def _yyoom(self, arglist, on_completed=None):
if not on_completed:
on_completed = lambda data, errored: None
if not sh.isdir(self._logs_dir):
sh.mkdirslist(self._logs_dir)
with tempfile.NamedTemporaryFile(suffix=".json") as fh:
cmdline = [
self.yyoom_executable,
"--output-file", fh.name,
"--verbose",
]
cmdline.extend(arglist)
log_filename = sh.joinpths(self._logs_dir,
_generate_log_filename(arglist))
LOG.debug("Running yyoom: log output will be placed in %s",
log_filename)
try:
sh.execute_save_output(cmdline, log_filename)
except excp.ProcessExecutionError:
with excp.reraise():
try:
fh.seek(0)
data = utils.parse_json(fh.read())
except Exception:
LOG.exception("Failed to parse YYOOM output")
else:
on_completed(data, True)
else:
fh.seek(0)
data = utils.parse_json(fh.read())
on_completed(data, False)
return data
def _yyoom(self, arglist, on_completed=None):
if not on_completed:
on_completed = lambda data, errored: None
if not sh.isdir(self._logs_dir):
sh.mkdirslist(self._logs_dir)
with tempfile.NamedTemporaryFile(suffix=".json") as fh:
cmdline = [
self.yyoom_executable,
"--output-file",
fh.name,
"--verbose",
]
cmdline.extend(arglist)
log_filename = sh.joinpths(self._logs_dir,
_generate_log_filename(arglist))
LOG.debug("Running yyoom: log output will be placed in %s",
log_filename)
try:
sh.execute_save_output(cmdline, log_filename)
except excp.ProcessExecutionError:
with excp.reraise():
try:
fh.seek(0)
data = utils.parse_json(fh.read())
except Exception:
LOG.exception("Failed to parse YYOOM output")
else:
on_completed(data, True)
else:
fh.seek(0)
data = utils.parse_json(fh.read())
on_completed(data, False)
return data
def execute_save_output(cmd, file_name, **kwargs):
"""Helper method to execute a command through subprocess and save stdout
and stderr into a file.
"""
kwargs = kwargs.copy()
mkdirslist(dirname(file_name))
try:
with open(file_name, 'wb') as fh:
return execute(cmd, stdout_fh=fh, stderr_fh=fh, **kwargs)
except excp.ProcessExecutionError:
with excp.reraise():
try:
with open(file_name, 'rb') as fh:
lines = collections.deque(fh,
maxlen=_TRUNCATED_OUTPUT_LINES)
content = "".join(lines)
except IOError:
pass
else:
LOG.debug('Last lines from %s:\n%s', file_name, content)
def execute_save_output(cmd, file_name, **kwargs):
"""Helper method to execute a command through subprocess and save stdout
and stderr into a file.
"""
kwargs = kwargs.copy()
mkdirslist(dirname(file_name))
try:
with open(file_name, 'wb') as fh:
return execute(cmd, stdout_fh=fh, stderr_fh=fh, **kwargs)
except excp.ProcessExecutionError:
with excp.reraise():
try:
with open(file_name, 'rb') as fh:
lines = collections.deque(fh,
maxlen=_TRUNCATED_OUTPUT_LINES)
content = "".join(lines)
except IOError:
pass
else:
LOG.debug('Last lines from %s:\n%s', file_name, content)
def activate():
try:
failure()
except Exception:
with exc.reraise():
buff.append(1)
def activate():
try:
failure()
except Exception:
with exc.reraise():
raise RuntimeError("Really broken")
