sdk/cwl/arvados_cwl/__init__.py

   1 #!/usr/bin/env python3
   2 # Copyright (C) The Arvados Authors. All rights reserved.
   3 #
   4 # SPDX-License-Identifier: Apache-2.0
   5
   6 # Implement cwl-runner interface for submitting and running work on Arvados, using
   7 # the Crunch containers API.
   8
   9 import argparse
  10 import importlib.metadata
  11 import importlib.resources
  12 import logging
  13 import os
  14 import sys
  15 import re
  16
  17 from schema_salad.sourceline import SourceLine
  18 import schema_salad.validate as validate
  19 import cwltool.main
  20 import cwltool.workflow
  21 import cwltool.process
  22 import cwltool.argparser
  23 from cwltool.errors import WorkflowException
  24 from cwltool.process import shortname, UnsupportedRequirement, use_custom_schema
  25 from cwltool.utils import adjustFileObjs, adjustDirObjs, get_listing
  26
  27 import arvados
  28 import arvados.config
  29 import arvados.logging
  30 from arvados.keep import KeepClient
  31 from arvados.errors import ApiError
  32 import arvados.commands._util as arv_cmd
  33
  34 from .perf import Perf
  35 from ._version import __version__
  36 from .executor import ArvCwlExecutor
  37 from .fsaccess import workflow_uuid_pattern
  38
  39 # These aren't used directly in this file but
  40 # other code expects to import them from here
  41 from .arvcontainer import ArvadosContainer
  42 from .arvtool import ArvadosCommandTool
  43 from .fsaccess import CollectionFsAccess, CollectionCache, CollectionFetcher
  44 from .util import get_current_container
  45 from .executor import RuntimeStatusLoggingHandler, DEFAULT_PRIORITY
  46 from .arvworkflow import ArvadosWorkflow
  47
  48 logger = logging.getLogger('arvados.cwl-runner')
  49 metrics = logging.getLogger('arvados.cwl-runner.metrics')
  50 logger.setLevel(logging.INFO)
  51
  52 arvados.log_handler.setFormatter(logging.Formatter(
  53         '%(asctime)s %(name)s %(levelname)s: %(message)s',
  54         '%Y-%m-%d %H:%M:%S'))
  55
  56 def versionstring():
  57     """Print version string of key packages for provenance and debugging."""
  58     return "{} {}, arvados-python-client {}, cwltool {}".format(
  59         sys.argv[0],
  60         importlib.metadata.version('arvados-cwl-runner'),
  61         importlib.metadata.version('arvados-python-client'),
  62         importlib.metadata.version('cwltool'),
  63     )
  64
  65 def arg_parser():  # type: () -> argparse.ArgumentParser
  66     parser = argparse.ArgumentParser(
  67         description='Arvados executor for Common Workflow Language',
  68         parents=[arv_cmd.retry_opt],
  69     )
  70
  71     parser.add_argument("--basedir",
  72                         help="Base directory used to resolve relative references in the input, default to directory of input object file or current directory (if inputs piped/provided on command line).")
  73     parser.add_argument("--outdir", default=os.path.abspath('.'),
  74                         help="Output directory, default current directory")
  75
  76     parser.add_argument("--eval-timeout",
  77                         help="Time to wait for a Javascript expression to evaluate before giving an error, default 20s.",
  78                         type=float,
  79                         default=20)
  80
  81     exgroup = parser.add_mutually_exclusive_group()
  82     exgroup.add_argument("--print-dot", action="store_true",
  83                          help="Print workflow visualization in graphviz format and exit")
  84     exgroup.add_argument("--version", action="version", help="Print version and exit", version=versionstring())
  85     exgroup.add_argument("--validate", action="store_true", help="Validate CWL document only.")
  86
  87     exgroup = parser.add_mutually_exclusive_group()
  88     exgroup.add_argument("--verbose", action="store_true", help="Default logging")
  89     exgroup.add_argument("--quiet", action="store_true", help="Only print warnings and errors.")
