def _run_one(self, job_spec, force=False, cmd_args=None):
"""Run a single job.
:arg job_spec: job spec dict
:arg force: forces the job to run even if it's not time to run
:arg cmd_args: list of "--key=val" positional args as you would pass
them on a command line
"""
cmd_args = cmd_args or []
cmd = job_spec['cmd']
# Make sure we have a job record before trying to run anything
job = Job.objects.get_or_create(app_name=cmd)[0]
if force:
# If we're forcing the job, just run it without the bookkeeping.
return self._run_job(job_spec, *cmd_args)
# Figure out whether this job should be run now
seconds = convert_frequency(
job_spec.get('frequency', DEFAULT_FREQUENCY))
if not time_to_run(job_spec, job):
logger.info("skipping %s: not time to run", cmd)
return
logger.info('about to run %s', cmd)
now = timezone.now()
log_run = True
exc_type = exc_value = exc_tb = None
start_time = None
run_time = None
with self.lock_job(job_spec['cmd']):
try:
cmd_kwargs = {}
last_success = job.last_success
# Backfill jobs can have multiple run-times, so we iterate
# through all possible ones until either we get them all done
# or it dies
for run_time in get_run_times(job_spec, job.last_success):
if job_spec.get('backfill', False):
# If "backfill" is in the spec, then we want to pass in
# run_time as an argument
cmd_kwargs['run_time'] = format_datetime(run_time)
if job_spec.get('last_success', False):
# If "last_success" is in the spec, we want to pass in
# the last_success as an argument
cmd_kwargs['last_success'] = format_datetime(
last_success)
logger.info('running: %s %s %s', cmd, cmd_args, cmd_kwargs)
start_time = time.time()
self._run_job(job_spec, *cmd_args, **cmd_kwargs)
end_time = time.time()
logger.info('successfully ran %s on %s', cmd, run_time)
last_success = run_time
self._remember_success(cmd, last_success,
end_time - start_time)
except OngoingJobError:
log_run = False
raise
except Exception:
end_time = time.time()
exc_type, exc_value, exc_tb = sys.exc_info()
single_line_tb = (''.join(
traceback.format_exception(*sys.exc_info())).replace(
'\n', '\\n'))
logger.error('error when running %s (%s): %s', cmd, run_time,
single_line_tb)
self._remember_failure(cmd, end_time - start_time, exc_type,
exc_value, exc_tb)
finally:
if log_run:
self._log_run(cmd, seconds, job_spec.get('time'), run_time,
now, exc_type, exc_value, exc_tb)
def test_convert_frequency_error():
with pytest.raises(FrequencyDefinitionError):
convert_frequency('1t')
def _run_one(self, job_spec, force=False, cmd_args=None):
"""Run a single job.
:arg job_spec: job spec dict
:arg force: forces the job to run even if it's not time to run
:arg cmd_args: list of "--key=val" positional args as you would pass
them on a command line
"""
cmd_args = cmd_args or []
cmd = job_spec["cmd"]
# Make sure we have a job record before trying to run anything
job = Job.objects.get_or_create(app_name=cmd)[0]
if force:
# If we're forcing the job, just run it without the bookkeeping.
return self._run_job(job_spec, *cmd_args)
# Figure out whether this job should be run now
seconds = convert_frequency(
job_spec.get("frequency", DEFAULT_FREQUENCY))
if not time_to_run(job_spec, job):
logger.info("skipping %s: not time to run", cmd)
return
logger.info("about to run %s", cmd)
now = timezone.now()
start_time = None
run_time = None
with self.lock_job(job_spec["cmd"]):
try:
cmd_kwargs = {}
last_success = job.last_success
# Backfill jobs can have multiple run-times, so we iterate
# through all possible ones until either we get them all done
# or it dies
for run_time in get_run_times(job_spec, job.last_success):
if job_spec.get("backfill", False):
# If "backfill" is in the spec, then we want to pass in
# run_time as an argument
cmd_kwargs["run_time"] = format_datetime(run_time)
if job_spec.get("last_success", False):
# If "last_success" is in the spec, we want to pass in
# the last_success as an argument
cmd_kwargs["last_success"] = format_datetime(
last_success)
logger.info("running: %s %s %s", cmd, cmd_args, cmd_kwargs)
start_time = time.time()
self._run_job(job_spec, *cmd_args, **cmd_kwargs)
end_time = time.time()
logger.info("successfully ran %s on %s", cmd, run_time)
last_success = run_time
self._remember_success(cmd, last_success,
end_time - start_time)
