cwltool.errors import WorkflowException
  25 import cwltool.workflow
  26 from schema_salad.sourceline import SourceLine, cmap
  27 import schema_salad.validate as validate
  28 from schema_salad.ref_resolver import file_uri, uri_file_path
  29
  30 import arvados
  31 import arvados.config
  32 from arvados.keep import KeepClient
  33 from arvados.errors import ApiError
  34
  35 import arvados_cwl.util
  36 from .arvcontainer import RunnerContainer, cleanup_name_for_collection
  37 from .runner import Runner, upload_docker, upload_job_order, upload_workflow_deps, make_builder, update_from_merged_map
  38 from .arvtool import ArvadosCommandTool, validate_cluster_target, ArvadosExpressionTool
  39 from .arvworkflow import ArvadosWorkflow, upload_workflow, make_workflow_record
  40 from .fsaccess import CollectionFsAccess, CollectionFetcher, collectionResolver, CollectionCache, pdh_size
  41 from .perf import Perf
  42 from .pathmapper import NoFollowPathMapper
  43 from cwltool.task_queue import TaskQueue
  44 from .context import ArvLoadingContext, ArvRuntimeContext
  45 from ._version import __version__
  46
  47 from cwltool.process import shortname, UnsupportedRequirement, use_custom_schema
  48 from cwltool.utils import adjustFileObjs, adjustDirObjs, get_listing, visit_class, aslist
  49 from cwltool.command_line_tool import compute_checksums
  50 from cwltool.load_tool import load_tool
  51
  52 logger = logging.getLogger('arvados.cwl-runner')
  53 metrics = logging.getLogger('arvados.cwl-runner.metrics')
  54
  55 DEFAULT_PRIORITY = 500
  56
  57 class RuntimeStatusLoggingHandler(logging.Handler):
  58     """
  59     Intercepts logging calls and report them as runtime statuses on runner
  60     containers.
  61     """
  62     def __init__(self, runtime_status_update_func):
  63         super(RuntimeStatusLoggingHandler, self).__init__()
  64         self.runtime_status_update = runtime_status_update_func
  65         self.updatingRuntimeStatus = False
  66
  67     def emit(self, record):
  68         kind = None
  69         if record.levelno >= logging.ERROR:
  70             kind = 'error'
  71         elif record.levelno >= logging.WARNING:
  72             kind = 'warning'
  73         if kind == 'warning' and record.name == "salad":
  74             # Don't send validation warnings to runtime status,
  75             # they're noisy and unhelpful.
  76             return
  77         if kind is not None and self.updatingRuntimeStatus is not True:
  78             self.updatingRuntimeStatus = True
  79             try:
  80                 log_msg = record.getMessage()
  81                 if '\n' in log_msg:
  82                     # If the logged message is multi-line, use its first line as status
  83                     # and the rest as detail.
  84                     status, detail = log_msg.split('\n', 1)
  85                     self.runtime_status_update(
  86                         kind,
  87                         "%s: %s" % (record.name, status),
  88                         detail
  89                     )
  90                 else:
  91                     self.runtime_status_update(
  92                         kind,
  93                         "%s: %s" % (record.name, record.getMessage())
  94                     )
  95             finally:
  96                 self.updatingRuntimeStatus = False
  97
  98
  99 class ArvCwlExecutor(object):
 100     """Execute a CWL tool or workflow, submit work (using containers API),
 101     wait for them to complete, and report output.
 102
 103     """
 104
 105     def __init__(self, api_client,
 106                  arvargs=None,
 107                  keep_client=None,
 108                  num_retries=4,
 109                  thread_count=4,
 110                  stdout=sys.stdout):
 111
 112         if arvargs is None:
 113             arvargs = argparse.Namespace()
 114             arvargs.work_api = None
 115             arvargs.output_name = None
 116             arvargs.output_tags = None
 117             arvargs.thread_count = 1
 118             arvargs.collection_cache_size = None
 119             arvargs.git_info = True
 120             arvargs.submit = False
 121             arvargs.defer_downloads = False
 122
 123         self.api = api_client
 124         self.processes = {}
 125         self.workflow_eval_lock = threading.Condition(threading.RLock())
 126         self.final_output = None
 127         self.final_status = None
 128         self.num_retries = num_retries
 129         self.uuid = None
 130         self.stop_polling = threading.Event()
 131         self.poll_api = None
 132         self.pipeline = None
 133         self.final_output_collection = None
 134         self.output_name = arvargs.output_name
 135         self.output_tags = arvargs.output_tags
 136         self.project_uuid = None
 137         self.intermediate_output_ttl = 0
 138         self.intermediate_output_collections = []
 139         self.trash_intermediate = False
 140         self.thread_count = arvargs.thread_count
 141         self.poll_interval = 12
 142         self.loadingContext = None
 143         self.should_estimate_cache_size = True
 144         self.fs_access = None
 145         self.secret_store = None
 146         self.stdout = stdout
 147         self.fast_submit = False
 148         self.git_info = arvargs.git_info
 149
 150         if keep_client is not None:
 151             self.keep_client = keep_client
 152         else:
 153             self.keep_client = arvados.keep.KeepClient(api_client=self.api, num_retries=self.num_retries)
 154
 155         if arvargs.collection_cache_size:
 156             collection_cache_size = arvargs.collection_cache_size*1024*1024
 157             self.should_estimate_cache_size = False
 158         else:
 159             collection_cache_size = 256*1024*1024
 160
 161         self.collection_cache = CollectionCache(self.api, self.keep_client, self.num_retries,
 162                                                 cap=collection_cache_size)
 163
 164         self.fetcher_constructor = partial(CollectionFetcher,
 165                                            api_client=self.api,
 166                                            fs_access=CollectionFsAccess("", collection_cache=self.collection_cache),
 167                                            num_retries=self.num_retries)
 168
 169         self.work_api = None
 170         expected_api = ["containers"]
 171         for api in expected_api:
 172             try:
 173                 methods = self.api._rootDesc.get('resources')[api]['methods']
 174                 if ('httpMethod' in methods['create'] and
 175                     (arvargs.work_api == api or arvargs.work_api is None)):
 176                     self.work_api = api
 177                     break
 178             except KeyError:
 179                 pass
 180
 181         if not self.work_api:
 182             if arvargs.work_api is None:
 183                 raise Exception("No supported APIs")
 184             else:
 185                 raise Exception("Unsupported API '%s', expected one of %s" % (arvargs.work_api, expected_api))
 186
 187         if self.work_api == "jobs":
 188             logger.error("""
