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Source code for galaxy.jobs.runners

Base classes for job runner plugins.
import datetime
import logging
import os
import string
import subprocess
import threading
import time

from six.moves.queue import (

import galaxy.jobs
from galaxy import model
from galaxy.jobs.command_factory import build_command
from galaxy.jobs.output_checker import DETECTED_JOB_STATE
from galaxy.jobs.runners.util.env import env_to_statement
from galaxy.jobs.runners.util.job_script import (
from galaxy.util import (
from galaxy.util.bunch import Bunch
from galaxy.util.monitors import Monitors
from .state_handler_factory import build_state_handlers

log = logging.getLogger(__name__)

STOP_SIGNAL = object()

JOB_RUNNER_PARAMETER_UNKNOWN_MESSAGE = "Invalid job runner parameter for this plugin: %s"
JOB_RUNNER_PARAMETER_MAP_PROBLEM_MESSAGE = "Job runner parameter '%s' value '%s' could not be converted to the correct type"
JOB_RUNNER_PARAMETER_VALIDATION_FAILED_MESSAGE = "Job runner parameter %s failed validation"

GALAXY_VENV_TEMPLATE = """GALAXY_VIRTUAL_ENV="%s"; if [ "$GALAXY_VIRTUAL_ENV" != "None" -a -z "$VIRTUAL_ENV" -a -f "$GALAXY_VIRTUAL_ENV/bin/activate" ]; then . "$GALAXY_VIRTUAL_ENV/bin/activate"; fi;"""

[docs]class RunnerParams(ParamsWithSpecs): def _param_unknown_error(self, name): raise Exception(JOB_RUNNER_PARAMETER_UNKNOWN_MESSAGE % name) def _param_map_error(self, name, value): raise Exception(JOB_RUNNER_PARAMETER_MAP_PROBLEM_MESSAGE % (name, value)) def _param_vaildation_error(self, name, value): raise Exception(JOB_RUNNER_PARAMETER_VALIDATION_FAILED_MESSAGE % name)
[docs]class BaseJobRunner(object): DEFAULT_SPECS = dict(recheck_missing_job_retries=dict(map=int, valid=lambda x: int(x) >= 0, default=0))
[docs] def __init__(self, app, nworkers, **kwargs): """Start the job runner """ self.app = app self.redact_email_in_job_name = self.app.config.redact_email_in_job_name self.sa_session = app.model.context self.nworkers = nworkers runner_param_specs = self.DEFAULT_SPECS.copy() if 'runner_param_specs' in kwargs: runner_param_specs.update(kwargs.pop('runner_param_specs')) if kwargs: log.debug('Loading %s with params: %s', self.runner_name, kwargs) self.runner_params = RunnerParams(specs=runner_param_specs, params=kwargs) self.runner_state_handlers = build_state_handlers()
def _init_worker_threads(self): """Start ``nworkers`` worker threads. """ self.work_queue = Queue() self.work_threads = [] log.debug('Starting %s %s workers' % (self.nworkers, self.runner_name)) for i in range(self.nworkers): worker = threading.Thread(name="%s.work_thread-%d" % (self.runner_name, i), target=self.run_next) worker.setDaemon(True) self.app.application_stack.register_postfork_function(worker.start) self.work_threads.append(worker)
[docs] def run_next(self): """Run the next item in the work queue (a job waiting to run) """ while True: (method, arg) = self.work_queue.get() if method is STOP_SIGNAL: return # id and name are collected first so that the call of method() is the last exception. try: if isinstance(arg, AsynchronousJobState): job_id = arg.job_wrapper.get_id_tag() else: # arg should be a JobWrapper/TaskWrapper job_id = arg.get_id_tag() except Exception: job_id = 'unknown' try: name = method.__name__ except Exception: name = 'unknown' try: method(arg) except Exception: log.exception("(%s) Unhandled exception calling %s" % (job_id, name))
# Causes a runner's `queue_job` method to be called from a worker thread
[docs] def put(self, job_wrapper): """Add a job to the queue (by job identifier), indicate that the job is ready to run. """ put_timer = ExecutionTimer() job_wrapper.enqueue() self.mark_as_queued(job_wrapper) log.debug("Job [%s] queued %s" % (job_wrapper.job_id, put_timer))
[docs] def mark_as_queued(self, job_wrapper): self.work_queue.put((self.queue_job, job_wrapper))
[docs] def shutdown(self): """Attempts to gracefully shut down the worker threads """ log.info("%s: Sending stop signal to %s worker threads" % (self.runner_name, len(self.work_threads))) for i in range(len(self.work_threads)): self.work_queue.put((STOP_SIGNAL, None)) join_timeout = self.app.config.monitor_thread_join_timeout if join_timeout > 0: exception = None for thread in self.work_threads: try: thread.join(join_timeout) except Exception as e: exception = e log.exception("Faild to shutdown worker thread") if exception: raise exception
