#!/usr/bin/env python3 # Copyright (C) The Arvados Authors. All rights reserved. # # SPDX-License-Identifier: Apache-2.0 # Implement cwl-runner interface for submitting and running work on Arvados, using # the Crunch containers API. from future.utils import viewitems from builtins import str import argparse import logging import os import sys import re import pkg_resources # part of setuptools from schema_salad.sourceline import SourceLine import schema_salad.validate as validate import cwltool.main import cwltool.workflow import cwltool.process import cwltool.argparser from cwltool.errors import WorkflowException from cwltool.process import shortname, UnsupportedRequirement, use_custom_schema from cwltool.utils import adjustFileObjs, adjustDirObjs, get_listing import arvados import arvados.config from arvados.keep import KeepClient from arvados.errors import ApiError import arvados.commands._util as arv_cmd from arvados.api import OrderedJsonModel from .perf import Perf from ._version import __version__ from .executor import ArvCwlExecutor # These aren't used directly in this file but # other code expects to import them from here from .arvcontainer import ArvadosContainer from .arvtool import ArvadosCommandTool from .fsaccess import CollectionFsAccess, CollectionCache, CollectionFetcher from .util import get_current_container from .executor import RuntimeStatusLoggingHandler, DEFAULT_PRIORITY from .arvworkflow import ArvadosWorkflow logger = logging.getLogger('arvados.cwl-runner') metrics = logging.getLogger('arvados.cwl-runner.metrics') logger.setLevel(logging.INFO) arvados.log_handler.setFormatter(logging.Formatter( '%(asctime)s %(name)s %(levelname)s: %(message)s', '%Y-%m-%d %H:%M:%S')) def versionstring(): """Print version string of key packages for provenance and debugging.""" arvcwlpkg = pkg_resources.require("arvados-cwl-runner") arvpkg = pkg_resources.require("arvados-python-client") cwlpkg = pkg_resources.require("cwltool") return "%s %s, %s %s, %s %s" % (sys.argv[0], arvcwlpkg[0].version, "arvados-python-client", arvpkg[0].version, "cwltool", cwlpkg[0].version) def arg_parser(): # type: () -> argparse.ArgumentParser parser = argparse.ArgumentParser(description='Arvados executor for Common Workflow Language') parser.add_argument("--basedir", 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).") parser.add_argument("--outdir", default=os.path.abspath('.'), help="Output directory, default current directory") parser.add_argument("--eval-timeout", help="Time to wait for a Javascript expression to evaluate before giving an error, default 20s.", type=float, default=20) exgroup = parser.add_mutually_exclusive_group() exgroup.add_argument("--print-dot", action="store_true", help="Print workflow visualization in graphviz format and exit") exgroup.add_argument("--version", action="version", help="Print version and exit", version=versionstring()) exgroup.add_argument("--validate", action="store_true", help="Validate CWL document only.") exgroup = parser.add_mutually_exclusive_group() exgroup.add_argument("--verbose", action="store_true", help="Default logging") exgroup.add_argument("--quiet", action="store_true", help="Only print warnings and errors.") exgroup.add_argument("--debug", action="store_true", help="Print even more logging") parser.add_argument("--metrics", action="store_true", help="Print timing metrics") parser.add_argument("--tool-help", action="store_true", help="Print command line help for tool") exgroup = parser.add_mutually_exclusive_group() exgroup.add_argument("--enable-reuse", action="store_true", default=True, dest="enable_reuse", help="Enable container reuse (default)") exgroup.add_argument("--disable-reuse", action="store_false", default=True, dest="enable_reuse", help="Disable container reuse") parser.add_argument("--project-uuid", metavar="UUID", help="Project that will own the workflow containers, if not provided, will go to home project.") parser.add_argument("--output-name", help="Name to use for collection that stores the final output.", default=None) parser.add_argument("--output-tags", help="Tags for the final output collection separated by commas, e.g., '--output-tags tag0,tag1,tag2'.", default=None) parser.add_argument("--ignore-docker-for-reuse", action="store_true", help="Ignore Docker image version when deciding whether to reuse past containers.", default=False) exgroup = parser.add_mutually_exclusive_group() exgroup.add_argument("--submit", action="store_true", help="Submit workflow to run on Arvados.", default=True, dest="submit") exgroup.add_argument("--local", action="store_false", help="Run workflow on local host (submits containers to Arvados).", default=True, dest="submit") exgroup.add_argument("--create-template", action="store_true", help="(Deprecated) synonym for --create-workflow.", dest="create_workflow") exgroup.add_argument("--create-workflow", action="store_true", help="Register an Arvados workflow that can be run from Workbench") exgroup.add_argument("--update-workflow", metavar="UUID", help="Update