 189 *******************************
 190 The 'jobs' API is no longer supported.
 191 *******************************""")
 192             exit(1)
 193
 194         self.loadingContext = ArvLoadingContext(vars(arvargs))
 195         self.loadingContext.fetcher_constructor = self.fetcher_constructor
 196         self.loadingContext.resolver = partial(collectionResolver, self.api, num_retries=self.num_retries)
 197         self.loadingContext.construct_tool_object = self.arv_make_tool
 198
 199         # Add a custom logging handler to the root logger for runtime status reporting
 200         # if running inside a container
 201         if arvados_cwl.util.get_current_container(self.api, self.num_retries, logger):
 202             root_logger = logging.getLogger('')
 203
 204             # Remove existing RuntimeStatusLoggingHandlers if they exist
 205             handlers = [h for h in root_logger.handlers if not isinstance(h, RuntimeStatusLoggingHandler)]
 206             root_logger.handlers = handlers
 207
 208             handler = RuntimeStatusLoggingHandler(self.runtime_status_update)
 209             root_logger.addHandler(handler)
 210
 211         self.toplevel_runtimeContext = ArvRuntimeContext(vars(arvargs))
 212         self.toplevel_runtimeContext.make_fs_access = partial(CollectionFsAccess,
 213                                                      collection_cache=self.collection_cache)
 214
 215         self.defer_downloads = arvargs.submit and arvargs.defer_downloads
 216
 217         validate_cluster_target(self, self.toplevel_runtimeContext)
 218
 219
 220     def arv_make_tool(self, toolpath_object, loadingContext):
 221         if "class" in toolpath_object and toolpath_object["class"] == "CommandLineTool":
 222             return ArvadosCommandTool(self, toolpath_object, loadingContext)
 223         elif "class" in toolpath_object and toolpath_object["class"] == "Workflow":
 224             return ArvadosWorkflow(self, toolpath_object, loadingContext)
 225         elif "class" in toolpath_object and toolpath_object["class"] == "ExpressionTool":
 226             return ArvadosExpressionTool(self, toolpath_object, loadingContext)
 227         else:
 228             raise Exception("Unknown tool %s" % toolpath_object.get("class"))
 229
 230     def output_callback(self, out, processStatus):
 231         with self.workflow_eval_lock:
 232             if processStatus == "success":
 233                 logger.info("Overall process status is %s", processStatus)
 234                 state = "Complete"
 235             else:
 236                 logger.error("Overall process status is %s", processStatus)
 237                 state = "Failed"
 238             if self.pipeline:
 239                 self.api.pipeline_instances().update(uuid=self.pipeline["uuid"],
 240                                                         body={"state": state}).execute(num_retries=self.num_retries)
 241             self.final_status = processStatus
 242             self.final_output = out
 243             self.workflow_eval_lock.notifyAll()
 244
 245
 246     def start_run(self, runnable, runtimeContext):
 247         self.task_queue.add(partial(runnable.run, runtimeContext),
 248                             self.workflow_eval_lock, self.stop_polling)
 249
 250     def process_submitted(self, container):
 251         with self.workflow_eval_lock:
 252             self.processes[container.uuid] = container
 253
 254     def process_done(self, uuid, record):
 255         with self.workflow_eval_lock:
 256             j = self.processes[uuid]
 257             logger.info("%s %s is %s", self.label(j), uuid, record["state"])
 258             self.task_queue.add(partial(j.done, record),
 259                                 self.workflow_eval_lock, self.stop_polling)
 260             del self.processes[uuid]
 261
 262     def runtime_status_update(self, kind, message, detail=None):
 263         """
 264         Updates the runtime_status field on the runner container.
 265         Called when there's a need to report errors, warnings or just
 266         activity statuses, for example in the RuntimeStatusLoggingHandler.