  90     exgroup.add_argument("--debug", action="store_true", help="Print even more logging")
  91
  92     parser.add_argument("--metrics", action="store_true", help="Print timing metrics")
  93
  94     parser.add_argument("--tool-help", action="store_true", help="Print command line help for tool")
  95
  96     exgroup = parser.add_mutually_exclusive_group()
  97     exgroup.add_argument("--enable-reuse", action="store_true",
  98                         default=True, dest="enable_reuse",
  99                         help="Enable container reuse (default)")
 100     exgroup.add_argument("--disable-reuse", action="store_false",
 101                         default=True, dest="enable_reuse",
 102                         help="Disable container reuse")
 103
 104     parser.add_argument("--project-uuid", metavar="UUID", help="Project that will own the workflow containers, if not provided, will go to home project.")
 105     parser.add_argument("--output-name", help="Name to use for collection that stores the final output.", default=None)
 106     parser.add_argument("--output-tags", help="Tags for the final output collection separated by commas, e.g., '--output-tags tag0,tag1,tag2'.", default=None)
 107     parser.add_argument("--ignore-docker-for-reuse", action="store_true",
 108                         help="Ignore Docker image version when deciding whether to reuse past containers.",
 109                         default=False)
 110
 111     exgroup = parser.add_mutually_exclusive_group()
 112     exgroup.add_argument("--submit", action="store_true", help="Submit workflow to run on Arvados.",
 113                         default=True, dest="submit")
 114     exgroup.add_argument("--local", action="store_false", help="Run workflow on local host (submits containers to Arvados).",
 115                         default=True, dest="submit")
 116     exgroup.add_argument("--create-template", action="store_true", help="(Deprecated) synonym for --create-workflow.",
 117                          dest="create_workflow")
 118     exgroup.add_argument("--create-workflow", action="store_true", help="Register an Arvados workflow that can be run from Workbench")
 119     exgroup.add_argument("--update-workflow", metavar="UUID", help="Update an existing Arvados workflow with the given UUID.")
 120
 121     exgroup.add_argument("--print-keep-deps", action="store_true", help="To assist copying, print a list of Keep collections that this workflow depends on.")
 122
 123     exgroup = parser.add_mutually_exclusive_group()
 124     exgroup.add_argument("--wait", action="store_true", help="After submitting workflow runner, wait for completion.",
 125                         default=True, dest="wait")
 126     exgroup.add_argument("--no-wait", action="store_false", help="Submit workflow runner and exit.",
 127                         default=True, dest="wait")
 128
 129     exgroup = parser.add_mutually_exclusive_group()
 130     exgroup.add_argument("--log-timestamps", action="store_true", help="Prefix logging lines with timestamp",
 131                         default=True, dest="log_timestamps")
 132     exgroup.add_argument("--no-log-timestamps", action="store_false", help="No timestamp on logging lines",
 133                         default=True, dest="log_timestamps")
 134
 135     parser.add_argument("--api",
 136                         default=None, dest="work_api",
 137                         choices=("containers",),
 138                         help="Select work submission API.  Only supports 'containers'")
 139
 140     parser.add_argument("--compute-checksum", action="store_true", default=False,
 141                         help="Compute checksum of contents while collecting outputs",
 142                         dest="compute_checksum")
 143
 144     parser.add_argument("--submit-runner-ram", type=int,
 145                         help="RAM (in MiB) required for the workflow runner job (default 1024)",
 146                         default=None)
 147
 148     parser.add_argument("--submit-runner-image",
 149                         help="Docker image for workflow runner job, default arvados/jobs:%s" % __version__,
 150                         default=None)
 151
 152     parser.add_argument("--always-submit-runner", action="store_true",
 153                         help="When invoked with --submit --wait, always submit a runner to manage the workflow, even when only running a single CommandLineTool",
 154                         default=False)
 155
 156     parser.add_argument("--match-submitter-images", action="store_true",
 157                         default=False, dest="match_local_docker",
 158                         help="Where Arvados has more than one Docker image of the same name, use image from the Docker instance on the submitting node.")
 159
 160     exgroup = parser.add_mutually_exclusive_group()
 161     exgroup.add_argument("--submit-request-uuid",
 162                          default=None,
 163                          help="Update and commit to supplied container request instead of creating a new one.",
 164                          metavar="UUID")
 165     exgroup.add_argument("--submit-runner-cluster",
 166                          help="Submit workflow runner to a remote cluster",
 167                          default=None,
 168                          metavar="CLUSTER_ID")
 169
 170     parser.add_argument("--collection-cache-size", type=int,
 171                         default=None,
 172                         help="Collection cache size (in MiB, default 256).")