# Log each backfill task as a successful completion so that if
# one of them fails, we start at the failure date rather than
# all the way back at the beginning.
self._log_run(
cmd,
seconds,
job_spec.get("time"),
run_time,
now,
)
except OngoingJobError:
# Catch and raise this so it doesn't get handled by the Exception
# handling
raise
except Exception:
end_time = time.time()
exc_type, exc_value, exc_tb = sys.exc_info()
single_line_tb = "".join(
traceback.format_exception(*sys.exc_info())).replace(
"\n", "\\n")
logger.error("error when running %s (%s): %s", cmd, run_time,
single_line_tb)
self._remember_failure(cmd, end_time - start_time, exc_type,
exc_value, exc_tb)
self._log_run(
cmd,
seconds,
job_spec.get("time"),
run_time,
now,
exc_type,
exc_value,
exc_tb,
)
def test_convert_frequency_good(freq, expected):
assert convert_frequency(freq) == expected
def _run_one(self, job_spec, force=False, cmd_args=None):
"""Run a single job.
:arg job_spec: job spec dict
:arg force: forces the job to run even if it's not time to run
:arg cmd_args: list of "--key=val" positional args as you would pass
them on a command line
"""
cmd_args = cmd_args or []
cmd = job_spec['cmd']
# Make sure we have a job record before trying to run anything
job = Job.objects.get_or_create(app_name=cmd)[0]
if force:
# If we're forcing the job, just run it without the bookkeeping.
return self._run_job(job_spec, *cmd_args)
# Figure out whether this job should be run now
seconds = convert_frequency(job_spec.get('frequency', DEFAULT_FREQUENCY))
if not time_to_run(job_spec, job):
logger.info("skipping %s: not time to run", cmd)
return
logger.info('about to run %s', cmd)
now = timezone.now()
log_run = True
exc_type = exc_value = exc_tb = None
start_time = None
run_time = None
with self.lock_job(job_spec['cmd']):
try:
cmd_kwargs = {}
last_success = job.last_success
# Backfill jobs can have multiple run-times, so we iterate
# through all possible ones until either we get them all done
# or it dies
for run_time in get_run_times(job_spec, job.last_success):
if job_spec.get('backfill', False):
# If "backfill" is in the spec, then we want to pass in
# run_time as an argument
cmd_kwargs['run_time'] = format_datetime(run_time)
if job_spec.get('last_success', False):
# If "last_success" is in the spec, we want to pass in
# the last_success as an argument
cmd_kwargs['last_success'] = format_datetime(last_success)
logger.info('running: %s %s %s', cmd, cmd_args, cmd_kwargs)
start_time = time.time()
self._run_job(job_spec, *cmd_args, **cmd_kwargs)
end_time = time.time()
logger.info('successfully ran %s on %s', cmd, run_time)
last_success = run_time
self._remember_success(cmd, last_success, end_time - start_time)
except OngoingJobError:
log_run = False
raise
except Exception:
end_time = time.time()
exc_type, exc_value, exc_tb = sys.exc_info()
single_line_tb = (
''.join(traceback.format_exception(*sys.exc_info()))
.replace('\n', '\\n')
)
# Send error to sentry, log it, and remember the failure
capture_error(settings.SENTRY_DSN)
logger.error('error when running %s (%s): %s', cmd, run_time, single_line_tb)
self._remember_failure(
cmd,
end_time - start_time,
exc_type,
exc_value,
exc_tb
)
finally:
if log_run:
self._log_run(
cmd,
seconds,
job_spec.get('time'),
run_time,
now,
exc_type, exc_value, exc_tb
)