 267         """
 268
 269         if kind not in ('error', 'warning', 'activity'):
 270             # Ignore any other status kind
 271             return
 272
 273         with self.workflow_eval_lock:
 274             current = None
 275             try:
 276                 current = arvados_cwl.util.get_current_container(self.api, self.num_retries, logger)
 277             except Exception as e:
 278                 logger.info("Couldn't get current container: %s", e)
 279             if current is None:
 280                 return
 281             runtime_status = current.get('runtime_status', {})
 282
 283             original_updatemessage = updatemessage = runtime_status.get(kind, "")
 284             if kind == "activity" or not updatemessage:
 285                 updatemessage = message
 286
 287             # Subsequent messages tacked on in detail
 288             original_updatedetail = updatedetail = runtime_status.get(kind+'Detail', "")
 289             maxlines = 40
 290             if updatedetail.count("\n") < maxlines:
 291                 if updatedetail:
 292                     updatedetail += "\n"
 293                 updatedetail += message + "\n"
 294
 295                 if detail:
 296                     updatedetail += detail + "\n"
 297
 298                 if updatedetail.count("\n") >= maxlines:
 299                     updatedetail += "\nSome messages may have been omitted.  Check the full log."
 300
 301             if updatemessage == original_updatemessage and updatedetail == original_updatedetail:
 302                 # don't waste time doing an update if nothing changed
 303                 # (usually because we exceeded the max lines)
 304                 return
 305
 306             runtime_status.update({
 307                 kind: updatemessage,
 308                 kind+'Detail': updatedetail,
 309             })
 310
 311             try:
 312                 self.api.containers().update(uuid=current['uuid'],
 313                                             body={
 314                                                 'runtime_status': runtime_status,
 315                                             }).execute(num_retries=self.num_retries)
 316             except Exception as e:
 317                 logger.info("Couldn't update runtime_status: %s", e)
 318
 319     def wrapped_callback(self, cb, obj, st):
 320         with self.workflow_eval_lock:
 321             cb(obj, st)
 322             self.workflow_eval_lock.notifyAll()
 323
 324     def get_wrapped_callback(self, cb):
 325         return partial(self.wrapped_callback, cb)
 326
 327     def on_message(self, event):
 328         if event.get("object_uuid") in self.processes and event["event_type"] == "update":
 329             uuid = event["object_uuid"]
 330             if event["properties"]["new_attributes"]["state"] == "Running":
 331                 with self.workflow_eval_lock:
 332                     j = self.processes[uuid]
 333                     if j.running is False:
 334                         j.running = True
 335                         j.update_pipeline_component(event["properties"]["new_attributes"])
 336                         logger.info("%s %s is Running", self.label(j), uuid)
 337             elif event["properties"]["new_attributes"]["state"] in ("Complete", "Failed", "Cancelled", "Final"):
 338                 self.process_done(uuid, event["properties"]["new_attributes"])
 339
 340     def label(self, obj):
 341         return "[%s %s]" % (self.work_api[0:-1], obj.name)
 342
 343     def poll_states(self):
 344         """Poll status of containers listed in the processes dict.
 345
 346         Runs in a separate thread.
 347         """
 348
 349         try:
 350             remain_wait = self.poll_interval
 351             while True:
 352                 if remain_wait > 0:
 353                     self.stop_polling.wait(remain_wait)
 354                 if self.stop_polling.is_set():
 355                     break
 356                 with self.workflow_eval_lock:
 357                     keys = list(self.processes)
 358                 if not keys:
 359                     remain_wait = self.poll_interval
 360                     continue
 361
 362                 begin_poll = time.time()
 363                 if self.work_api == "containers":
 364                     table = self.poll_api.container_requests()
 365
 366                 pageSize = self.poll_api._rootDesc.get('maxItemsPerResponse', 1000)
 367
 368                 while keys:
 369                     page = keys[:pageSize]
 370                     try:
 371                         proc_states = table.list(filters=[["uuid", "in", page]], select=["uuid", "container_uuid", "state", "log_uuid",
 372                                                                                          "output_uuid", "modified_at", "properties"]).execute(num_retries=self.num_retries)
 373                     except Exception as e:
 374                         logger.warning("Temporary error checking states on API server: %s", e)
 375                         remain_wait = self.poll_interval
 376                         continue
 377
 378                     for p in proc_states["items"]:
 379                         self.on_message({
 380                             "object_uuid": p["uuid"],
 381                             "event_type": "update",
 382                             "properties": {
 383                                 "new_attributes": p
 384                             }
 385                         })
 386                     keys = keys[pageSize:]
 387
 388                 finish_poll = time.time()
 389                 remain_wait = self.poll_interval - (finish_poll - begin_poll)
 390         except:
 391             logger.exception("Fatal error in state polling thread.")
 392             with self.workflow_eval_lock:
 393                 self.processes.clear()
 394                 self.workflow_eval_lock.notifyAll()
 395         finally:
 396             self.stop_polling.set()
 397
 398     def add_intermediate_output(self, uuid):
 399         if uuid:
 400             self.intermediate_output_collections.append(uuid)
 401
 402     def trash_intermediate_output(self):
 403         logger.info("Cleaning up intermediate output collections")
 404         for i in self.intermediate_output_collections:
 405             try:
 406                 self.api.collections().delete(uuid=i).execute(num_retries=self.num_retries)
 407             except Exception:
 408                 logger.warning("Failed to delete intermediate output: %s", sys.exc_info()[1], exc_info=(sys.exc_info()[1] if self.debug else False))
 409             except (KeyboardInterrupt, SystemExit):
 410                 break
 411
 412     def check_features(self, obj, parentfield=""):
 413         if isinstance(obj, dict):
 414             if obj.get("class") == "DockerRequirement":
 415                 if obj.get("dockerOutputDirectory"):
 416                     if not obj.get("dockerOutputDirectory").startswith('/'):
 417                         raise SourceLine(obj, "dockerOutputDirectory", validate.ValidationException).makeError(
 418                             "Option 'dockerOutputDirectory' must be an absolute path.")
