Files
weave-scope/examples/plugins/volume-count/2-with-cleanup.py
2016-10-05 11:44:34 +01:00

57 lines
1.2 KiB
Python
Executable File

#!/usr/bin/env python
import BaseHTTPServer
import SocketServer
import errno
import os
import signal
import socket
PLUGIN_ID="prometheus"
PLUGIN_UNIX_SOCK = "/var/run/scope/plugins/" + PLUGIN_ID + ".sock"
class Handler(BaseHTTPServer.BaseHTTPRequestHandler):
def do_GET(self):
# The logger requires a client_address, but unix sockets don't have
# one, so we fake it.
self.client_address = "-"
# Send the headers
self.send_response(200)
self.end_headers()
# Send the body
self.wfile.write(b"foo")
def mkdir_p(path):
try:
os.makedirs(path)
except OSError as exc:
if exc.errno == errno.EEXIST and os.path.isdir(path):
pass
else:
raise
def delete_socket_file():
if os.path.exists(PLUGIN_UNIX_SOCK):
os.remove(PLUGIN_UNIX_SOCK)
def sig_handler(b, a):
delete_socket_file()
exit(0)
def main():
signal.signal(signal.SIGTERM, sig_handler)
signal.signal(signal.SIGINT, sig_handler)
mkdir_p(os.path.dirname(PLUGIN_UNIX_SOCK))
delete_socket_file()
server = SocketServer.UnixStreamServer(PLUGIN_UNIX_SOCK, Handler)
try:
server.serve_forever()
except:
delete_socket_file()
raise
main()