an existing Arvados workflow with the given UUID.") exgroup = parser.add_mutually_exclusive_group() exgroup.add_argument("--wait", action="store_true", help="After submitting workflow runner, wait for completion.", default=True, dest="wait") exgroup.add_argument("--no-wait", action="store_false", help="Submit workflow runner and exit.", default=True, dest="wait") exgroup = parser.add_mutually_exclusive_group() exgroup.add_argument("--log-timestamps", action="store_true", help="Prefix logging lines with timestamp", default=True, dest="log_timestamps") exgroup.add_argument("--no-log-timestamps", action="store_false", help="No timestamp on logging lines", default=True, dest="log_timestamps") parser.add_argument("--api", default=None, dest="work_api", choices=("containers",), help="Select work submission API. Only supports 'containers'") parser.add_argument("--compute-checksum", action="store_true", default=False, help="Compute checksum of contents while collecting outputs", dest="compute_checksum") parser.add_argument("--submit-runner-ram", type=int, help="RAM (in MiB) required for the workflow runner job (default 1024)", default=None) parser.add_argument("--submit-runner-image", help="Docker image for workflow runner job, default arvados/jobs:%s" % __version__, default=None) parser.add_argument("--always-submit-runner", action="store_true", help="When invoked with --submit --wait, always submit a runner to manage the workflow, even when only running a single CommandLineTool", default=False) parser.add_argument("--match-submitter-images", action="store_true", default=False, dest="match_local_docker", help="Where Arvados has more than one Docker image of the same name, use image from the Docker instance on the submitting node.") exgroup = parser.add_mutually_exclusive_group() exgroup.add_argument("--submit-request-uuid", default=None, help="Update and commit to supplied container request instead of creating a new one.", metavar="UUID") exgroup.add_argument("--submit-runner-cluster", help="Submit workflow runner to a remote cluster", default=None, metavar="CLUSTER_ID") parser.add_argument("--collection-cache-size", type=int, default=None, help="Collection cache size (in MiB, default 256).") parser.add_argument("--name", help="Name to use for workflow execution instance.", default=None) parser.add_argument("--on-error", help="Desired workflow behavior when a step fails. One of 'stop' (do not submit any more steps) or " "'continue' (may submit other steps that are not downstream from the error). Default is 'continue'.", default="continue", choices=("stop", "continue")) parser.add_argument("--enable-dev", action="store_true", help="Enable loading and running development versions " "of the CWL standards.", default=False) parser.add_argument('--storage-classes', default="default", help="Specify comma separated list of storage classes to be used when saving final workflow output to Keep.") parser.add_argument('--intermediate-storage-classes', default="default", help="Specify comma separated list of storage classes to be used when saving intermediate workflow output to Keep.") parser.add_argument("--intermediate-output-ttl", type=int, metavar="N", help="If N > 0, intermediate output collections will be trashed N seconds after creation. Default is 0 (don't trash).", default=0) parser.add_argument("--priority", type=int, help="Workflow priority (range 1..1000, higher has precedence over lower)", default=DEFAULT_PRIORITY) parser.add_argument("--disable-validate", dest="do_validate", action="store_false", default=True, help=argparse.SUPPRESS) parser.add_argument("--disable-color", dest="enable_color", action="store_false", default=True, help=argparse.SUPPRESS) parser.add_argument("--disable-js-validation", action="store_true", default=False, help=argparse.SUPPRESS) parser.add_argument("--thread-count", type=int, default=0, help="Number of threads to use for job submit and output collection.") parser.add_argument("--http-timeout", type=int, default=5*60, dest="http_timeout", help="API request timeout in seconds. Default is 300 seconds (5 minutes).") exgroup = parser.add_mutually_exclusive_group() exgroup.add_argument("--enable-preemptible", dest="enable_preemptible", default=None, action="store_true", help="Use preemptible instances. Control individual steps with arv:UsePreemptible hint.") exgroup.add_argument("--disable-preemptible", dest="enable_preemptible", default=None, action="store_false", help="Don't use preemptible instances.") exgroup = parser.add_mutually_exclusive_group() exgroup.add_argument("--copy-deps", dest="copy_deps", default=None, action="store_true", help="Copy dependencies into the destination project.") exgroup.add_argument("--no-copy-deps", dest="copy_deps", default=None, action="store_false", help="Leave dependencies where they are.") parser.add_argument( "--skip-schemas", action="store_true", help="Skip loading of schemas", default=False, dest="skip_schemas", ) exgroup = parser.add_mutually_exclusive_group() exgroup.add_argument("--trash-intermediate", action="store_true", default=False, dest="trash_intermediate", help="Immediately trash intermediate outputs on workflow success.") exgroup.add_argument("--no-trash-intermediate", action="store_false", default=False, dest="trash_intermediate", help="Do not trash intermediate outputs (default).") parser.add_argument("workflow", default=None, help="The workflow to execute") parser.add_argument("job_order", nargs=argparse.REMAINDER, help="The input object to the workflow.") return parser def add_arv_hints(): cwltool.command_line_tool.ACCEPTLIST_EN_RELAXED_RE = re.compile(r".