 419             if obj.get("class") == "InplaceUpdateRequirement":
 420                 if obj["inplaceUpdate"] and parentfield == "requirements":
 421                     raise SourceLine(obj, "class", UnsupportedRequirement).makeError("InplaceUpdateRequirement not supported for keep collections.")
 422             for k,v in viewitems(obj):
 423                 self.check_features(v, parentfield=k)
 424         elif isinstance(obj, list):
 425             for i,v in enumerate(obj):
 426                 with SourceLine(obj, i, UnsupportedRequirement, logger.isEnabledFor(logging.DEBUG)):
 427                     self.check_features(v, parentfield=parentfield)
 428
 429     def make_output_collection(self, name, storage_classes, tagsString, output_properties, outputObj):
 430         outputObj = copy.deepcopy(outputObj)
 431
 432         files = []
 433         def capture(fileobj):
 434             files.append(fileobj)
 435
 436         adjustDirObjs(outputObj, capture)
 437         adjustFileObjs(outputObj, capture)
 438
 439         generatemapper = NoFollowPathMapper(files, "", "", separateDirs=False)
 440
 441         final = arvados.collection.Collection(api_client=self.api,
 442                                               keep_client=self.keep_client,
 443                                               num_retries=self.num_retries)
 444
 445         for k,v in generatemapper.items():
 446             if v.type == "Directory" and v.resolved.startswith("_:"):
 447                     continue
 448             if v.type == "CreateFile" and (k.startswith("_:") or v.resolved.startswith("_:")):
 449                 with final.open(v.target, "wb") as f:
 450                     f.write(v.resolved.encode("utf-8"))
 451                     continue
 452
 453             if not v.resolved.startswith("keep:"):
 454                 raise Exception("Output source is not in keep or a literal")
 455             sp = v.resolved.split("/")
 456             srccollection = sp[0][5:]
 457             try:
 458                 reader = self.collection_cache.get(srccollection)
 459                 srcpath = urllib.parse.unquote("/".join(sp[1:]) if len(sp) > 1 else ".")
 460                 final.copy(srcpath, v.target, source_collection=reader, overwrite=False)
 461             except arvados.errors.ArgumentError as e:
 462                 logger.error("Creating CollectionReader for '%s' '%s': %s", k, v, e)
 463                 raise
 464             except IOError as e:
 465                 logger.error("While preparing output collection: %s", e)
 466                 raise
 467
 468         def rewrite(fileobj):
 469             fileobj["location"] = generatemapper.mapper(fileobj["location"]).target
 470             for k in ("listing", "contents", "nameext", "nameroot", "dirname"):
 471                 if k in fileobj:
 472                     del fileobj[k]
 473
 474         adjustDirObjs(outputObj, rewrite)
 475         adjustFileObjs(outputObj, rewrite)
 476
 477         with final.open("cwl.output.json", "w") as f:
 478             res = str(json.dumps(outputObj, sort_keys=True, indent=4, separators=(',',': '), ensure_ascii=False))
 479             f.write(res)
 480
 481
 482         final.save_new(name=name, owner_uuid=self.project_uuid, storage_classes=storage_classes,
 483                        ensure_unique_name=True, properties=output_properties)
 484
 485         logger.info("Final output collection %s \"%s\" (%s)", final.portable_data_hash(),
 486                     final.api_response()["name"],
 487                     final.manifest_locator())
 488
 489         final_uuid = final.manifest_locator()
 490         tags = tagsString.split(',')
 491         for tag in tags:
 492              self.api.links().create(body={
 493                 "head_uuid": final_uuid, "link_class": "tag", "name": tag
 494                 }).execute(num_retries=self.num_retries)
 495
 496         def finalcollection(fileobj):
 497             fileobj["location"] = "keep:%s/%s" % (final.portable_data_hash(), fileobj["location"])
 498
 499         adjustDirObjs(outputObj, finalcollection)
 500         adjustFileObjs(outputObj, finalcollection)
 501
 502         return (outputObj, final)
 503
 504     def set_crunch_output(self):
 505         if self.work_api == "containers":
 506             current = arvados_cwl.util.get_current_container(self.api, self.num_retries, logger)
 507             if current is None:
 508                 return
 509             try:
 510                 self.api.containers().update(uuid=current['uuid'],
 511                                              body={
 512                                                  'output': self.final_output_collection.portable_data_hash(),
 513                                                  'output_properties': self.final_output_collection.get_properties(),
 514                                              }).execute(num_retries=self.num_retries)
 515                 self.api.collections().update(uuid=self.final_output_collection.manifest_locator(),
 516                                               body={
 517                                                   'is_trashed': True
 518                                               }).execute(num_retries=self.num_retries)
 519             except Exception:
 520                 logger.exception("Setting container output")
 521                 raise
 522
 523     def apply_reqs(self, job_order_object, tool):
 524         if "https://w3id.org/cwl/cwl#requirements" in job_order_object:
 525             if tool.metadata.get("http://commonwl.org/cwltool#original_cwlVersion") == 'v1.0':
 526                 raise WorkflowException(
 527                     "`cwl:requirements` in the input object is not part of CWL "
 528                     "v1.0. You can adjust to use `cwltool:overrides` instead; or you "
 529                     "can set the cwlVersion to v1.1 or greater and re-run with "
 530                     "--enable-dev.")
