zulip/scripts/lib/supervisor.py

59 lines
1.8 KiB
Python

import socket
from http.client import HTTPConnection
from typing import Dict, List, Optional, Tuple, Union
from xmlrpc import client
class UnixStreamHTTPConnection(HTTPConnection):
def connect(self) -> None:
self.sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
self.sock.connect(self.host)
class UnixStreamTransport(client.Transport, object):
def __init__(self, socket_path: str) -> None:
self.socket_path = socket_path
super(UnixStreamTransport, self).__init__()
def make_connection(
self, host: Union[Tuple[str, Dict[str, str]], str]
) -> UnixStreamHTTPConnection:
return UnixStreamHTTPConnection(self.socket_path)
def rpc() -> client.ServerProxy:
return client.ServerProxy(
"http://localhost", transport=UnixStreamTransport("/var/run/supervisor.sock")
)
def list_supervisor_processes(
filter_names: Optional[List[str]] = None, *, only_running: Optional[bool] = None
) -> List[str]:
results = []
processes = rpc().supervisor.getAllProcessInfo()
assert isinstance(processes, list)
for process in processes:
if process["group"] != process["name"]:
name = f"{process['group']}:{process['name']}"
else:
name = process["name"]
if filter_names:
match = False
for filter_name in filter_names:
if filter_name.endswith(":*") and name.startswith(filter_name[:-1]):
match = True
break
if name == filter_name:
match = True
break
if not match:
continue
if only_running is None:
results.append(name)
elif only_running == (process["statename"] == "RUNNING"):
results.append(name)
return results