unrhodecode/rhodecode/apps/admin/views/process_management.py
2025-01-13 17:47:37 +01:00

166 lines
5.5 KiB
Python

# Copyright (C) 2016-2024 RhodeCode GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see https://rhodecode.com/licenses/
import logging
import psutil
import signal
from rhodecode.apps._base import BaseAppView
from rhodecode.apps._base.navigation import navigation_list
from rhodecode.lib import system_info
from rhodecode.lib.auth import LoginRequired, HasPermissionAllDecorator, CSRFRequired
from rhodecode.lib.utils2 import safe_int, StrictAttributeDict
log = logging.getLogger(__name__)
class AdminProcessManagementView(BaseAppView):
def load_default_context(self):
c = self._get_local_tmpl_context()
return c
def _format_proc(self, proc, with_children=False):
try:
mem = proc.memory_info()
proc_formatted = StrictAttributeDict(
{
"pid": proc.pid,
"name": proc.name(),
"mem_rss": mem.rss,
"mem_vms": mem.vms,
"cpu_percent": proc.cpu_percent(interval=0.1),
"create_time": proc.create_time(),
"cmd": " ".join(proc.cmdline()),
}
)
if with_children:
proc_formatted.update({"children": [self._format_proc(x) for x in proc.children(recursive=True)]})
except Exception:
log.exception("Failed to load proc")
proc_formatted = None
return proc_formatted
def get_processes(self):
proc_list = []
for p in psutil.process_iter():
if "gunicorn" in p.name():
proc = self._format_proc(p, with_children=True)
if proc:
proc_list.append(proc)
return proc_list
def get_workers(self):
workers = None
try:
rc_config = system_info.rhodecode_config().value["config"]
workers = rc_config["server:main"].get("workers")
except Exception:
pass
return workers or "?"
@LoginRequired()
@HasPermissionAllDecorator("hg.admin")
def process_management(self):
_ = self.request.translate
c = self.load_default_context()
c.active = "process_management"
c.navlist = navigation_list(self.request)
c.gunicorn_processes = self.get_processes()
c.gunicorn_workers = self.get_workers()
return self._get_template_context(c)
@LoginRequired()
@HasPermissionAllDecorator("hg.admin")
def process_management_data(self):
_ = self.request.translate
c = self.load_default_context()
c.gunicorn_processes = self.get_processes()
return self._get_template_context(c)
@LoginRequired()
@HasPermissionAllDecorator("hg.admin")
@CSRFRequired()
def process_management_signal(self):
pids = self.request.json.get("pids", [])
result = []
def on_terminate(proc):
msg = "terminated"
result.append(msg)
procs = []
for pid in pids:
pid = safe_int(pid)
if pid:
try:
proc = psutil.Process(pid)
except psutil.NoSuchProcess:
continue
children = proc.children(recursive=True)
if children:
log.warning("Wont kill Master Process")
else:
procs.append(proc)
for p in procs:
try:
p.terminate()
except psutil.AccessDenied as e:
log.warning(f"Access denied: {e}")
gone, alive = psutil.wait_procs(procs, timeout=10, callback=on_terminate)
for p in alive:
try:
p.kill()
except psutil.AccessDenied as e:
log.warning(f"Access denied: {e}")
return {"result": result}
@LoginRequired()
@HasPermissionAllDecorator("hg.admin")
@CSRFRequired()
def process_management_master_signal(self):
pid_data = self.request.json.get("pid_data", {})
pid = safe_int(pid_data["pid"])
action = pid_data["action"]
if pid:
try:
proc = psutil.Process(pid)
except psutil.NoSuchProcess:
return {"result": "failure_no_such_process"}
children = proc.children(recursive=True)
if children:
# master process
if action == "+" and len(children) <= 20:
proc.send_signal(signal.SIGTTIN)
elif action == "-" and len(children) >= 2:
proc.send_signal(signal.SIGTTOU)
else:
return {"result": "failure_wrong_action"}
return {"result": "success"}
return {"result": "failure_not_master"}