def test_get_proc_comm(self, patch_read_file):
patch_read_file.read_file.return_value = fileutil.read_file(
os.path.join(data_dir, "cgroups", "dummy_proc_comm"))
proc_name = ProcessInfo.get_proc_name(1000)
self.assertEqual("python", proc_name)
patch_read_file.read_file.side_effect = raise_ioerror
# No such file exists; expect None instead.
with self.assertRaises(IOError):
ProcessInfo.get_proc_name(1000)
patch_read_file.read_file.side_effect = raise_exception
# Other exception; _get_proc_cmdline throws exception.
with self.assertRaises(ProcessInfoException):
ProcessInfo._get_proc_comm(1000) # pylint: disable=protected-access
def test_get_proc_cmdline(self, patch_read_file):
patch_read_file.read_file.return_value = fileutil.read_file(
os.path.join(data_dir, "cgroups", "dummy_proc_cmdline"))
cmdline = ProcessInfo.get_proc_cmdline(1000)
self.assertEqual(
"python -u bin/WALinuxAgent-2.2.45-py2.7.egg -run-exthandlers",
cmdline)
patch_read_file.read_file.side_effect = raise_ioerror
# No such file exists; _get_proc_cmdline throws exception.
with self.assertRaises(IOError):
ProcessInfo._get_proc_cmdline(1000) # pylint: disable=protected-access
patch_read_file.read_file.side_effect = raise_exception
# Other exception; _get_proc_cmdline throws exception.
with self.assertRaises(ProcessInfoException):
ProcessInfo._get_proc_cmdline(1000) # pylint: disable=protected-access
def get_process_info_summary(process_id):
process_cmdline = DEFAULT_PROCESS_COMMANDLINE
process_name = DEFAULT_PROCESS_NAME
# The ProcessName and ProcessCommandLine can generate Exception if the file /proc/<pid>/{comm,cmdline} cease to
# exist; eg: the process can die, or finish. Which is why we need Default Names, in case we fail to fetch the
# details from those files.
try:
process_cmdline = ProcessInfo.get_proc_cmdline(
process_id) if not None else DEFAULT_PROCESS_COMMANDLINE
except Exception as e: # pylint: disable=C0103
logger.periodic_info(EVERY_SIX_HOURS, "[PERIODIC] {0}", ustr(e))
try:
process_name = ProcessInfo.get_proc_name(
process_id) if not None else DEFAULT_PROCESS_NAME
except Exception as e: # pylint: disable=C0103
logger.periodic_info(EVERY_SIX_HOURS, "[PERIODIC] {0}", ustr(e))
return process_id + DELIM + process_name + DELIM + process_cmdline