# Most runners should override the legacy URL handler methods and destination param method
[docs] def url_to_destination(self, url): """ Convert a legacy URL to a JobDestination. Job runner URLs are deprecated, JobDestinations should be used instead. This base class method converts from a URL to a very basic JobDestination without destination params. """ return galaxy.jobs.JobDestination(runner=url.split(':')[0])
[docs] def parse_destination_params(self, params): """Parse the JobDestination ``params`` dict and return the runner's native representation of those params. """ raise NotImplementedError()
[docs] def prepare_job(self, job_wrapper, include_metadata=False, include_work_dir_outputs=True, modify_command_for_container=True): """Some sanity checks that all runners' queue_job() methods are likely to want to do """ job_id = job_wrapper.get_id_tag() job_state = job_wrapper.get_state() job_wrapper.is_ready = False job_wrapper.runner_command_line = None # Make sure the job hasn't been deleted if job_state == model.Job.states.DELETED: log.debug("(%s) Job deleted by user before it entered the %s queue" % (job_id, self.runner_name)) if self.app.config.cleanup_job in ("always", "onsuccess"): job_wrapper.cleanup() return False elif job_state != model.Job.states.QUEUED: log.info("(%s) Job is in state %s, skipping execution" % (job_id, job_state)) # cleanup may not be safe in all states return False # Prepare the job try: job_wrapper.prepare() job_wrapper.runner_command_line = self.build_command_line( job_wrapper, include_metadata=include_metadata, include_work_dir_outputs=include_work_dir_outputs, modify_command_for_container=modify_command_for_container ) except Exception as e: log.exception("(%s) Failure preparing job" % job_id) job_wrapper.fail(e.message if hasattr(e, 'message') else "Job preparation failed", exception=True) return False if not job_wrapper.runner_command_line: job_wrapper.finish('', '') return False return True
# Runners must override the job handling methods
[docs] def queue_job(self, job_wrapper): raise NotImplementedError()
[docs] def stop_job(self, job): raise NotImplementedError()
[docs] def recover(self, job, job_wrapper): raise NotImplementedError()
[docs] def build_command_line(self, job_wrapper, include_metadata=False, include_work_dir_outputs=True, modify_command_for_container=True): container = self._find_container(job_wrapper) if not container and job_wrapper.requires_containerization: raise Exception("Failed to find a container when required, contact Galaxy admin.") return build_command( self, job_wrapper, include_metadata=include_metadata, include_work_dir_outputs=include_work_dir_outputs, modify_command_for_container=modify_command_for_container, container=container )
[docs] def get_work_dir_outputs(self, job_wrapper, job_working_directory=None, tool_working_directory=None): """ Returns list of pairs (source_file, destination) describing path to work_dir output file and ultimate destination. """ if tool_working_directory is not None and job_working_directory is not None: raise Exception("get_work_dir_outputs called with both a job and tool working directory, only one may be specified") if tool_working_directory is None: if not job_working_directory: job_working_directory = os.path.abspath(job_wrapper.working_directory) tool_working_directory = os.path.join(job_working_directory, "working") # Set up dict of dataset id --> output path; output path can be real or # false depending on outputs_to_working_directory output_paths = {} for dataset_path in job_wrapper.get_output_fnames(): path = dataset_path.real_path if self.app.config.outputs_to_working_directory: path = dataset_path.false_path output_paths[dataset_path.dataset_id] = path output_pairs = [] # Walk job's output associations to find and use from_work_dir attributes. job = job_wrapper.get_job() job_tool = job_wrapper.tool for (joda, dataset) in self._walk_dataset_outputs(job): if joda and job_tool: hda_tool_output = job_tool.find_output_def(joda.name) if hda_tool_output and hda_tool_output.from_work_dir: # Copy from working dir to HDA. # TODO: move instead of copy to save time? source_file = os.path.join(tool_working_directory, hda_tool_output.from_work_dir) destination = job_wrapper.get_output_destination(output_paths[dataset.dataset_id]) if in_directory(source_file, tool_working_directory): output_pairs.append((source_file, destination)) else: # Security violation. log.exception("from_work_dir specified a location not in the working directory: %s, %s", source_file, job_wrapper.working_directory) return output_pairs
