分别检测下载速度,丢包率,ping。下载是顺序下载,丢包率,ping使用mtr进行检测,使用多线程。注意的是mtr运行在root用户下,用nrpe用户执行的话,需要配置sudo。
可以将rrd生成png文件。
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import urllib, urllib2
import os, sys, socket
import datetime, time
import json, re, subprocess
import pycurl, cStringIO
import threading
import rrdtool
from optparse import OptionParser
MTR = []
SPEED = []
def get_m3u8_info(type, ip):
params = urllib.urlencode({\'unit\': \'newusa\', \'channel\': \'CCTV1\', \'type\': type})
req = urllib2.urlopen(\'http://\' + ip + \'/approve/live?%s\' % params)
headers = req.info()
rawdata = req.read()
if (\'Content-Encoding\' in headers and headers[\'Content-Encoding\']) or (\'content-encoding\' in headers and headers[\'content-encoding\']):
import gzip
import StringIO
data = StringIO.StringIO(rawdata)
gz = gzip.GzipFile(fileobj=data)
rawdata = gz.read()
gz.close()
urls = []
for line in rawdata.split(\'\n\'):
m = re.match(\'^http.*ts$\', line)
if m:
urls.append(m.group(0))
return urls[0]
def get_ts_file(name, url):
buffer = cStringIO.StringIO()
curl = pycurl.Curl()
curl.setopt(pycurl.CONNECTTIMEOUT, 3)
curl.setopt(pycurl.TIMEOUT, 15)
curl.setopt(pycurl.NOSIGNAL, 1)
curl.setopt(pycurl.URL, url)
curl.setopt(pycurl.WRITEFUNCTION, buffer.write)
try:
curl.perform()
download_speed = curl.getinfo(pycurl.SPEED_DOWNLOAD)
SPEED.append((name, str(download_speed)))
buffer.close()
curl.close()
except Exception, e:
SPEED.append((name, \'U\'))
buffer.close()
curl.close()
class Quality(threading.Thread):
def __init__(self, name, ip, count):
threading.Thread.__init__(self)
self.name = name
self.ip = ip
self.count = count
def run(self):
try:
p = subprocess.Popen([\'/usr/sbin/mtr\', \'-n\', \'-c\', self.count, \'-r\', self.ip], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
output, error = p.communicate()
if output:
info = output.split(\'\n\')[-2]
m = re.match(\'\s+\S+\s+\S+\s+(\S+)%\s+\S+\s+\S+\s+(\S+).*\', info)
if m:
MTR.append((self.name, m.group(1), m.group(2)))
else:
MTR.append((self.name, \'U\', \'U\'))
if error:
print "ret> ", p.returncode
print "Error> error ", error.strip()
except OSError as e:
print "OSError > ", e.errno
print "OSError > ", e.strerror
print "OSError > ", e.filename
except:
print "Error > ", sys.exc_info()
def create_rrd(rrdfile, datasource):
dss = [ \'DS:%s:GAUGE:120:0:U\' % ds for ds in datasource.split(\',\') ]
rra = [
\'RRA:AVERAGE:0.5:1:1440\',
\'RRA:AVERAGE:0.5:15:672\',
\'RRA:AVERAGE:0.5:60:744\',
\'RRA:AVERAGE:0.5:1440:375\',
\'RRA:MIN:0.5:1:1440\',
\'RRA:MIN:0.5:15:672\',
\'RRA:MIN:0.5:60:744\',
\'RRA:MIN:0.5:1440:375\',
\'RRA:MAX:0.5:1:1440\',
\'RRA:MAX:0.5:15:672\',
\'RRA:MAX:0.5:60:744\',
\'RRA:MAX:0.5:1440:375\',
\'RRA:LAST:0.5:1:1440\',
\'RRA:LAST:0.5:15:672\',
\'RRA:LAST:0.5:60:744\',
\'RRA:LAST:0.5:1440:375\',
]
rrdtool.create(rrdfile, \'--step\', \'60\', \'--start\', \'-1y\', dss, rra)
def update_rrd(mode, datasource, timestamp):
if mode == \'download\':
rrd_file = \'download.rrd\'
if not os.path.exists(rrd_file):
create_rrd(rrd_file, datasource)
labels = []
downloads = []
for label, download in SPEED:
labels.append(label)
downloads.append(download)
rrdtool.update(rrd_file, \'--template\', \':\'.join(labels), \'N:\'+\':\'.join(downloads))
if mode == \'mtr\':
rrd_file_loss = \'loss.rrd\'
rrd_file_ping = \'ping.rrd\'
if not os.path.exists(rrd_file_loss):
create_rrd(rrd_file_loss, datasource)
if not os.path.exists(rrd_file_ping):
create_rrd(rrd_file_ping, datasource)
labels = []
losses = []