 531             job_reqs = job_order_object["https://w3id.org/cwl/cwl#requirements"]
 532             for req in job_reqs:
 533                 tool.requirements.append(req)
 534
 535     @staticmethod
 536     def get_git_info(tool):
 537         in_a_git_repo = False
 538         cwd = None
 539         filepath = None
 540
 541         if tool.tool["id"].startswith("file://"):
 542             # check if git is installed
 543             try:
 544                 filepath = uri_file_path(tool.tool["id"])
 545                 cwd = os.path.dirname(filepath)
 546                 subprocess.run(["git", "log", "--format=%H", "-n1", "HEAD"], cwd=cwd, check=True, capture_output=True, text=True)
 547                 in_a_git_repo = True
 548             except Exception as e:
 549                 pass
 550
 551         gitproperties = {}
 552
 553         if in_a_git_repo:
 554             git_commit = subprocess.run(["git", "log", "--format=%H", "-n1", "HEAD"], cwd=cwd, capture_output=True, text=True).stdout
 555             git_date = subprocess.run(["git", "log", "--format=%cD", "-n1", "HEAD"], cwd=cwd, capture_output=True, text=True).stdout
 556             git_committer = subprocess.run(["git", "log", "--format=%cn <%ce>", "-n1", "HEAD"], cwd=cwd, capture_output=True, text=True).stdout
 557             git_branch = subprocess.run(["git", "rev-parse", "--abbrev-ref", "HEAD"], cwd=cwd, capture_output=True, text=True).stdout
 558             git_origin = subprocess.run(["git", "remote", "get-url", "origin"], cwd=cwd, capture_output=True, text=True).stdout
 559             git_status = subprocess.run(["git", "status", "--untracked-files=no", "--porcelain"], cwd=cwd, capture_output=True, text=True).stdout
 560             git_describe = subprocess.run(["git", "describe", "--always", "--tags"], cwd=cwd, capture_output=True, text=True).stdout
 561             git_toplevel = subprocess.run(["git", "rev-parse", "--show-toplevel"], cwd=cwd, capture_output=True, text=True).stdout
 562             git_path = filepath[len(git_toplevel):]
 563
 564             gitproperties = {
 565                 "http://arvados.org/cwl#gitCommit": git_commit.strip(),
 566                 "http://arvados.org/cwl#gitDate": git_date.strip(),
 567                 "http://arvados.org/cwl#gitCommitter": git_committer.strip(),
 568                 "http://arvados.org/cwl#gitBranch": git_branch.strip(),
 569                 "http://arvados.org/cwl#gitOrigin": git_origin.strip(),
 570                 "http://arvados.org/cwl#gitStatus": git_status.strip(),
 571                 "http://arvados.org/cwl#gitDescribe": git_describe.strip(),
 572                 "http://arvados.org/cwl#gitPath": git_path.strip(),
 573             }
 574         else:
 575             for g in ("http://arvados.org/cwl#gitCommit",
 576                       "http://arvados.org/cwl#gitDate",
 577                       "http://arvados.org/cwl#gitCommitter",
 578                       "http://arvados.org/cwl#gitBranch",
 579                       "http://arvados.org/cwl#gitOrigin",
 580                       "http://arvados.org/cwl#gitStatus",
 581                       "http://arvados.org/cwl#gitDescribe",
 582                       "http://arvados.org/cwl#gitPath"):
 583                 if g in tool.metadata:
 584                     gitproperties[g] = tool.metadata[g]
 585
 586         return gitproperties
 587
 588     def set_container_request_properties(self, container, properties):
 589         resp = self.api.container_requests().list(filters=[["container_uuid", "=", container["uuid"]]], select=["uuid", "properties"]).execute(num_retries=self.num_retries)
 590         for cr in resp["items"]:
 591             cr["properties"].update({k.replace("http://arvados.org/cwl#", "arv:"): v for k, v in properties.items()})
 592             self.api.container_requests().update(uuid=cr["uuid"], body={"container_request": {"properties": cr["properties"]}}).execute(num_retries=self.num_retries)
 593
 594     def arv_executor(self, updated_tool, job_order, runtimeContext, logger=None):
 595         self.debug = runtimeContext.debug
 596
 597         self.runtime_status_update("activity", "initialization")
 598
 599         git_info = self.get_git_info(updated_tool) if self.git_info else {}
 600         if git_info:
 601             logger.info("Git provenance")
 602             for g in git_info:
 603                 if git_info[g]:
 604                     logger.info("  %s: %s", g.split("#", 1)[1], git_info[g])
 605
 606         workbench1 = self.api.config()["Services"]["Workbench1"]["ExternalURL"]
 607         workbench2 = self.api.config()["Services"]["Workbench2"]["ExternalURL"]
 608         controller = self.api.config()["Services"]["Controller"]["ExternalURL"]
 609         logger.info("Using cluster %s (%s)", self.api.config()["ClusterID"], workbench2 or workbench1 or controller)
 610
 611         if not self.fast_submit:
 612             updated_tool.visit(self.check_features)
 613
 614         self.pipeline = None
 615         self.fs_access = runtimeContext.make_fs_access(runtimeContext.basedir)
 616         self.secret_store = runtimeContext.secret_store
 617
 618         self.trash_intermediate = runtimeContext.trash_intermediate
 619         if self.trash_intermediate and self.work_api != "containers":
 620             raise Exception("--trash-intermediate is only supported with --api=containers.")