 173
 174     parser.add_argument("--name",
 175                         help="Name to use for workflow execution instance.",
 176                         default=None)
 177
 178     parser.add_argument("--on-error",
 179                         help="Desired workflow behavior when a step fails.  One of 'stop' (do not submit any more steps) or "
 180                         "'continue' (may submit other steps that are not downstream from the error). Default is 'continue'.",
 181                         default="continue", choices=("stop", "continue"))
 182
 183     parser.add_argument("--enable-dev", action="store_true",
 184                         help="Enable loading and running development versions "
 185                              "of the CWL standards.", default=False)
 186     parser.add_argument('--storage-classes', default="default",
 187                         help="Specify comma separated list of storage classes to be used when saving final workflow output to Keep.")
 188     parser.add_argument('--intermediate-storage-classes', default="default",
 189                         help="Specify comma separated list of storage classes to be used when saving intermediate workflow output to Keep.")
 190
 191     parser.add_argument("--intermediate-output-ttl", type=int, metavar="N",
 192                         help="If N > 0, intermediate output collections will be trashed N seconds after creation.  Default is 0 (don't trash).",
 193                         default=0)
 194
 195     parser.add_argument("--priority", type=int,
 196                         help="Workflow priority (range 1..1000, higher has precedence over lower)",
 197                         default=DEFAULT_PRIORITY)
 198
 199     parser.add_argument("--disable-validate", dest="do_validate",
 200                         action="store_false", default=True,
 201                         help=argparse.SUPPRESS)
 202
 203     parser.add_argument("--disable-git", dest="git_info",
 204                         action="store_false", default=True,
 205                         help=argparse.SUPPRESS)
 206
 207     parser.add_argument("--disable-color", dest="enable_color",
 208                         action="store_false", default=True,
 209                         help=argparse.SUPPRESS)
 210
 211     parser.add_argument("--disable-js-validation",
 212                         action="store_true", default=False,
 213                         help=argparse.SUPPRESS)
 214
 215     parser.add_argument("--fast-parser", dest="fast_parser",
 216                         action="store_true", default=False,
 217                         help=argparse.SUPPRESS)
 218
 219     parser.add_argument("--thread-count", type=int,
 220                         default=0, help="Number of threads to use for job submit and output collection.")
 221
 222     parser.add_argument("--http-timeout", type=int,
 223                         default=5*60, dest="http_timeout", help="API request timeout in seconds. Default is 300 seconds (5 minutes).")
 224
 225     parser.add_argument("--defer-downloads", action="store_true", default=False,
 226                         help="When submitting a workflow, defer downloading HTTP URLs to workflow launch instead of downloading to Keep before submit.")
 227
 228     parser.add_argument("--varying-url-params", type=str, default="",
 229                         help="A comma separated list of URL query parameters that should be ignored when storing HTTP URLs in Keep.")
 230
 231     parser.add_argument("--prefer-cached-downloads", action="store_true", default=False,
 232                         help="If a HTTP URL is found in Keep, skip upstream URL freshness check (will not notice if the upstream has changed, but also not error if upstream is unavailable).")
 233
 234     exgroup = parser.add_mutually_exclusive_group()
 235     exgroup.add_argument("--enable-preemptible", dest="enable_preemptible", default=None, action="store_true", help="Use preemptible instances. Control individual steps with arv:UsePreemptible hint.")
 236     exgroup.add_argument("--disable-preemptible", dest="enable_preemptible", default=None, action="store_false", help="Don't use preemptible instances.")
 237
 238     exgroup = parser.add_mutually_exclusive_group()
 239     exgroup.add_argument("--copy-deps", dest="copy_deps", default=None, action="store_true", help="Copy dependencies into the destination project.")
 240     exgroup.add_argument("--no-copy-deps", dest="copy_deps", default=None, action="store_false", help="Leave dependencies where they are.")
 241
 242     parser.add_argument(
 243         "--skip-schemas",
 244         action="store_true",
 245         help="Skip loading of schemas",
 246         default=False,
 247         dest="skip_schemas",
 248     )
 249
 250     exgroup = parser.add_mutually_exclusive_group()
 251     exgroup.add_argument("--trash-intermediate", action="store_true",
 252                         default=False, dest="trash_intermediate",
 253                          help="Immediately trash intermediate outputs on workflow success.")
 254     exgroup.add_argument("--no-trash-intermediate", action="store_false",
 255                         default=False, dest="trash_intermediate",
 256                         help="Do not trash intermediate outputs (default).")
