def _run_step_on_spark(self, step, step_num):
if self._opts['upload_archives']:
log.warning('Spark master %r will probably ignore archives' %
self._spark_master())
step_args = self._args_for_spark_step(step_num)
env = dict(os.environ)
env.update(self._spark_cmdenv(step_num))
log.debug('> %s' % cmd_line(step_args))
log.debug(' with environment: %r' % sorted(env.items()))
def _log_line(line):
log.info(' %s' % to_unicode(line).strip('\r\n'))
# try to use a PTY if it's available
try:
pid, master_fd = pty.fork()
except (AttributeError, OSError):
# no PTYs, just use Popen
# user won't get much feedback for a while, so tell them
# spark-submit is running
log.debug('No PTY available, using Popen() to invoke spark-submit')
step_proc = Popen(step_args, stdout=PIPE, stderr=PIPE, env=env)
for line in step_proc.stderr:
for record in _parse_hadoop_log4j_records(
_yield_lines_from_pty_or_pipe(step_proc.stderr)):
_log_log4j_record(record)
# there shouldn't be much output on STDOUT
for line in step_proc.stdout:
_log_line_from_driver(line)
step_proc.stdout.close()
step_proc.stderr.close()
returncode = step_proc.wait()
else:
# we have PTYs
if pid == 0: # we are the child process
os.execvpe(step_args[0], step_args, env)
else:
log.debug('Invoking spark-submit via PTY')
with os.fdopen(master_fd, 'rb') as master:
for record in _parse_hadoop_log4j_records(
_yield_lines_from_pty_or_pipe(master)):
_log_log4j_record(record)
_, returncode = os.waitpid(pid, 0)
if returncode:
reason = str(CalledProcessError(returncode, step_args))
raise StepFailedException(reason=reason,
step_num=step_num,
num_steps=self._num_steps())
def _run_hadoop(self, hadoop_args, env, record_callback):
# try to use a PTY if it's available
try:
pid, master_fd = pty.fork()
except (AttributeError, OSError):
# no PTYs, just use Popen
# user won't get much feedback for a while, so tell them
# Hadoop is running
log.debug('No PTY available, using Popen() to invoke Hadoop')
step_proc = Popen(hadoop_args, stdout=PIPE, stderr=PIPE, env=env)
step_interpretation = _interpret_hadoop_jar_command_stderr(
step_proc.stderr,
record_callback=_log_record_from_hadoop)
# there shouldn't be much output to STDOUT
for line in step_proc.stdout:
_log_line_from_driver(to_unicode(line).strip('\r\n'))
step_proc.stdout.close()
step_proc.stderr.close()
returncode = step_proc.wait()
else:
# we have PTYs
if pid == 0: # we are the child process
try:
os.execvpe(hadoop_args[0], hadoop_args, env)
# now we are no longer Python
except OSError as ex:
# use _exit() so we don't do cleanup, etc. that's
# the parent process's job
os._exit(ex.errno)
finally:
# if we got some other exception, still exit hard
os._exit(-1)
else:
log.debug('Invoking Hadoop via PTY')
with os.fdopen(master_fd, 'rb') as master:
# reading from master gives us the subprocess's
# stderr and stdout (it's a fake terminal)
step_interpretation = (
_interpret_hadoop_jar_command_stderr(
_eio_to_eof(master),
record_callback=_log_record_from_hadoop))
_, returncode = os.waitpid(pid, 0)
return returncode, step_interpretation
def _run_job_in_hadoop(self):
for step_num, step in enumerate(self._get_steps()):
self._warn_about_spark_archives(step)
step_args = self._args_for_step(step_num)
env = _fix_env(self._env_for_step(step_num))
# log this *after* _args_for_step(), which can start a search
# for the Hadoop streaming jar
log.info('Running step %d of %d...' %
(step_num + 1, self._num_steps()))
log.debug('> %s' % cmd_line(step_args))
log.debug(' with environment: %r' % sorted(env.items()))
log_interpretation = {}
self._log_interpretations.append(log_interpretation)
# try to use a PTY if it's available
try:
pid, master_fd = pty.fork()
except (AttributeError, OSError):
