mirror of https://github.com/mongodb/mongo
61 lines
1.7 KiB
Python
61 lines
1.7 KiB
Python
"""Wrapper for the ProcessControl class."""
|
|
|
|
import logging
|
|
|
|
import psutil
|
|
|
|
LOGGER = logging.getLogger(__name__)
|
|
|
|
|
|
class ProcessControl(object):
|
|
"""Process control class.
|
|
|
|
Control processes by name. All matching by supplied name
|
|
pids are controlled.
|
|
"""
|
|
|
|
def __init__(self, name):
|
|
"""Provide 'name' to control the process."""
|
|
self.name = name
|
|
self.pids = []
|
|
self.procs = []
|
|
|
|
def get_pids(self):
|
|
"""Return list of process ids for process 'self.name'."""
|
|
self.pids = []
|
|
for proc in psutil.process_iter():
|
|
try:
|
|
if proc.name() == self.name:
|
|
self.pids.append(proc.pid)
|
|
except psutil.NoSuchProcess:
|
|
pass
|
|
return self.pids
|
|
|
|
def get_procs(self):
|
|
"""Return a list of 'proc' for the associated pids."""
|
|
procs = []
|
|
for pid in self.get_pids():
|
|
try:
|
|
procs.append(psutil.Process(pid))
|
|
except psutil.NoSuchProcess:
|
|
pass
|
|
return procs
|
|
|
|
def is_running(self):
|
|
"""Return true if any process is running that matches pids."""
|
|
for pid in self.get_pids():
|
|
if psutil.pid_exists(pid):
|
|
return True
|
|
return False
|
|
|
|
def kill(self):
|
|
"""Kill all running processes that match the list of pids."""
|
|
if self.is_running():
|
|
for proc in self.get_procs():
|
|
try:
|
|
proc.kill()
|
|
except psutil.NoSuchProcess:
|
|
LOGGER.info(
|
|
"Could not kill process with pid %d, as it no longer exists", proc.pid
|
|
)
|