 257
 258     exgroup = parser.add_mutually_exclusive_group()
 259     exgroup.add_argument("--enable-usage-report", dest="enable_usage_report", default=None, action="store_true", help="Create usage_report.html with a summary of each step's resource usage.")
 260     exgroup.add_argument("--disable-usage-report", dest="enable_usage_report", default=None, action="store_false", help="Disable usage report.")
 261
 262     parser.add_argument("workflow", default=None, help="The workflow to execute")
 263     parser.add_argument("job_order", nargs=argparse.REMAINDER, help="The input object to the workflow.")
 264
 265     return parser
 266
 267 def add_arv_hints():
 268     cwltool.command_line_tool.ACCEPTLIST_EN_RELAXED_RE = re.compile(r".*")
 269     cwltool.command_line_tool.ACCEPTLIST_RE = cwltool.command_line_tool.ACCEPTLIST_EN_RELAXED_RE
 270     supported_versions = ["v1.0", "v1.1", "v1.2"]
 271     for s in supported_versions:
 272         customschema = importlib.resources.read_text(__name__, f'arv-cwl-schema-{s}.yml', 'utf-8')
 273         use_custom_schema(s, "http://arvados.org/cwl", customschema)
 274     cwltool.process.supportedProcessRequirements.extend([
 275         "http://arvados.org/cwl#RunInSingleContainer",
 276         "http://arvados.org/cwl#OutputDirType",
 277         "http://arvados.org/cwl#RuntimeConstraints",
 278         "http://arvados.org/cwl#PartitionRequirement",
 279         "http://arvados.org/cwl#APIRequirement",
 280         "http://commonwl.org/cwltool#LoadListingRequirement",
 281         "http://arvados.org/cwl#IntermediateOutput",
 282         "http://arvados.org/cwl#ReuseRequirement",
 283         "http://arvados.org/cwl#ClusterTarget",
 284         "http://arvados.org/cwl#OutputStorageClass",
 285         "http://arvados.org/cwl#ProcessProperties",
 286         "http://commonwl.org/cwltool#CUDARequirement",
 287         "http://arvados.org/cwl#UsePreemptible",
 288         "http://arvados.org/cwl#OutputCollectionProperties",
 289         "http://arvados.org/cwl#KeepCacheTypeRequirement",
 290         "http://arvados.org/cwl#OutOfMemoryRetry",
 291     ])
 292
 293 def exit_signal_handler(sigcode, frame):
 294     logger.error(str(u"Caught signal {}, exiting.").format(sigcode))
 295     sys.exit(-sigcode)
 296
 297 def main(args=sys.argv[1:],
 298          stdout=sys.stdout,
 299          stderr=sys.stderr,
 300          api_client=None,
 301          keep_client=None,
 302          install_sig_handlers=True):
 303     parser = arg_parser()
 304
 305     job_order_object = None
 306     arvargs = parser.parse_args(args)
 307
 308     arvargs.use_container = True
 309     arvargs.relax_path_checks = True
 310     arvargs.print_supported_versions = False
 311
 312     if install_sig_handlers:
 313         arv_cmd.install_signal_handlers()
 314
 315     if arvargs.update_workflow:
 316         if arvargs.update_workflow.find('-7fd4e-') == 5:
 317             want_api = 'containers'
 318         else:
 319             want_api = None
 320         if want_api and arvargs.work_api and want_api != arvargs.work_api:
 321             logger.error(str(u'--update-workflow arg {!r} uses {!r} API, but --api={!r} specified').format(
 322                 arvargs.update_workflow, want_api, arvargs.work_api))
 323             return 1
 324         arvargs.work_api = want_api
 325
 326     workflow_op = arvargs.create_workflow or arvargs.update_workflow or arvargs.print_keep_deps
 327
 328     if workflow_op and not arvargs.job_order:
 329         job_order_object = ({}, "")
 330
 331     add_arv_hints()
 332
 333     for key, val in cwltool.argparser.get_default_args().items():
 334         if not hasattr(arvargs, key):
 335             setattr(arvargs, key, val)
 336
 337     try:
 338         if api_client is None:
 339             api_client = arvados.safeapi.ThreadSafeApiCache(
 340                 api_params={
 341                     'num_retries': arvargs.retries,
 342                     'timeout': arvargs.http_timeout,
 343                 },
 344                 keep_params={
 345                     'num_retries': arvargs.retries,
 346                 },
 347                 version='v1',
 348             )
 349             keep_client = api_client.keep
 350             # Make an API object now so errors are reported early.