# no PTYs, just use Popen
# user won't get much feedback for a while, so tell them
# Hadoop is running
log.debug('No PTY available, using Popen() to invoke Hadoop')
step_proc = Popen(step_args, stdout=PIPE, stderr=PIPE, env=env)
step_interpretation = _interpret_hadoop_jar_command_stderr(
step_proc.stderr, record_callback=_log_record_from_hadoop)
# there shouldn't be much output to STDOUT
for line in step_proc.stdout:
_log_line_from_driver(to_unicode(line).strip('\r\n'))
step_proc.stdout.close()
step_proc.stderr.close()
returncode = step_proc.wait()
else:
# we have PTYs
if pid == 0: # we are the child process
os.execvpe(step_args[0], step_args, env)
else:
log.debug('Invoking Hadoop via PTY')
with os.fdopen(master_fd, 'rb') as master:
# reading from master gives us the subprocess's
# stderr and stdout (it's a fake terminal)
step_interpretation = (
_interpret_hadoop_jar_command_stderr(
master,
record_callback=_log_record_from_hadoop))
_, returncode = os.waitpid(pid, 0)
# make sure output_dir is filled
if 'output_dir' not in step_interpretation:
step_interpretation['output_dir'] = (
self._step_output_uri(step_num))
log_interpretation['step'] = step_interpretation
self._log_counters(log_interpretation, step_num)
step_type = step['type']
if returncode:
error = self._pick_error(log_interpretation, step_type)
if error:
log.error('Probable cause of failure:\n\n%s\n' %
_format_error(error))
# use CalledProcessError's well-known message format
reason = str(CalledProcessError(returncode, step_args))
raise StepFailedException(reason=reason,
step_num=step_num,
num_steps=self._num_steps())
def _run_job_in_hadoop(self):
for step_num, step in enumerate(self._get_steps()):
self._warn_about_spark_archives(step)
step_args = self._args_for_step(step_num)
env = _fix_env(self._env_for_step(step_num))
# log this *after* _args_for_step(), which can start a search
# for the Hadoop streaming jar
log.info('Running step %d of %d...' %
(step_num + 1, self._num_steps()))
log.debug('> %s' % cmd_line(step_args))
log.debug(' with environment: %r' % sorted(env.items()))
log_interpretation = {}
self._log_interpretations.append(log_interpretation)
# try to use a PTY if it's available
try:
pid, master_fd = pty.fork()
except (AttributeError, OSError):
# no PTYs, just use Popen
# user won't get much feedback for a while, so tell them
# Hadoop is running
log.debug('No PTY available, using Popen() to invoke Hadoop')
step_proc = Popen(step_args, stdout=PIPE, stderr=PIPE, env=env)
step_interpretation = _interpret_hadoop_jar_command_stderr(
step_proc.stderr,
record_callback=_log_record_from_hadoop)
# there shouldn't be much output to STDOUT
for line in step_proc.stdout:
_log_line_from_driver(to_unicode(line).strip('\r\n'))
step_proc.stdout.close()
step_proc.stderr.close()
returncode = step_proc.wait()
else:
# we have PTYs
if pid == 0: # we are the child process
os.execvpe(step_args[0], step_args, env)
else:
log.debug('Invoking Hadoop via PTY')
with os.fdopen(master_fd, 'rb') as master:
# reading from master gives us the subprocess's
# stderr and stdout (it's a fake terminal)
step_interpretation = (
_interpret_hadoop_jar_command_stderr(
master,
record_callback=_log_record_from_hadoop))
_, returncode = os.waitpid(pid, 0)
# make sure output_dir is filled
if 'output_dir' not in step_interpretation:
step_interpretation['output_dir'] = (
self._step_output_uri(step_num))
log_interpretation['step'] = step_interpretation
self._log_counters(log_interpretation, step_num)
step_type = step['type']
if returncode:
error = self._pick_error(log_interpretation, step_type)
if error:
log.error('Probable cause of failure:\n\n%s\n' %
_format_error(error))
# use CalledProcessError's well-known message format
reason = str(CalledProcessError(returncode, step_args))
raise StepFailedException(
reason=reason, step_num=step_num,
num_steps=self._num_steps())