2 # Copyright (C) The Arvados Authors. All rights reserved.
4 # SPDX-License-Identifier: Apache-2.0
6 # Implement cwl-runner interface for submitting and running work on Arvados, using
7 # the Crunch containers API.
9 from future.utils import viewitems
10 from builtins import str
17 import pkg_resources # part of setuptools
19 from schema_salad.sourceline import SourceLine
20 import schema_salad.validate as validate
22 import cwltool.workflow
23 import cwltool.process
24 import cwltool.argparser
25 from cwltool.errors import WorkflowException
26 from cwltool.process import shortname, UnsupportedRequirement, use_custom_schema
27 from cwltool.utils import adjustFileObjs, adjustDirObjs, get_listing
31 from arvados.keep import KeepClient
32 from arvados.errors import ApiError
33 import arvados.commands._util as arv_cmd
34 from arvados.api import OrderedJsonModel
36 from .perf import Perf
37 from ._version import __version__
38 from .executor import ArvCwlExecutor
39 from .fsaccess import workflow_uuid_pattern
41 # These aren't used directly in this file but
42 # other code expects to import them from here
43 from .arvcontainer import ArvadosContainer
44 from .arvtool import ArvadosCommandTool
45 from .fsaccess import CollectionFsAccess, CollectionCache, CollectionFetcher
46 from .util import get_current_container
47 from .executor import RuntimeStatusLoggingHandler, DEFAULT_PRIORITY
48 from .arvworkflow import ArvadosWorkflow
50 logger = logging.getLogger('arvados.cwl-runner')
51 metrics = logging.getLogger('arvados.cwl-runner.metrics')
52 logger.setLevel(logging.INFO)
54 arvados.log_handler.setFormatter(logging.Formatter(
55 '%(asctime)s %(name)s %(levelname)s: %(message)s',
59 """Print version string of key packages for provenance and debugging."""
61 arvcwlpkg = pkg_resources.require("arvados-cwl-runner")
62 arvpkg = pkg_resources.require("arvados-python-client")
63 cwlpkg = pkg_resources.require("cwltool")
65 return "%s %s, %s %s, %s %s" % (sys.argv[0], arvcwlpkg[0].version,
66 "arvados-python-client", arvpkg[0].version,
67 "cwltool", cwlpkg[0].version)
70 def arg_parser(): # type: () -> argparse.ArgumentParser
71 parser = argparse.ArgumentParser(description='Arvados executor for Common Workflow Language')
73 parser.add_argument("--basedir",
74 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).")
75 parser.add_argument("--outdir", default=os.path.abspath('.'),
76 help="Output directory, default current directory")
78 parser.add_argument("--eval-timeout",
79 help="Time to wait for a Javascript expression to evaluate before giving an error, default 20s.",
83 exgroup = parser.add_mutually_exclusive_group()
84 exgroup.add_argument("--print-dot", action="store_true",
85 help="Print workflow visualization in graphviz format and exit")
86 exgroup.add_argument("--version", action="version", help="Print version and exit", version=versionstring())
87 exgroup.add_argument("--validate", action="store_true", help="Validate CWL document only.")
89 exgroup = parser.add_mutually_exclusive_group()
90 exgroup.add_argument("--verbose", action="store_true", help="Default logging")
91 exgroup.add_argument("--quiet", action="store_true", help="Only print warnings and errors.")
92 exgroup.add_argument("--debug", action="store_true", help="Print even more logging")
94 parser.add_argument("--metrics", action="store_true", help="Print timing metrics")
96 parser.add_argument("--tool-help", action="store_true", help="Print command line help for tool")
98 exgroup = parser.add_mutually_exclusive_group()
99 exgroup.add_argument("--enable-reuse", action="store_true",
100 default=True, dest="enable_reuse",
101 help="Enable container reuse (default)")
102 exgroup.add_argument("--disable-reuse", action="store_false",
103 default=True, dest="enable_reuse",
104 help="Disable container reuse")
106 parser.add_argument("--project-uuid", metavar="UUID", help="Project that will own the workflow containers, if not provided, will go to home project.")