def _walk_dataset_outputs(self, job): for dataset_assoc in job.output_datasets + job.output_library_datasets: for dataset in dataset_assoc.dataset.dataset.history_associations + dataset_assoc.dataset.dataset.library_associations: if isinstance(dataset, self.app.model.HistoryDatasetAssociation): joda = self.sa_session.query(self.app.model.JobToOutputDatasetAssociation).filter_by(job=job, dataset=dataset).first() yield (joda, dataset) # TODO: why is this not just something easy like: # for dataset_assoc in job.output_datasets + job.output_library_datasets: # yield (dataset_assoc, dataset_assoc.dataset) # I don't understand the reworking it backwards. -John def _handle_metadata_externally(self, job_wrapper, resolve_requirements=False): """ Set metadata externally. Used by the Pulsar job runner where this shouldn't be attached to command line to execute. """ # run the metadata setting script here # this is terminate-able when output dataset/job is deleted # so that long running set_meta()s can be canceled without having to reboot the server if job_wrapper.get_state() not in [model.Job.states.ERROR, model.Job.states.DELETED] and job_wrapper.output_paths: lib_adjust = GALAXY_LIB_ADJUST_TEMPLATE % job_wrapper.galaxy_lib_dir venv = GALAXY_VENV_TEMPLATE % job_wrapper.galaxy_virtual_env external_metadata_script = job_wrapper.setup_external_metadata(output_fnames=job_wrapper.get_output_fnames(), set_extension=True, tmp_dir=job_wrapper.working_directory, # We don't want to overwrite metadata that was copied over in init_meta(), as per established behavior kwds={'overwrite' : False}) external_metadata_script = "%s %s %s" % (lib_adjust, venv, external_metadata_script) if resolve_requirements: dependency_shell_commands = self.app.datatypes_registry.set_external_metadata_tool.build_dependency_shell_commands(job_directory=job_wrapper.working_directory) if dependency_shell_commands: if isinstance(dependency_shell_commands, list): dependency_shell_commands = "&&".join(dependency_shell_commands) external_metadata_script = "%s&&%s" % (dependency_shell_commands, external_metadata_script) log.debug('executing external set_meta script for job %d: %s' % (job_wrapper.job_id, external_metadata_script)) external_metadata_proc = subprocess.Popen(args=external_metadata_script, shell=True, cwd=job_wrapper.working_directory, env=os.environ, preexec_fn=os.setpgrp) job_wrapper.external_output_metadata.set_job_runner_external_pid(external_metadata_proc.pid, self.sa_session) external_metadata_proc.wait() log.debug('execution of external set_meta for job %d finished' % job_wrapper.job_id)
[docs] def get_job_file(self, job_wrapper, **kwds): job_metrics = job_wrapper.app.job_metrics job_instrumenter = job_metrics.job_instrumenters[job_wrapper.job_destination.id] env_setup_commands = kwds.get('env_setup_commands', []) env_setup_commands.append(job_wrapper.get_env_setup_clause() or '') destination = job_wrapper.job_destination or {} envs = destination.get("env", []) envs.extend(job_wrapper.environment_variables) for env in envs: env_setup_commands.append(env_to_statement(env)) command_line = job_wrapper.runner_command_line tmp_dir_creation_statement = job_wrapper.tmp_dir_creation_statement options = dict( tmp_dir_creation_statement=tmp_dir_creation_statement, job_instrumenter=job_instrumenter, galaxy_lib=job_wrapper.galaxy_lib_dir, galaxy_virtual_env=job_wrapper.galaxy_virtual_env, env_setup_commands=env_setup_commands, working_directory=os.path.abspath(job_wrapper.working_directory), command=command_line, shell=job_wrapper.shell, preserve_python_environment=job_wrapper.tool.requires_galaxy_python_environment, ) # Additional logging to enable if debugging from_work_dir handling, metadata # commands, etc... (or just peak in the job script.) job_id = job_wrapper.job_id log.debug('(%s) command is: %s' % (job_id, command_line)) options.update(**kwds) return job_script(**options)
