зеркало из https://github.com/microsoft/statsd.git
92 строки
2.6 KiB
Python
92 строки
2.6 KiB
Python
# python_example.py
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# Steve Ivy <steveivy@gmail.com>
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# http://monkinetic.com
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# this file expects local_settings.py to be in the same dir, with statsd host and port information:
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#
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# statsd_host = 'localhost'
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# statsd_port = 8125
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# Sends statistics to the stats daemon over UDP
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class Statsd(object):
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@staticmethod
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def timing(stat, time, sample_rate=1):
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"""
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Log timing information
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>>> from python_example import Statsd
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>>> Statsd.timing('some.time', 500)
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"""
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stats = {}
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stats[stat] = "%d|ms" % time
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Statsd.send(stats, sample_rate)
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@staticmethod
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def increment(stats, sample_rate=1):
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"""
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Increments one or more stats counters
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>>> Statsd.increment('some.int')
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>>> Statsd.increment('some.int',0.5)
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"""
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Statsd.update_stats(stats, 1, sample_rate)
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@staticmethod
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def decrement(stats, sample_rate=1):
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"""
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Decrements one or more stats counters
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>>> Statsd.decrement('some.int')
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"""
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Statsd.update_stats(stats, -1, sample_rate)
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@staticmethod
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def update_stats(stats, delta=1, sampleRate=1):
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"""
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Updates one or more stats counters by arbitrary amounts
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>>> Statsd.update_stats('some.int',10)
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"""
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if (type(stats) is not list):
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stats = [stats]
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data = {}
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for stat in stats:
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data[stat] = "%s|c" % delta
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Statsd.send(data, sampleRate)
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@staticmethod
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def send(data, sample_rate=1):
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"""
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Squirt the metrics over UDP
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"""
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try:
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import local_settings as settings
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host = settings.statsd_host
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port = settings.statsd_port
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addr=(host, port)
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except:
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exit(1)
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sampled_data = {}
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if(sample_rate < 1):
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import random
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if random.random() <= sample_rate:
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for stat in data.keys():
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value = data[stat]
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sampled_data[stat] = "%s|@%s" %(value, sample_rate)
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else:
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sampled_data=data
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from socket import *
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udp_sock = socket(AF_INET, SOCK_DGRAM)
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try:
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for stat in sampled_data.keys():
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value = sampled_data[stat]
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send_data = "%s:%s" % (stat, value)
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udp_sock.sendto(send_data, addr)
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except:
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import sys
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from pprint import pprint
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print "Unexpected error:", pprint(sys.exc_info())
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pass # we don't care
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