pings = []
for label, loss, ping in MTR:
labels.append(label)
losses.append(loss)
pings.append(ping)
rrdtool.update(rrd_file_loss, \'--template\', \':\'.join(labels), \'N:\'+\':\'.join(losses))
rrdtool.update(rrd_file_ping, \'--template\', \':\'.join(labels), \'N:\'+\':\'.join(pings))
def generate_graph_element(rrdfile, dss, unit):
colors = [\'#FFFF00\', \'#339933\', \'#FF6666\', \'#0066CC\', \'#FFFFFF\']
comment = \'COMMENT: \\n\'
defs = [ \'DEF:%s=%s:%s:AVERAGE\' % (ds, rrdfile, ds) for ds in dss.split(\',\') ]
vdefs_min = [ \'VDEF:%s_min=%s,MINIMUM\' % (ds, ds) for ds in dss.split(\',\') ]
vdefs_max = [ \'VDEF:%s_max=%s,MAXIMUM\' % (ds, ds) for ds in dss.split(\',\') ]
vdefs_avg = [ \'VDEF:%s_avg=%s,AVERAGE\' % (ds, ds) for ds in dss.split(\',\') ]
vdefs_last = [ \'VDEF:%s_last=%s,LAST\' % (ds, ds) for ds in dss.split(\',\') ]
vdefs = []
for vdef in zip(vdefs_min, vdefs_max, vdefs_avg, vdefs_last):
vdefs.extend(vdef)
lines = [ \'LINE1:%s%s:%s\' % (ds, colors[idx], ds) for idx, ds in enumerate(dss.split(\',\')) ]
gprints_min = [ \'GPRINT:%s_min:MIN\:%%7.2lf %%s%s\' % (ds, unit) for ds in dss.split(\',\') ]
gprints_max = [ \'GPRINT:%s_max:MAX\:%%7.2lf %%s%s\' % (ds, unit) for ds in dss.split(\',\') ]
gprints_avg = [ \'GPRINT:%s_avg:AVERAGE\:%%7.2lf %%s%s\' % (ds, unit) for ds in dss.split(\',\') ]
gprints_last = [ \'GPRINT:%s_last:LAST\:%%7.2lf %%s%s\' % (ds, unit) for ds in dss.split(\',\') ]
gprints = []
for gprint in zip(lines, gprints_min, gprints_max, gprints_avg, gprints_last):
gprints.extend(gprint)
gprints.append(comment)
return defs, vdefs, gprints
def graph_rrd(hostname, names, dss):
colors = [ \
\'-c\', \'SHADEA#000000\', \
\'-c\', \'SHADEB#111111\', \
\'-c\', \'FRAME#AAAAAA\', \
\'-c\', \'FONT#FFFFFF\', \
\'-c\', \'ARROW#FFFFFF\', \
\'-c\', \'AXIS#FFFFFF\', \
\'-c\', \'BACK#333333\', \
\'-c\', \'CANVAS#333333\', \
\'-c\', \'MGRID#CCCCCC\', \
]
xgrid = \'MINUTE:10:MINUTE:30:MINUTE:30:0:%H:%M\'
for name in names.split(\',\'):
if name == \'download\':
label = \'Bytes\'
title = \'link_%s on %s\' % (name, hostname)
rrdfile = name + \'.rrd\'
imgfile = name + \'.png\'
defs, vdefs, gprints = generate_graph_element(rrdfile, dss, \'B\')
rrdtool.graph(imgfile, \'-t\', title, \'-v\', label, \'-w\', \'520\', \'--start\', \'-3h\', \'--step\', \'60\', \'--x-grid\', xgrid, colors, defs, vdefs, gprints)
if name == \'loss\':
label = \'%\'
title = \'link_%s on %s\' % (name, hostname)
rrdfile = name + \'.rrd\'
imgfile = name + \'.png\'
defs, vdefs, gprints = generate_graph_element(rrdfile, dss, \'%%\')
rrdtool.graph(imgfile, \'-t\', title, \'-v\', label, \'-w\', \'520\', \'--start\', \'-3h\', \'--step\', \'60\', \'--x-grid\', xgrid, colors, defs, vdefs, gprints)
if name == \'ping\':
label = \'ms\'
title = \'link_%s on %s\' % (name, hostname)
rrdfile = name + \'.rrd\'
imgfile = name + \'.png\'
defs, vdefs, gprints = generate_graph_element(rrdfile, dss, \'ms\')
rrdtool.graph(imgfile, \'-t\', title, \'-v\', label, \'-w\', \'520\', \'--start\', \'-3h\', \'--step\', \'60\', \'--x-grid\', xgrid, colors, defs, vdefs, gprints)
if __name__ == \'__main__\':
usage = \'\'\'%prog [options] arg1 arg2
example:
. %prog --mode=download --name=wx-2-ct,wx-2-cu --ip=111.111.111.111,222.222.222.222 --type=iptv
. %prog --mode=mtr --name=wx-2-ct,wx-2-cu --ip=111.111.111.111,222.222.222.222 --count=50
. %prog --mode=graph --name=download,loss,ping --ds=wx-2-ct,wx-2-cu
\'\'\'
parser = OptionParser(usage)