[docs] def write_executable_script(self, path, contents, mode=0o755): write_script(path, contents, self.app.config, mode=mode)
def _find_container( self, job_wrapper, compute_working_directory=None, compute_tool_directory=None, compute_job_directory=None, compute_tmp_directory=None, ): job_directory_type = "galaxy" if compute_working_directory is None else "pulsar" if not compute_working_directory: compute_working_directory = job_wrapper.tool_working_directory if not compute_job_directory: compute_job_directory = job_wrapper.working_directory if not compute_tool_directory: compute_tool_directory = job_wrapper.tool.tool_dir if not compute_tmp_directory: compute_tmp_directory = job_wrapper.tmp_directory() tool = job_wrapper.tool from galaxy.tools.deps import containers tool_info = containers.ToolInfo(tool.containers, tool.requirements, tool.requires_galaxy_python_environment, tool.docker_env_pass_through) job_info = containers.JobInfo( compute_working_directory, compute_tool_directory, compute_job_directory, compute_tmp_directory, job_directory_type, ) destination_info = job_wrapper.job_destination.params return self.app.container_finder.find_container( tool_info, destination_info, job_info ) def _handle_runner_state(self, runner_state, job_state): try: for handler in self.runner_state_handlers.get(runner_state, []): handler(self.app, self, job_state) if job_state.runner_state_handled: break except Exception: log.exception('Caught exception in runner state handler')
[docs] def fail_job(self, job_state, exception=False): if getattr(job_state, 'stop_job', True): self.stop_job(self.sa_session.query(self.app.model.Job).get(job_state.job_wrapper.job_id)) self._handle_runner_state('failure', job_state) # Not convinced this is the best way to indicate this state, but # something necessary if not job_state.runner_state_handled: job_state.job_wrapper.fail(getattr(job_state, 'fail_message', 'Job failed'), exception=exception) if job_state.job_wrapper.cleanup_job == "always": job_state.cleanup()
[docs] def mark_as_resubmitted(self, job_state, info=None): job_state.job_wrapper.mark_as_resubmitted(info=info) if not self.app.config.track_jobs_in_database: job_state.job_wrapper.change_state(model.Job.states.QUEUED) self.app.job_manager.job_handler.dispatcher.put(job_state.job_wrapper)
def _finish_or_resubmit_job(self, job_state, stdout, stderr, exit_code): job = job_state.job_wrapper.get_job() check_output_detected_state = job_state.job_wrapper.check_tool_output(stdout, stderr, exit_code, job) # Flush with streams... self.sa_session.add(job) self.sa_session.flush() if check_output_detected_state != DETECTED_JOB_STATE.OK: job_runner_state = JobState.runner_states.TOOL_DETECT_ERROR if check_output_detected_state == DETECTED_JOB_STATE.OUT_OF_MEMORY_ERROR: job_runner_state = JobState.runner_states.MEMORY_LIMIT_REACHED job_state.runner_state = job_runner_state self._handle_runner_state('failure', job_state) # Was resubmitted or something - I think we are done with it. if job_state.runner_state_handled: return job_state.job_wrapper.finish(stdout, stderr, exit_code, check_output_detected_state=check_output_detected_state)
[docs]class JobState(object): """ Encapsulate state of jobs. """ runner_states = Bunch( WALLTIME_REACHED='walltime_reached', MEMORY_LIMIT_REACHED='memory_limit_reached', JOB_OUTPUT_NOT_RETURNED_FROM_CLUSTER='Job output not returned from cluster', UNKNOWN_ERROR='unknown_error', GLOBAL_WALLTIME_REACHED='global_walltime_reached', OUTPUT_SIZE_LIMIT='output_size_limit', TOOL_DETECT_ERROR='tool_detected', # job runner interaction worked fine but the tool indicated error )
[docs] def __init__(self, job_wrapper, job_destination): self.runner_state_handled = False self.job_wrapper = job_wrapper self.job_destination = job_destination self.redact_email_in_job_name = True if self.job_wrapper: self.redact_email_in_job_name = self.job_wrapper.app.config.redact_email_in_job_name self.cleanup_file_attributes = ['job_file', 'output_file', 'error_file', 'exit_code_file']