*") cwltool.command_line_tool.ACCEPTLIST_RE = cwltool.command_line_tool.ACCEPTLIST_EN_RELAXED_RE supported_versions = ["v1.0", "v1.1", "v1.2"] for s in supported_versions: res = pkg_resources.resource_stream(__name__, 'arv-cwl-schema-%s.yml' % s) customschema = res.read().decode('utf-8') use_custom_schema(s, "http://arvados.org/cwl", customschema) res.close() cwltool.process.supportedProcessRequirements.extend([ "http://arvados.org/cwl#RunInSingleContainer", "http://arvados.org/cwl#OutputDirType", "http://arvados.org/cwl#RuntimeConstraints", "http://arvados.org/cwl#PartitionRequirement", "http://arvados.org/cwl#APIRequirement", "http://commonwl.org/cwltool#LoadListingRequirement", "http://arvados.org/cwl#IntermediateOutput", "http://arvados.org/cwl#ReuseRequirement", "http://arvados.org/cwl#ClusterTarget", "http://arvados.org/cwl#OutputStorageClass", "http://arvados.org/cwl#ProcessProperties", "http://commonwl.org/cwltool#CUDARequirement", "http://arvados.org/cwl#UsePreemptible", "http://arvados.org/cwl#OutputCollectionProperties", ]) def exit_signal_handler(sigcode, frame): logger.error(str(u"Caught signal {}, exiting.").format(sigcode)) sys.exit(-sigcode) def main(args=sys.argv[1:], stdout=sys.stdout, stderr=sys.stderr, api_client=None, keep_client=None, install_sig_handlers=True): parser = arg_parser() job_order_object = None arvargs = parser.parse_args(args) arvargs.use_container = True arvargs.relax_path_checks = True arvargs.print_supported_versions = False if install_sig_handlers: arv_cmd.install_signal_handlers() if arvargs.update_workflow: if arvargs.update_workflow.find('-7fd4e-') == 5: want_api = 'containers' else: want_api = None if want_api and arvargs.work_api and want_api != arvargs.work_api: logger.error(str(u'--update-workflow arg {!r} uses {!r} API, but --api={!r} specified').format( arvargs.update_workflow, want_api, arvargs.work_api)) return 1 arvargs.work_api = want_api if (arvargs.create_workflow or arvargs.update_workflow) and not arvargs.job_order: job_order_object = ({}, "") add_arv_hints() for key, val in viewitems(cwltool.argparser.get_default_args()): if not hasattr(arvargs, key): setattr(arvargs, key, val) try: if api_client is None: api_client = arvados.safeapi.ThreadSafeApiCache( api_params={"model": OrderedJsonModel(), "timeout": arvargs.http_timeout}, keep_params={"num_retries": 4}) keep_client = api_client.keep # Make an API object now so errors are reported early. api_client.users().current().execute() if keep_client is None: keep_client = arvados.keep.KeepClient(api_client=api_client, num_retries=4) executor = ArvCwlExecutor(api_client, arvargs, keep_client=keep_client, num_retries=4, stdout=stdout) except WorkflowException as e: logger.error(e, exc_info=(sys.exc_info()[1] if arvargs.debug else False)) return 1 except Exception: logger.exception("Error creating the Arvados CWL Executor") return 1 # Note that unless in debug mode, some stack traces related to user # workflow errors may be suppressed. if arvargs.debug: logger.setLevel(logging.DEBUG) logging.getLogger('arvados').setLevel(logging.DEBUG) if arvargs.quiet: logger.setLevel(logging.WARN) logging.getLogger('arvados').setLevel(logging.WARN) logging.getLogger('arvados.arv-run').setLevel(logging.WARN) if arvargs.metrics: metrics.setLevel(logging.DEBUG) logging.getLogger("cwltool.metrics").setLevel(logging.DEBUG) if arvargs.log_timestamps: arvados.log_handler.setFormatter(logging.Formatter( '%(asctime)s %(name)s %(levelname)s: %(message)s', '%Y-%m-%d %H:%M:%S')) else: arvados.log_handler.setFormatter(logging.Formatter('%(name)s %(levelname)s: %(message)s')) if stdout is sys.stdout: # cwltool.main has code to work around encoding issues with # sys.stdout and unix pipes (they default to ASCII encoding, # we want utf-8), so when stdout is sys.stdout set it to None # to take advantage of that. Don't override it for all cases # since we still want to be able to capture stdout for the # unit tests. stdout = None return cwltool.main.main(args=arvargs, stdout=stdout, stderr=stderr, executor=executor.arv_executor, versionfunc=versionstring, job_order_object=job_order_object, logger_handler=arvados.log_handler, custom_schema_callback=add_arv_hints, loadingContext=executor.loadingContext, runtimeContext=executor.toplevel_runtimeContext, input_required=not (arvargs.create_workflow or arvargs.update_workflow))