107 parser.add_argument("--output-name", help="Name to use for collection that stores the final output.", default=None)
108 parser.add_argument("--output-tags", help="Tags for the final output collection separated by commas, e.g., '--output-tags tag0,tag1,tag2'.", default=None)
109 parser.add_argument("--ignore-docker-for-reuse", action="store_true",
110 help="Ignore Docker image version when deciding whether to reuse past containers.",
113 exgroup = parser.add_mutually_exclusive_group()
114 exgroup.add_argument("--submit", action="store_true", help="Submit workflow to run on Arvados.",
115 default=True, dest="submit")
116 exgroup.add_argument("--local", action="store_false", help="Run workflow on local host (submits containers to Arvados).",
117 default=True, dest="submit")
118 exgroup.add_argument("--create-template", action="store_true", help="(Deprecated) synonym for --create-workflow.",
119 dest="create_workflow")
120 exgroup.add_argument("--create-workflow", action="store_true", help="Register an Arvados workflow that can be run from Workbench")
121 exgroup.add_argument("--update-workflow", metavar="UUID", help="Update an existing Arvados workflow with the given UUID.")
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")
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")
135 parser.add_argument("--api",
136 default=None, dest="work_api",
137 choices=("containers",),
138 help="Select work submission API. Only supports 'containers'")
140 parser.add_argument("--compute-checksum", action="store_true", default=False,
141 help="Compute checksum of contents while collecting outputs",
142 dest="compute_checksum")
144 parser.add_argument("--submit-runner-ram", type=int,
145 help="RAM (in MiB) required for the workflow runner job (default 1024)",
148 parser.add_argument("--submit-runner-image",
149 help="Docker image for workflow runner job, default arvados/jobs:%s" % __version__,
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",
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.")
160 exgroup = parser.add_mutually_exclusive_group()
161 exgroup.add_argument("--submit-request-uuid",
163 help="Update and commit to supplied container request instead of creating a new one.",
165 exgroup.add_argument("--submit-runner-cluster",
166 help="Submit workflow runner to a remote cluster",
168 metavar="CLUSTER_ID")
170 parser.add_argument("--collection-cache-size", type=int,
172 help="Collection cache size (in MiB, default 256).")
174 parser.add_argument("--name",
175 help="Name to use for workflow execution instance.",
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"))
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.")
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).",
195 parser.add_argument("--priority", type=int,
196 help="Workflow priority (range 1..1000, higher has precedence over lower)",
197 default=DEFAULT_PRIORITY)
199 parser.add_argument("--disable-validate", dest="do_validate",
200 action="store_false", default=True,
201 help=argparse.SUPPRESS)
203 parser.add_argument("--disable-git", dest="git_info",
204 action="store_false", default=True,
205 help=argparse.SUPPRESS)
207 parser.add_argument("--disable-color", dest="enable_color",
208 action="store_false", default=True,
209 help=argparse.SUPPRESS)
211 parser.add_argument("--disable-js-validation",
212 action="store_true", default=False,
213 help=argparse.SUPPRESS)
215 parser.add_argument("--fast-parser", dest="fast_parser",
216 action="store_true", default=False,
217 help=argparse.SUPPRESS)
219 parser.add_argument("--thread-count", type=int,
220 default=0, help="Number of threads to use for job submit and output collection.")
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).")
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.")
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.")
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).")
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.")
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.")
245 help="Skip loading of schemas",
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).")
258 parser.add_argument("workflow", default=None, help="The workflow to execute")
259 parser.add_argument("job_order", nargs=argparse.REMAINDER, help="The input object to the workflow.")
264 cwltool.command_line_tool.ACCEPTLIST_EN_RELAXED_RE = re.compile(r".*")
265 cwltool.command_line_tool.ACCEPTLIST_RE = cwltool.command_line_tool.ACCEPTLIST_EN_RELAXED_RE
266 supported_versions = ["v1.0", "v1.1", "v1.2"]
267 for s in supported_versions:
268 res = pkg_resources.resource_stream(__name__, 'arv-cwl-schema-%s.yml' % s)
269 customschema = res.read().decode('utf-8')