[docs] def set_defaults(self, files_dir): if self.job_wrapper is not None: id_tag = self.job_wrapper.get_id_tag() if files_dir is not None: self.job_file = JobState.default_job_file(files_dir, id_tag) self.output_file = os.path.join(files_dir, 'galaxy_%s.o' % id_tag) self.error_file = os.path.join(files_dir, 'galaxy_%s.e' % id_tag) self.exit_code_file = os.path.join(files_dir, 'galaxy_%s.ec' % id_tag) job_name = 'g%s' % id_tag if self.job_wrapper.tool.old_id: job_name += '_%s' % self.job_wrapper.tool.old_id if not self.redact_email_in_job_name and self.job_wrapper.user: job_name += '_%s' % self.job_wrapper.user self.job_name = ''.join(x if x in (string.ascii_letters + string.digits + '_') else '_' for x in job_name)
[docs] @staticmethod def default_job_file(files_dir, id_tag): return os.path.join(files_dir, 'galaxy_%s.sh' % id_tag)
[docs] @staticmethod def default_exit_code_file(files_dir, id_tag): return os.path.join(files_dir, 'galaxy_%s.ec' % id_tag)
[docs] def cleanup(self): for file in [getattr(self, a) for a in self.cleanup_file_attributes if hasattr(self, a)]: try: os.unlink(file) except Exception as e: # TODO: Move this prefix stuff to a method so we don't have dispatch on attributes we may or may # not have. if not hasattr(self, "job_id"): prefix = "(%s)" % self.job_wrapper.get_id_tag() else: prefix = "(%s/%s)" % (self.job_wrapper.get_id_tag(), self.job_id) log.debug("%s Unable to cleanup %s: %s" % (prefix, file, str(e)))
[docs]class AsynchronousJobState(JobState): """ Encapsulate the state of an asynchronous job, this should be subclassed as needed for various job runners to capture additional information needed to communicate with distributed resource manager. """
[docs] def __init__(self, files_dir=None, job_wrapper=None, job_id=None, job_file=None, output_file=None, error_file=None, exit_code_file=None, job_name=None, job_destination=None): super(AsynchronousJobState, self).__init__(job_wrapper, job_destination) self.old_state = None self._running = False self.check_count = 0 self.start_time = None # job_id is the DRM's job id, not the Galaxy job id self.job_id = job_id self.job_file = job_file self.output_file = output_file self.error_file = error_file self.exit_code_file = exit_code_file self.job_name = job_name self.set_defaults(files_dir)
@property def running(self): return self._running @running.setter def running(self, is_running): self._running = is_running # This will be invalid for job recovery if self.start_time is None: self.start_time = datetime.datetime.now()
[docs] def check_limits(self, runtime=None): limit_state = None if self.job_wrapper.has_limits(): self.check_count += 1 if self.running and (self.check_count % 20 == 0): if runtime is None: runtime = datetime.datetime.now() - (self.start_time or datetime.datetime.now()) self.check_count = 0 limit_state = self.job_wrapper.check_limits(runtime=runtime) if limit_state is not None: # Set up the job for failure, but the runner will do the actual work self.runner_state, self.fail_message = limit_state self.stop_job = True return True return False
[docs] def register_cleanup_file_attribute(self, attribute): if attribute not in self.cleanup_file_attributes: self.cleanup_file_attributes.append(attribute)
[docs]class AsynchronousJobRunner(BaseJobRunner, Monitors): """Parent class for any job runner that runs jobs asynchronously (e.g. via a distributed resource manager). Provides general methods for having a thread to monitor the state of asynchronous jobs and submitting those jobs to the correct methods (queue, finish, cleanup) at appropriate times.. """
[docs] def __init__(self, app, nworkers, **kwargs): super(AsynchronousJobRunner, self).__init__(app, nworkers, **kwargs) # 'watched' and 'queue' are both used to keep track of jobs to watch. # 'queue' is used to add new watched jobs, and can be called from # any thread (usually by the 'queue_job' method). 'watched' must only # be modified by the monitor thread, which will move items from 'queue' # to 'watched' and then manage the watched jobs. self.watched = [] self.monitor_queue = Queue()
def _init_monitor_thread(self): name = "%s.monitor_thread" % self.runner_name super(AsynchronousJobRunner, self)._init_monitor_thread(name=name, target=self.monitor, start=True, config=self.app.config)
[docs] def handle_stop(self): # DRMAA and SGE runners should override this and disconnect. pass
