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#!/usr/bin/env python2
#
# present statistics from dabmux Stats Server
# to munin
import sys
import json
import socket
import os
config_template_top = """
multigraph zmq_inbuf
"""
config_template_individual = """
multigraph zmq_inbuf.id_{ident}
graph_title Contribution {ident} buffer
graph_order high low
graph_args --base 1000
graph_vlabel max/min buffer size bytes during last ${{graph_period}}
graph_category dabmux
graph_info This graph shows the high and low buffer sizes for the {ident} ZMQ input
high.info Max buffer size
high.label Max Buffer Bytes
high.min 0
high.warning 1:
low.info Min buffer size
low.label Min Buffer Bytes
low.min 0
low.warning 1:
underruns.info Number of underruns
underruns.label Number of underruns
underruns.min 0
underruns.warning 0:0
overruns.info Number of overruns
overruns.label Number of overruns
overruns.min 0
overruns.warning 0:0
"""
if not os.environ.get("MUNIN_CAP_MULTIGRAPH"):
print("This needs munin version 1.4 at least")
sys.exit(1)
def connect():
"""Create a connection to the dabmux stats server
returns: the socket"""
sock = socket.socket()
sock.connect(("localhost", 12720))
version = json.loads(sock.recv(256))
if not version['service'].startswith("CRC-DabMux"):
sys.stderr.write("Wrong version\n")
sys.exit(1)
return sock
def get_id_from_uri(uri):
proto, _, port = uri.partition('://*:')
return "zmq_" + proto + "_" + port
if len(sys.argv) == 1:
sock = connect()
sock.send("values\n")
values = json.loads(sock.recv(256))['values']
munin_values = ""
for ident in values:
v = values[ident]['inputstat']
munin_values += "multigraph zmq_inbuf.id_{ident}\n".format(ident=get_id_from_uri(ident))
munin_values += "high.value {}\n".format(v['max_fill'])
munin_values += "low.value {}\n".format(v['min_fill'])
munin_values += "underruns.value {}\n".format(v['num_underruns'])
munin_values += "overruns.value {}\n".format(v['num_overruns'])
print(munin_values)
elif len(sys.argv) == 2 and sys.argv[1] == "config":
sock = connect()
sock.send("config\n")
config = json.loads(sock.recv(256))
munin_config = config_template_top.format(title="dabmux ZMQ input buffers")
for conf in config['config']:
munin_config += config_template_individual.format(ident=get_id_from_uri(conf))
print(munin_config)
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