 351             api_client.users().current().execute()
 352         if keep_client is None:
 353             block_cache = arvados.keep.KeepBlockCache(disk_cache=True)
 354             keep_client = arvados.keep.KeepClient(
 355                 api_client=api_client,
 356                 block_cache=block_cache,
 357                 num_retries=arvargs.retries,
 358             )
 359         executor = ArvCwlExecutor(
 360             api_client,
 361             arvargs,
 362             keep_client=keep_client,
 363             num_retries=arvargs.retries,
 364             stdout=stdout,
 365         )
 366     except WorkflowException as e:
 367         logger.error(e, exc_info=(sys.exc_info()[1] if arvargs.debug else False))
 368         return 1
 369     except Exception:
 370         logger.exception("Error creating the Arvados CWL Executor")
 371         return 1
 372
 373     # Note that unless in debug mode, some stack traces related to user
 374     # workflow errors may be suppressed.
 375
 376     # Set the logging on most modules INFO (instead of default which is WARNING)
 377     logger.setLevel(logging.INFO)
 378     logging.getLogger('arvados').setLevel(logging.INFO)
 379     logging.getLogger('arvados.keep').setLevel(logging.WARNING)
 380     # API retries are filtered to the INFO level and can be noisy, but as long as
 381     # they succeed we don't need to see warnings about it.
 382     googleapiclient_http_logger = logging.getLogger('googleapiclient.http')
 383     googleapiclient_http_logger.addFilter(arvados.logging.GoogleHTTPClientFilter())
 384     googleapiclient_http_logger.setLevel(logging.WARNING)
 385
 386     if arvargs.debug:
 387         logger.setLevel(logging.DEBUG)
 388         logging.getLogger('arvados').setLevel(logging.DEBUG)
 389         # In debug mode show logs about retries, but we arn't
 390         # debugging the google client so we don't need to see
 391         # everything.
 392         googleapiclient_http_logger.setLevel(logging.NOTSET)
 393         logging.getLogger('googleapiclient').setLevel(logging.INFO)
 394
 395     if arvargs.quiet:
 396         logger.setLevel(logging.WARN)
 397         logging.getLogger('arvados').setLevel(logging.WARN)
 398         logging.getLogger('arvados.arv-run').setLevel(logging.WARN)
 399
 400     if arvargs.metrics:
 401         metrics.setLevel(logging.DEBUG)
 402         logging.getLogger("cwltool.metrics").setLevel(logging.DEBUG)
 403
 404     if arvargs.log_timestamps:
 405         arvados.log_handler.setFormatter(logging.Formatter(
 406             '%(asctime)s %(name)s %(levelname)s: %(message)s',
 407             '%Y-%m-%d %H:%M:%S'))
 408     else:
 409         arvados.log_handler.setFormatter(logging.Formatter('%(name)s %(levelname)s: %(message)s'))
 410
 411     if stdout is sys.stdout:
 412         # cwltool.main has code to work around encoding issues with
 413         # sys.stdout and unix pipes (they default to ASCII encoding,
 414         # we want utf-8), so when stdout is sys.stdout set it to None
 415         # to take advantage of that.  Don't override it for all cases
 416         # since we still want to be able to capture stdout for the
 417         # unit tests.
 418         stdout = None
 419
 420     executor.loadingContext.default_docker_image = arvargs.submit_runner_image or "arvados/jobs:"+__version__
 421
 422     if arvargs.workflow.startswith("arvwf:") or workflow_uuid_pattern.match(arvargs.workflow) or arvargs.workflow.startswith("keep:"):
 423         executor.loadingContext.do_validate = False
 424         if arvargs.submit and not workflow_op:
 425             executor.fast_submit = True
 426
 427     return cwltool.main.main(args=arvargs,
 428                              stdout=stdout,
 429                              stderr=stderr,
 430                              executor=executor.arv_executor,
 431                              versionfunc=versionstring,
 432                              job_order_object=job_order_object,
 433                              logger_handler=arvados.log_handler,
 434                              custom_schema_callback=add_arv_hints,
 435                              loadingContext=executor.loadingContext,
 436                              runtimeContext=executor.toplevel_runtimeContext,
 437                              input_required=not workflow_op)