[docs] def monitor(self): """ Watches jobs currently in the monitor queue and deals with state changes (queued to running) and job completion. """ while True: # Take any new watched jobs and put them on the monitor list try: while True: async_job_state = self.monitor_queue.get_nowait() if async_job_state is STOP_SIGNAL: # TODO: This is where any cleanup would occur self.handle_stop() return self.watched.append(async_job_state) except Empty: pass # Iterate over the list of watched jobs and check state try: self.check_watched_items() except Exception: log.exception('Unhandled exception checking active jobs') # Sleep a bit before the next state check time.sleep(1)
[docs] def monitor_job(self, job_state): self.monitor_queue.put(job_state)
[docs] def shutdown(self): """Attempts to gracefully shut down the monitor thread""" log.info("%s: Sending stop signal to monitor thread" % self.runner_name) self.monitor_queue.put(STOP_SIGNAL) # Call the parent's shutdown method to stop workers self.shutdown_monitor() super(AsynchronousJobRunner, self).shutdown()
[docs] def check_watched_items(self): """ This method is responsible for iterating over self.watched and handling state changes and updating self.watched with a new list of watched job states. Subclasses can opt to override this directly (as older job runners will initially) or just override check_watched_item and allow the list processing to reuse the logic here. """ new_watched = [] for async_job_state in self.watched: new_async_job_state = self.check_watched_item(async_job_state) if new_async_job_state: new_watched.append(new_async_job_state) self.watched = new_watched
# Subclasses should implement this unless they override check_watched_items all together.
[docs] def check_watched_item(self, job_state): raise NotImplementedError()
[docs] def finish_job(self, job_state): """ Get the output/error for a finished job, pass to `job_wrapper.finish` and cleanup all the job's temporary files. """ galaxy_id_tag = job_state.job_wrapper.get_id_tag() external_job_id = job_state.job_id # To ensure that files below are readable, ownership must be reclaimed first job_state.job_wrapper.reclaim_ownership() # wait for the files to appear which_try = 0 collect_output_success = True while which_try < self.app.config.retry_job_output_collection + 1: try: with open(job_state.output_file, "rb") as stdout_file, open(job_state.error_file, 'rb') as stderr_file: stdout = shrink_stream_by_size(stdout_file, DATABASE_MAX_STRING_SIZE, join_by="\n..\n", left_larger=True, beginning_on_size_error=True) stderr = shrink_stream_by_size(stderr_file, DATABASE_MAX_STRING_SIZE, join_by="\n..\n", left_larger=True, beginning_on_size_error=True) break except Exception as e: if which_try == self.app.config.retry_job_output_collection: stdout = '' stderr = job_state.runner_states.JOB_OUTPUT_NOT_RETURNED_FROM_CLUSTER log.error('(%s/%s) %s: %s' % (galaxy_id_tag, external_job_id, stderr, str(e))) collect_output_success = False else: time.sleep(1) which_try += 1 if not collect_output_success: job_state.fail_message = stderr job_state.runner_state = job_state.runner_states.JOB_OUTPUT_NOT_RETURNED_FROM_CLUSTER self.mark_as_failed(job_state) return try: # This should be an 8-bit exit code, but read ahead anyway: exit_code_str = open(job_state.exit_code_file, "r").read(32) except Exception: # By default, the exit code is 0, which typically indicates success. exit_code_str = "0" try: # Decode the exit code. If it's bogus, then just use 0. exit_code = int(exit_code_str) except ValueError: log.warning("(%s/%s) Exit code '%s' invalid. Using 0." % (galaxy_id_tag, external_job_id, exit_code_str)) exit_code = 0 # clean up the job files cleanup_job = job_state.job_wrapper.cleanup_job if cleanup_job == "always" or (not stderr and cleanup_job == "onsuccess"): job_state.cleanup() try: self._finish_or_resubmit_job(job_state, stdout, stderr, exit_code) except Exception: log.exception("(%s/%s) Job wrapper finish method failed" % (galaxy_id_tag, external_job_id)) job_state.job_wrapper.fail("Unable to finish job", exception=True)
[docs] def mark_as_finished(self, job_state): self.work_queue.put((self.finish_job, job_state))
[docs] def mark_as_failed(self, job_state): self.work_queue.put((self.fail_job, job_state))