parser.add_option(\'--mode\', action=\'store\', type=\'string\', dest=\'mode\', help=\'check mode\')
parser.add_option(\'--name\', action=\'store\', type=\'string\', dest=\'name\', help=\'name list of the network link\')
parser.add_option(\'--ip\', action=\'store\', type=\'string\', dest=\'ip\', help=\'ip address list of the network link\')
parser.add_option(\'--type\', action=\'store\', type=\'string\', dest=\'type\', help=\'data rate of the ts file\')
parser.add_option(\'--count\', action=\'store\', type=\'string\', dest=\'count\', help=\'send packets per second\')
parser.add_option(\'--ds\', action=\'store\', type=\'string\', dest=\'ds\', help=\'data source\')
(options, args) = parser.parse_args()
hostname = socket.gethostname()
timestamp = int(time.time())
if options.mode == \'download\':
links = zip(options.name.split(\',\'), options.ip.split(\',\'))
for link in links:
url = get_m3u8_info(options.type, link[1])
get_ts_file(link[0], url)
update_rrd(options.mode, options.name, timestamp)
if options.mode == \'mtr\':
links = zip(options.name.split(\',\'), options.ip.split(\',\'))
threads = []
for link in links:
threads.append(Quality(link[0], link[1], options.count))
for t in threads:
t.start()
for t in threads:
t.join()
update_rrd(options.mode, options.name, timestamp)
if options.mode == \'graph\':
graph_rrd(hostname, options.name, options.ds)
生成json数据 link_info.py
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import os, sys
import re, json
import datetime, time
import subprocess, socket
def unit_convert(data):
if data < 10**3:
return str(round(float(data), 2))
elif data > 10**3 and data < 10**6:
return str(round(float(data) / 10**3, 2)) + \'Kb\'
elif data > 10**6 and data < 10**9:
return str(round(float(data) / 10**6, 2)) + \'Mb\'
elif data > 10**9 and data < 10**12:
return str(round(float(data) / 10**9, 2)) + \'Gb\'
elif data > 10**12 and data < 10**15:
return str(round(float(data) / 10**12, 2)) + \'Tb\'
def get_traffic_info():
proc_stat = \'/proc/net/dev\'
traffic = []
with open(proc_stat, \'r\') as f:
for line in f:
m = re.match(\'\s*(\S+):\s*(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+\', line)
if m:
traffic.append((m.group(1), int(m.group(2)), int(m.group(10))))
return traffic
def get_connection_info():
command = \'netstat -n |grep ^tcp |wc -l\'
p = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
output, error = p.communicate()
return int(output)
def get_current_link_info():
hostfile = \'/etc/hosts\'
with open(hostfile, \'r\') as f:
for line in f:
m = re.match(\'(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\s+(\S+)\', line)
if m and m.group(2) == \'wx.service.live.tvmining.com\':
return m.group(1)
return \'unknown\'
def main():
counter = 2
first = get_traffic_info()
time.sleep(counter)
second = get_traffic_info()
traffic = map(lambda x, y: (x[0], unit_convert(abs(x[1]-y[1])*8.0/counter), unit_convert(abs(x[2]-y[2])*8.0/counter)), first, second)
for name, receive, transmit in traffic:
if name == \'p2p1\':
traffic_in, traffic_out = receive, transmit
connection = get_connection_info()
current_link = get_current_link_info()
message = {}
hostname = socket.gethostname()
message[hostname] = {
\'in\': traffic_in,
\'out\': traffic_out,
\'connection\': connection,
\'current_link\': current_link,
}
with open(\'link_info.json\', \'w\') as f:
json.dump(message, f)
if __name__ == \'__main__\':
main()
# --data--
{"la-1-219": {"connection": 10068, "out": "2.56Mb", "current_link": "221.228.74.36", "in": "147.18Mb"}}