 621
 622         self.intermediate_output_ttl = runtimeContext.intermediate_output_ttl
 623         if self.intermediate_output_ttl and self.work_api != "containers":
 624             raise Exception("--intermediate-output-ttl is only supported with --api=containers.")
 625         if self.intermediate_output_ttl < 0:
 626             raise Exception("Invalid value %d for --intermediate-output-ttl, cannot be less than zero" % self.intermediate_output_ttl)
 627
 628         if runtimeContext.submit_request_uuid and self.work_api != "containers":
 629             raise Exception("--submit-request-uuid requires containers API, but using '{}' api".format(self.work_api))
 630
 631         runtimeContext = runtimeContext.copy()
 632
 633         default_storage_classes = ",".join([k for k,v in self.api.config().get("StorageClasses", {"default": {"Default": True}}).items() if v.get("Default") is True])
 634         if runtimeContext.storage_classes == "default":
 635             runtimeContext.storage_classes = default_storage_classes
 636         if runtimeContext.intermediate_storage_classes == "default":
 637             runtimeContext.intermediate_storage_classes = default_storage_classes
 638
 639         if not runtimeContext.name:
 640             self.name = updated_tool.tool.get("label") or updated_tool.metadata.get("label") or os.path.basename(updated_tool.tool["id"])
 641             if git_info.get("http://arvados.org/cwl#gitDescribe"):
 642                 self.name = "%s (%s)" % (self.name, git_info.get("http://arvados.org/cwl#gitDescribe"))
 643             runtimeContext.name = self.name
 644
 645         if runtimeContext.copy_deps is None and (runtimeContext.create_workflow or runtimeContext.update_workflow):
 646             # When creating or updating workflow record, by default
 647             # always copy dependencies and ensure Docker images are up
 648             # to date.
 649             runtimeContext.copy_deps = True
 650             runtimeContext.match_local_docker = True
 651
 652         if runtimeContext.update_workflow and self.project_uuid is None:
 653             # If we are updating a workflow, make sure anything that
 654             # gets uploaded goes into the same parent project, unless
 655             # an alternate --project-uuid was provided.
 656             existing_wf = self.api.workflows().get(uuid=runtimeContext.update_workflow).execute()
 657             runtimeContext.project_uuid = existing_wf["owner_uuid"]
 658
 659         self.project_uuid = runtimeContext.project_uuid
 660
 661         self.runtime_status_update("activity", "data transfer")
 662
 663         # Upload local file references in the job order.
 664         with Perf(metrics, "upload_job_order"):
 665             job_order, jobmapper = upload_job_order(self, "%s input" % runtimeContext.name,
 666                                          updated_tool, job_order, runtimeContext)
 667
 668         # determine if we are submitting or directly executing the workflow.
 669         #
 670         # the last clause means: if it is a command line tool, and we
 671         # are going to wait for the result, and always_submit_runner
 672         # is false, then we don't submit a runner process.
 673
 674         submitting = (runtimeContext.update_workflow or
 675                       runtimeContext.create_workflow or
 676                       (runtimeContext.submit and not
 677                        (updated_tool.tool["class"] == "CommandLineTool" and
 678                         runtimeContext.wait and
 679                         not runtimeContext.always_submit_runner)))
 680
 681         loadingContext = self.loadingContext.copy()
 682         loadingContext.do_validate = False
 683         loadingContext.disable_js_validation = True
 684         tool = updated_tool
 685
 686         # Upload direct dependencies of workflow steps, get back mapping of files to keep references.
 687         # Also uploads docker images.
 688         if not self.fast_submit:
 689             logger.info("Uploading workflow dependencies")
 690             with Perf(metrics, "upload_workflow_deps"):
 691                 merged_map = upload_workflow_deps(self, tool, runtimeContext)
 692         else:
 693             # in the fast submit case, we are running a workflow that
 694             # has already been uploaded to Arvados, so we assume all
 695             # the dependencies have been pinned to keep references and
 696             # there is nothing to do.
 697             merged_map = {}
 698
 699         loadingContext.loader = tool.doc_loader
 700         loadingContext.avsc_names = tool.doc_schema
 701         loadingContext.metadata = tool.metadata
 702         loadingContext.skip_resolve_all = True
 703
 704         workflow_wrapper = None
 705         if submitting and not self.fast_submit:
 706             # upload workflow and get back the workflow wrapper
 707
 708             workflow_wrapper = upload_workflow(self, tool, job_order,
 709                                                runtimeContext.project_uuid,
 710                                                runtimeContext,
 711                                                uuid=runtimeContext.update_workflow,
 712                                                submit_runner_ram=runtimeContext.submit_runner_ram,
 713                                                name=runtimeContext.name,
 714                                                merged_map=merged_map,
 715                                                submit_runner_image=runtimeContext.submit_runner_image,
 716                                                git_info=git_info,
 717                                                set_defaults=(runtimeContext.update_workflow or runtimeContext.create_workflow),
 718                                                jobmapper=jobmapper)
 719
 720             if runtimeContext.update_workflow or runtimeContext.create_workflow:
 721                 # We're registering the workflow, so create or update
 722                 # the workflow record and then exit.
