munin-contrib/plugins/twemproxy/nutcracker_requests_

78 lines
1.6 KiB
Python
Executable File

#!/usr/bin/env python3
"""
=head1 NAME
nutcracker_requests_ - monitor twemproxy (aka: nutcracker)
=head1 CONFIGURATION
Config in /etc/munin/plugin-conf.d/nutcracker.conf:
[nutcracker_*]
env.NUTCRACKER_STATS_HOST 127.0.0.1
env.NUTCRACKER_STATS_PORT 22222
=head1 AUTHORS
Copyright 2013 Edgar Veiga <edgarmveiga@gmail.com>
=cut
"""
import json
import socket
import os
import sys
def get_stats():
data = ''
HOST = os.environ.get('NUTCRACKER_STATS_HOST', '127.0.0.1')
PORT = int(os.environ.get('NUTCRACKER_STATS_PORT', 22222))
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((HOST, PORT))
file = s.makefile('r')
data = file.readline()
s.close()
return json.loads(data)
def process_data():
data = get_stats()
# get pools
for key, value in data.items():
if isinstance(value, dict):
total = 0
# get server requests
for pool_key, pool_value in value.items():
if isinstance(pool_value, dict):
total += pool_value["requests"]
print("requests_" + key + ".value" + " " + str(total))
def process_config():
print("graph_title Nutcracker requests/s")
print("graph_category other")
print("graph_vlabel requests/s")
data = get_stats()
for key, value in data.items():
if isinstance(value, dict):
print("requests_" + key + ".label " + key)
print("requests_" + key + ".type COUNTER")
print("requests_" + key + ".min 0")
if __name__ == "__main__":
if len(sys.argv) > 1 and sys.argv[1] == "config":
process_config()
else:
process_data()