270 use_custom_schema(s, "http://arvados.org/cwl", customschema)
272 cwltool.process.supportedProcessRequirements.extend([
273 "http://arvados.org/cwl#RunInSingleContainer",
274 "http://arvados.org/cwl#OutputDirType",
275 "http://arvados.org/cwl#RuntimeConstraints",
276 "http://arvados.org/cwl#PartitionRequirement",
277 "http://arvados.org/cwl#APIRequirement",
278 "http://commonwl.org/cwltool#LoadListingRequirement",
279 "http://arvados.org/cwl#IntermediateOutput",
280 "http://arvados.org/cwl#ReuseRequirement",
281 "http://arvados.org/cwl#ClusterTarget",
282 "http://arvados.org/cwl#OutputStorageClass",
283 "http://arvados.org/cwl#ProcessProperties",
284 "http://commonwl.org/cwltool#CUDARequirement",
285 "http://arvados.org/cwl#UsePreemptible",
286 "http://arvados.org/cwl#OutputCollectionProperties",
287 "http://arvados.org/cwl#KeepCacheTypeRequirement",
288 "http://arvados.org/cwl#OutOfMemoryRetry",
291 def exit_signal_handler(sigcode, frame):
292 logger.error(str(u"Caught signal {}, exiting.").format(sigcode))
295 def main(args=sys.argv[1:],
300 install_sig_handlers=True):
301 parser = arg_parser()
303 job_order_object = None
304 arvargs = parser.parse_args(args)
306 arvargs.use_container = True
307 arvargs.relax_path_checks = True
308 arvargs.print_supported_versions = False
310 if install_sig_handlers:
311 arv_cmd.install_signal_handlers()
313 if arvargs.update_workflow:
314 if arvargs.update_workflow.find('-7fd4e-') == 5:
315 want_api = 'containers'
318 if want_api and arvargs.work_api and want_api != arvargs.work_api:
319 logger.error(str(u'--update-workflow arg {!r} uses {!r} API, but --api={!r} specified').format(
320 arvargs.update_workflow, want_api, arvargs.work_api))
322 arvargs.work_api = want_api
324 if (arvargs.create_workflow or arvargs.update_workflow) and not arvargs.job_order:
325 job_order_object = ({}, "")
329 for key, val in viewitems(cwltool.argparser.get_default_args()):
330 if not hasattr(arvargs, key):
331 setattr(arvargs, key, val)
334 if api_client is None:
335 api_client = arvados.safeapi.ThreadSafeApiCache(
336 api_params={"model": OrderedJsonModel(), "timeout": arvargs.http_timeout},
337 keep_params={"num_retries": 4},
340 keep_client = api_client.keep
341 # Make an API object now so errors are reported early.
342 api_client.users().current().execute()
343 if keep_client is None:
344 block_cache = arvados.keep.KeepBlockCache(disk_cache=True)
345 keep_client = arvados.keep.KeepClient(api_client=api_client, num_retries=4, block_cache=block_cache)
346 executor = ArvCwlExecutor(api_client, arvargs, keep_client=keep_client, num_retries=4, stdout=stdout)
347 except WorkflowException as e:
348 logger.error(e, exc_info=(sys.exc_info()[1] if arvargs.debug else False))
351 logger.exception("Error creating the Arvados CWL Executor")
354 # Note that unless in debug mode, some stack traces related to user
355 # workflow errors may be suppressed.
357 # Set the logging on most modules INFO (instead of default which is WARNING)
358 logger.setLevel(logging.INFO)
359 logging.getLogger('arvados').setLevel(logging.INFO)
360 logging.getLogger('arvados.keep').setLevel(logging.WARNING)
363 logger.setLevel(logging.DEBUG)
364 logging.getLogger('arvados').setLevel(logging.DEBUG)
367 logger.setLevel(logging.WARN)
368 logging.getLogger('arvados').setLevel(logging.WARN)
369 logging.getLogger('arvados.arv-run').setLevel(logging.WARN)
372 metrics.setLevel(logging.DEBUG)
373 logging.getLogger("cwltool.metrics").setLevel(logging.DEBUG)
375 if arvargs.log_timestamps:
376 arvados.log_handler.setFormatter(logging.Formatter(
377 '%(asctime)s %(name)s %(levelname)s: %(message)s',
378 '%Y-%m-%d %H:%M:%S'))
380 arvados.log_handler.setFormatter(logging.Formatter('%(name)s %(levelname)s: %(message)s'))
382 if stdout is sys.stdout:
383 # cwltool.main has code to work around encoding issues with
384 # sys.stdout and unix pipes (they default to ASCII encoding,
385 # we want utf-8), so when stdout is sys.stdout set it to None
386 # to take advantage of that. Don't override it for all cases
387 # since we still want to be able to capture stdout for the
391 if arvargs.workflow.startswith("arvwf:") or workflow_uuid_pattern.match(arvargs.workflow) or arvargs.workflow.startswith("keep:"):
392 executor.loadingContext.do_validate = False
394 executor.fast_submit = True
396 return cwltool.main.main(args=arvargs,
399 executor=executor.arv_executor,
400 versionfunc=versionstring,
401 job_order_object=job_order_object,
402 logger_handler=arvados.log_handler,
403 custom_schema_callback=add_arv_hints,
404 loadingContext=executor.loadingContext,
405 runtimeContext=executor.toplevel_runtimeContext,
406 input_required=not (arvargs.create_workflow or arvargs.update_workflow))