 723                 uuid = make_workflow_record(self, workflow_wrapper, runtimeContext.name, tool,
 724                                             runtimeContext.project_uuid, runtimeContext.update_workflow)
 725                 self.stdout.write(uuid + "\n")
 726                 return (None, "success")
 727
 728             # Did not register a workflow, we're going to submit
 729             # it instead.
 730             loadingContext.loader.idx.clear()
 731             loadingContext.loader.idx["_:main"] = workflow_wrapper
 732             workflow_wrapper["id"] = "_:main"
 733
 734             # Reload the minimal wrapper workflow.
 735             self.fast_submit = True
 736             tool = load_tool(workflow_wrapper, loadingContext)
 737             loadingContext.loader.idx["_:main"] = workflow_wrapper
 738
 739         if not submitting:
 740             # If we are going to run the workflow now (rather than
 741             # submit it), we need to update the workflow document
 742             # replacing file references with keep references.  If we
 743             # are just going to construct a run submission, we don't
 744             # need to do this.
 745             update_from_merged_map(tool, merged_map)
 746
 747         self.apply_reqs(job_order, tool)
 748
 749         self.ignore_docker_for_reuse = runtimeContext.ignore_docker_for_reuse
 750         self.eval_timeout = runtimeContext.eval_timeout
 751
 752         runtimeContext.use_container = True
 753         runtimeContext.tmpdir_prefix = "tmp"
 754         runtimeContext.work_api = self.work_api
 755
 756         if not self.output_name:
 757              self.output_name = "Output from workflow %s" % runtimeContext.name
 758
 759         self.output_name  = cleanup_name_for_collection(self.output_name)
 760
 761         if self.work_api == "containers":
 762             if self.ignore_docker_for_reuse:
 763                 raise Exception("--ignore-docker-for-reuse not supported with containers API.")
 764             runtimeContext.outdir = "/var/spool/cwl"
 765             runtimeContext.docker_outdir = "/var/spool/cwl"
 766             runtimeContext.tmpdir = "/tmp"
 767             runtimeContext.docker_tmpdir = "/tmp"
 768
 769         if runtimeContext.priority < 1 or runtimeContext.priority > 1000:
 770             raise Exception("--priority must be in the range 1..1000.")
 771
 772         if self.should_estimate_cache_size:
 773             visited = set()
 774             estimated_size = [0]
 775             def estimate_collection_cache(obj):
 776                 if obj.get("location", "").startswith("keep:"):
 777                     m = pdh_size.match(obj["location"][5:])
 778                     if m and m.group(1) not in visited:
 779                         visited.add(m.group(1))
 780                         estimated_size[0] += int(m.group(2))
 781             visit_class(job_order, ("File", "Directory"), estimate_collection_cache)
 782             runtimeContext.collection_cache_size = max(((estimated_size[0]*192) // (1024*1024))+1, 256)
 783             self.collection_cache.set_cap(runtimeContext.collection_cache_size*1024*1024)
 784
 785         logger.info("Using collection cache size %s MiB", runtimeContext.collection_cache_size)
 786
 787         runnerjob = None
 788         if runtimeContext.submit:
 789             # We are submitting instead of running immediately.
 790             #
 791             # Create a "Runner job" that when run() is invoked,
 792             # creates the container request to run the workflow.
 793             if self.work_api == "containers":
 794                 if submitting:
 795                     loadingContext.metadata = updated_tool.metadata.copy()
 796                     tool = RunnerContainer(self, tool, loadingContext, runtimeContext.enable_reuse,
 797                                            self.output_name,
 798                                            self.output_tags,
 799                                            submit_runner_ram=runtimeContext.submit_runner_ram,
 800                                            name=runtimeContext.name,
 801                                            on_error=runtimeContext.on_error,
 802                                            submit_runner_image=runtimeContext.submit_runner_image,
 803                                            intermediate_output_ttl=runtimeContext.intermediate_output_ttl,
 804                                            merged_map=merged_map,
 805                                            priority=runtimeContext.priority,
 806                                            secret_store=self.secret_store,
 807                                            collection_cache_size=runtimeContext.collection_cache_size,
 808                                            collection_cache_is_default=self.should_estimate_cache_size,
 809                                            git_info=git_info)
 810                 else:
 811                     runtimeContext.runnerjob = tool.tool["id"]
 812
 813         if runtimeContext.cwl_runner_job is not None:
 814             self.uuid = runtimeContext.cwl_runner_job.get('uuid')
 815
 816         jobiter = tool.job(job_order,
 817                            self.output_callback,
 818                            runtimeContext)
 819
 820         if runtimeContext.submit and not runtimeContext.wait:
 821             # User provided --no-wait so submit the container request,
 822             # get the container request uuid, print it out, and exit.
 823             runnerjob = next(jobiter)
 824             runnerjob.run(runtimeContext)
 825             self.stdout.write(runnerjob.uuid+"\n")
 826             return (None, "success")
 827
 828         # We either running the workflow directly, or submitting it
 829         # and will wait for a final result.
