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#!/usr/bin/env python2
#
# present statistics from dabmux Stats Server
# to munin
import sys
import json
import zmq
import os
import re
config_top = """
"""
#default data type is GAUGE
config_template = """
multigraph buffers_{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:
multigraph over_underruns_{ident}
graph_title Contribution {ident} over/underruns
graph_order underruns overruns
graph_args --base 1000 --logarithmic
graph_vlabel number of underruns/overruns during last ${{graph_period}}
graph_category dabmux
graph_info This graph shows the number of under/overruns for the {ident} ZMQ input
underruns.info Number of underruns
underruns.label Number of underruns
underruns.min 0
underruns.warning 0:0
underruns.type COUNTER
overruns.info Number of overruns
overruns.label Number of overruns
overruns.min 0
overruns.warning 0:0
overruns.type COUNTER
multigraph audio_levels_{ident}
graph_title Contribution {ident} audio level (peak)
graph_order left right
graph_args --base 1000
graph_vlabel peak audio level during last ${{graph_period}}
graph_category encoders
graph_info This graph shows the audio level of both channels of the {ident} ZMQ input
left.info Left channel audio level
left.label Left channel audio level
left.min -90
left.max 0
left.warning -40:0
left.critical -80:0
right.info Right channel audio level
right.label Right channel audio level
right.min -90
right.max 0
right.warning -40:0
right.critical -80:0
multigraph state_{ident}
graph_title State of contribution {ident}
graph_order state
graph_args --base 1000 --lower-limit 0 --upper-limit 5
graph_vlabel Current state of the input
graph_category dabmux
graph_info This graph shows the state for the {ident} ZMQ input
state.info Input state
state.label 0 Unknown, 1 NoData, 2 Unstable, 3 Silent, 4 Streaming
state.warning 4:4
state.critical 2:4
"""
ctx = zmq.Context()
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 = zmq.Socket(ctx, zmq.REQ)
sock.connect("tcp://localhost:12720")
sock.send("info")
version = json.loads(sock.recv())
if not version['service'].startswith("ODR-DabMux"):
sys.stderr.write("Wrong version\n")
sys.exit(1)
return sock
re_state = re.compile(r"\w+ \((\d+)\)")
if len(sys.argv) == 1:
sock = connect()
sock.send("values")
values = json.loads(sock.recv())['values']
munin_values = ""
for ident in values:
v = values[ident]['inputstat']
munin_values += "multigraph buffers_{ident}\n".format(ident=ident.replace('-', '_'))
munin_values += "high.value {}\n".format(v['max_fill'])
munin_values += "low.value {}\n".format(v['min_fill'])
munin_values += "multigraph over_underruns_{ident}\n".format(ident=ident.replace('-', '_'))
munin_values += "underruns.value {}\n".format(v['num_underruns'])
munin_values += "overruns.value {}\n".format(v['num_overruns'])
munin_values += "multigraph audio_levels_{ident}\n".format(ident=ident.replace('-', '_'))
munin_values += "left.value {}\n".format(v['peak_left'])
munin_values += "right.value {}\n".format(v['peak_right'])
if 'state' in v:
# If ODR-DabMux is v1.3.1-3 or older, it doesn't export state
match = re_state.match(v['state'])
if match:
munin_values += "state.value {}\n".format(match.group(1))
else:
print("Cannot parse state '{}'".format(v['state']))
print(munin_values)
elif len(sys.argv) == 2 and sys.argv[1] == "config":
sock = connect()
sock.send("config")
config = json.loads(sock.recv())
munin_config = config_top
for conf in config['config']:
munin_config += config_template.format(ident=conf.replace('-', '_'))
print(munin_config)
else:
sys.exit(1)
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