 830
 831         self.runtime_status_update("activity", "workflow execution")
 832
 833         current_container = arvados_cwl.util.get_current_container(self.api, self.num_retries, logger)
 834         if current_container:
 835             logger.info("Running inside container %s", current_container.get("uuid"))
 836             self.set_container_request_properties(current_container, git_info)
 837
 838         self.poll_api = arvados.api('v1', timeout=runtimeContext.http_timeout)
 839         self.polling_thread = threading.Thread(target=self.poll_states)
 840         self.polling_thread.start()
 841
 842         self.task_queue = TaskQueue(self.workflow_eval_lock, self.thread_count)
 843
 844         try:
 845             self.workflow_eval_lock.acquire()
 846
 847             # Holds the lock while this code runs and releases it when
 848             # it is safe to do so in self.workflow_eval_lock.wait(),
 849             # at which point on_message can update job state and
 850             # process output callbacks.
 851
 852             loopperf = Perf(metrics, "jobiter")
 853             loopperf.__enter__()
 854             for runnable in jobiter:
 855                 loopperf.__exit__()
 856
 857                 if self.stop_polling.is_set():
 858                     break
 859
 860                 if self.task_queue.error is not None:
 861                     raise self.task_queue.error
 862
 863                 if runnable:
 864                     with Perf(metrics, "run"):
 865                         self.start_run(runnable, runtimeContext)
 866                 else:
 867                     if (self.task_queue.in_flight + len(self.processes)) > 0:
 868                         self.workflow_eval_lock.wait(3)
 869                     else:
 870                         logger.error("Workflow is deadlocked, no runnable processes and not waiting on any pending processes.")
 871                         break
 872
 873                 if self.stop_polling.is_set():
 874                     break
 875
 876                 loopperf.__enter__()
 877             loopperf.__exit__()
 878
 879             while (self.task_queue.in_flight + len(self.processes)) > 0:
 880                 if self.task_queue.error is not None:
 881                     raise self.task_queue.error
 882                 self.workflow_eval_lock.wait(3)
 883
 884         except UnsupportedRequirement:
 885             raise
 886         except:
 887             if sys.exc_info()[0] is KeyboardInterrupt or sys.exc_info()[0] is SystemExit:
 888                 logger.error("Interrupted, workflow will be cancelled")
 889             elif isinstance(sys.exc_info()[1], WorkflowException):
 890                 logger.error("Workflow execution failed:\n%s", sys.exc_info()[1], exc_info=(sys.exc_info()[1] if self.debug else False))
 891             else:
 892                 logger.exception("Workflow execution failed")
 893
 894             if self.pipeline:
 895                 self.api.pipeline_instances().update(uuid=self.pipeline["uuid"],
 896                                                      body={"state": "Failed"}).execute(num_retries=self.num_retries)
 897
 898             if self.work_api == "containers" and not current_container:
 899                 # Not running in a crunch container, so cancel any outstanding processes.
 900                 for p in self.processes:
 901                     try:
 902                         self.api.container_requests().update(uuid=p,
 903                                                              body={"priority": "0"}
 904                         ).execute(num_retries=self.num_retries)
 905                     except Exception:
 906                         pass
 907         finally:
 908             self.workflow_eval_lock.release()
 909             self.task_queue.drain()
 910             self.stop_polling.set()
 911             self.polling_thread.join()
 912             self.task_queue.join()
 913
 914         if self.final_status == "UnsupportedRequirement":
 915             raise UnsupportedRequirement("Check log for details.")
 916
 917         if self.final_output is None:
 918             raise WorkflowException("Workflow did not return a result.")
 919
 920         if runtimeContext.submit and isinstance(tool, Runner):
 921             logger.info("Final output collection %s", tool.final_output)
 922             if workbench2 or workbench1:
 923                 logger.info("Output at %scollections/%s", workbench2 or workbench1, tool.final_output)
 924         else:
 925             if self.output_tags is None:
 926                 self.output_tags = ""
 927
 928             storage_classes = ""
 929             storage_class_req, _ = tool.get_requirement("http://arvados.org/cwl#OutputStorageClass")
 930             if storage_class_req and storage_class_req.get("finalStorageClass"):
 931                 storage_classes = aslist(storage_class_req["finalStorageClass"])
 932             else:
 933                 storage_classes = runtimeContext.storage_classes.strip().split(",")
 934
 935             output_properties = {}
 936             output_properties_req, _ = tool.get_requirement("http://arvados.org/cwl#OutputCollectionProperties")
 937             if output_properties_req:
 938                 builder = make_builder(job_order, tool.hints, tool.requirements, runtimeContext, tool.metadata)
 939                 for pr in output_properties_req["outputProperties"]:
 940                     output_properties[pr["propertyName"]] = builder.do_eval(pr["propertyValue"])
 941
 942             self.final_output, self.final_output_collection = self.make_output_collection(self.output_name, storage_classes,
 943                                                                                           self.output_tags, output_properties,
 944                                                                                           self.final_output)
 945             self.set_crunch_output()
 946
 947         if runtimeContext.compute_checksum:
 948             adjustDirObjs(self.final_output, partial(get_listing, self.fs_access))
 949             adjustFileObjs(self.final_output, partial(compute_checksums, self.fs_access))
 950
 951         if self.trash_intermediate and self.final_status == "success":
 952             self.trash_intermediate_output()
 953
 954         return (self.final_output, self.final_status)